feat: add barcode scanner plugin (#536)

.changes/config.json

@@ -39,6 +39,7 @@
       "publish": false,
       "dependencies": [
         "app",
+        "barcode-scanner",
         "log-plugin",
         "cli",
         "clipboard-manager",
@@ -60,6 +61,7 @@
       "publish": false,
       "dependencies": [
         "app-js",
+        "barcode-scanner-js",
         "log-js",
         "cli-js",
         "clipboard-manager-js",
@@ -112,6 +114,15 @@
       "manager": "javascript"
     },
 
+    "barcode-scanner": {
+      "path": "./plugins/barcode-scanner",
+      "manager": "rust"
+    },
+    "barcode-scanner-js": {
+      "path": "./plugins/barcode-scanner",
+      "manager": "javascript"
+    },
+
     "cli": {
       "path": "./plugins/cli",
       "manager": "rust"

.changes/scanner-initial-release.md

@@ -0,0 +1,6 @@
+---
+"barcode-scanner": major
+"barcode-scanner-js": major
+---
+
+Initial release.

.prettierignore

@@ -6,4 +6,5 @@ pnpm-lock.yaml
 Cargo.lock
 .build
 build
-api-iife.js
+api-iife.js
+intermediates/

.scripts/ci/check-license-header.js

@@ -21,6 +21,7 @@ const ignore = [
   "dist-js",
   ".svelte-kit",
   "api-iife.js",
+  ".build",
 ];
 
 async function checkFile(file) {
@@ -70,7 +71,9 @@ async function checkFile(file) {
 async function check(src) {
   const missingHeader = [];
 
-  for (const entry of fs.readdirSync(src, { withFileTypes: true })) {
+  for (const entry of fs.readdirSync(src, {
+    withFileTypes: true,
+  })) {
     const p = path.join(src, entry.name);
 
     if (entry.isSymbolicLink() || ignore.includes(entry.name)) {

Cargo.lock

@@ -238,6 +238,7 @@ dependencies = [
  "tauri",
  "tauri-build",
  "tauri-plugin-app",
+ "tauri-plugin-barcode-scanner",
  "tauri-plugin-cli",
  "tauri-plugin-clipboard-manager",
  "tauri-plugin-dialog",
@@ -5678,6 +5679,18 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "tauri-plugin-barcode-scanner"
+version = "1.0.0"
+dependencies = [
+ "log",
+ "serde",
+ "serde_json",
+ "tauri",
+ "tauri-build",
+ "thiserror",
+]
+
 [[package]]
 name = "tauri-plugin-cli"
 version = "2.0.0-alpha.2"

examples/api/package.json

@@ -11,6 +11,7 @@
   "dependencies": {
     "@tauri-apps/api": "2.0.0-alpha.8",
     "@tauri-apps/plugin-app": "2.0.0-alpha.1",
+    "@tauri-apps/plugin-barcode-scanner": "1.0.0",
     "@tauri-apps/plugin-cli": "2.0.0-alpha.1",
     "@tauri-apps/plugin-clipboard-manager": "2.0.0-alpha.1",
     "@tauri-apps/plugin-dialog": "2.0.0-alpha.1",

examples/api/src-tauri/Cargo.toml

@@ -46,6 +46,9 @@ tauri-plugin-cli = { path = "../../../plugins/cli", version = "2.0.0-alpha.2" }
 tauri-plugin-global-shortcut = { path = "../../../plugins/global-shortcut", version = "2.0.0-alpha.2" }
 tauri-plugin-updater = { path = "../../../plugins/updater", version = "2.0.0-alpha.2" }
 
+[target."cfg(any(target_os = \"android\", target_os = \"ios\"))".dependencies]
+tauri-plugin-barcode-scanner = { path = "../../../plugins/barcode-scanner/", version = "1.0.0" }
+
 [target."cfg(target_os = \"windows\")".dependencies]
 window-shadows = "0.2"
 

examples/api/src-tauri/gen/android/app/src/main/res/values-night/themes.xml

@@ -1,16 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.api" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.api" parent="Theme.MaterialComponents.DayNight.NoActionBar">
-        <!-- Primary brand color. -->
-        <item name="colorPrimary">@color/purple_200</item>
-        <item name="colorPrimaryVariant">@color/purple_700</item>
-        <item name="colorOnPrimary">@color/black</item>
-        <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/teal_200</item>
-        <item name="colorSecondaryVariant">@color/teal_200</item>
-        <item name="colorOnSecondary">@color/black</item>
-        <!-- Status bar color. -->
-        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
 </resources>

examples/api/src-tauri/gen/android/app/src/main/res/values/themes.xml

@@ -1,16 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.api" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.api" parent="Theme.MaterialComponents.DayNight.NoActionBar">
-        <!-- Primary brand color. -->
-        <item name="colorPrimary">@color/purple_500</item>
-        <item name="colorPrimaryVariant">@color/purple_700</item>
-        <item name="colorOnPrimary">@color/white</item>
-        <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/teal_200</item>
-        <item name="colorSecondaryVariant">@color/teal_700</item>
-        <item name="colorOnSecondary">@color/black</item>
-        <!-- Status bar color. -->
-        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
 </resources>

examples/api/src-tauri/gen/android/buildSrc/src/main/java/com/tauri/api/kotlin/BuildTask.kt

@@ -16,7 +16,7 @@ open class BuildTask : DefaultTask() {
 
     @TaskAction
     fun assemble() {
-        val executable = """pnpm""";
+        val executable = """node""";
         try {
             runTauriCli(executable)
         } catch (e: Exception) {
@@ -32,7 +32,7 @@ open class BuildTask : DefaultTask() {
         val rootDirRel = rootDirRel ?: throw GradleException("rootDirRel cannot be null")
         val target = target ?: throw GradleException("target cannot be null")
         val release = release ?: throw GradleException("release cannot be null")
-        val args = listOf("tauri", "android", "android-studio-script");
+        val args = listOf("/Users/lucas/projects/tauri/plugins-workspace/examples/api/./node_modules/.bin/../../../../node_modules/.pnpm/@tauri-apps+cli@2.0.0-alpha.14/node_modules/@tauri-apps/cli/tauri.js", "android", "android-studio-script");
 
         project.exec {
             workingDir(File(project.projectDir, rootDirRel))

examples/api/src-tauri/gen/apple/.gitignore

@@ -0,0 +1,3 @@
+xcuserdata/
+build/
+Externals/

examples/api/src-tauri/gen/apple/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,116 @@
+{
+  "images": [
+    {
+      "size": "20x20",
+      "idiom": "iphone",
+      "filename": "AppIcon-20x20@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "20x20",
+      "idiom": "iphone",
+      "filename": "AppIcon-20x20@3x.png",
+      "scale": "3x"
+    },
+    {
+      "size": "29x29",
+      "idiom": "iphone",
+      "filename": "AppIcon-29x29@2x-1.png",
+      "scale": "2x"
+    },
+    {
+      "size": "29x29",
+      "idiom": "iphone",
+      "filename": "AppIcon-29x29@3x.png",
+      "scale": "3x"
+    },
+    {
+      "size": "40x40",
+      "idiom": "iphone",
+      "filename": "AppIcon-40x40@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "40x40",
+      "idiom": "iphone",
+      "filename": "AppIcon-40x40@3x.png",
+      "scale": "3x"
+    },
+    {
+      "size": "60x60",
+      "idiom": "iphone",
+      "filename": "AppIcon-60x60@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "60x60",
+      "idiom": "iphone",
+      "filename": "AppIcon-60x60@3x.png",
+      "scale": "3x"
+    },
+    {
+      "size": "20x20",
+      "idiom": "ipad",
+      "filename": "AppIcon-20x20@1x.png",
+      "scale": "1x"
+    },
+    {
+      "size": "20x20",
+      "idiom": "ipad",
+      "filename": "AppIcon-20x20@2x-1.png",
+      "scale": "2x"
+    },
+    {
+      "size": "29x29",
+      "idiom": "ipad",
+      "filename": "AppIcon-29x29@1x.png",
+      "scale": "1x"
+    },
+    {
+      "size": "29x29",
+      "idiom": "ipad",
+      "filename": "AppIcon-29x29@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "40x40",
+      "idiom": "ipad",
+      "filename": "AppIcon-40x40@1x.png",
+      "scale": "1x"
+    },
+    {
+      "size": "40x40",
+      "idiom": "ipad",
+      "filename": "AppIcon-40x40@2x-1.png",
+      "scale": "2x"
+    },
+    {
+      "size": "76x76",
+      "idiom": "ipad",
+      "filename": "AppIcon-76x76@1x.png",
+      "scale": "1x"
+    },
+    {
+      "size": "76x76",
+      "idiom": "ipad",
+      "filename": "AppIcon-76x76@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "83.5x83.5",
+      "idiom": "ipad",
+      "filename": "AppIcon-83.5x83.5@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "1024x1024",
+      "idiom": "ios-marketing",
+      "filename": "AppIcon-512@2x.png",
+      "scale": "1x"
+    }
+  ],
+  "info": {
+    "version": 1,
+    "author": "xcode"
+  }
+}

examples/api/src-tauri/gen/apple/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info": {
+    "version": 1,
+    "author": "xcode"
+  }
+}

examples/api/src-tauri/gen/apple/ExportOptions.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>method</key>
+    <string>development</string>
+</dict>
+</plist>

examples/api/src-tauri/gen/apple/Podfile

@@ -0,0 +1,21 @@
+# Uncomment the next line to define a global platform for your project
+
+target 'api_iOS' do
+platform :ios, '13.0'
+  # Pods for api_iOS
+end
+
+target 'api_macOS' do
+platform :osx, '11.0'
+  # Pods for api_macOS
+end
+
+# Delete the deployment target for iOS and macOS, causing it to be inherited from the Podfile
+post_install do |installer|
+ installer.pods_project.targets.each do |target|
+  target.build_configurations.each do |config|
+   config.build_settings.delete 'IPHONEOS_DEPLOYMENT_TARGET'
+   config.build_settings.delete 'MACOSX_DEPLOYMENT_TARGET'
+  end
+ end
+end

examples/api/src-tauri/gen/apple/Sources/api/bindings/bindings.h

@@ -0,0 +1,8 @@
+#pragma once
+
+namespace ffi {
+    extern "C" {
+        void start_app();
+    }
+}
+

examples/api/src-tauri/gen/apple/Sources/api/main.mm

@@ -0,0 +1,6 @@
+#include "bindings/bindings.h"
+
+int main(int argc, char * argv[]) {
+	ffi::start_app();
+	return 0;
+}

