init

android/.gitignore

@@ -0,0 +1,9 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.cxx

android/build.gradle.kts

@@ -0,0 +1,55 @@
+group = "com.xiarui.ch934x_serial"
+version = "1.0"
+
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath("com.android.tools.build:gradle:8.11.1")
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+plugins {
+    id("com.android.library")
+}
+
+android {
+    namespace = "com.xiarui.ch934x_serial"
+
+    compileSdk = 36
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    defaultConfig {
+        minSdk = 24
+    }
+
+    testOptions {
+        unitTests.all {
+            it.outputs.upToDateWhen { false }
+
+            it.testLogging {
+                events("passed", "skipped", "failed", "standardOut", "standardError")
+                showStandardStreams = true
+            }
+        }
+    }
+}
+
+dependencies {
+    testImplementation("junit:junit:4.13.2")
+    testImplementation("org.mockito:mockito-core:5.0.0")
+}

android/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'ch934x_serial'

android/settings.gradle.kts

@@ -0,0 +1 @@
+rootProject.name = 'ch934x_serial'

android/src/main/AndroidManifest.xml

@@ -0,0 +1,3 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  package="com.xiarui.ch934x_serial">
+</manifest>

android/src/main/java/com/xiarui/ch934x_serial/Ch934xSerialPlugin.java

@@ -0,0 +1,38 @@
+package com.xiarui.ch934x_serial;
+
+import androidx.annotation.NonNull;
+
+import io.flutter.embedding.engine.plugins.FlutterPlugin;
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
+import io.flutter.plugin.common.MethodChannel.Result;
+
+/** Ch934xSerialPlugin */
+public class Ch934xSerialPlugin implements FlutterPlugin, MethodCallHandler {
+  /// The MethodChannel that will the communication between Flutter and native Android
+  ///
+  /// This local reference serves to register the plugin with the Flutter Engine and unregister it
+  /// when the Flutter Engine is detached from the Activity
+  private MethodChannel channel;
+
+  @Override
+  public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBinding) {
+    channel = new MethodChannel(flutterPluginBinding.getBinaryMessenger(), "ch934x_serial");
+    channel.setMethodCallHandler(this);
+  }
+
+  @Override
+  public void onMethodCall(@NonNull MethodCall call, @NonNull Result result) {
+    if (call.method.equals("getPlatformVersion")) {
+      result.success("Android " + android.os.Build.VERSION.RELEASE);
+    } else {
+      result.notImplemented();
+    }
+  }
+
+  @Override
+  public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
+    channel.setMethodCallHandler(null);
+  }
+}

android/src/test/java/com/xiarui/ch934x_serial/Ch934xSerialPluginTest.java

@@ -0,0 +1,29 @@
+package com.xiarui.ch934x_serial;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+import org.junit.Test;
+
+/**
+ * This demonstrates a simple unit test of the Java portion of this plugin's implementation.
+ *
+ * Once you have built the plugin's example app, you can run these tests from the command
+ * line by running `./gradlew testDebugUnitTest` in the `example/android/` directory, or
+ * you can run them directly from IDEs that support JUnit such as Android Studio.
+ */
+
+public class Ch934xSerialPluginTest {
+  @Test
+  public void onMethodCall_getPlatformVersion_returnsExpectedValue() {
+    Ch934xSerialPlugin plugin = new Ch934xSerialPlugin();
+
+    final MethodCall call = new MethodCall("getPlatformVersion", null);
+    MethodChannel.Result mockResult = mock(MethodChannel.Result.class);
+    plugin.onMethodCall(call, mockResult);
+
+    verify(mockResult).success("Android " + android.os.Build.VERSION.RELEASE);
+  }
+}