lxm
1 year ago
17 changed files with 534 additions and 247 deletions
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package com.saitong.voitrans |
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import android.app.ActivityManager |
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import android.content.Context |
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import android.util.Log |
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import io.flutter.app.FlutterApplication |
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import io.flutter.embedding.engine.FlutterEngine |
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import io.flutter.embedding.engine.FlutterEngineCache |
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import io.flutter.embedding.engine.dart.DartExecutor |
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import io.flutter.plugins.GeneratedPluginRegistrant |
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// Application.kt |
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class MyApp : FlutterApplication() { |
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companion object { |
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private const val TAG = "MyApp" |
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private const val ENGINE_ID = "main_engine" |
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// 标记 Engine 是否已经执行过 Dart 入口点 |
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@Volatile |
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private var isDartEntrypointExecuted = false |
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// 记录应用启动时间，用于判断是否为新启动 |
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@Volatile |
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private var appStartTime = 0L |
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} |
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override fun onCreate() { |
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super.onCreate() |
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appStartTime = System.currentTimeMillis() |
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Log.d(TAG, "MyApp onCreate - 进程启动") |
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val cache = FlutterEngineCache.getInstance() |
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val existingEngine = cache.get(ENGINE_ID) |
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if (existingEngine == null) { |
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Log.d(TAG, "创建新的 FlutterEngine") |
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createAndCacheEngine(cache) |
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} else { |
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Log.d(TAG, "FlutterEngine 已存在，检查状态") |
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// 检查现有 Engine 的状态 |
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try { |
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val isExecuting = existingEngine.dartExecutor.isExecutingDart |
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Log.d(TAG, "Engine Dart执行状态: $isExecuting") |
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if (!isExecuting && isMainProcess()) { |
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Log.d(TAG, "Engine 存在但Dart未执行，重新执行") |
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existingEngine.dartExecutor.executeDartEntrypoint( |
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DartExecutor.DartEntrypoint.createDefault() |
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) |
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isDartEntrypointExecuted = true |
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} |
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} catch (e: Exception) { |
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Log.e(TAG, "检查或重新执行 Dart 入口点失败", e) |
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// 如果失败，重新创建 Engine |
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cache.remove(ENGINE_ID) |
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createAndCacheEngine(cache) |
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} |
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} |
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} |
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private fun createAndCacheEngine(cache: FlutterEngineCache) { |
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// 在主进程中总是创建并执行Dart入口点 |
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if (isMainProcess()) { |
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Log.d(TAG, "✅ 在主进程创建 FlutterEngine 并执行 Dart") |
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val flutterEngine = FlutterEngine(this) |
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// 注册插件（只在这里注册一次） |
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Log.d(TAG, "📦 注册 Flutter 插件") |
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GeneratedPluginRegistrant.registerWith(flutterEngine) |
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try { |
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Log.d(TAG, "🚀 开始执行 Dart 入口点") |
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flutterEngine.dartExecutor.executeDartEntrypoint( |
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DartExecutor.DartEntrypoint.createDefault() |
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) |
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isDartEntrypointExecuted = true |
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cache.put(ENGINE_ID, flutterEngine) |
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Log.d(TAG, "✅ FlutterEngine 创建并缓存成功") |
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} catch (e: Exception) { |
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Log.e(TAG, "❌ 执行 Dart 入口点失败", e) |
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// 如果执行失败，仍然缓存 Engine，但标记为未执行 |
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isDartEntrypointExecuted = false |
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cache.put(ENGINE_ID, flutterEngine) |
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} |
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} else { |
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Log.d(TAG, "⚠️ 在非主进程，仅创建 FlutterEngine") |
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// 非主进程只创建 Engine，不执行 Dart 入口点 |
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val flutterEngine = FlutterEngine(this) |
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cache.put(ENGINE_ID, flutterEngine) |
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} |
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} |
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private fun isMainProcess(): Boolean { |
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val am = getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager |
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val processes = am.runningAppProcesses ?: return true |
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val mainProcessName = packageName |
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val myPid = android.os.Process.myPid() |
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for (process in processes) { |
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if (process.pid == myPid) { |
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return process.processName == mainProcessName |
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} |
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} |
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return true |
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} |
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private fun isAppInForeground(): Boolean { |
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val am = getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager |
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val processes = am.runningAppProcesses ?: return false |
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val pkg = packageName |
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for (p in processes) { |
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if (p.processName == pkg && |
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p.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) { |
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return true |
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} |
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} |
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return false |
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} |
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private fun isAppBeingLaunched(): Boolean { |
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// 改进的启动检测逻辑 |
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val currentTime = System.currentTimeMillis() |
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val isRecentStart = (currentTime - appStartTime) < 3000 // 3秒内认为是新启动 |
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if (isRecentStart) { |
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Log.d(TAG, "检测到应用新启动") |
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return true |
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} |
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// 备用检测方法（兼容旧版本） |
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return try { |
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val am = getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager |
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val tasks = am.getRunningTasks(1) |
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val result = tasks.isNotEmpty() && tasks[0].topActivity?.packageName == packageName |
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Log.d(TAG, "通过 RunningTasks 检测启动状态: $result") |
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result |
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} catch (e: Exception) { |
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Log.w(TAG, "无法获取 RunningTasks，可能缺少权限", e) |
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// 如果无法获取任务信息，默认认为是启动状态 |
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true |
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} |
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} |
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} |
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