examples/api/src-tauri/gen/apple/api.xcodeproj/project.pbxproj

@@ -0,0 +1,462 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 51;
+	objects = {
+
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+		F86717F05E27C72C9FA1FB27 /* assets in Resources */ = {isa = PBXBuildFile; fileRef = 74A8FDFB350B966F5AAD4A24 /* assets */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXFileReference section */
+		0E96CE07CD20273DD46BF325 /* main.rs */ = {isa = PBXFileReference; path = main.rs; sourceTree = "<group>"; };
+		1C1AB1B414CA2795AFBEDDB9 /* tray.rs */ = {isa = PBXFileReference; path = tray.rs; sourceTree = "<group>"; };
+		2F63E2AA460089BB58D40C79 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist; path = Info.plist; sourceTree = "<group>"; };
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+		74A8FDFB350B966F5AAD4A24 /* assets */ = {isa = PBXFileReference; lastKnownFileType = folder; path = assets; sourceTree = SOURCE_ROOT; };
+		785D025E9542F7E098BF22B5 /* lib.rs */ = {isa = PBXFileReference; path = lib.rs; sourceTree = "<group>"; };
+		879941AE3DAA14534BBC6391 /* api_iOS.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = api_iOS.entitlements; sourceTree = "<group>"; };
+		90D3B673AFAB8D8AB561F616 /* main.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = main.mm; sourceTree = "<group>"; };
+		B6082E363D51372A7658C351 /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; };
+		DC377692DC31A070A0188C9D /* QuartzCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QuartzCore.framework; path = System/Library/Frameworks/QuartzCore.framework; sourceTree = SDKROOT; };
+		EC8C7948C50C3C9B5D96CB61 /* bindings.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = bindings.h; sourceTree = "<group>"; };
+		F835F52713CE8F029D5D252C /* cmd.rs */ = {isa = PBXFileReference; path = cmd.rs; sourceTree = "<group>"; };
+		FC53D4128D7F74E4E6338455 /* libapi.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libapi.a; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		11E18DCDB3ADFE87C18915EF /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				2ECFC1BC47D948875C8CEC41 /* libapi.a in Frameworks */,
+				3043432501C9BC2DB6B4CB95 /* CoreGraphics.framework in Frameworks */,
+				9AADB041D25772D04E543F15 /* Metal.framework in Frameworks */,
+				DFFF888045C8D9D9FB69E8FD /* MetalKit.framework in Frameworks */,
+				B60763BD194DFACA215EC7DA /* QuartzCore.framework in Frameworks */,
+				AFA0CA286325FD7A34968CA2 /* Security.framework in Frameworks */,
+				9DDA3BE70DD0E4013973FE38 /* UIKit.framework in Frameworks */,
+				C6D80743F168BDF017B7769E /* WebKit.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		0677CEAF1F282F38CBA0F140 = {
+			isa = PBXGroup;
+			children = (
+				74A8FDFB350B966F5AAD4A24 /* assets */,
+				6B7E79E23E646BA7968B457C /* Assets.xcassets */,
+				F2116A6428EED18BE2A07E2B /* api_iOS */,
+				86D903732E10FAC4D300E8DF /* Externals */,
+				7A9A7AC155D9E22E54D6D847 /* Sources */,
+				CF9AA87D2F6E9C389B7AB70B /* src */,
+				10C9FC3FA3E12D6A4A67999D /* Frameworks */,
+				4AC51E67B71E27F15B02C5CD /* Products */,
+			);
+			sourceTree = "<group>";
+		};
+		07051859D6E2D8109C8FB128 /* bindings */ = {
+			isa = PBXGroup;
+			children = (
+				EC8C7948C50C3C9B5D96CB61 /* bindings.h */,
+			);
+			path = bindings;
+			sourceTree = "<group>";
+		};
+		10C9FC3FA3E12D6A4A67999D /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				71EB788DE4662CFC0D97F567 /* CoreGraphics.framework */,
+				FC53D4128D7F74E4E6338455 /* libapi.a */,
+				62601E25FA39E62BE119B74D /* Metal.framework */,
+				338E66700FD330B99D434DD7 /* MetalKit.framework */,
+				DC377692DC31A070A0188C9D /* QuartzCore.framework */,
+				384966E551417F94A02D2706 /* Security.framework */,
+				B6082E363D51372A7658C351 /* UIKit.framework */,
+				59CFE20DCF760BE67D9CE3D6 /* WebKit.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+		4AC51E67B71E27F15B02C5CD /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				5AC703CEBA41A121596066F3 /* api_iOS.app */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		7A9A7AC155D9E22E54D6D847 /* Sources */ = {
+			isa = PBXGroup;
+			children = (
+				A3574F52DBC5463B9C3D043D /* api */,
+			);
+			path = Sources;
+			sourceTree = "<group>";
+		};
+		86D903732E10FAC4D300E8DF /* Externals */ = {
+			isa = PBXGroup;
+			children = (
+			);
+			path = Externals;
+			sourceTree = "<group>";
+		};
+		A3574F52DBC5463B9C3D043D /* api */ = {
+			isa = PBXGroup;
+			children = (
+				90D3B673AFAB8D8AB561F616 /* main.mm */,
+				07051859D6E2D8109C8FB128 /* bindings */,
+			);
+			path = api;
+			sourceTree = "<group>";
+		};
+		CF9AA87D2F6E9C389B7AB70B /* src */ = {
+			isa = PBXGroup;
+			children = (
+				F835F52713CE8F029D5D252C /* cmd.rs */,
+				785D025E9542F7E098BF22B5 /* lib.rs */,
+				0E96CE07CD20273DD46BF325 /* main.rs */,
+				1C1AB1B414CA2795AFBEDDB9 /* tray.rs */,
+			);
+			name = src;
+			path = ../../src;
+			sourceTree = "<group>";
+		};
+		F2116A6428EED18BE2A07E2B /* api_iOS */ = {
+			isa = PBXGroup;
+			children = (
+				879941AE3DAA14534BBC6391 /* api_iOS.entitlements */,
+				2F63E2AA460089BB58D40C79 /* Info.plist */,
+			);
+			path = api_iOS;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		54DC6E273C78071F3BA12EF3 /* api_iOS */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 01CBC40275452376830D79B1 /* Build configuration list for PBXNativeTarget "api_iOS" */;
+			buildPhases = (
+				FF948951157DE71465B5BD5F /* Build Rust Code */,
+				71E73CC9AB5F1323EC1F6365 /* Sources */,
+				CA2BEC44B6EDA1F21B6155CD /* Resources */,
+				11E18DCDB3ADFE87C18915EF /* Frameworks */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = api_iOS;
+			productName = api_iOS;
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+/* Begin PBXProject section */
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+			outputFileListPaths = (
+			);
+			outputPaths = (
+				"$(SRCROOT)/target/aarch64-apple-ios/${CONFIGURATION}/deps/libapi.a",
+				"$(SRCROOT)/target/x86_64-apple-ios/${CONFIGURATION}/deps/libapi.a",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "node /Users/lucas/projects/tauri/plugins-workspace/examples/api/./node_modules/.bin/../../../../node_modules/.pnpm/@tauri-apps+cli@2.0.0-alpha.14/node_modules/@tauri-apps/cli/tauri.js ios xcode-script -v --platform ${PLATFORM_DISPLAY_NAME:?} --sdk-root ${SDKROOT:?} --framework-search-paths \"${FRAMEWORK_SEARCH_PATHS:?}\" --header-search-paths \"${HEADER_SEARCH_PATHS:?}\" --gcc-preprocessor-definitions \"${GCC_PREPROCESSOR_DEFINITIONS:-}\" --configuration ${CONFIGURATION:?} ${FORCE_COLOR} ${ARCHS:?}";
+		};
+/* End PBXShellScriptBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		71E73CC9AB5F1323EC1F6365 /* Sources */ = {
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+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
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+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
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+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
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+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"$(inherited)",
+					"DEBUG=1",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
+				MTL_FAST_MATH = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = iphoneos;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+			};
+			name = debug;
+		};
+		BF284FE6E7AE0C8DDCCE398B /* debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				ARCHS = (
+					arm64,
+					"arm64-sim",
+				);
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_ENTITLEMENTS = api_iOS/api_iOS.entitlements;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				DEVELOPMENT_TEAM = Q93MBH6S2F;
+				ENABLE_BITCODE = NO;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"\".\"",
+				);
+				INFOPLIST_FILE = api_iOS/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				"LIBRARY_SEARCH_PATHS[arch=arm64-sim]" = "$(inherited) $(PROJECT_DIR)/Externals/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)";
+				"LIBRARY_SEARCH_PATHS[arch=arm64]" = "$(inherited) $(PROJECT_DIR)/Externals/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)";
+				"LIBRARY_SEARCH_PATHS[arch=x86_64]" = "$(inherited) $(PROJECT_DIR)/Externals/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)";
+				PRODUCT_BUNDLE_IDENTIFIER = com.tauri.api;
+				PRODUCT_NAME = "Tauri API";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALID_ARCHS = "arm64  arm64-sim";
+			};
+			name = debug;
+		};
+		DB0E254D0FD84970B57F6410 /* release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				ARCHS = (
+					arm64,
+					"arm64-sim",
+				);
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_ENTITLEMENTS = api_iOS/api_iOS.entitlements;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				DEVELOPMENT_TEAM = Q93MBH6S2F;
+				ENABLE_BITCODE = NO;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"\".\"",
+				);
+				INFOPLIST_FILE = api_iOS/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				"LIBRARY_SEARCH_PATHS[arch=arm64-sim]" = "$(inherited) $(PROJECT_DIR)/Externals/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)";
+				"LIBRARY_SEARCH_PATHS[arch=arm64]" = "$(inherited) $(PROJECT_DIR)/Externals/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)";
+				"LIBRARY_SEARCH_PATHS[arch=x86_64]" = "$(inherited) $(PROJECT_DIR)/Externals/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)";
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+				PRODUCT_NAME = "Tauri API";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALID_ARCHS = "arm64  arm64-sim";
+			};
+			name = release;
+		};
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+
+/* Begin XCConfigurationList section */
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+			isa = XCConfigurationList;
+			buildConfigurations = (
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+			defaultConfigurationName = debug;
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+			defaultConfigurationName = debug;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 9BC88C3717DA5D4B78A51C15 /* Project object */;
+}

examples/api/src-tauri/gen/apple/api.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

examples/api/src-tauri/gen/apple/api.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BuildSystemType</key>
+	<string>Original</string>
+	<key>DisableBuildSystemDeprecationDiagnostic</key>
+	<true/>
+</dict>
+</plist>

examples/api/src-tauri/gen/apple/api.xcodeproj/xcshareddata/xcschemes/api_iOS.xcscheme

