Android 掃描SDCard上的音樂文件以及監聽掃描事件

Android 掃描SDCard上的音樂文件以及監聽掃描事件

廣播接收機代碼：

1. public class ScanSdReceiver extends BroadcastReceiver
2. {
3. @Override
4. public void onReceive(Context context, Intent intent)
5. {
6. String action = intent.getAction();
7. if (Intent.ACTION_MEDIA_SCANNER_STARTED.equals(action))
8. {
9. //開始掃描，把你的代碼放這裡
10. }
11. else if (Intent.ACTION_MEDIA_SCANNER_FINISHED.equals(action))
12. {
13. //掃描結束，把你的代碼放這裡
14. }
15. }
16. }

注冊廣播接收機，監聽SDcard掃描事件

1. IntentFilter intentfilter = new IntentFilter(Intent.ACTION_MEDIA_SCANNER_STARTED);
2. intentfilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
3. intentfilter.addDataScheme("file");
4. ScanSdReceiver scanSdReceiver = new ScanSdReceiver();
5. registerReceiver(scanSdReceiver, intentfilter);

掃描SDCard

1. sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED,
2. Uri.parse("file://" + Environment.getExternalStorageDirectory().getAbsolutePath())));