feat: Use hint and return barcode format

.github/workflows/basic-tests.yml

@@ -16,4 +16,40 @@ jobs:
 
   build-packages:
     needs: 'setup'
-    uses: ./.github/workflows/reusable_build-packages.yml
+    uses: ./.github/workflows/reusable_build-packages.yml
+
+  verify-plugin:
+    needs: ['setup', 'lint-test', 'build-packages']
+    runs-on: 'macos-14'
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - name: 'Setup Tools'
+        uses: ./.github/actions/setup-tools
+      - name: 'Verify iOS + Android + Web'
+        working-directory: ./plugin
+        run: npm run verify
+
+  build-example-app:
+    needs: ['verify-plugin']
+    runs-on: 'macos-14'
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - name: 'Setup Tools'
+        uses: ./.github/actions/setup-tools
+      - name: 'Build plugin'
+        working-directory: ./plugin
+        run: npm run build
+      - name: 'Build Web example app'
+        working-directory: ./example-app
+        run: npm run build
+      - name: 'Sync example app native platforms'
+        working-directory: ./example-app
+        run: npx cap sync
+      - name: 'Build Android example app'
+        working-directory: ./example-app/android
+        run: ./gradlew clean assembleDebug
+      - name: 'Build iOS example app'
+        working-directory: ./example-app/ios/App
+        run: xcodebuild clean build -workspace App.xcworkspace -scheme App CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO

.github/workflows/reusable_lint-packages.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   lint:
-    runs-on: 'macos-13'
+    runs-on: 'macos-14'
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3

.github/workflows/reusable_setup.yml

@@ -10,7 +10,7 @@ jobs:
   setup:
     strategy:
       matrix:
-        os: ['ubuntu-22.04', 'macos-13']
+        os: ['ubuntu-22.04', 'macos-14']
     runs-on: ${{ matrix.os }}
     timeout-minutes: 30
     steps:

CHANGELOG.md

@@ -5,8 +5,9 @@ See [Conventional Commits](https://conventionalcommits.org) for commit guideline
 
 ## [2.0.4](https://github.com/ionic-team/capacitor-barcode-scanner/compare/v2.0.3...v2.0.4) (2025-08-20)
 
-**Note:** Version bump only for package root
+### Performance improvements
 
+* (android) Reduce memory consumption for ML Kit ([#82](https://github.com/ionic-team/capacitor-barcode-scanner/pull/82))
 
 
 

