adapter: Flutter 3.0.1

CHANGELOG.md

@@ -1,3 +1,10 @@
+## [3.2.0]
+
+* Flutter 3.0.1
+* Dart 2.17.1
+* fix something
+* improve something
+
 ## [3.1.0]
 
 * Flutter 3.0.1

android/build.gradle

@@ -6,7 +6,7 @@ buildscript {
     ext.android_gradle_version = '7.2.0'
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
@@ -18,8 +18,7 @@ buildscript {
 rootProject.allprojects {
     repositories {
         google()
-        // mavenCentral()
-        jcenter()
+        mavenCentral()
     }
 }
 
@@ -30,6 +29,9 @@ android {
     compileSdkVersion 31
 
     compileOptions {
+        // Flag to enable support for the new language APIs
+        coreLibraryDesugaringEnabled true
+        // Sets Java compatibility to Java 8
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
@@ -43,11 +45,16 @@ android {
     }
 
     defaultConfig {
-        minSdkVersion 16
+        multiDexEnabled true
+        minSdkVersion 19
     }
 }
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'me.dm7.barcodescanner:zxing:1.9.13'    
+
+    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'
+
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
+    implementation "androidx.multidex:multidex:2.0.1"
 }

android/src/main/kotlin/com/air/ai_barcode/AndroidCreatorView.kt

@@ -17,7 +17,7 @@ import io.flutter.plugin.common.EventChannel
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 import io.flutter.plugin.platform.PlatformView
-import me.dm7.barcodescanner.zxing.ZXingScannerView
+
 import java.util.*
 
 
@@ -29,7 +29,12 @@ import java.util.*
  * Create QRCode view
  * </p>
  */
-class AndroidCreatorView(binaryMessenger: BinaryMessenger, context: Context?, viewid: Int, args: Any?) : PlatformView, MethodChannel.MethodCallHandler, EventChannel.StreamHandler {
+class AndroidCreatorView(
+    binaryMessenger: BinaryMessenger,
+    context: Context?,
+    viewid: Int,
+    args: Any?
+) : PlatformView, MethodChannel.MethodCallHandler, EventChannel.StreamHandler {
     /**
      * 用于向Flutter发送数据
      */
@@ -74,12 +79,14 @@ class AndroidCreatorView(binaryMessenger: BinaryMessenger, context: Context?, vi
         /*
         MethodChannel
          */
-        var methodChannel: MethodChannel = MethodChannel(binaryMessenger, "view_type_id_creator_view_method_channel");
+        var methodChannel: MethodChannel =
+            MethodChannel(binaryMessenger, "view_type_id_creator_view_method_channel");
         methodChannel.setMethodCallHandler(this);
         /*
         EventChannel
          */
-        var eventChannel: EventChannel = EventChannel(binaryMessenger, "view_type_id_creator_view_event_channel");
+        var eventChannel: EventChannel =
+            EventChannel(binaryMessenger, "view_type_id_creator_view_event_channel");
         eventChannel.setStreamHandler(this);
     }
 
@@ -113,7 +120,7 @@ class AndroidCreatorView(binaryMessenger: BinaryMessenger, context: Context?, vi
 
 
     private fun createQRImage(
-            content: String?, widthPix: Int, heightPix: Int
+        content: String?, widthPix: Int, heightPix: Int
     ): Bitmap? {
         try {
             val hints = HashMap<EncodeHintType, Any>()
@@ -123,8 +130,8 @@ class AndroidCreatorView(binaryMessenger: BinaryMessenger, context: Context?, vi
             var bitMatrix: BitMatrix? = null
             try {
                 bitMatrix = QRCodeWriter().encode(
-                        content, BarcodeFormat.QR_CODE, widthPix,
-                        heightPix, hints
+                    content, BarcodeFormat.QR_CODE, widthPix,
+                    heightPix, hints
                 )
             } catch (e: WriterException) {
 

android/src/main/kotlin/com/air/ai_barcode/AndroidScannerView.kt

@@ -4,20 +4,28 @@ import android.content.Context
 import android.view.View
 import android.widget.LinearLayout
 import android.widget.TextView
-import com.google.zxing.Result
+import com.google.zxing.BarcodeFormat
+import com.google.zxing.ResultPoint
+import com.journeyapps.barcodescanner.*
 import io.flutter.plugin.common.BinaryMessenger
 import io.flutter.plugin.common.EventChannel
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 import io.flutter.plugin.platform.PlatformView
-import me.dm7.barcodescanner.zxing.ZXingScannerView
+
 
 /**
  * <p>
  * Created by air on 2019-12-02.
  * </p>
  */
-class AndroidScannerView(binaryMessenger: BinaryMessenger, context: Context?, viewid: Int, args: Any?) : PlatformView, MethodChannel.MethodCallHandler, EventChannel.StreamHandler, ZXingScannerView.ResultHandler {
+class AndroidScannerView(
+    binaryMessenger: BinaryMessenger,
+    context: Context?,
+    viewid: Int,
+    args: Any?
+) : PlatformView, MethodChannel.MethodCallHandler, EventChannel.StreamHandler, BarcodeCallback {
+
     /**
      * 用于向Flutter发送数据
      */
@@ -29,13 +37,24 @@ class AndroidScannerView(binaryMessenger: BinaryMessenger, context: Context?, vi
     override fun onCancel(arguments: Any?) {
     }
 
-    /**
-     * 识别二维码结果
-     */
-    override fun handleResult(rawResult: Result?) {
 