@@ -0,0 +1,131 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1200"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES"
+      runPostActionsOnFailure = "NO">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "54DC6E273C78071F3BA12EF3"
+               BuildableName = "api_iOS.app"
+               BlueprintName = "api_iOS"
+               ReferencedContainer = "container:api.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "NO"
+      onlyGenerateCoverageForSpecifiedTargets = "NO">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "54DC6E273C78071F3BA12EF3"
+            BuildableName = "api_iOS.app"
+            BlueprintName = "api_iOS"
+            ReferencedContainer = "container:api.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+      </Testables>
+      <CommandLineArguments>
+      </CommandLineArguments>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "RUST_BACKTRACE"
+            value = "full"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "RUST_LOG"
+            value = "info"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "54DC6E273C78071F3BA12EF3"
+            BuildableName = "api_iOS.app"
+            BlueprintName = "api_iOS"
+            ReferencedContainer = "container:api.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <CommandLineArguments>
+      </CommandLineArguments>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "RUST_BACKTRACE"
+            value = "full"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "RUST_LOG"
+            value = "info"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "release"
+      shouldUseLaunchSchemeArgsEnv = "NO"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "54DC6E273C78071F3BA12EF3"
+            BuildableName = "api_iOS.app"
+            BlueprintName = "api_iOS"
+            ReferencedContainer = "container:api.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <CommandLineArguments>
+      </CommandLineArguments>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "RUST_BACKTRACE"
+            value = "full"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "RUST_LOG"
+            value = "info"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

examples/api/src-tauri/gen/apple/api_iOS/Info.plist

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>2.0.0</string>
+	<key>CFBundleVersion</key>
+	<string>2.0.0</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>arm64</string>
+		<string>metal</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>NSCameraUsageDescription</key>
+	<string>To be able to scan barcodes</string>
+</dict>
+</plist>

examples/api/src-tauri/gen/apple/api_iOS/api_iOS.entitlements

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict/>
+</plist>

examples/api/src-tauri/gen/apple/project.yml

@@ -0,0 +1,92 @@
+# Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
+
+name: api
+options:
+  bundleIdPrefix: com.tauri
+  deploymentTarget:
+    iOS: 13.0
+fileGroups: [../../src]
+configs:
+  debug: debug
+  release: release
+settingGroups:
+  app:
+    base:
+      PRODUCT_NAME: Tauri API
+      PRODUCT_BUNDLE_IDENTIFIER: com.tauri.api
+      DEVELOPMENT_TEAM: Q93MBH6S2F
+targetTemplates:
+  app:
+    type: application
+    sources:
+      - path: Sources
+    scheme:
+      environmentVariables:
+        RUST_BACKTRACE: full
+        RUST_LOG: info
+    settings:
+      groups: [app]
+targets:
+  api_iOS:
+    type: application
+    platform: iOS
+    sources:
+      - path: Sources
+      - path: Assets.xcassets
+      - path: Externals
+      - path: api_iOS
+      - path: assets
+        buildPhase: resources
+        type: folder
+    info:
+      path: api_iOS/Info.plist
+      properties:
+        LSRequiresIPhoneOS: true
+        UILaunchStoryboardName: LaunchScreen
+        UIRequiredDeviceCapabilities: [arm64, metal]
+        UISupportedInterfaceOrientations:
+          - UIInterfaceOrientationPortrait
+          - UIInterfaceOrientationLandscapeLeft
+          - UIInterfaceOrientationLandscapeRight
+        UISupportedInterfaceOrientations~ipad:
+          - UIInterfaceOrientationPortrait
+          - UIInterfaceOrientationPortraitUpsideDown
+          - UIInterfaceOrientationLandscapeLeft
+          - UIInterfaceOrientationLandscapeRight
+        CFBundleShortVersionString: 2.0.0
+        CFBundleVersion: 2.0.0
+    entitlements:
+      path: api_iOS/api_iOS.entitlements
+    scheme:
+      environmentVariables:
+        RUST_BACKTRACE: full
+        RUST_LOG: info
+    settings:
+      base:
+        ENABLE_BITCODE: false
+        ARCHS: [arm64, arm64-sim]
+        VALID_ARCHS: arm64  arm64-sim 
+        LIBRARY_SEARCH_PATHS[arch=x86_64]: $(inherited) $(PROJECT_DIR)/Externals/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)
+        LIBRARY_SEARCH_PATHS[arch=arm64]: $(inherited) $(PROJECT_DIR)/Externals/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)
+        LIBRARY_SEARCH_PATHS[arch=arm64-sim]: $(inherited) $(PROJECT_DIR)/Externals/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)
+        ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES: true
+      groups: [app]
+    dependencies:
+      - framework: libapi.a
+        embed: false
+      - sdk: CoreGraphics.framework
+      - sdk: Metal.framework
+      - sdk: MetalKit.framework
+      - sdk: QuartzCore.framework
+      - sdk: Security.framework
+      - sdk: UIKit.framework
+      - sdk: WebKit.framework
+    preBuildScripts:
+      - script: node /Users/lucas/projects/tauri/plugins-workspace/examples/api/./node_modules/.bin/../../../../node_modules/.pnpm/@tauri-apps+cli@2.0.0-alpha.14/node_modules/@tauri-apps/cli/tauri.js ios xcode-script -v --platform ${PLATFORM_DISPLAY_NAME:?} --sdk-root ${SDKROOT:?} --framework-search-paths "${FRAMEWORK_SEARCH_PATHS:?}" --header-search-paths "${HEADER_SEARCH_PATHS:?}" --gcc-preprocessor-definitions "${GCC_PREPROCESSOR_DEFINITIONS:-}" --configuration ${CONFIGURATION:?} ${FORCE_COLOR} ${ARCHS:?}
+        name: Build Rust Code
+        basedOnDependencyAnalysis: false
+        outputFiles:
+          - $(SRCROOT)/target/aarch64-apple-ios/${CONFIGURATION}/deps/libapi.a
+          - $(SRCROOT)/target/x86_64-apple-ios/${CONFIGURATION}/deps/libapi.a

examples/api/src-tauri/src/lib.rs

@@ -51,6 +51,10 @@ pub fn run() {
                 app.handle()
                     .plugin(tauri_plugin_updater::Builder::new().build())?;
             }
+            #[cfg(mobile)]
+            {
+                app.handle().plugin(tauri_plugin_barcode_scanner::init())?;
+            }
 
             let mut window_builder = WindowBuilder::new(app, "main", WindowUrl::default());
             #[cfg(desktop)]

examples/api/src/App.svelte

@@ -17,6 +17,7 @@
   import Updater from "./views/Updater.svelte";
   import Clipboard from "./views/Clipboard.svelte";
   import WebRTC from "./views/WebRTC.svelte";
+  import Scanner from "./views/Scanner.svelte";
   import App from "./views/App.svelte";
 
   import { onMount } from "svelte";
@@ -113,6 +114,11 @@
       component: WebRTC,
       icon: "i-ph-broadcast",
     },
+    isMobile && {
+      label: "Scanner",
+      component: Scanner,
+      icon: "i-ph-scan",
+    },
   ];
 
   let selected = views[0];
@@ -444,6 +450,7 @@
   </aside>
   <main
     class="flex-1 bg-primary dark:bg-darkPrimary transition-transform transition-colors-250 grid grid-rows-[2fr_auto]"
+    class:transparent={isMobile}
   >
     <div class="px-5 overflow-hidden grid grid-rows-[auto_1fr]">
       <h1>{selected.label}</h1>

examples/api/src/app.css

@@ -55,3 +55,7 @@ body {
 #console {
   padding-bottom: calc(env(safe-area-inset-bottom) + 24px);
 }
+
+.transparent {
+  background-color: transparent;
+}

examples/api/src/views/Scanner.svelte

@@ -0,0 +1,155 @@
+<script>
+  import { scan, checkPermissions, requestPermissions, Format, cancel } from "@tauri-apps/plugin-barcode-scanner";
+
+  export let onMessage;
+
+  let scanning = false;
+  let windowed = true;
+  let formats = [Format.QRCode];
+  const supportedFormats = [Format.QRCode, Format.EAN13];
+
+  async function startScan() {
+    let permission = await checkPermissions();
+    if (permission === 'prompt') {
+      permission = await requestPermissions();
+    }
+    if (permission === 'granted') {
+      scanning = true;
+      scan({ windowed, formats })
+        .then((res) => {
+          scanning = false;
+          onMessage(res);
+        })
+        .catch((error) => {
+          scanning = false;
+          onMessage(error);
+        });
+    } else {
+      onMessage('Permission denied')
+    }
+  }
+
+  async function cancelScan() {
+    await cancel();
+    scanning = false;
+    onMessage("cancelled");
+  }
+</script>
+
+<div class="full-height">
+  <div class:invisible={scanning}>
+    <div>
+      <input type="checkbox" id="scanner-windowed" bind:checked={windowed} />
+      <label for="scanner-windowed">Windowed</label>
+    </div>
+    <div>
+      <select class="input" id="format" multiple bind:value={formats}>
+        {#each supportedFormats as f}
+          <option value={f}>{f}</option>
+        {/each}
+      </select>
+    </div>
+    <button class="btn" type="button" on:click={startScan}>Scan</button>
+  </div>
+  <div class="scanning full-height" class:invisible={!scanning}>
+    <div class="scanner-background">
+      <!-- this background simulates the camera view -->
+    </div>
+    <div class="container full-height">
+      <div class="barcode-scanner--area--container">
+        <div class="relative">
+          <p>Aim your camera at a QR code</p>
+          <button class="btn" type="button" on:click={cancelScan}>Cancel</button>
+        </div>
+        <div class="square surround-cover">
+          <div class="barcode-scanner--area--outer surround-cover">
+            <div class="barcode-scanner--area--inner" />
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
+
+<style>
+  .invisible {
+    display: none;
+  }
+
+  .full-height {
+    height: 100%;
+  }
+
+  p {
+    color: #fff;
+    font-family: sans-serif;
+    text-align: center;
+    font-weight: 600;
+  }
+
+  .container {
+    width: 100%;
+    height: 100%;
+    overflow: hidden;
+  }
+  .container {
+    display: flex;
+  }
+
+  .relative {
+    position: relative;
+    display: flex;
+    flex-direction: row;
+    justify-content: space-between;
+    z-index: 1;
+  }
+
+  .square {
+    width: 100%;
+    position: relative;
+    overflow: hidden;
+    transition: 0.3s;
+  }
+  .square:after {
+    content: "";
+    top: 0;
+    display: block;
+    padding-bottom: 100%;
+  }
+  .square > div {
+    position: absolute;
+    top: 0;
+    left: 0;
+    bottom: 0;
+    right: 0;
+  }
+
+  .surround-cover {
+    box-shadow: 0 0 0 99999px rgba(0, 0, 0, 0.5);
+  }
+
+  .barcode-scanner--area--container {
+    width: 80%;
+    max-width: min(500px, 80vh);
+    margin: auto;
+  }
+  .barcode-scanner--area--outer {
+    display: flex;
+    border-radius: 1em;
+  }
+  .barcode-scanner--area--inner {
+    width: 100%;
+    margin: 1rem;
+    border: 2px solid #fff;
+    box-shadow: 0px 0px 2px 1px rgb(0 0 0 / 0.5),
+      inset 0px 0px 2px 1px rgb(0 0 0 / 0.5);
+    border-radius: 1rem;
+  }
+
+  .scanner-background {
+    background: linear-gradient(45deg, #673ab7, transparent);
+    background-position: 45% 50%;
+    background-size: cover;
+    background-repeat: no-repeat;
+  }
+</style>

plugins/barcode-scanner/.gitignore

@@ -0,0 +1 @@
+/.tauri

plugins/barcode-scanner/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "tauri-plugin-barcode-scanner"
+version = "1.0.0"
+description = "Scan QR codes, EAN-13 and other kinds of barcodes on Android and iOS"
+edition = { workspace = true }
+authors = { workspace = true }
+license = { workspace = true }
+links = "tauri-plugin-barcode-scanner"
+
+[build-dependencies]
+tauri-build = { workspace = true }
+
+[dependencies]
+serde = { workspace = true }
+serde_json = { workspace = true }
+tauri = { workspace = true }
+log = { workspace = true }
+thiserror = { workspace = true }

