android 10.0录制屏幕报错. Media projections require a foreground service of type ServiceInfo.FOREGROUND_SERVICE 报错原因报错解决 (这里默认你已经写好了正常的录制屏幕流程)Android技术生活交流
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Android10.0以上的录制屏幕需要获取到FOREGROUND_SERVICE权限
Android10.0以上实例化mediaProjection需要在service里进行
Android10.0以上录制屏幕需要添加notification，提醒用户该app正在录制屏幕
Caused by: java.lang.SecurityException: Media projections require a foreground service of type ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION
报错解决 (这里默认你已经写好了正常的录制屏幕流程) 在AndroidManifest.xml内的service添加foregroundServiceType android:foregroundServiceType="mediaProjection" 在申请录屏幕权限后的返回数据onActivityResult内对sdk进行判断，并实现startForegroundService，这样我们就可以在service内进行初始化mediaProjection了 @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { screenRecordService.setMediaProject(MediaProject); //将MediaProject传进service里，这个medieaProject应该为 null screenRecordService.setMediaProjectionManager(MediaProjectionManager); //将mediaProjectionManager传进service里，这个manager你应该已经在`ServiceConnection`时实例化好了（） Intent service = new Intent(this, ScreenRecordService.class); service.putExtra("code", resultCode); service.putExtra("data", data); startForegroundService(service); } }调过startForegroundService会执行service的 onStartCommand 方法，之后我们就可以在service里进行实例化 MediaProject了
@Override public int onStartCommand(Intent intent, int flags, int startId) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { createNotificationChannel(); //创建通知栏，你正在录屏 Bundle bundle = intent.getExtras(); MediaProject = mediaProjectionManager.getMediaProjection( bundle.getInt("code",-1), Objects.requireNonNull(intent.getParcelableExtra("data"))); if(null != mOnStartCommandListener){ mOnStartCommandListener.finished(mediaProjection!=null); } } return START_STICKY; } 构造Notification private void createNotificationChannel() { Notification.Builder builder = new Notification.Builder(this.getApplicationContext()); //获取一个Notification构造器 Intent nfIntent = new Intent(this, TutorW2Activity.class); //点击后跳转的界面，可以设置跳转数据 builder.setContentIntent(PendingIntent.getActivity(this, 0, nfIntent, 0)) // 设置PendingIntent .setLargeIcon(BitmapFactory.decodeResource(this.getResources(), R.mipmap.ic_launcher)) // 设置下拉列表中的图标(大图标) //.setContentTitle("SMI InstantView") // 设置下拉列表里的标题 .setSmallIcon(R.mipmap.ic_launcher) // 设置状态栏内的小图标 .setContentText("is running......") // 设置上下文内容 .setWhen(System.currentTimeMillis()); // 设置该通知发生的时间 /*以下是对Android 8.0的适配*/ //普通notification适配 if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { builder.setChannelId("notification_id"); } //前台服务notification适配 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { NotificationManager notificationManager = (NotificationManager)getSystemService(NOTIFICATION_SERVICE); NotificationChannel channel = new NotificationChannel("notification_id", "notification_name", NotificationManager.IMPORTANCE_LOW); notificationManager.createNotificationChannel(channel); } Notification notification = builder.build(); // 获取构建好的Notification notification.defaults = Notification.DEFAULT_SOUND; //设置为默认的声音 startForeground(110, notification); } Android技术生活交流微信 ----- qq群