-        this.channelResult.success("${rawResult?.toString()}");
-//        this.eventChannelSink?.success("${rawResult?.toString()}")
+    override fun barcodeResult(result: BarcodeResult?) {
+
+        if (result == null) {
+            return;
+        }
+        if (result.text == null || result.text == mLastText) {
+            // Prevent duplicate scans
+            return
+        }
+
+        mLastText = result.text
+
+        this.channelResult.success(result.text.toString());
+    }
+
+    override fun possibleResultPoints(resultPoints: MutableList<ResultPoint>?) {
+        super.possibleResultPoints(resultPoints)
     }
 
     /**
@@ -59,34 +78,56 @@ class AndroidScannerView(binaryMessenger: BinaryMessenger, context: Context?, vi
     /**
      * 二维码扫描组件
      */
-    var zxing: ZXingScannerView = ZXingScannerView(context);
-    var linear: LinearLayout = LinearLayout(context);
-    var textView: TextView = TextView(context);
+    var mContext: Context? = context;
+    var mZXingBarcode: DecoratedBarcodeView = DecoratedBarcodeView(context);
+
+
+    var mTextView: TextView = TextView(context);
+    var mLastText: String = "";
 
 
     lateinit var channelResult: MethodChannel.Result;
     var eventChannelSink: EventChannel.EventSink? = null;
 
     init {
-        textView.setText("Scanner view");
+        mTextView.text = "Scanner view";
         /*
         MethodChannel
          */
-        var methodChannel: MethodChannel = MethodChannel(binaryMessenger, "view_type_id_scanner_view_method_channel");
+        val methodChannel: MethodChannel =
+            MethodChannel(binaryMessenger, "view_type_id_scanner_view_method_channel");
         methodChannel.setMethodCallHandler(this);
         /*
         EventChannel
          */
-        var eventChannel: EventChannel = EventChannel(binaryMessenger, "view_type_id_scanner_view_event_channel");
+        val eventChannel: EventChannel =
+            EventChannel(binaryMessenger, "view_type_id_scanner_view_event_channel");
         eventChannel.setStreamHandler(this);
     }
 
     override fun getView(): View {
 
-
-        zxing.setAutoFocus(true);
-        zxing.setAspectTolerance(0.5f);
-        return zxing;
+        val formats: Collection<BarcodeFormat> =
+            listOf(
+                BarcodeFormat.UPC_A,
+                BarcodeFormat.UPC_E,
+                BarcodeFormat.EAN_8,
+                BarcodeFormat.EAN_13,
+                BarcodeFormat.RSS_14,
+                BarcodeFormat.CODE_39,
+                BarcodeFormat.CODE_93,
+                BarcodeFormat.CODE_128,
+                BarcodeFormat.ITF,
+                BarcodeFormat.RSS_EXPANDED,
+                BarcodeFormat.QR_CODE,
+                BarcodeFormat.CODABAR,
+            )
+        mZXingBarcode.barcodeView.decoderFactory = DefaultDecoderFactory(formats)
+        mZXingBarcode.setStatusText("")
+        mZXingBarcode.decodeContinuous(this)
+
+
+        return mZXingBarcode;
     }
 
     override fun dispose() {
@@ -99,30 +140,30 @@ class AndroidScannerView(binaryMessenger: BinaryMessenger, context: Context?, vi
     }
 
     private fun startCamera() {
-        zxing.startCamera();
+        mZXingBarcode.pauseAndWait();
     }
 
     private fun stopCamera() {
-        zxing.stopCamera();
+        mZXingBarcode.pause();
     }
 
     private fun resumeCameraPreview() {
-        zxing.resumeCameraPreview(this);
+        mZXingBarcode.resume()
     }
 
     private fun stopCameraPreview() {
-        zxing.stopCameraPreview();
+        mZXingBarcode.pauseAndWait();
     }
 
     private fun openFlash() {
-        zxing.flash = true;
+//        zxing.flash = true;
     }
 
     private fun closeFlash() {
-        zxing.flash = false;
+//        zxing.flash = false;
     }
 
     private fun toggleFlash() {
-        zxing.toggleFlash();
+//        zxing.toggleFlash();
     }
 }

example/.metadata

@@ -1,10 +1,45 @@
 # This file tracks properties of this Flutter project.
 # Used by Flutter tool to assess capabilities and perform upgrades etc.
 #
-# This file should be version controlled and should not be manually edited.
+# This file should be version controlled.
 
 version:
-  revision: c06bf6503a8b6690b2740a7101852fcc8f133057
-  channel: master
+  revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+  channel: stable
 
 project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+      base_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+    - platform: android
+      create_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+      base_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+    - platform: ios
+      create_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+      base_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+    - platform: linux
+      create_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+      base_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+    - platform: macos
+      create_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+      base_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+    - platform: web
+      create_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+      base_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+    - platform: windows
+      create_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+      base_revision: fb57da5f945d02ef4f98dfd9409a72b7cce74268
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

example/android/.gitignore

@@ -5,3 +5,9 @@ gradle-wrapper.jar
 /gradlew.bat
 /local.properties
 GeneratedPluginRegistrant.java
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
+key.properties
+**/*.keystore
+**/*.jks

example/android/app/build.gradle

@@ -26,24 +26,31 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion flutter.compileSdkVersion
+    ndkVersion flutter.ndkVersion
 
-    sourceSets {
-        main.java.srcDirs += 'src/main/kotlin'
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
     }
 
-    lintOptions {
-        disable 'InvalidPackage'
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
     }
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.air.ai_barcode_example"
-        minSdkVersion 16
-        targetSdkVersion 28
+        applicationId "com.air.example"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
+        minSdkVersion 19
+        targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -61,7 +68,4 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
 }