Solving Namespace Errors in Flutter’s Android Gradle 8.0+

README.md

@@ -1,17 +1,20 @@
-# Nyx Printer
+
+# Nyx Printer 
 
 Flutter Plugin that connect to Nyx devices Printer such as NB55.
 
+
 ## Installation
 
 Install Nyx Printer with pub
 
 ```bash
   flutter pub add nyx_printer
 ```
-
+    
 ![Receipt](https://raw.githubusercontent.com/Aladdin16659/NyxPrinter/main/example/images/receipt.jpeg)
 
+
 ## Print Image
 
 ```dart
@@ -24,7 +27,6 @@ import 'package:nyx_printer/nyx_printer.dart';
     await _nyxPrinterPlugin.printImage(image.buffer.asUint8List());
   }
 ```
-
 ## Print Text
 
 ```dart
@@ -40,7 +42,6 @@ import 'package:nyx_printer/nyx_printer.dart';
       );
   }
 ```
-
 ## Print QR
 
 ```dart
@@ -52,8 +53,7 @@ import 'package:nyx_printer/nyx_printer.dart';
       );
   }
 ```
-
-## Print Barcode
+## Print QR
 
 ```dart
   Future<void> printBarcode() async {
@@ -65,7 +65,9 @@ import 'package:nyx_printer/nyx_printer.dart';
   }
 ```
 
+
 ## License
 
 [MIT](https://github.com/Aladdin16659/NyxPrinter/blob/main/LICENSE)
 Copyright (c) 2023 ALADDIN SID AHMED
+

android/build.gradle

@@ -22,34 +22,52 @@ rootProject.allprojects {
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 31
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+    if (project.android.hasProperty("namespace")) {
+        namespace = "net.nyx.nyxprinter.nyx_printer"
     }
 
+    compileSdk = 34
+
     defaultConfig {
         minSdkVersion 16
+        targetSdkVersion 34
+        versionCode 1
+        versionName "1.0"
     }
 
-    dependencies {
-        implementation fileTree(include: ['*.jar', '*.aar'], dir: 'libs')
-        testImplementation 'junit:junit:4.13.2'
-        testImplementation 'org.mockito:mockito-core:5.0.0'
-        implementation 'androidx.appcompat:appcompat:1.0.2'
-        implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-        implementation 'org.aspectj:aspectjrt:1.9.6'
-        implementation 'com.jakewharton.timber:timber:4.7.1'
+    sourceSets {
+        main {
+            jniLibs.srcDirs = ['libs']
+            aidl.srcDirs = ['src/main/aidl']
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    buildFeatures {
+        aidl true
     }
 
     testOptions {
         unitTests.all {
             testLogging {
-               events "passed", "skipped", "failed", "standardOut", "standardError"
-               outputs.upToDateWhen {false}
-               showStandardStreams = true
+                events "passed", "skipped", "failed", "standardOut", "standardError"
+                outputs.upToDateWhen {false}
+                showStandardStreams = true
             }
         }
     }
 }
+
+dependencies {
+    implementation fileTree(include: ['*.jar', '*.aar'], dir: 'libs')
+    testImplementation 'junit:junit:4.13.2'
+    testImplementation 'org.mockito:mockito-core:5.0.0'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'org.aspectj:aspectjrt:1.9.6'
+    implementation 'com.jakewharton.timber:timber:4.7.1'
+}

android/gradle.properties

@@ -0,0 +1,2 @@
+android.useAndroidX=true
+android.enableJetifier=true

android/src/main/java/net/nyx/nyxprinter/nyx_printer/NyxPrinterPlugin.java

@@ -22,6 +22,7 @@
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
+
 /** NyxPrinterPlugin */
 public class NyxPrinterPlugin implements FlutterPlugin, MethodCallHandler {
   /// The MethodChannel that will the communication between Flutter and native Android

lib/nyx_printer.dart

@@ -5,40 +5,25 @@ import 'nyx_text_format.dart';
 export 'nyx_text_format.dart';
 
 class NyxPrinter {
-  /// [getVersion] will return printer version number.
-  /// success result is 0.
   Future<int?> getVersion() {
     return NyxPrinterPlatform.instance.getVersion();
   }
 
-  /// [printText] will print text
-  /// to format text you can use [NyxTextFormat] to set font size or font style ...ext
-  /// success result is 0.
   Future<int?> printText(String text, {NyxTextFormat? textFormat}) {
     return NyxPrinterPlatform.instance
         .printText(text, textFormat ?? NyxTextFormat());
   }
 
-  /// [printBarcode] will print QR and you can set width and height.
-  /// default width is 300
-  /// default height is 160
-  /// success result is 0.
   Future<int?> printBarcode(String text, {int? width, int? height}) {
     return NyxPrinterPlatform.instance
         .printBarcode(text, width ?? 300, height ?? 160);
   }
 
-  /// [printQrCode] will print QR and you can set width and height.
-  /// default width is 300
-  /// default height is 300,
-  /// success result is 0.
   Future<int?> printQrCode(String text, {int? width, int? height}) {
     return NyxPrinterPlatform.instance
         .printQrCode(text, width ?? 300, height ?? 300);
   }
 
-  /// [printImage] will print only png images
-  /// success result is 0.
   Future<int?> printImage(Uint8List bytes) {
     return NyxPrinterPlatform.instance.printBitmap(bytes);
   }