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IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_SCANNER_STARTED);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
intentFilter.addDataScheme("file");
registerReceiver(scanReceiver, intentFilter);
sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" +
Environment.getExternalStorageDirectory())));
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
看行不行
如果还是不行的话,是不是只有系统权限才能发这个广播?