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android/app/build.gradle

@@ -8,7 +8,7 @@ if (localPropertiesFile.exists()) {
 
 def flutterRoot = localProperties.getProperty('flutter.sdk')
 if (flutterRoot == null) {
-    throw new Exception("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
@@ -28,24 +28,19 @@ apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 android {
 //    compileSdkVersion flutter.compileSdkVersion
     compileSdkVersion 32
-    ndkVersion "23.1.7779620"
+    ndkVersion flutter.ndkVersion
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
-
-    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 "cn.com.motse.fengshui_compass"
+        // 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 flutter.minSdkVersion
         minSdkVersion 19
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
@@ -59,19 +54,8 @@ android {
             signingConfig signingConfigs.debug
         }
     }
-
-    lintOptions {
-        disable 'InvalidPackage'
-        disable "Instantiatable"
-        checkReleaseBuilds false
-        abortOnError false
-    }
 }
 
 flutter {
     source '../..'
 }
-
-dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-}

android/app/src/debug/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="cn.com.motse.fengshui_compass">
-    <!-- Flutter needs it to communicate with the running application
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->
     <uses-permission android:name="android.permission.INTERNET"/>

android/app/src/main/AndroidManifest.xml

@@ -29,7 +29,6 @@
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data
             android:name="flutterEmbedding"
-            android:resource="@drawable/launch_image"
             android:value="2" />
     </application>
 </manifest>

android/app/src/main/java/cn/com/motse/fengshui_compass/ComShellUtils.java

@@ -0,0 +1,142 @@
+package cn.com.motse.fengshui_compass;
+
+import android.util.Log;
+
+import java.io.BufferedReader;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+/**
+ * <pre>
+ *     author: Blankj
+ *     blog  : http://blankj.com
+ *     time  : 2016/08/07
+ *     desc  : utils about shell
+ * </pre>
+ */
+public final class ComShellUtils {
+    public static final String TAG = "CommandExecution";
+
+    public final static String COMMAND_SU = "su";
+    public final static String COMMAND_SH = "sh";
+    public final static String COMMAND_EXIT = "exit\n";
+    public final static String COMMAND_LINE_END = "\n";
+
+    /**
+     * Command执行结果
+     *
+     * @author Mountain
+     */
+    public static class CommandResult {
+        public int result = -1;
+        public String errorMsg;
+        public String successMsg;
+
+        @Override
+        public String toString() {
+            return "CommandResult{" +
+                    "result=" + result +
+                    ", errorMsg='" + errorMsg + '\'' +
+                    ", successMsg='" + successMsg + '\'' +
+                    '}';
+        }
+    }
+
+    /**
+     * 执行命令—单条
+     *
+     * @param command
+     * @param isRoot
+     * @return
+     */
+    public static CommandResult execCommand(String command, boolean isRoot) {
+        String[] commands = {command};
+        return execCommand(commands, isRoot);
+    }
+
+    /**
+     * 执行命令-多条
+     *
+     * @param commands
+     * @param isRoot
+     * @return
+     */
+    public static CommandResult execCommand(String[] commands, boolean isRoot) {
+        CommandResult commandResult = new CommandResult();
+        if (commands == null || commands.length == 0) return commandResult;
+        Process process = null;
+        DataOutputStream os = null;
+        BufferedReader successResult = null;
+        BufferedReader errorResult = null;
+        StringBuilder successMsg = null;
+        StringBuilder errorMsg = null;
+        try {
+            process = Runtime.getRuntime().exec(isRoot ? COMMAND_SU : COMMAND_SH);
+            os = new DataOutputStream(process.getOutputStream());
+            for (String command : commands) {
+                if (command != null) {
+                    os.write(command.getBytes());
+                    os.writeBytes(COMMAND_LINE_END);
+                    os.flush();
+                }
+            }
+            os.writeBytes(COMMAND_EXIT);
+            os.flush();
+            commandResult.result = process.waitFor();
+            //获取错误信息
+            successMsg = new StringBuilder();
+            errorMsg = new StringBuilder();
+            successResult = new BufferedReader(new InputStreamReader(process.getInputStream()));
+            errorResult = new BufferedReader(new InputStreamReader(process.getErrorStream()));
+            String s;
+            while ((s = successResult.readLine()) != null) {
+                successMsg.append(s);
+            }
+            while ((s = errorResult.readLine()) != null) {
+                errorMsg.append(s);
+            }
+            commandResult.successMsg = successMsg.toString();
+            commandResult.errorMsg = errorMsg.toString();
+            Log.i(TAG, commandResult.result + " | " + commandResult.successMsg
+                    + " | " + commandResult.errorMsg);
+        } catch (IOException e) {
+            String errmsg = e.getMessage();
+            if (errmsg != null) {
+                Log.e(TAG, errmsg);
+            } else {
+                e.printStackTrace();
+            }
+        } catch (Exception e) {
+            String errmsg = e.getMessage();
+            if (errmsg != null) {
+                Log.e(TAG, errmsg);
+            } else {
+                e.printStackTrace();
+            }
+        } finally {
+            try {
+                if (os != null) {
+                    os.close();
+                }
+                if (successResult != null) {
+                    successResult.close();
+                }
+                if (errorResult != null) {
+                    errorResult.close();
+                }
+            } catch (IOException e) {
+                String errmsg = e.getMessage();
+                if (errmsg != null) {
+                    Log.e(TAG, errmsg);
+                } else {
+                    e.printStackTrace();
+                }
+            }
+            if (process != null) {
+                process.destroy();
+            }
+        }
+        return commandResult;
+    }
+}

android/app/src/main/java/cn/com/motse/fengshui_compass/MainActivity.java

@@ -0,0 +1,45 @@
+package cn.com.motse.fengshui_compass;
+
+
+import androidx.annotation.NonNull;
+
+import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.embedding.engine.FlutterEngine;
+import io.flutter.plugin.common.MethodChannel;
+
+public class MainActivity extends FlutterActivity {
+    private static final String CHANNEL = "toggle_power";
+
+    @Override
+    public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
+        super.configureFlutterEngine(flutterEngine);
+        new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), CHANNEL)
+                .setMethodCallHandler(
+                        (call, result) -> {
+                            if (call.method.equals("turnOnPower")) {
+                                String state = "1";
+                                String ioValue = "236";
+                                String cmdStr1 = "echo " + ioValue + " > /sys/class/gpio/export";
+                                String cmdStr2 = "echo out > /sys/class/gpio/gpio" + ioValue + "/direction";
+                                String cmdStr3 = "echo " + state + " > /sys/class/gpio/gpio" + ioValue + "/value";
+                                ComShellUtils.execCommand(cmdStr1, false);
+                                ComShellUtils.execCommand(cmdStr2, false);
+                                ComShellUtils.execCommand(cmdStr3, false);
+                                result.success("on");
+                            } else if (call.method.equals("turnOffPower")) {
+                                String state = "0";
+                                String ioValue = "236";
+                                String cmdStr1 = "echo " + ioValue + " > /sys/class/gpio/export";
+                                String cmdStr2 = "echo out > /sys/class/gpio/gpio" + ioValue + "/direction";
+                                String cmdStr3 = "echo " + state + " > /sys/class/gpio/gpio" + ioValue + "/value";
+                                ComShellUtils.execCommand(cmdStr1, false);
+                                ComShellUtils.execCommand(cmdStr2, false);
+                                ComShellUtils.execCommand(cmdStr3, false);
+                                result.success("off");
+                            } else {
+                                result.notImplemented();
+                            }
+                        }
+                );
+    }
+}

android/app/src/main/kotlin/cn/com/motse/fengshui_compass/MainActivity.kt

@@ -1,6 +0,0 @@
-package cn.com.motse.fengshui_compass
-
-import io.flutter.embedding.android.FlutterActivity
-
-class MainActivity: FlutterActivity() {
-}

android/app/src/main/res/drawable/launch_background.xml

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@color/transparent" />
+    <item android:drawable="@android:color/white" />
 
     <!-- You can insert your own image assets here -->
-    <item>
+    <!-- <item>
         <bitmap
             android:gravity="center"
-            android:src="@drawable/launch_image" />
-    </item>
+            android:src="@mipmap/launch_image" />
+    </item> -->
 </layer-list>

android/app/src/main/res/values-night/styles.xml

@@ -3,7 +3,7 @@
     <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
     <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
         <!-- Show a splash screen on the activity. Automatically removed when
-             Flutter draws its first frame -->
+             the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.

android/app/src/main/res/values/styles.xml

@@ -3,7 +3,7 @@
     <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
     <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <!-- Show a splash screen on the activity. Automatically removed when
-             Flutter draws its first frame -->
+             the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
@@ -14,7 +14,5 @@
          This Theme is only used starting with V2 of Flutter's Android embedding. -->
     <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <item name="android:windowBackground">?android:colorBackground</item>
-
     </style>
-    <color name="transparent">#00000000</color>
 </resources>

android/app/src/profile/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="cn.com.motse.fengshui_compass">
-    <!-- Flutter needs it to communicate with the running application
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->
     <uses-permission android:name="android.permission.INTERNET"/>