plugins/barcode-scanner/LICENSE.spdx

@@ -0,0 +1,20 @@
+SPDXVersion: SPDX-2.1
+DataLicense: CC0-1.0
+PackageName: tauri
+DataFormat: SPDXRef-1
+PackageSupplier: Organization: The Tauri Programme in the Commons Conservancy
+PackageHomePage: https://tauri.app
+PackageLicenseDeclared: Apache-2.0
+PackageLicenseDeclared: MIT
+PackageCopyrightText: 2019-2022, The Tauri Programme in the Commons Conservancy
+PackageSummary: <text>Tauri is a rust project that enables developers to make secure
+and small desktop applications using a web frontend.
+                </text>
+PackageComment: <text>The package includes the following libraries; see
+Relationship information.
+                </text>
+Created: 2019-05-20T09:00:00Z
+PackageDownloadLocation: git://github.com/tauri-apps/tauri
+PackageDownloadLocation: git+https://github.com/tauri-apps/tauri.git
+PackageDownloadLocation: git+ssh://github.com/tauri-apps/tauri.git
+Creator: Person: Daniel Thompson-Yvetot

plugins/barcode-scanner/LICENSE_APACHE-2.0

@@ -0,0 +1,177 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
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+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
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+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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+   3. Grant of Patent License. Subject to the terms and conditions of
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+      or a Contribution incorporated within the Work constitutes direct
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+      granted to You under this License for that Work shall terminate
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+
+   4. Redistribution. You may reproduce and distribute copies of the
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+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
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+
+      (c) You must retain, in the Source form of any Derivative Works
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+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
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+      on Your own behalf and on Your sole responsibility, not on behalf
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+      defend, and hold each Contributor harmless for any liability
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+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS

plugins/barcode-scanner/LICENSE_MIT

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 - Present Tauri Apps Contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

plugins/barcode-scanner/README.md

@@ -0,0 +1,98 @@
+![Barcode Scanner](banner.png)
+
+Allows your mobile application to use the camera to scan QR codes, EAN-13 and other kinds of barcodes.
+
+## Install
+
+_This plugin requires a Rust version of at least **1.64**_
+
+There are three general methods of installation that we can recommend.
+
+1. Use crates.io and npm (easiest, and requires you to trust that our publishing pipeline worked)
+2. Pull sources directly from Github using git tags / revision hashes (most secure)
+3. Git submodule install this repo in your tauri project and then use file protocol to ingest the source (most secure, but inconvenient to use)
+
+Install the Core plugin by adding the following to your `Cargo.toml` file:
+
+`src-tauri/Cargo.toml`
+
+```toml
+[dependencies]
+tauri-plugin-barcode-scanner = "2.0.0-alpha"
+# alternatively with Git:
+tauri-plugin-barcode-scanner = { git = "https://github.com/tauri-apps/plugins-workspace", branch = "v2" }
+```
+
+You can install the JavaScript Guest bindings using your preferred JavaScript package manager:
+
+> Note: Since most JavaScript package managers are unable to install packages from git monorepos we provide read-only mirrors of each plugin. This makes installation option 2 more ergonomic to use.
+
+```sh
+pnpm add @tauri-apps/plugin-barcode-scanner
+# or
+npm add @tauri-apps/plugin-barcode-scanner
+# or
+yarn add @tauri-apps/plugin-barcode-scanner
+
+# alternatively with Git:
+pnpm add https://github.com/tauri-apps/tauri-plugin-barcode-scanner#v2
+# or
+npm add https://github.com/tauri-apps/tauri-plugin-barcode-scanner#v2
+# or
+yarn add https://github.com/tauri-apps/tauri-plugin-barcode-scanner#v2
+```
+
+## Usage
+
+First you need to register the core plugin with Tauri:
+
+`src-tauri/src/main.rs`
+
+```rust
+fn main() {
+    tauri::Builder::default()
+        .plugin(tauri_plugin_barcode_scanner::init())
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}
+```
+
+Afterwards all the plugin's APIs are available through the JavaScript guest bindings:
+
+```javascript
+import { scan } from "@tauri-apps/plugin-barcode-scanner";
+
+// `windowed: true` actually sets the webview to transparent
+// instead of opening a separate view for the camera
+// make sure your user interface is ready to show what is underneath with a transparent element
+scan({ windowed: true, formats: [""] })
+```
+
+## Contributing
+
+PRs accepted. Please make sure to read the Contributing Guide before making a pull request.
+
+## Contributed By
+
+<table>
+  <tbody>
+    <tr>
+      <td align="center" valign="middle">
+        <a href="https://crabnebula.dev" target="_blank">
+          <img src="contributors/crabnebula.svg" alt="CrabNebula" width="283">
+        </a>
+      </td>
+      <td align="center" valign="middle">
+        <a href="https://impierce.com" target="_blank">
+            <img src="contributors/impierce.svg" alt="Impierce" width="283" height="90">
+        </a>
+      </td>
+    </tr>
+  </tbody>
+</table>
+
+## License
+
+Code: (c) 2015 - Present - The Tauri Programme within The Commons Conservancy.
+
+MIT or MIT/Apache 2.0 where applicable.

plugins/barcode-scanner/android/.gitignore

@@ -0,0 +1,2 @@
+/build
+/.tauri

plugins/barcode-scanner/android/build.gradle.kts

@@ -0,0 +1,56 @@
+plugins {
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "app.tauri.barcodescanner"
+    compileSdk = 32
+
+    defaultConfig {
+        minSdk = 24
+        targetSdk = 32
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+
+dependencies {
+
+    implementation("androidx.core:core-ktx:1.9.0")
+    implementation("androidx.appcompat:appcompat:1.6.0")
+    implementation("com.google.android.material:material:1.7.0")
+    implementation("androidx.camera:camera-core:1.1.0")
+    implementation("androidx.camera:camera-view:1.1.0")
+    implementation("androidx.camera:camera-lifecycle:1.1.0")
+    implementation("androidx.camera:camera-camera2:1.1.0")
+    implementation("androidx.camera:camera-lifecycle:1.1.0")
+    implementation("androidx.camera:camera-view:1.1.0")
+    implementation("com.google.android.gms:play-services-mlkit-barcode-scanning:18.1.0")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    implementation("com.journeyapps:zxing-android-embedded:4.3.0") {
+        isTransitive = false
+    }
+    implementation("com.google.zxing:core:3.3.0")
+    implementation(project(":tauri-android"))
+}

plugins/barcode-scanner/android/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

plugins/barcode-scanner/android/settings.gradle

@@ -0,0 +1,2 @@
+include ':tauri-android'
+project(':tauri-android').projectDir = new File('./.tauri/tauri-api')

plugins/barcode-scanner/android/src/androidTest/java/ExampleInstrumentedTest.kt

@@ -0,0 +1,28 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+package app.tauri.barcodescanner
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("app.tauri.barcodescanner", appContext.packageName)
+    }
+}

plugins/barcode-scanner/android/src/main/AndroidManifest.xml

@@ -0,0 +1,11 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:hardwareAccelerated="true">
+
+    <!-- Paste the following line into the AndroidManifest.xml of your project -->
+    <!-- See also: https://capacitorjs.com/docs/plugins/android#manifest -->
+    <!-- <uses-feature android:name="android.hardware.camera" android:required="false" /> -->
+
+    <uses-sdk tools:overrideLibrary="com.google.zxing.client.android" />
+    <uses-permission android:name="android.permission.VIBRATE" />
+</manifest>