README.md

@@ -19,10 +19,14 @@ ext {
 }
 ```
 
+Note: Android with `ZXING` scanning library supports all formats, while `MLKIT` supports all but `MAXICODE`, `RSS_14`, `RSS_EXPANDED` and `UPC_EAN_EXTENSION` - using one of these in `hint` will default to scanning any format.
+
 #### iOS
 
 The barcode scanner uses the camera on the device. Ensure you configure the Privacy - Camera Usage Description in your Info.plist file so that your application can access the device's camera.
 
+Note: iOS supports all formats but `MAXICODE` and `UPC_EAN_EXTENSION` - using them in `hint` will default to scanning any format. Also, Apple Vision does not distinguish between `UPC_A` and `EAN_13`, so specifying one of these in `hint` will allow to scan both.
+
 ---
 
 ## API
@@ -63,14 +67,7 @@ scanBarcode(options: CapacitorBarcodeScannerOptions) => Promise<CapacitorBarcode
 
 Defines the structure of the result returned from a barcode scan.
 
-<code>{ ScanResult: string }</code>
-
-
-#### CapacitorBarcodeScannerOptions
-
-Defines the options for configuring a barcode scan.
-
-<code>{ hint: <a href="#capacitorbarcodescannertypehint">CapacitorBarcodeScannerTypeHint</a>; scanInstructions?: string; scanButton?: boolean; scanText?: string; cameraDirection?: <a href="#capacitorbarcodescannercameradirection">CapacitorBarcodeScannerCameraDirection</a>; scanOrientation?: <a href="#capacitorbarcodescannerscanorientation">CapacitorBarcodeScannerScanOrientation</a>; android?: { scanningLibrary?: <a href="#capacitorbarcodescannerandroidscanninglibrary">CapacitorBarcodeScannerAndroidScanningLibrary</a>; }; web?: { showCameraSelection?: boolean; scannerFPS?: number; }; }</code>
+<code>{ ScanResult: string; format: <a href="#capacitorbarcodescannertypehint">CapacitorBarcodeScannerTypeHint</a>; }</code>
 
 
 #### CapacitorBarcodeScannerTypeHint
@@ -83,6 +80,13 @@ to represent the hint for the type of barcode to be scanned.
 <code><a href="#html5qrcodesupportedformats">Html5QrcodeSupportedFormats</a> | <a href="#capacitorbarcodescannertypehintalloption">CapacitorBarcodeScannerTypeHintALLOption</a></code>
 
 
+#### CapacitorBarcodeScannerOptions
+
+Defines the options for configuring a barcode scan.
+
+<code>{ hint: <a href="#capacitorbarcodescannertypehint">CapacitorBarcodeScannerTypeHint</a>; scanInstructions?: string; scanButton?: boolean; scanText?: string; cameraDirection?: <a href="#capacitorbarcodescannercameradirection">CapacitorBarcodeScannerCameraDirection</a>; scanOrientation?: <a href="#capacitorbarcodescannerscanorientation">CapacitorBarcodeScannerScanOrientation</a>; android?: { scanningLibrary?: <a href="#capacitorbarcodescannerandroidscanninglibrary">CapacitorBarcodeScannerAndroidScanningLibrary</a>; }; web?: { showCameraSelection?: boolean; scannerFPS?: number; }; }</code>
+
+
 ### Enums
 
 

example-app/CHANGELOG.md

@@ -5,7 +5,9 @@ See [Conventional Commits](https://conventionalcommits.org) for commit guideline
 
 ## [2.0.4](https://github.com/ionic-team/capacitor-barcode-scanner/compare/v2.0.3...v2.0.4) (2025-08-20)
 
-**Note:** Version bump only for package example-app
+### Performance improvements
+
+* (android) Reduce memory consumption for ML Kit ([#82](https://github.com/ionic-team/capacitor-barcode-scanner/pull/82))
 
 
 

example-app/android/app/capacitor.build.gradle

@@ -9,11 +9,7 @@ android {
 
 apply from: "../capacitor-cordova-android-plugins/cordova.variables.gradle"
 dependencies {
-    implementation project(':capacitor-app')
     implementation project(':capacitor-barcode-scanner')
-    implementation project(':capacitor-haptics')
-    implementation project(':capacitor-keyboard')
-    implementation project(':capacitor-status-bar')
 
 }
 

example-app/android/capacitor.settings.gradle

@@ -1,18 +1,6 @@
 // DO NOT EDIT THIS FILE! IT IS GENERATED EACH TIME "capacitor update" IS RUN
 include ':capacitor-android'
-project(':capacitor-android').projectDir = new File('../../node_modules/.pnpm/@capacitor+android@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/android/capacitor')
