fdp
1 year ago
3 changed files with 152 additions and 4 deletions
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package com.yunqiinnovation.azure_speech.tools |
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import android.app.Notification |
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import android.app.NotificationChannel |
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import android.app.NotificationManager |
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import android.app.PendingIntent |
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import android.app.Service |
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import android.content.Context |
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import android.content.Intent |
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import android.os.Build |
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import android.os.IBinder |
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import androidx.core.app.NotificationCompat |
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import android.util.Log |
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/** |
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* 音频录制前台服务 |
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* 用于在录制音频时保持应用在前台运行，防止系统杀死应用 |
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*/ |
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class AudioRecordingForegroundService : Service() { |
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companion object { |
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private const val TAG = "AudioRecordingService" |
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private const val NOTIFICATION_ID = 1001 |
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private const val CHANNEL_ID = "audio_recording_channel" |
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private const val CHANNEL_NAME = "音频录制服务" |
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/** |
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* 启动前台服务 |
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* @param context 上下文 |
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*/ |
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fun startService(context: Context) { |
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val intent = Intent(context, AudioRecordingForegroundService::class.java) |
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { |
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context.startForegroundService(intent) |
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} else { |
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context.startService(intent) |
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} |
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Log.d(TAG, "音频录制前台服务已启动") |
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} |
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/** |
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* 停止前台服务 |
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* @param context 上下文 |
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*/ |
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fun stopService(context: Context) { |
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val intent = Intent(context, AudioRecordingForegroundService::class.java) |
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context.stopService(intent) |
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Log.d(TAG, "音频录制前台服务已停止") |
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} |
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} |
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override fun onCreate() { |
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super.onCreate() |
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Log.d(TAG, "AudioRecordingForegroundService onCreate") |
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createNotificationChannel() |
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} |
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override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int { |
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Log.d(TAG, "AudioRecordingForegroundService onStartCommand") |
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// 创建前台通知 |
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val notification = createNotification() |
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startForeground(NOTIFICATION_ID, notification) |
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// 返回START_STICKY确保服务被系统杀死后会重启 |
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return START_STICKY |
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} |
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override fun onBind(intent: Intent?): IBinder? { |
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return null |
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} |
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override fun onDestroy() { |
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super.onDestroy() |
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Log.d(TAG, "AudioRecordingForegroundService onDestroy") |
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stopForeground(true) |
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} |
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/** |
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* 创建通知渠道（Android 8.0及以上需要） |
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*/ |
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private fun createNotificationChannel() { |
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { |
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val channel = NotificationChannel( |
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CHANNEL_ID, |
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CHANNEL_NAME, |
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NotificationManager.IMPORTANCE_LOW |
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).apply { |
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description = "用于音频录制时保持应用运行" |
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setShowBadge(false) |
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setSound(null, null) |
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enableVibration(false) |
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} |
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val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager |
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notificationManager.createNotificationChannel(channel) |
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} |
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} |
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/** |
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* 创建前台服务通知 |
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* @return 通知对象 |
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*/ |
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private fun createNotification(): Notification { |
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// 创建点击通知时的意图（可以打开应用主界面） |
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val intent = packageManager.getLaunchIntentForPackage(packageName) |
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val pendingIntent = PendingIntent.getActivity( |
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this, |
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0, |
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intent, |
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PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE |
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) |
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return NotificationCompat.Builder(this, CHANNEL_ID) |
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.setContentTitle("语音助手正在运行") |
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.setContentText("正在录制音频，点击返回应用") |
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.setSmallIcon(android.R.drawable.ic_btn_speak_now) // 使用系统默认麦克风图标 |
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.setContentIntent(pendingIntent) |
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.setOngoing(true) // 设置为持续通知，用户无法滑动删除 |
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.setPriority(NotificationCompat.PRIORITY_LOW) |
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.setCategory(NotificationCompat.CATEGORY_SERVICE) |
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.setShowWhen(false) |
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.build() |
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} |
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} |
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