imp: upgrade compile sdk, fix custom frame

android/build.gradle

@@ -2,14 +2,14 @@ group 'net.touchcapture.qr.flutterqr'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.5.10'
+    ext.kotlin_version = '1.5.31'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.1'
+        classpath 'com.android.tools.build:gradle:7.0.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -36,9 +36,7 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled true
     }
-    buildFeatures {
-        viewBinding = true
-    }
+
     compileOptions {
         // Flag to enable support for the new language APIs
         coreLibraryDesugaringEnabled true
@@ -51,7 +49,7 @@ android {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation('com.journeyapps:zxing-android-embedded:4.1.0') { transitive = false }
-    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation 'com.google.zxing:core:3.4.1'
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
 }

android/src/main/AndroidManifest.xml

@@ -1,4 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="net.touchcapture.qr.flutterqr" 
-  xmlns:tools="http://schemas.android.com/tools">
+<manifest package="net.touchcapture.qr.flutterqr"
+    xmlns:tools="http://schemas.android.com/tools">
   <uses-sdk tools:overrideLibrary="com.google.zxing.client.android" />
 </manifest>

android/src/main/kotlin/net/touchcapture/qr/flutterqr/CustomFramingRectBarcodeView.java

@@ -1,50 +0,0 @@
-package net.touchcapture.qr.flutterqr;
-
-import android.content.Context;
-import android.graphics.Rect;
-import android.util.AttributeSet;
-
-import com.journeyapps.barcodescanner.BarcodeView;
-import com.journeyapps.barcodescanner.Size;
-
-public class CustomFramingRectBarcodeView extends BarcodeView {
-
-    private static final int BOTTOM_OFFSET_NOT_SET_VALUE = -1;
-
-    private int bottomOffset = BOTTOM_OFFSET_NOT_SET_VALUE;
-
-    public CustomFramingRectBarcodeView(Context context) {
-        super(context);
-    }
-
-    public CustomFramingRectBarcodeView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public CustomFramingRectBarcodeView(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    @Override
-    protected Rect calculateFramingRect(Rect container, Rect surface) {
-        Rect containerArea = new Rect(container);
-        boolean intersects = containerArea.intersect(surface);//adjusts the containerArea (code from super.calculateFramingRect)
-        Rect scanAreaRect = super.calculateFramingRect(container, surface);
-        if (bottomOffset != BOTTOM_OFFSET_NOT_SET_VALUE) {//if the setFramingRect function was called, then we shift the scan area by Y
-            Rect scanAreaRectWithOffset = new Rect(scanAreaRect);
-            scanAreaRectWithOffset.bottom -= bottomOffset;
-            scanAreaRectWithOffset.top -= bottomOffset;
-
-            boolean belongsToContainer = scanAreaRectWithOffset.intersect(containerArea);
-            if(belongsToContainer){
-                return scanAreaRectWithOffset;
-            }
-        }
-        return scanAreaRect;
-    }
-
-    public void setFramingRect(int rectWidth, int rectHeight, int bottomOffset) {
-        this.bottomOffset = bottomOffset;
-        this.setFramingRectSize(new Size(rectWidth, rectHeight));
-    }
-}

android/src/main/kotlin/net/touchcapture/qr/flutterqr/CustomFramingRectBarcodeView.kt