plugins/barcode-scanner/android/src/main/java/BarcodeScannerPlugin.kt

@@ -0,0 +1,438 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+package app.tauri.barcodescanner
+
+import android.Manifest
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.content.Context
+import android.content.Context.MODE_PRIVATE
+import android.content.Intent
+import android.content.SharedPreferences
+import android.content.pm.PackageManager
+import android.graphics.Color
+import android.graphics.drawable.Drawable
+import android.net.Uri
+import android.os.Build
+import android.os.VibrationEffect
+import android.os.Vibrator
+import android.provider.Settings
+import android.util.Size
+import android.view.ViewGroup
+import android.webkit.WebView
+import android.widget.FrameLayout
+import androidx.activity.result.ActivityResult
+import androidx.camera.core.Camera
+import androidx.camera.core.CameraSelector
+import androidx.camera.core.ImageAnalysis
+import androidx.camera.core.ImageProxy
+import androidx.camera.core.Preview
+import androidx.camera.lifecycle.ProcessCameraProvider
+import androidx.camera.view.PreviewView
+import androidx.core.content.ContextCompat
+import androidx.lifecycle.LifecycleOwner
+import app.tauri.Logger
+import app.tauri.PermissionState
+import app.tauri.annotation.ActivityCallback
+import app.tauri.annotation.Command
+import app.tauri.annotation.Permission
+import app.tauri.annotation.PermissionCallback
+import app.tauri.annotation.TauriPlugin
+import app.tauri.plugin.Invoke
+import app.tauri.plugin.JSArray
+import app.tauri.plugin.JSObject
+import app.tauri.plugin.Plugin
+import com.google.common.util.concurrent.ListenableFuture
+import com.google.mlkit.vision.barcode.BarcodeScannerOptions
+import com.google.mlkit.vision.barcode.BarcodeScanning
+import com.google.mlkit.vision.barcode.common.Barcode
+import com.google.mlkit.vision.common.InputImage
+import org.json.JSONException
+import java.util.Collections
+import java.util.concurrent.ExecutionException
+
+private const val PERMISSION_ALIAS_CAMERA = "camera"
+private const val PERMISSION_NAME = Manifest.permission.CAMERA
+private const val PREFS_PERMISSION_FIRST_TIME_ASKING = "PREFS_PERMISSION_FIRST_TIME_ASKING"
+
+@TauriPlugin(
+    permissions = [
+        Permission(strings = [Manifest.permission.CAMERA], alias = "camera")
+    ]
+)
+class BarcodeScannerPlugin(private val activity: Activity) : Plugin(activity),
+    ImageAnalysis.Analyzer {
+    private lateinit var webView: WebView
+    private var previewView: PreviewView? = null
+    private var cameraProviderFuture: ListenableFuture<ProcessCameraProvider>? = null
+    private var cameraProvider: ProcessCameraProvider? = null
+    private var graphicOverlay: GraphicOverlay? = null
+    private var camera: Camera? = null
+    private var vibrator: Vibrator? = null
+
+    private var scannerOptions: BarcodeScannerOptions? = null
+    private var scanner: com.google.mlkit.vision.barcode.BarcodeScanner? = null
+
+    private var requestPermissionResponse: JSObject? = null
+    private var windowed = false
+
+    // declare a map constant for allowed barcode formats
+    private val supportedFormats = supportedFormats()
+
+    private var savedInvoke: Invoke? = null
+    private var webViewBackground: Drawable? = null
+
+    override fun load(webView: WebView) {
+        super.load(webView)
+        this.webView = webView
+    }
+
+    private fun supportedFormats(): Map<String, Int> {
+        val map: MutableMap<String, Int> = HashMap()
+        map["UPC_A"] = Barcode.FORMAT_UPC_A
+        map["UPC_E"] = Barcode.FORMAT_UPC_E
+        map["EAN_8"] = Barcode.FORMAT_EAN_8
+        map["EAN_13"] = Barcode.FORMAT_EAN_13
+        map["CODE_39"] = Barcode.FORMAT_CODE_39
+        map["CODE_93"] = Barcode.FORMAT_CODE_93
+        map["CODE_128"] = Barcode.FORMAT_CODE_128
+        map["CODABAR"] = Barcode.FORMAT_CODABAR
+        map["ITF"] = Barcode.FORMAT_ITF
+        map["AZTEC"] = Barcode.FORMAT_AZTEC
+        map["DATA_MATRIX"] = Barcode.FORMAT_DATA_MATRIX
+        map["PDF_417"] = Barcode.FORMAT_PDF417
+        map["QR_CODE"] = Barcode.FORMAT_QR_CODE
+        return Collections.unmodifiableMap(map)
+    }
+
+    private fun hasCamera(): Boolean {
+        return activity.packageManager
+            .hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY)
+    }
+
+    private fun setupCamera(cameraDirection: String, windowed: Boolean) {
+        activity
+            .runOnUiThread {
+                val previewView = PreviewView(activity)
+                previewView.layoutParams = FrameLayout.LayoutParams(
+                    ViewGroup.LayoutParams.MATCH_PARENT,
+                    ViewGroup.LayoutParams.MATCH_PARENT
+                )
+                this.previewView = previewView
+
+                val graphicOverlay = GraphicOverlay(activity)
+                graphicOverlay.layoutParams = FrameLayout.LayoutParams(
+                    ViewGroup.LayoutParams.MATCH_PARENT,
+                    ViewGroup.LayoutParams.MATCH_PARENT
+                )
+                this.graphicOverlay = graphicOverlay
+
+                val parent = webView.parent as ViewGroup
+                parent.addView(previewView)
+                parent.addView(graphicOverlay)
+
+                this.windowed = windowed
+                if (windowed) {
+                    webView.bringToFront()
+                    webViewBackground = webView.background
+                    webView.setBackgroundColor(Color.TRANSPARENT)
+                }
+
+                val cameraProviderFuture = ProcessCameraProvider.getInstance(activity)
+                cameraProviderFuture.addListener(
+                    {
+                        try {
+                            val cameraProvider = cameraProviderFuture.get()
+                            bindPreview(
+                                cameraProvider,
+                                if (cameraDirection == "front") CameraSelector.LENS_FACING_FRONT else CameraSelector.LENS_FACING_BACK
+                            )
+                            this.cameraProvider = cameraProvider
+                        } catch (e: InterruptedException) {
+                            // ignored
+                        } catch (_: ExecutionException) {
+                            // ignored
+                        }
+                    },
+                    ContextCompat.getMainExecutor(activity)
+                )
+                this.cameraProviderFuture = cameraProviderFuture
+            }
+    }
+
+    private fun bindPreview(cameraProvider: ProcessCameraProvider, cameraDirection: Int) {
+        activity
+            .runOnUiThread {
+                val preview = Preview.Builder().build()
+                val cameraSelector =
+                    CameraSelector.Builder().requireLensFacing(cameraDirection).build()
+                preview.setSurfaceProvider(previewView?.surfaceProvider)
+                val imageAnalysis = ImageAnalysis.Builder()
+                    .setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST)
+                    .setTargetResolution(Size(1280, 720))
+                    .build()
+                imageAnalysis.setAnalyzer(
+                    ContextCompat.getMainExecutor(activity),
+                    this
+                )
+
+                try {
+                    camera = cameraProvider.bindToLifecycle(
+                        activity as LifecycleOwner,
+                        cameraSelector,
+                        preview,
+                        imageAnalysis
+                    )
+                } catch (e: Exception) {
+                    // TODO
+                }
+            }
+    }
+
+    private fun dismantleCamera() {
+        activity
+            .runOnUiThread {
+                if (cameraProvider != null) {
+                    cameraProvider?.unbindAll()
+                    val parent = webView.parent as ViewGroup
+                    parent.removeView(previewView)
+                    parent.removeView(graphicOverlay)
+                    camera = null
+                    previewView = null
+                    graphicOverlay = null
+                }
+            }
+    }
+
+    private fun getFormats(invoke: Invoke): List<Int> {
+        val jsFormats = invoke.getArray("formats", JSArray())
+        val formats = ArrayList<Int>()
+        for (i in 0 until jsFormats.length()) {
+            try {
+                val targetedFormat: String = jsFormats.getString(i)
+                val targetedBarcodeFormat =
+                    supportedFormats[targetedFormat]
+                if (targetedBarcodeFormat != null) {
+                    formats.add(targetedBarcodeFormat)
+                }
+            } catch (e: JSONException) {
+                e.printStackTrace()
+            }
+        }
+        return formats
+    }
+
+    private fun prepare(direction: String, windowed: Boolean) {
+        dismantleCamera()
+        setupCamera(direction, windowed)
+    }
+
+    private fun destroy() {
+        dismantleCamera()
+        savedInvoke = null
+        if (windowed) {
+            if (webViewBackground != null) {
+                webView.background = webViewBackground
+                webViewBackground = null
+            } else {
+                webView.setBackgroundColor(Color.WHITE)
+            }
+        }
+    }
+
+    @Suppress("DEPRECATION")
+    private fun configureCamera(formats: List<Int>) {
+        activity
+            .runOnUiThread {
+                val vibrator =
+                    activity.getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
+                this.vibrator = vibrator
+                if (previewView == null) {
+                    throw Exception("Something went wrong configuring the BarcodeScanner")
+                }
+
+                if (formats.isNotEmpty()) {
+                    val mappedFormats = mapFormats(formats)
+                    val options =
+                        BarcodeScannerOptions.Builder()
+                            .setBarcodeFormats(Barcode.FORMAT_QR_CODE, *mappedFormats).build()
+                    scannerOptions = options
+                    scanner = BarcodeScanning.getClient(options)
+                } else {
+                    val options = BarcodeScannerOptions.Builder()
+                        .setBarcodeFormats(Barcode.FORMAT_ALL_FORMATS).build()
+                    scannerOptions = options
+                    scanner = BarcodeScanning.getClient(options)
+                }
+            }
+    }
+
+    private fun mapFormats(integers: List<Int>): IntArray {
+        val ret = IntArray(integers.size)
+        for (i in ret.indices) {
+            if (integers[i] != Barcode.FORMAT_QR_CODE) ret[i] = integers[i]
+        }
+        return ret
+    }
+
+    override fun analyze(image: ImageProxy) {
+        @SuppressLint("UnsafeOptInUsageError") val mediaImage = image.image
+        if (mediaImage != null) {
+            val inputImage =
+                InputImage.fromMediaImage(mediaImage, image.imageInfo.rotationDegrees)
+            scanner
+                ?.process(inputImage)
+                ?.addOnSuccessListener { barcodes ->
+                    if (barcodes.isNotEmpty())  {
+                        val barcode = barcodes[0]
+                        val bounds = barcode.boundingBox
+                        val rawValue = barcode.rawValue ?: ""
+                        val rawFormat = barcode.format
+                        var format: String? = null
+
+                        for (entry in supportedFormats.entries) {
+                            if (entry.value == rawFormat) {
+                                format = entry.key
+                                break
+                            }
+                        }
+
+                        val s = bounds?.flattenToString()
+                        val jsObject = JSObject()
+                        jsObject.put("content", rawValue)
+                        jsObject.put("format", format)
+                        jsObject.put("bounds", s)
+
+                        savedInvoke?.resolve(jsObject)
+                        destroy()
+                    }
+                }
+                ?.addOnFailureListener { e ->
+                    Logger.error(e.message ?: e.toString())
+                }
+                ?.addOnCompleteListener {
+                    image.close()
+                    mediaImage.close()
+                }
+        }
+    }
+
+    @Command
+    fun vibrate(invoke: Invoke) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            vibrator!!.vibrate(
+                VibrationEffect.createOneShot(
+                    50,
+                    VibrationEffect.DEFAULT_AMPLITUDE
+                )
+            )
+        }
+        invoke.resolve()
+    }
+
+    @Command
+    fun cancel(invoke: Invoke) {
+        destroy()
+        savedInvoke?.reject("cancelled")
+        invoke.resolve()
+    }
+
+    @Command
+    fun scan(invoke: Invoke) {
+        savedInvoke = invoke
+        if (hasCamera()) {
+            if (getPermissionState("camera") != PermissionState.GRANTED) {
+                throw Exception("No permission to use camera. Did you request it yet?")
+            } else {
+                webViewBackground = null
+                prepare(invoke.getString("cameraDirection", "back"), invoke.getBoolean("windowed", false))
+                configureCamera(getFormats(invoke))
+            }
+        }
+    }
+
+    private fun markFirstPermissionRequest() {
+        val sharedPreference: SharedPreferences =
+            activity.getSharedPreferences(PREFS_PERMISSION_FIRST_TIME_ASKING, MODE_PRIVATE)
+        sharedPreference.edit().putBoolean(PERMISSION_NAME, false).apply()
+    }
+
+    private fun firstPermissionRequest(): Boolean {
+        return activity.getSharedPreferences(PREFS_PERMISSION_FIRST_TIME_ASKING, MODE_PRIVATE)
+            .getBoolean(PERMISSION_NAME, true)
+    }
+
+    @SuppressLint("ObsoleteSdkInt")
+    @PermissionCallback
+    fun cameraPermissionCallback(invoke: Invoke) {
+        if (requestPermissionResponse == null) {
+            return
+        }
+
+        val requestPermissionResponse = requestPermissionResponse!!
+
+        val granted = getPermissionState(PERMISSION_ALIAS_CAMERA) === PermissionState.GRANTED
+
+        if (granted) {
+            requestPermissionResponse.put(PERMISSION_ALIAS_CAMERA, PermissionState.GRANTED)
+        } else {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                if (!activity.shouldShowRequestPermissionRationale(PERMISSION_NAME)) {
+                    requestPermissionResponse.put(PERMISSION_ALIAS_CAMERA, PermissionState.DENIED)
+                }
+            } else {
+                requestPermissionResponse.put(PERMISSION_ALIAS_CAMERA, PermissionState.GRANTED)
+            }
+        }
+
+        invoke.resolve(requestPermissionResponse)
+        this.requestPermissionResponse = null
+    }
+
+    @SuppressLint("ObsoleteSdkInt")
+    @Command
+    override fun requestPermissions(invoke: Invoke) {
+        val requestPermissionResponse = JSObject()
+        this.requestPermissionResponse = requestPermissionResponse
+        if (getPermissionState(PERMISSION_ALIAS_CAMERA) === PermissionState.GRANTED) {
+            requestPermissionResponse.put(PERMISSION_ALIAS_CAMERA, PermissionState.GRANTED)
+        } else {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                if (firstPermissionRequest() || activity.shouldShowRequestPermissionRationale(
+                        PERMISSION_NAME
+                    )
+                ) {
+                    markFirstPermissionRequest()
+                    requestPermissionForAlias(
+                        PERMISSION_ALIAS_CAMERA,
+                        invoke,
+                        "cameraPermissionCallback"
+                    )
+                    return
+                } else {
+                    requestPermissionResponse.put(PERMISSION_ALIAS_CAMERA, PermissionState.DENIED)
+                }
+            } else {
+                requestPermissionResponse.put(PERMISSION_ALIAS_CAMERA, PermissionState.GRANTED)
+            }
+        }
+        invoke.resolve(requestPermissionResponse)
+    }
+
+    @Command
+    fun openAppSettings(invoke: Invoke) {
+        val intent = Intent(
+            Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
+            Uri.fromParts("package", activity.packageName, null)
+        )
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+        startActivityForResult(invoke, intent, "openSettingsResult")
+    }
+
+    @ActivityCallback
+    private fun openSettingsResult(invoke: Invoke, result: ActivityResult) {
+        invoke.resolve()
+    }
+}

