flutter 3.10.6, kotlin 1.7.22, AGP 7.4.2, gradle 7.5

README.md

@@ -13,7 +13,7 @@ Another Bother SDK library for Flutter.
 Note: This branch does not include RJ-Go support on IOS.
 
 ## Android Min SDK
-- Requires minSdkVersion 19
+- Requires minSdkVersion 21
 
 ## iOS Info.plist
 

android/build.gradle

@@ -2,7 +2,7 @@ group 'com.rouninlabs.another_brother'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.7.22'
     repositories {
         google()
         jcenter()
@@ -41,7 +41,7 @@ android {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9'
     implementation 'com.brother.sdk:printer:4.6.1'
     implementation 'com.brother.typeb:print:1.0.0'

example/android/app/build.gradle

@@ -26,17 +26,18 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion flutter.compileSdkVersion
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
 
+    print(flutter)
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.rouninlabs.another_brother_example"
-        minSdkVersion 21 // Bummped to 21 as a result of Type B Sdk print Pdf
-        targetSdkVersion 28
+        minSdkVersion 21// Bummped to 21 as a result of Type B Sdk print Pdf
+        targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
@@ -48,12 +49,13 @@ android {
             signingConfig signingConfigs.debug
         }
     }
+    namespace 'com.rouninlabs.another_brother_example'
 }
 
 flutter {
     source '../..'
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

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

@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.rouninlabs.another_brother_example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

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

@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.rouninlabs.another_brother_example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
     <uses-permission android:name="android.permission.BLUETOOTH"/>
@@ -11,6 +10,7 @@
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
+            android:exported="true"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"

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

@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.rouninlabs.another_brother_example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

example/android/build.gradle

@@ -1,13 +1,13 @@
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.7.22'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
         //classpath 'com.android.tools.build:gradle:4.1.0'
-        classpath 'com.android.tools.build:gradle:3.5.4'
+        classpath 'com.android.tools.build:gradle:7.4.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -30,6 +30,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }

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

@@ -1,6 +1,6 @@
-#Fri Jun 23 08:50:38 CEST 2017
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+#Mon Aug 07 09:47:11 CST 2023
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

example/lib/main.dart

@@ -31,10 +31,10 @@ class MyApp extends StatefulWidget {
 
 class _MyAppState extends State<MyApp> {
   String _platformVersion = 'Unknown';
-  File _selectedImage = null;
+  File? _selectedImage;
 
-  ui.Image _imageToShow = null;
-  Uint8List _imageBytes = null;
+  ui.Image? _imageToShow;
+  Uint8List? _imageBytes;
 
   @override
   void initState() {
@@ -63,7 +63,7 @@ class _MyAppState extends State<MyApp> {
     });
   }
 
-  Future<PrinterStatus> printLabelTypeB() async {
+  Future<TbPrinterStatus> printLabelTypeB() async {
 
     TbPrinterInfo printerInfo = TbPrinterInfo(
       printerModel: TbModel.RJ_3035B,
@@ -177,6 +177,7 @@ class _MyAppState extends State<MyApp> {
     success = await printer.endCommunication(timeoutMillis: 50000);
     print("TypeB: Connection Closed? $success");
 
+    return printerStatus;
   }
 
   Future<ui.Image> loadImage(String assetPath) async {
@@ -205,7 +206,7 @@ class _MyAppState extends State<MyApp> {
     var picture = await recorder.endRecording().toImage(300, 300);
 
     _imageBytes = (await picture.toByteData(format: ImageByteFormat.png))
-        .buffer
+        !.buffer
         .asUint8List();
     setState(() {
       //_imageToShow = picture;
@@ -515,6 +516,7 @@ class _MyAppState extends State<MyApp> {
       }
 
        */
+     return status;
   }
 
   Future<PrinterStatus> printImageBluetooth() async {
@@ -644,10 +646,10 @@ class _MyAppState extends State<MyApp> {
               child: Text('Running on: $_platformVersion\n'),
             ),
             _selectedImage != null
-                ? Image.file(_selectedImage)
+                ? Image.file(_selectedImage!)
                 : Text("No Image Selected"),
             _imageBytes != null
-                ? Image.memory(_imageBytes)
+                ? Image.memory(_imageBytes!)
                 : Text("No Image From Canvas"),
             Row(
               mainAxisAlignment: MainAxisAlignment.center,