@@ -0,0 +1,45 @@
+package net.touchcapture.qr.flutterqr
+
+import android.content.Context
+import android.graphics.Rect
+import android.util.AttributeSet
+import com.journeyapps.barcodescanner.BarcodeView
+import com.journeyapps.barcodescanner.Size
+
+class CustomFramingRectBarcodeView : BarcodeView {
+    private var bottomOffset = BOTTOM_OFFSET_NOT_SET_VALUE
+
+    constructor(context: Context?) : super(context) {}
+    constructor(context: Context?, attrs: AttributeSet?) : super(context, attrs) {}
+    constructor(context: Context?, attrs: AttributeSet?, defStyleAttr: Int) : super(
+        context,
+        attrs,
+        defStyleAttr
+    )
+
+    override fun calculateFramingRect(container: Rect, surface: Rect): Rect {
+        val containerArea = Rect(container)
+        val intersects =
+            containerArea.intersect(surface) //adjusts the containerArea (code from super.calculateFramingRect)
+        val scanAreaRect = super.calculateFramingRect(container, surface)
+        if (bottomOffset != BOTTOM_OFFSET_NOT_SET_VALUE) { //if the setFramingRect function was called, then we shift the scan area by Y
+            val scanAreaRectWithOffset = Rect(scanAreaRect)
+            scanAreaRectWithOffset.bottom -= bottomOffset
+            scanAreaRectWithOffset.top -= bottomOffset
+            val belongsToContainer = scanAreaRectWithOffset.intersect(containerArea)
+            if (belongsToContainer) {
+                return scanAreaRectWithOffset
+            }
+        }
+        return scanAreaRect
+    }
+
+    fun setFramingRect(rectWidth: Int, rectHeight: Int, bottomOffset: Int) {
+        this.bottomOffset = bottomOffset
+        framingRectSize = Size(rectWidth, rectHeight)
+    }
+
+    companion object {
+        private const val BOTTOM_OFFSET_NOT_SET_VALUE = -1
+    }
+}

android/src/main/kotlin/net/touchcapture/qr/flutterqr/FlutterQrPlugin.kt

@@ -1,65 +1,43 @@
 package net.touchcapture.qr.flutterqr
 
-import android.app.Activity
-import android.content.pm.PackageManager
 import androidx.annotation.NonNull
 import io.flutter.embedding.engine.plugins.FlutterPlugin
 import io.flutter.embedding.engine.plugins.activity.ActivityAware
 import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
-import io.flutter.plugin.common.BinaryMessenger
-import io.flutter.plugin.common.PluginRegistry
-import io.flutter.plugin.platform.PlatformViewRegistry
+import net.touchcapture.qr.flutterqr.Shared.activity
 
 class FlutterQrPlugin : FlutterPlugin, ActivityAware {
 
-    /** Plugin registration embedding v1 */
-    companion object {
-        @JvmStatic
-        fun registerWith(registrar: PluginRegistry.Registrar) {
-            FlutterQrPlugin().onAttachedToV1(registrar)
-        }
-    }
-
-    private fun onAttachedToV1(registrar: PluginRegistry.Registrar) {
-        Shared.registrar = registrar
-        onAttachedToEngines(registrar.platformViewRegistry(), registrar.messenger(), registrar.activity())
-    }
-
     /** Plugin registration embedding v2 */
     override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
-        onAttachedToEngines(flutterPluginBinding.platformViewRegistry, flutterPluginBinding.binaryMessenger, Shared.activity)
+        if (activity != null) {
+            activity = activity
+        }
+        flutterPluginBinding.platformViewRegistry
+            .registerViewFactory(
+                "net.touchcapture.qr.flutterqr/qrview", QRViewFactory(flutterPluginBinding.binaryMessenger))
     }
 
     override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) {
     }
 
-    /** Plugin start for both embedding v1 & v2 */
-    private fun onAttachedToEngines(platformViewRegistry: PlatformViewRegistry, messenger: BinaryMessenger, activity: Activity?) {
-        if (activity != null) {
-            Shared.activity = activity
-        }
-        platformViewRegistry
-                .registerViewFactory(
-                        "net.touchcapture.qr.flutterqr/qrview", QRViewFactory(messenger))
-    }
-
     override fun onAttachedToActivity(activityPluginBinding: ActivityPluginBinding) {
-        Shared.activity = activityPluginBinding.activity
+        activity = activityPluginBinding.activity
         Shared.binding = activityPluginBinding
     }
 
     override fun onDetachedFromActivityForConfigChanges() {
-        Shared.activity = null
+        activity = null
         Shared.binding = null
     }
 
     override fun onReattachedToActivityForConfigChanges(activityPluginBinding: ActivityPluginBinding) {
-        Shared.activity = activityPluginBinding.activity
+        activity = activityPluginBinding.activity
         Shared.binding = activityPluginBinding
     }
 
     override fun onDetachedFromActivity() {
-        Shared.activity = null
+        activity = null
         Shared.binding = null
     }
     

android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt

@@ -34,10 +34,6 @@ class QRView(private val context: Context, messenger: BinaryMessenger, private v
             Shared.binding!!.addRequestPermissionsResultListener(this)
         }
 