plugins/barcode-scanner/android/src/main/java/GraphicOverlay.kt

@@ -0,0 +1,192 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+package app.tauri.barcodescanner
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Matrix
+import android.graphics.Paint
+import android.util.AttributeSet
+import android.view.View
+import com.google.android.gms.common.internal.Preconditions
+
+class GraphicOverlay: View {
+    private val lock = Any()
+    private val graphics: MutableList<Graphic> = ArrayList()
+
+    private val transformationMatrix = Matrix()
+
+    private var imageWidth = 0
+    private var imageHeight = 0
+
+    private var scaleFactor = 1.0f
+
+    private var postScaleWidthOffset = 0f
+
+    private var postScaleHeightOffset = 0f
+    private var isImageFlipped = false
+    private var needUpdateTransformation = true
+
+    abstract class Graphic(private val overlay: GraphicOverlay) {
+        abstract fun draw(canvas: Canvas?)
+        protected fun drawRect(
+            canvas: Canvas,
+            left: Float,
+            top: Float,
+            right: Float,
+            bottom: Float,
+            paint: Paint?
+        ) {
+            canvas.drawRect(left, top, right, bottom, paint!!)
+        }
+
+        protected fun drawText(canvas: Canvas, text: String?, x: Float, y: Float, paint: Paint?) {
+            canvas.drawText(text!!, x, y, paint!!)
+        }
+
+        /** Adjusts the supplied value from the image scale to the view scale.  */
+        fun scale(imagePixel: Float): Float {
+            return imagePixel * overlay.scaleFactor
+        }
+
+        val applicationContext
+            get() = overlay.context.applicationContext
+
+        fun isImageFlipped(): Boolean {
+            return overlay.isImageFlipped
+        }
+
+        fun translateX(x: Float): Float {
+            return if (overlay.isImageFlipped) {
+                overlay.width - (scale(x) - overlay.postScaleWidthOffset)
+            } else {
+                scale(x) - overlay.postScaleWidthOffset
+            }
+        }
+
+        fun translateY(y: Float): Float {
+            return scale(y) - overlay.postScaleHeightOffset
+        }
+
+        fun getTransformationMatrix(): Matrix {
+            return overlay.transformationMatrix
+        }
+
+        fun postInvalidate() {
+            overlay.postInvalidate()
+        }
+
+        fun updatePaintColorByZValue(
+            paint: Paint,
+            canvas: Canvas,
+            visualizeZ: Boolean,
+            rescaleZForVisualization: Boolean,
+            zInImagePixel: Float,
+            zMin: Float,
+            zMax: Float
+        ) {
+            if (!visualizeZ) {
+                return
+            }
+
+            val zLowerBoundInScreenPixel: Float
+            val zUpperBoundInScreenPixel: Float
+            if (rescaleZForVisualization) {
+                zLowerBoundInScreenPixel = (-0.001f).coerceAtMost(scale(zMin))
+                zUpperBoundInScreenPixel = 0.001f.coerceAtLeast(scale(zMax))
+            } else {
+                val defaultRangeFactor = 1f
+                zLowerBoundInScreenPixel = -defaultRangeFactor * canvas.width
+                zUpperBoundInScreenPixel = defaultRangeFactor * canvas.width
+            }
+            val zInScreenPixel = scale(zInImagePixel)
+            if (zInScreenPixel < 0) {
+                val v = (zInScreenPixel / zLowerBoundInScreenPixel * 255).toInt()
+                paint.setARGB(0, 0, 255, 0)
+            } else {
+                val v = (zInScreenPixel / zUpperBoundInScreenPixel * 255).toInt()
+                paint.setARGB(0, 0, 255, 0)
+            }
+        }
+    }
+
+    constructor(context: Context): super(context)
+
+    constructor(context: Context, attrs: AttributeSet): super(context, attrs) {
+        addOnLayoutChangeListener { _, _, _, _, _, _, _, _, _ ->
+            needUpdateTransformation = true
+        }
+    }
+
+    fun clear() {
+        synchronized(lock) { graphics.clear() }
+        postInvalidate()
+    }
+
+    fun add(graphic: Graphic) {
+        synchronized(lock) { graphics.add(graphic) }
+    }
+
+    fun remove(graphic: Graphic) {
+        synchronized(lock) { graphics.remove(graphic) }
+        postInvalidate()
+    }
+
+    fun setImageSourceInfo(imageWidth: Int, imageHeight: Int, isFlipped: Boolean) {
+        Preconditions.checkState(imageWidth > 0, "image width must be positive")
+        Preconditions.checkState(imageHeight > 0, "image height must be positive")
+        synchronized(lock) {
+            this.imageWidth = imageWidth
+            this.imageHeight = imageHeight
+            isImageFlipped = isFlipped
+            needUpdateTransformation = true
+        }
+        postInvalidate()
+    }
+
+    fun getImageWidth(): Int {
+        return imageWidth
+    }
+
+    fun getImageHeight(): Int {
+        return imageHeight
+    }
+
+    private fun updateTransformationIfNeeded() {
+        if (!needUpdateTransformation || imageWidth <= 0 || imageHeight <= 0) {
+            return
+        }
+        val viewAspectRatio = width.toFloat() / height
+        val imageAspectRatio = imageWidth.toFloat() / imageHeight
+        postScaleWidthOffset = 0f
+        postScaleHeightOffset = 0f
+        if (viewAspectRatio > imageAspectRatio) {
+            // The image needs to be vertically cropped to be displayed in this view.
+            scaleFactor = width.toFloat() / imageWidth
+            postScaleHeightOffset = (width.toFloat() / imageAspectRatio - height) / 2
+        } else {
+            // The image needs to be horizontally cropped to be displayed in this view.
+            scaleFactor = height.toFloat() / imageHeight
+            postScaleWidthOffset = (height.toFloat() * imageAspectRatio - width) / 2
+        }
+        transformationMatrix.reset()
+        transformationMatrix.setScale(scaleFactor, scaleFactor)
+        transformationMatrix.postTranslate(-postScaleWidthOffset, -postScaleHeightOffset)
+        if (isImageFlipped) {
+            transformationMatrix.postScale(-1f, 1f, width / 2f, height / 2f)
+        }
+        needUpdateTransformation = false
+    }
+
+    override fun onDraw(canvas: Canvas?) {
+        super.onDraw(canvas)
+        synchronized(lock) {
+            updateTransformationIfNeeded()
+            for (graphic in graphics) {
+                graphic.draw(canvas)
+            }
+        }
+    }
+}

plugins/barcode-scanner/android/src/test/java/ExampleUnitTest.kt

@@ -0,0 +1,21 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+package app.tauri.barcodescanner
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

plugins/barcode-scanner/build.rs

@@ -0,0 +1,16 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+use std::process::exit;
+
+fn main() {
+    if let Err(error) = tauri_build::mobile::PluginBuilder::new()
+        .android_path("android")
+        .ios_path("ios")
+        .run()
+    {
+        println!("{error:#}");
+        exit(1);
+    }
+}

plugins/barcode-scanner/contributors/crabnebula.svg

@@ -0,0 +1,13 @@
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+</svg>

plugins/barcode-scanner/guest-js/index.ts

@@ -0,0 +1,75 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import { invoke } from "@tauri-apps/api/tauri";
+
+export type PermissionState = "granted" | "denied" | "prompt";
+
+export enum Format {
+  QRCode = "QR_CODE",
+  UPC_A = "UPC_A",
+  UPC_E = "UPC_E",
+  EAN8 = "EAN_8",
+  EAN13 = "EAN_13",
+  Code39 = "CODE_39",
+  Code93 = "CODE_93",
+  Code128 = "CODE_128",
+  Codabar = "CODABAR",
+  ITF = "ITF",
+  Aztec = "AZTEC",
+  DataMatrix = "DATA_MATRIX",
+  PDF417 = "PDF_417",
+}
+
+export interface ScanOptions {
+  cameraDirection?: "back" | "front";
+  formats?: Format[];
+  windowed?: boolean;
+}
+
+export interface Scanned {
+  content: string;
+  format: Format;
+  bounds: unknown;
+}
+
+/**
+ * Start scanning.
+ * @param options
+ */
+export async function scan(options?: ScanOptions): Promise<Scanned> {
+  return await invoke("plugin:barcodeScanner|scan", { ...options });
+}
+
+/**
+ * Cancel the current scan process.
+ */
+export async function cancel(): Promise<void> {
+  return await invoke("plugin:barcodeScanner|cancel");
+}
+
+/**
+ * Get permission state.
+ */
+export async function checkPermissions(): Promise<PermissionState> {
+  return await invoke<{ camera: PermissionState }>(
+    "plugin:barcodeScanner|checkPermissions",
+  ).then((r) => r.camera);
+}
+
+/**
+ * Request permissions to use the camera.
+ */
+export async function requestPermissions(): Promise<PermissionState> {
+  return await invoke<{ camera: PermissionState }>(
+    "plugin:barcodeScanner|requestPermissions",
+  ).then((r) => r.camera);
+}
+
+/**
+ * Open application settings. Useful if permission was denied and the user must manually enable it.
+ */
+export async function openAppSettings(): Promise<void> {
+  return await invoke("plugin:barcodeScanner|openAppSettings");
+}

plugins/barcode-scanner/ios/.gitignore

@@ -0,0 +1,10 @@
+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc
+Package.resolved

plugins/barcode-scanner/ios/Package.swift

@@ -0,0 +1,35 @@
+// swift-tools-version:5.3
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+  name: "tauri-plugin-barcode-scanner",
+  platforms: [
+    .iOS(.v13)
+  ],
+  products: [
+    // Products define the executables and libraries a package produces, and make them visible to other packages.
+    .library(
+      name: "tauri-plugin-barcode-scanner",
+      type: .static,
+      targets: ["tauri-plugin-barcode-scanner"])
+  ],
+  dependencies: [
+    .package(name: "Tauri", path: "../.tauri/tauri-api")
+  ],
+  targets: [
+    // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+    // Targets can depend on other targets in this package, and on products in packages this package depends on.
+    .target(
+      name: "tauri-plugin-barcode-scanner",
+      dependencies: [
+        .byName(name: "Tauri")
+      ],
+      path: "Sources")
+  ]
+)

plugins/barcode-scanner/ios/README.md

@@ -0,0 +1,3 @@
+# Tauri Plugin Barcode Scanner
+
+A description of this package.