-
-include ':capacitor-app'
-project(':capacitor-app').projectDir = new File('../../node_modules/.pnpm/@capacitor+app@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/app/android')
+project(':capacitor-android').projectDir = new File('../../node_modules/.pnpm/@capacitor+android@7.4.3_@capacitor+core@7.4.3/node_modules/@capacitor/android/capacitor')
 
 include ':capacitor-barcode-scanner'
 project(':capacitor-barcode-scanner').projectDir = new File('../../plugin/android')
-
-include ':capacitor-haptics'
-project(':capacitor-haptics').projectDir = new File('../../node_modules/.pnpm/@capacitor+haptics@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/haptics/android')
-
-include ':capacitor-keyboard'
-project(':capacitor-keyboard').projectDir = new File('../../node_modules/.pnpm/@capacitor+keyboard@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/keyboard/android')
-
-include ':capacitor-status-bar'
-project(':capacitor-status-bar').projectDir = new File('../../node_modules/.pnpm/@capacitor+status-bar@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/status-bar/android')

example-app/ios/App/Podfile

@@ -1,4 +1,4 @@
-require_relative '../../../node_modules/.pnpm/@capacitor+ios@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/ios/scripts/pods_helpers'
+require_relative '../../../node_modules/.pnpm/@capacitor+ios@7.4.3_@capacitor+core@7.4.3/node_modules/@capacitor/ios/scripts/pods_helpers'
 
 platform :ios, '14.0'
 use_frameworks!
@@ -9,13 +9,9 @@ use_frameworks!
 install! 'cocoapods', :disable_input_output_paths => true
 
 def capacitor_pods
-  pod 'Capacitor', :path => '../../../node_modules/.pnpm/@capacitor+ios@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/ios'
-  pod 'CapacitorCordova', :path => '../../../node_modules/.pnpm/@capacitor+ios@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/ios'
-  pod 'CapacitorApp', :path => '../../../node_modules/.pnpm/@capacitor+app@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/app'
+  pod 'Capacitor', :path => '../../../node_modules/.pnpm/@capacitor+ios@7.4.3_@capacitor+core@7.4.3/node_modules/@capacitor/ios'
+  pod 'CapacitorCordova', :path => '../../../node_modules/.pnpm/@capacitor+ios@7.4.3_@capacitor+core@7.4.3/node_modules/@capacitor/ios'
   pod 'CapacitorBarcodeScanner', :path => '../../../plugin'
-  pod 'CapacitorHaptics', :path => '../../../node_modules/.pnpm/@capacitor+haptics@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/haptics'
-  pod 'CapacitorKeyboard', :path => '../../../node_modules/.pnpm/@capacitor+keyboard@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/keyboard'
-  pod 'CapacitorStatusBar', :path => '../../../node_modules/.pnpm/@capacitor+status-bar@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/status-bar'
 end
 
 target 'App' do

example-app/ios/App/Podfile.lock

@@ -1,59 +1,35 @@
 PODS:
-  - Capacitor (7.0.0-rc.0):
+  - Capacitor (7.4.3):
     - CapacitorCordova
-  - CapacitorApp (7.0.0-rc.0):
+  - CapacitorBarcodeScanner (2.0.4):
     - Capacitor
-  - CapacitorBarcodeScanner (2.0.1):
-    - Capacitor
-    - OSBarcodeLib (~> 1.1.3)
-  - CapacitorCordova (7.0.0-rc.0)
-  - CapacitorHaptics (7.0.0-rc.0):
-    - Capacitor
-  - CapacitorKeyboard (7.0.0-rc.0):
-    - Capacitor
-  - CapacitorStatusBar (7.0.0-rc.0):
-    - Capacitor
-  - OSBarcodeLib (1.1.3)
+    - OSBarcodeLib (= 2.0.1)
+  - CapacitorCordova (7.4.3)
+  - OSBarcodeLib (2.0.1)
 
 DEPENDENCIES:
-  - "Capacitor (from `../../../node_modules/.pnpm/@capacitor+ios@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/ios`)"
-  - "CapacitorApp (from `../../../node_modules/.pnpm/@capacitor+app@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/app`)"
+  - "Capacitor (from `../../../node_modules/.pnpm/@capacitor+ios@7.4.3_@capacitor+core@7.4.3/node_modules/@capacitor/ios`)"
   - CapacitorBarcodeScanner (from `../../../plugin`)