-        if (Shared.registrar != null) {
-            Shared.registrar!!.addRequestPermissionsResultListener(this)
-        }
-
         channel.setMethodCallHandler(this)
         Shared.activity?.application?.registerActivityLifecycleCallbacks(object : Application.ActivityLifecycleCallbacks {
             override fun onActivityPaused(p0: Activity) {
@@ -304,14 +300,14 @@ class QRView(private val context: Context, messenger: BinaryMessenger, private v
                                              permissions: Array<out String>?,
                                              grantResults: IntArray): Boolean {
         if(requestCode == Shared.CAMERA_REQUEST_ID + this.id) {
-            if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+            return if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                 permissionGranted = true
                 channel.invokeMethod("onPermissionSet", true)
-                return true
+                true
             } else {
                 permissionGranted = false
                 channel.invokeMethod("onPermissionSet", false)
-                return false
+                false
             }
         }
         return false

android/src/main/kotlin/net/touchcapture/qr/flutterqr/Shared.kt

@@ -8,5 +8,4 @@ object Shared {
     const val CAMERA_REQUEST_ID = 513469796
     var activity: Activity? = null
     var binding: ActivityPluginBinding? = null
-    var registrar: PluginRegistry.Registrar? = null
 }

example/android/app/build.gradle

@@ -26,7 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -36,7 +36,7 @@ android {
         applicationId "net.touchcapture.qr.flutterqrexample"
         // minSdkVersion is determined by Native View.
         minSdkVersion 20
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -56,7 +56,7 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    testImplementation 'junit:junit:4.13.1'
+    testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 }

example/android/app/src/main/AndroidManifest.xml

@@ -16,17 +16,13 @@
         android:label="flutter_qr_example"
         android:icon="@mipmap/ic_launcher">
         <activity
-            android:name=".MainActivity"
+            android:name="io.flutter.embedding.android.FlutterActivity"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
             android:hardwareAccelerated="true"
+            android:exported='true'
             android:windowSoftInputMode="adjustResize">
-            <!-- Specify that the launch screen should continue being displayed -->
-            <!-- until Flutter renders its first frame. -->
-            <meta-data
-                android:name="io.flutter.embedding.android.SplashScreenDrawable"
-                android:resource="@drawable/launch_background" />
             <!-- Theme to apply as soon as Flutter begins rendering frames -->
             <meta-data
                 android:name="io.flutter.embedding.android.NormalTheme"

example/android/app/src/main/kotlin/net/touchcapture/qr/flutterqrexample/MainActivity.kt

@@ -1,6 +0,0 @@
-package net.touchcapture.qr.flutterqrexample
-
-import io.flutter.embedding.android.FlutterActivity
-
-class MainActivity: FlutterActivity() {
-}

example/android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.5.10'
+    ext.kotlin_version = '1.5.31'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.1'
+        classpath 'com.android.tools.build:gradle:7.0.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Thu Dec 10 21:49:57 CET 2020
+#Fri Oct 08 10:14:36 CEST 2021
 distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
 distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
+zipStoreBase=GRADLE_USER_HOME

example/pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
     sdk: flutter
 
 dev_dependencies:
-  pedantic: ^1.11.0
+  flutter_lints: ^1.0.4
   flutter_test:
     sdk: flutter
 

pubspec.yaml

@@ -6,7 +6,7 @@ repository: https://github.com/juliuscanute/qr_code_scanner
 
 environment:
   sdk: '>=2.12.0 <3.0.0'
-  flutter: ">=1.10.0"
+  flutter: ">=1.12.0"
 
 dependencies:
   js: ^0.6.3
@@ -16,7 +16,7 @@ dependencies:
     sdk: flutter
 
 dev_dependencies:
-  pedantic: ^1.11.0
+  flutter_lints: ^1.0.4
 
 flutter:
   plugin: