切换页面或锁屏时关闭串口电源

.metadata

@@ -1,10 +1,30 @@
 # This file tracks properties of this Flutter project.
 # Used by Flutter tool to assess capabilities and perform upgrades etc.
 #
-# This file should be version controlled and should not be manually edited.
+# This file should be version controlled.
 
 version:
-  revision: b101bfe32f634566e7cb2791a9efe19cf8828b15
+  revision: cd41fdd495f6944ecd3506c21e94c6567b073278
-  channel: beta
+  channel: unknown
 
 project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: cd41fdd495f6944ecd3506c21e94c6567b073278
+      base_revision: cd41fdd495f6944ecd3506c21e94c6567b073278
+    - platform: android
+      create_revision: cd41fdd495f6944ecd3506c21e94c6567b073278
+      base_revision: cd41fdd495f6944ecd3506c21e94c6567b073278
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

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" />
+            android:src="@mipmap/launch_image" />
-    </item>
+    </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"/>

android/build.gradle

@@ -6,7 +6,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ 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
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip

lib/pages/compass_page.dart

@@ -7,6 +7,7 @@ import 'package:fengshui_compass/components/my_icon.dart';
 import 'package:fengshui_compass/pages/login_page.dart';
 import 'package:fengshui_compass/states/region.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_serial_port_api/flutter_serial_port_api.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:provider/provider.dart';
@@ -23,7 +24,7 @@ class CompassPage extends StatefulWidget {
   State<StatefulWidget> createState() => _CompassState();
 }
 
-class _CompassState extends State<CompassPage> {
+class _CompassState extends State<CompassPage> with WidgetsBindingObserver {
   // 串口相关
   bool isPortOpened = false;
   SerialPort _serialPort;
@@ -54,16 +55,53 @@ class _CompassState extends State<CompassPage> {
   @override
   void initState() {
     super.initState();
+    print("init");
+    // 添加观察者以监听生命周期事件
+    WidgetsBinding.instance?.addObserver(this);
     initPort();
   }
 
+  @override
+  void dispose() {
+    turnOffPower();
+    // 在小部件被销毁时移除观察者，以防止内存泄漏
+    WidgetsBinding.instance?.removeObserver(this);
+    super.dispose();
+    print("dispose");
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    // 在这里处理应用程序生命周期状态变化事件
+    if (state == AppLifecycleState.paused) {
+      // 应用程序进入后台
+      print('App entered background');
+      turnOffPower();
+    } else if (state == AppLifecycleState.resumed) {
+      // 应用程序回到前台
+      print('App returned to foreground');
+      initPort();
+    } else if (state == AppLifecycleState.inactive) {
+      // 应用程序处于非活动状态（例如：锁屏、电话来电）
+      print('App in inactive state');
+      turnOffPower();
+    }
+  }
+
   Future<void> initPort() async {
+    await turnOnPower();
+    // todo:
+    setState(() {
+      isLock = true;
+      isUpClose = true;
+      isSideClose = true;
+    });
     // 20ms接收一次串口数据，防抖，定义接收缓存
     final debounceTransformer = StreamTransformer<Uint8List, dynamic>.fromBind(
         (s) => s.transform(debounceBuffer(const Duration(milliseconds: 20))));
 
     if (!isPortOpened) {
-      Device theDevice = Device("/dev/ttyS2", "/dev/ttyS2");
+      Device theDevice = Device("/dev/ttyS3", "/dev/ttyS3");
       var serialPort = await FlutterSerialPortApi.createSerialPort(
           theDevice, 115200,
           parity: 0, dataBits: 8, stopBit: 1);
@@ -89,6 +127,24 @@ class _CompassState extends State<CompassPage> {
     }
   }
 
+  Future<void> turnOnPower() async {
+    const platform = MethodChannel('toggle_power');
+    await platform.invokeMethod("turnOnPower");
+  }
+
+  Future<void> turnOffPower() async {
+    const platform = MethodChannel('toggle_power');
+    await platform.invokeMethod("turnOffPower");
+    if (mounted) {
+      setState(() {
+        isLock = false;
+        isUpClose = false;
+        isSideClose = false;
+        isPortOpened = false;
+      });
+    }
+  }
+
   Future<void> closePort() async {
     bool closeResult = await _serialPort.close();
     setState(() {
@@ -204,24 +260,33 @@ class _CompassState extends State<CompassPage> {
         w_y_tmp = 0.5 - 0.07 * roll_tmp / 30.0;
         w_x_tmp = 0.5 - 0.07 * pitch_tmp / 30.0;
       } else if (w_total > 30) {
-        //todo
+        // //todo
-        w_y_tmp = 0.5 - 0.07 * w_total / 30.0;
+        // w_y_tmp = 0.5 - 0.07 * w_total / 30.0;
-        w_x_tmp = 0.5 - 0.07 * w_total / 30.0;
+        // w_x_tmp = 0.5 - 0.07 * w_total / 30.0;
+        var radius = sqrt(0.07 * 0.07 * 2);
+        //todo;
+        var _angle = atan2(roll_tmp, -pitch_tmp);
+        if (_angle < 0) {
+          _angle += 2 * pi;
+        }
+        w_y_tmp = 0.5 - radius * sin(_angle);
+        w_x_tmp = 0.5 + radius * cos(_angle);
       }
 
       // todo 其他情况
 
       var meanValue;
 
-      if (lista.length < 20) {
+      // if (lista.length < 20) {
-        lista.add(temp_myaw);
+      //   lista.add(temp_myaw);
-        meanValue = null;
+      //   meanValue = null;
-      } else {
+      // } else {
-        lista.removeAt(0);
+      //   lista.removeAt(0);
-        lista.add(temp_myaw);
+      //   lista.add(temp_myaw);
-        meanValue = lista.map((e) => e).reduce((a, b) => a + b) / lista.length;
+      //   meanValue = lista.map((e) => e).reduce((a, b) => a + b) / lista.length;
-      }
+      // }
 
+      if (mounted) {
         setState(() {
           // print("roll: $roll_tmp pitch: $pitch_tmp");
           // print("w_x: $w_x_tmp, w_y: $w_y_tmp");
@@ -238,6 +303,7 @@ class _CompassState extends State<CompassPage> {
           // 水平仪 0.5+-0.07范围
           // x旋转y在动 y旋转x在动 roll改变y坐标，pitch改变x坐标
         });
+      }
     } else if (str.contains("9E010401") &&
         (str.length >= ((str.indexOf("9E010401") + 26)))) {
       var pos = str.indexOf("9E010401");
@@ -311,7 +377,8 @@ class _CompassState extends State<CompassPage> {
     } else if (angle > 180) {
       result = angle - 180;
     } else {
-      result = 0.0;
+      // result = 0.0;
+      result = angle;
     }
     return result;
   }