-  - "CapacitorCordova (from `../../../node_modules/.pnpm/@capacitor+ios@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/ios`)"
-  - "CapacitorHaptics (from `../../../node_modules/.pnpm/@capacitor+haptics@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/haptics`)"
-  - "CapacitorKeyboard (from `../../../node_modules/.pnpm/@capacitor+keyboard@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/keyboard`)"
-  - "CapacitorStatusBar (from `../../../node_modules/.pnpm/@capacitor+status-bar@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/status-bar`)"
+  - "CapacitorCordova (from `../../../node_modules/.pnpm/@capacitor+ios@7.4.3_@capacitor+core@7.4.3/node_modules/@capacitor/ios`)"
 
 SPEC REPOS:
   trunk:
     - OSBarcodeLib
 
 EXTERNAL SOURCES:
   Capacitor:
-    :path: "../../../node_modules/.pnpm/@capacitor+ios@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/ios"
-  CapacitorApp:
-    :path: "../../../node_modules/.pnpm/@capacitor+app@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/app"
+    :path: "../../../node_modules/.pnpm/@capacitor+ios@7.4.3_@capacitor+core@7.4.3/node_modules/@capacitor/ios"
   CapacitorBarcodeScanner:
     :path: "../../../plugin"
   CapacitorCordova:
-    :path: "../../../node_modules/.pnpm/@capacitor+ios@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/ios"
-  CapacitorHaptics:
-    :path: "../../../node_modules/.pnpm/@capacitor+haptics@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/haptics"
-  CapacitorKeyboard:
-    :path: "../../../node_modules/.pnpm/@capacitor+keyboard@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/keyboard"
-  CapacitorStatusBar:
-    :path: "../../../node_modules/.pnpm/@capacitor+status-bar@7.0.0-rc.0_@capacitor+core@7.0.0-rc.0/node_modules/@capacitor/status-bar"
+    :path: "../../../node_modules/.pnpm/@capacitor+ios@7.4.3_@capacitor+core@7.4.3/node_modules/@capacitor/ios"
 
 SPEC CHECKSUMS:
-  Capacitor: e79eb426d47f13ee0e2fdaff9ef0e9990db34a48
-  CapacitorApp: a50750608d62c0ff1fe7f33d38365dd915bb0f31
-  CapacitorBarcodeScanner: 67bdccc07abc05c3993e83da0196fedef7f5d508
-  CapacitorCordova: 8f4f6826f0b40f7b506eb13b832039b7140a88b4
-  CapacitorHaptics: 51c7ca77b24d5448bd716db4f6d5b47302ab9566
-  CapacitorKeyboard: 342c56b26934429f58ec25fdbe9d4b6553969f8d
-  CapacitorStatusBar: 89f0dc71f6544cef1dd250dfdb347a25547532b4
-  OSBarcodeLib: f2e981270a64faf476cb790864262b29ab8cd68a
+  Capacitor: b4741ca7affb32c1b70debd03df92cbf522d8a80
+  CapacitorBarcodeScanner: b8a3d4ed0a0d2ed2cd78a16b76737cacbf8da207
+  CapacitorCordova: 435121e81a2df4d0034f0fb11fcefab5104cfdb5
+  OSBarcodeLib: 57987d2eb1f916f701f4554e20e349b3cb83f023
 
-PODFILE CHECKSUM: 7bd915a9b237ee006f510f6135ab6eb2a3e55593
+PODFILE CHECKSUM: fdf735c62a9097dffa919e728a30c55c44e3a7f6
 
 COCOAPODS: 1.16.2

example-app/package.json

@@ -12,16 +12,12 @@
     "lint": "eslint"
   },
   "dependencies": {
-    "@capacitor/android": "next",
-    "@capacitor/app": "next",
+    "@capacitor/android": "^7.0.0",
     "@capacitor/barcode-scanner": "workspace:*",
-    "@capacitor/core": "next",
-    "@capacitor/haptics": "next",
-    "@capacitor/ios": "next",
-    "@capacitor/keyboard": "next",
-    "@capacitor/status-bar": "next",
-    "@ionic/react": "^7.0.0",
-    "@ionic/react-router": "^7.0.0",
+    "@capacitor/core": "^7.0.0",
+    "@capacitor/ios": "^7.0.0",
+    "@ionic/react": "^8.7.0",
+    "@ionic/react-router": "^8.7.0",
     "@types/react-router": "^5.1.20",
     "@types/react-router-dom": "^5.3.3",
     "ionicons": "^7.0.0",
@@ -31,7 +27,7 @@
     "react-router-dom": "^5.3.4"
   },
   "devDependencies": {
-    "@capacitor/cli": "next",
+    "@capacitor/cli": "^7.0.0",
     "@testing-library/dom": ">=7.21.4",
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^14.0.0",

example-app/src/pages/Home.css

@@ -0,0 +1,5 @@
+.scanner-textarea {
+  max-height: 200px;  /* can grow up to 200px */
+  overflow-y: auto;   /* scroll if content exceeds max */
+  white-space: pre-wrap;
+}