plugins/barcode-scanner/ios/Sources/BarcodeScannerPlugin.swift

@@ -0,0 +1,300 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import AVFoundation
+import Tauri
+import UIKit
+import WebKit
+
+enum SupportedFormat: String, CaseIterable {
+  // UPC_A not supported
+  case UPC_E
+  case EAN_8
+  case EAN_13
+  case CODE_39
+  case CODE_93
+  case CODE_128
+  // CODABAR not supported
+  case ITF
+  case AZTEC
+  case DATA_MATRIX
+  case PDF_417
+  case QR_CODE
+
+  var value: AVMetadataObject.ObjectType {
+    switch self {
+    case .UPC_E: return AVMetadataObject.ObjectType.upce
+    case .EAN_8: return AVMetadataObject.ObjectType.ean8
+    case .EAN_13: return AVMetadataObject.ObjectType.ean13
+    case .CODE_39: return AVMetadataObject.ObjectType.code39
+    case .CODE_93: return AVMetadataObject.ObjectType.code93
+    case .CODE_128: return AVMetadataObject.ObjectType.code128
+    case .ITF: return AVMetadataObject.ObjectType.interleaved2of5
+    case .AZTEC: return AVMetadataObject.ObjectType.aztec
+    case .DATA_MATRIX: return AVMetadataObject.ObjectType.dataMatrix
+    case .PDF_417: return AVMetadataObject.ObjectType.pdf417
+    case .QR_CODE: return AVMetadataObject.ObjectType.qr
+    }
+  }
+}
+
+enum CaptureError: Error {
+  case backCameraUnavailable
+  case frontCameraUnavailable
+  case couldNotCaptureInput(error: NSError)
+}
+
+class BarcodeScannerPlugin: Plugin, AVCaptureMetadataOutputObjectsDelegate {
+  var webView: WKWebView!
+  var cameraView: CameraView!
+  var captureSession: AVCaptureSession?
+  var captureVideoPreviewLayer: AVCaptureVideoPreviewLayer?
+  var metaOutput: AVCaptureMetadataOutput?
+
+  var currentCamera = 0
+  var frontCamera: AVCaptureDevice?
+  var backCamera: AVCaptureDevice?
+
+  var isScanning = false
+
+  var windowed = false
+  var previousBackgroundColor: UIColor? = UIColor.white
+
+  var invoke: Invoke? = nil
+
+  var scanFormats = [AVMetadataObject.ObjectType]()
+
+  public override func load(webview: WKWebView) {
+    self.webView = webview
+    loadCamera()
+  }
+
+  private func loadCamera() {
+    cameraView = CameraView(
+      frame: CGRect(
+        x: 0, y: 0, width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height))
+    cameraView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+  }
+
+  public func metadataOutput(
+    _ captureOutput: AVCaptureMetadataOutput, didOutput metadataObjects: [AVMetadataObject],
+    from connection: AVCaptureConnection
+  ) {
+    if metadataObjects.count == 0 || !self.isScanning {
+      // while nothing is detected, or if scanning is false, do nothing.
+      return
+    }
+
+    let found = metadataObjects[0] as! AVMetadataMachineReadableCodeObject
+    if scanFormats.contains(found.type) {
+      var jsObject: JsonObject = [:]
+
+      jsObject["format"] = formatStringFromMetadata(found.type)
+      if found.stringValue != nil {
+        jsObject["content"] = found.stringValue
+      }
+
+      invoke?.resolve(jsObject)
+      destroy()
+
+    }
+  }
+
+  private func setupCamera(direction: String, windowed: Bool) {
+    do {
+      var cameraDirection = direction
+      cameraView.backgroundColor = UIColor.clear
+      if windowed {
+        webView.superview?.insertSubview(cameraView, belowSubview: webView)
+      } else {
+        webView.superview?.insertSubview(cameraView, aboveSubview: webView)
+      }
+
+      let availableVideoDevices = discoverCaptureDevices()
+      for device in availableVideoDevices {
+        if device.position == AVCaptureDevice.Position.back {
+          backCamera = device
+        } else if device.position == AVCaptureDevice.Position.front {
+          frontCamera = device
+        }
+      }
+
+      // older iPods have no back camera
+      if cameraDirection == "back" {
+        if backCamera == nil {
+          cameraDirection = "front"
+        }
+      } else {
+        if frontCamera == nil {
+          cameraDirection = "back"
+        }
+      }
+
+      let input: AVCaptureDeviceInput
+      input = try createCaptureDeviceInput(
+        cameraDirection: cameraDirection, backCamera: backCamera, frontCamera: frontCamera)
+      captureSession = AVCaptureSession()
+      captureSession!.addInput(input)
+      metaOutput = AVCaptureMetadataOutput()
+      captureSession!.addOutput(metaOutput!)
+      metaOutput!.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)
+      captureVideoPreviewLayer = AVCaptureVideoPreviewLayer(session: captureSession!)
+      cameraView.addPreviewLayer(captureVideoPreviewLayer)
+
+      self.windowed = windowed
+      if windowed {
+        self.previousBackgroundColor = self.webView.backgroundColor
+        self.webView.isOpaque = false
+        self.webView.backgroundColor = UIColor.clear
+        self.webView.scrollView.backgroundColor = UIColor.clear
+      }
+    } catch CaptureError.backCameraUnavailable {
+      //
+    } catch CaptureError.frontCameraUnavailable {
+      //
+    } catch CaptureError.couldNotCaptureInput {
+      //
+    } catch {
+      //
+    }
+  }
+
+  private func dismantleCamera() {
+    if self.captureSession != nil {
+      self.captureSession!.stopRunning()
+      self.cameraView.removePreviewLayer()
+      self.captureVideoPreviewLayer = nil
+      self.metaOutput = nil
+      self.captureSession = nil
+      self.frontCamera = nil
+      self.backCamera = nil
+    }
+
+    self.isScanning = false
+  }
+
+  private func destroy() {
+    dismantleCamera()
+    invoke = nil
+    if windowed {
+      let backgroundColor = previousBackgroundColor ?? UIColor.white
+      webView.isOpaque = true
+      webView.backgroundColor = backgroundColor
+      webView.scrollView.backgroundColor = backgroundColor
+    }
+  }
+
+  private func getPermissionState() -> String {
+    var permissionState: String
+
+    switch AVCaptureDevice.authorizationStatus(for: .video) {
+    case .authorized:
+      permissionState = "granted"
+    case .denied:
+      permissionState = "denied"
+    default:
+      permissionState = "prompt"
+    }
+
+    return permissionState
+  }
+
+  @objc override func checkPermissions(_ invoke: Invoke) {
+    let permissionState = getPermissionState()
+    invoke.resolve(["camera": permissionState])
+  }
+
+  @objc override func requestPermissions(_ invoke: Invoke) {
+    let state = getPermissionState()
+    if state == "prompt" {
+      AVCaptureDevice.requestAccess(for: .video) { (authorized) in
+        invoke.resolve(["camera": authorized ? "granted" : "denied"])
+      }
+    } else {
+      invoke.resolve(["camera": state])
+    }
+  }
+
+  @objc func openAppSettings(_ invoke: Invoke) {
+    guard let settingsUrl = URL(string: UIApplication.openSettingsURLString) else {
+      return
+    }
+
+    DispatchQueue.main.async {
+      if UIApplication.shared.canOpenURL(settingsUrl) {
+        UIApplication.shared.open(
+          settingsUrl,
+          completionHandler: { (success) in
+            invoke.resolve()
+          })
+      }
+    }
+  }
+
+  private func runScanner(_ invoke: Invoke) {
+    scanFormats = [AVMetadataObject.ObjectType]()
+
+    if (invoke.data["formats"]) != nil {
+      let _scanFormats = invoke.getArray("formats", String.self)
+
+      if _scanFormats != nil && _scanFormats?.count ?? 0 > 0 {
+        _scanFormats?.forEach { targetedFormat in
+          if let value = SupportedFormat(rawValue: targetedFormat)?.value {
+            scanFormats.append(value)
+          }
+        }
+      }
+    }
+
+    if scanFormats.count == 0 {
+      for supportedFormat in SupportedFormat.allCases {
+        scanFormats.append(supportedFormat.value)
+      }
+    }
+
+    self.metaOutput!.metadataObjectTypes = self.scanFormats
+    self.captureSession!.startRunning()
+
+    self.isScanning = true
+  }
+
+  @objc private func scan(_ invoke: Invoke) {
+    self.invoke = invoke
+
+    var iOS14min: Bool = false
+    if #available(iOS 14.0, *) { iOS14min = true }
+    if !iOS14min && self.getPermissionState() != "granted" {
+      var authorized = false
+      AVCaptureDevice.requestAccess(for: .video) { (isAuthorized) in
+        authorized = isAuthorized
+      }
+      if !authorized {
+        invoke.reject("denied by the user")
+        return
+      }
+    }
+
+    DispatchQueue.main.async { [self] in
+      self.loadCamera()
+      self.dismantleCamera()
+      self.setupCamera(
+        direction: invoke.getString("cameraDirection") ?? "back",
+        windowed: invoke.getBool("windowed") ?? false
+      )
+      self.runScanner(invoke)
+    }
+  }
+
+  @objc private func cancel(_ invoke: Invoke) {
+    self.invoke?.reject("cancelled")
+
+    destroy()
+    invoke.resolve()
+  }
+}
+
+@_cdecl("init_plugin_barcode_scanner")
+func initPlugin() -> Plugin {
+  return BarcodeScannerPlugin()
+}

plugins/barcode-scanner/ios/Sources/CameraView.swift

@@ -0,0 +1,57 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import AVFoundation
+import UIKit
+
+class CameraView: UIView {
+  var videoPreviewLayer: AVCaptureVideoPreviewLayer?
+
+  func interfaceOrientationToVideoOrientation(_ orientation: UIInterfaceOrientation)
+    -> AVCaptureVideoOrientation
+  {
+    switch orientation {
+    case UIInterfaceOrientation.portrait:
+      return AVCaptureVideoOrientation.portrait
+    case UIInterfaceOrientation.portraitUpsideDown:
+      return AVCaptureVideoOrientation.portraitUpsideDown
+    case UIInterfaceOrientation.landscapeLeft:
+      return AVCaptureVideoOrientation.landscapeLeft
+    case UIInterfaceOrientation.landscapeRight:
+      return AVCaptureVideoOrientation.landscapeRight
+    default:
+      return AVCaptureVideoOrientation.portraitUpsideDown
+    }
+  }
+
+  override func layoutSubviews() {
+    super.layoutSubviews()
+    if let sublayers = self.layer.sublayers {
+      for layer in sublayers {
+        layer.frame = self.bounds
+      }
+    }
+
+    if let interfaceOrientation = UIApplication.shared.windows.first(where: { $0.isKeyWindow })?
+      .windowScene?.interfaceOrientation
+    {
+      self.videoPreviewLayer?.connection?.videoOrientation = interfaceOrientationToVideoOrientation(
+        interfaceOrientation)
+    }
+  }
+
+  func addPreviewLayer(_ previewLayer: AVCaptureVideoPreviewLayer?) {
+    previewLayer!.videoGravity = AVLayerVideoGravity.resizeAspectFill
+    previewLayer!.frame = self.bounds
+    self.layer.addSublayer(previewLayer!)
+    self.videoPreviewLayer = previewLayer
+  }
+
+  func removePreviewLayer() {
+    if self.videoPreviewLayer != nil {
+      self.videoPreviewLayer!.removeFromSuperlayer()
+      self.videoPreviewLayer = nil
+    }
+  }
+}

plugins/barcode-scanner/ios/Sources/Utils.swift

@@ -0,0 +1,81 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import AVFoundation
+
+func createCaptureDeviceInput(
+  cameraDirection: String, backCamera: AVCaptureDevice?, frontCamera: AVCaptureDevice?
+) throws
+  -> AVCaptureDeviceInput
+{
+  var captureDevice: AVCaptureDevice
+  if cameraDirection == "back" {
+    if backCamera != nil {
+      captureDevice = backCamera!
+    } else {
+      throw CaptureError.backCameraUnavailable
+    }
+  } else {
+    if frontCamera != nil {
+      captureDevice = frontCamera!
+    } else {
+      throw CaptureError.frontCameraUnavailable
+    }
+  }
+  let captureDeviceInput: AVCaptureDeviceInput
+  do {
+    captureDeviceInput = try AVCaptureDeviceInput(device: captureDevice)
+  } catch let error as NSError {
+    throw CaptureError.couldNotCaptureInput(error: error)
+  }
+  return captureDeviceInput
+}
+
+func discoverCaptureDevices() -> [AVCaptureDevice] {
+  if #available(iOS 13.0, *) {
+    return AVCaptureDevice.DiscoverySession(
+      deviceTypes: [
+        .builtInTripleCamera, .builtInDualCamera, .builtInTelephotoCamera,
+        .builtInTrueDepthCamera,
+        .builtInUltraWideCamera, .builtInDualWideCamera, .builtInWideAngleCamera,
+      ], mediaType: .video, position: .unspecified
+    ).devices
+  } else {
+    return AVCaptureDevice.DiscoverySession(
+      deviceTypes: [
+        .builtInDualCamera, .builtInWideAngleCamera, .builtInTelephotoCamera,
+        .builtInTrueDepthCamera,
+      ], mediaType: .video, position: .unspecified
+    ).devices
+  }
+}
+
+func formatStringFromMetadata(_ type: AVMetadataObject.ObjectType) -> String {
+  switch type {
+  case AVMetadataObject.ObjectType.upce:
+    return "UPC_E"
+  case AVMetadataObject.ObjectType.ean8:
+    return "EAN_8"
+  case AVMetadataObject.ObjectType.ean13:
+    return "EAN_13"
+  case AVMetadataObject.ObjectType.code39:
+    return "CODE_39"
+  case AVMetadataObject.ObjectType.code93:
+    return "CODE_93"
+  case AVMetadataObject.ObjectType.code128:
+    return "CODE_128"
+  case AVMetadataObject.ObjectType.interleaved2of5:
+    return "ITF"
+  case AVMetadataObject.ObjectType.aztec:
+    return "AZTEC"
+  case AVMetadataObject.ObjectType.dataMatrix:
+    return "DATA_MATRIX"
+  case AVMetadataObject.ObjectType.pdf417:
+    return "PDF_417"
+  case AVMetadataObject.ObjectType.qr:
+    return "QR_CODE"
+  default:
+    return type.rawValue
+  }
+}

plugins/barcode-scanner/ios/Tests/PluginTests/PluginTests.swift

@@ -0,0 +1,13 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import XCTest
+
+@testable import ExamplePlugin
+
+final class ExamplePluginTests: XCTestCase {
+  func testExample() throws {
+    let plugin = ExamplePlugin()
+  }
+}

plugins/barcode-scanner/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "@tauri-apps/plugin-barcode-scanner",
+  "version": "1.0.0",
+  "description": "Scan QR codes, EAN-13 and other kinds of barcodes on Android and iOS",
+  "license": "MIT or APACHE-2.0",
+  "authors": [
+    "Tauri Programme within The Commons Conservancy"
+  ],
+  "type": "module",
+  "browser": "dist-js/index.min.js",
+  "module": "dist-js/index.mjs",
+  "types": "dist-js/index.d.ts",
+  "exports": {
+    "import": "./dist-js/index.mjs",
+    "types": "./dist-js/index.d.ts",
+    "browser": "./dist-js/index.min.js"
+  },
+  "scripts": {
+    "build": "rollup -c"
+  },
+  "files": [
+    "dist-js",
+    "!dist-js/**/*.map",
+    "README.md",
+    "LICENSE"
+  ],
+  "devDependencies": {
+    "tslib": "^2.5.0"
+  },
+  "dependencies": {
+    "@tauri-apps/api": "2.0.0-alpha.8"
+  }
+}

plugins/barcode-scanner/rollup.config.mjs

@@ -0,0 +1,11 @@
+import { readFileSync } from "fs";
+
+import { createConfig } from "../../shared/rollup.config.mjs";
+
+export default createConfig({
+  input: "guest-js/index.ts",
+  pkg: JSON.parse(
+    readFileSync(new URL("./package.json", import.meta.url), "utf8"),
+  ),
+  external: [/^@tauri-apps\/api/],
+});

plugins/barcode-scanner/src/api-iife.js

@@ -0,0 +1 @@
+if("__TAURI__"in window){var __TAURI_BARCODESCANNER__=function(e){"use strict";var n=Object.defineProperty,t=(e,n,t)=>{if(!n.has(e))throw TypeError("Cannot "+t)},r=(e,n,r)=>(t(e,n,"read from private field"),r?r.call(e):n.get(e)),a=(e,n,r,a)=>(t(e,n,"write to private field"),a?a.call(e,r):n.set(e,r),r);function i(e,n=!1){let t=window.crypto.getRandomValues(new Uint32Array(1))[0],r=`_${t}`;return Object.defineProperty(window,r,{value:t=>(n&&Reflect.deleteProperty(window,r),e?.(t)),writable:!1,configurable:!0}),t}((e,t)=>{for(var r in t)n(e,r,{get:t[r],enumerable:!0})})({},{Channel:()=>c,PluginListener:()=>_,addPluginListener:()=>l,convertFileSrc:()=>u,invoke:()=>d,transformCallback:()=>i});var o,c=class{constructor(){this.__TAURI_CHANNEL_MARKER__=!0,((e,n,t)=>{if(n.has(e))throw TypeError("Cannot add the same private member more than once");n instanceof WeakSet?n.add(e):n.set(e,t)})(this,o,(()=>{})),this.id=i((e=>{r(this,o).call(this,e)}))}set onmessage(e){a(this,o,e)}get onmessage(){return r(this,o)}toJSON(){return`__CHANNEL__:${this.id}`}};o=new WeakMap;var s,_=class{constructor(e,n,t){this.plugin=e,this.event=n,this.channelId=t}async unregister(){return d(`plugin:${this.plugin}|remove_listener`,{event:this.event,channelId:this.channelId})}};async function l(e,n,t){let r=new c;return r.onmessage=t,d(`plugin:${e}|register_listener`,{event:n,handler:r}).then((()=>new _(e,n,r.id)))}async function d(e,n={},t){return new Promise(((r,a)=>{let o=i((e=>{r(e),Reflect.deleteProperty(window,`_${c}`)}),!0),c=i((e=>{a(e),Reflect.deleteProperty(window,`_${o}`)}),!0);window.__TAURI_IPC__({cmd:e,callback:o,error:c,payload:n,options:t})}))}function u(e,n="asset"){return window.__TAURI__.convertFileSrc(e,n)}return e.Format=void 0,(s=e.Format||(e.Format={})).QRCode="QR_CODE",s.UPC_A="UPC_A",s.UPC_E="UPC_E",s.EAN8="EAN_8",s.EAN13="EAN_13",s.Code39="CODE_39",s.Code93="CODE_93",s.Code128="CODE_128",s.Codabar="CODABAR",s.ITF="ITF",s.Aztec="AZTEC",s.DataMatrix="DATA_MATRIX",s.PDF417="PDF_417",e.cancel=async function(){return await d("plugin:barcodeScanner|cancel")},e.checkPermissions=async function(){return await d("plugin:barcodeScanner|checkPermissions").then((e=>e.camera))},e.openAppSettings=async function(){return await d("plugin:barcodeScanner|openAppSettings")},e.requestPermissions=async function(){return await d("plugin:barcodeScanner|requestPermissions").then((e=>e.camera))},e.scan=async function(e){return await d("plugin:barcodeScanner|scan",{...e})},e}({});Object.defineProperty(window.__TAURI__,"barcodeScanner",{value:__TAURI_BARCODESCANNER__})}

plugins/barcode-scanner/src/error.rs

@@ -0,0 +1,25 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+use serde::{ser::Serializer, Serialize};
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+    #[error(transparent)]
+    Io(#[from] std::io::Error),
+    #[cfg(mobile)]
+    #[error(transparent)]
+    PluginInvoke(#[from] tauri::plugin::mobile::PluginInvokeError),
+}
+
+impl Serialize for Error {
+    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        serializer.serialize_str(self.to_string().as_ref())
+    }
+}

plugins/barcode-scanner/src/lib.rs

@@ -0,0 +1,53 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+#![cfg(mobile)]
+
+use tauri::{
+    plugin::{Builder, PluginHandle, TauriPlugin},
+    Manager, Runtime,
+};
+
+pub use models::*;
+
+mod error;
+mod models;
+
+pub use error::{Error, Result};
+
+#[cfg(target_os = "android")]
+const PLUGIN_IDENTIFIER: &str = "app.tauri.barcodescanner";
+
+#[cfg(target_os = "ios")]
+tauri::ios_plugin_binding!(init_plugin_barcode_scanner);
+
+/// Access to the scanner APIs.
+pub struct BarcodeScanner<R: Runtime>(PluginHandle<R>);
+
+impl<R: Runtime> BarcodeScanner<R> {}
+
+/// Extensions to [`tauri::App`], [`tauri::AppHandle`] and [`tauri::Window`] to access the barcode scanner APIs.
+pub trait BarcodeScannerExt<R: Runtime> {
+    fn barcode_scanner(&self) -> &BarcodeScanner<R>;
+}
+
+impl<R: Runtime, T: Manager<R>> crate::BarcodeScannerExt<R> for T {
+    fn barcode_scanner(&self) -> &BarcodeScanner<R> {
+        self.state::<BarcodeScanner<R>>().inner()
+    }
+}
+
+/// Initializes the plugin.
+pub fn init<R: Runtime>() -> TauriPlugin<R> {
+    Builder::new("barcodeScanner")
+        .setup(|app, api| {
+            #[cfg(target_os = "android")]
+            let handle = api.register_android_plugin(PLUGIN_IDENTIFIER, "BarcodeScannerPlugin")?;
+            #[cfg(target_os = "ios")]
+            let handle = api.register_ios_plugin(init_plugin_barcode_scanner)?;
+            app.manage(BarcodeScanner(handle));
+            Ok(())
+        })
+        .build()
+}

plugins/barcode-scanner/src/mobile.rs

@@ -0,0 +1,3 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT

plugins/barcode-scanner/src/models.rs

@@ -0,0 +1,3 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT

plugins/barcode-scanner/tsconfig.json

@@ -0,0 +1,4 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "include": ["guest-js/*.ts"]
+}

plugins/notification/src/desktop.rs

@@ -14,7 +14,7 @@ pub fn init<R: Runtime, C: DeserializeOwned>(
     Ok(Notification(app.clone()))
 }
 
-/// Access to the {{ plugin_name }} APIs.
+/// Access to the notification APIs.
 pub struct Notification<R: Runtime>(AppHandle<R>);
 
 impl<R: Runtime> crate::NotificationBuilder<R> {

pnpm-lock.yaml

@@ -69,6 +69,9 @@ importers:
       '@tauri-apps/plugin-app':
         specifier: 2.0.0-alpha.1
         version: link:../../plugins/app
+      '@tauri-apps/plugin-barcode-scanner':
+        specifier: 1.0.0
+        version: link:../../plugins/barcode-scanner
       '@tauri-apps/plugin-cli':
         specifier: 2.0.0-alpha.1
         version: link:../../plugins/cli
@@ -167,6 +170,16 @@ importers:
         specifier: 2.6.0
         version: 2.6.0
 
+  plugins/barcode-scanner:
+    dependencies:
+      '@tauri-apps/api':
+        specifier: 2.0.0-alpha.8
+        version: 2.0.0-alpha.8
+    devDependencies:
+      tslib:
+        specifier: ^2.5.0
+        version: 2.6.0
+
   plugins/cli:
     dependencies:
       '@tauri-apps/api':