public static String getSDPath(Context context) {

String sd = null;

StorageManager storageManager = (StorageManager) context

.getSystemService(Context.STORAGE_SERVICE);

StorageVolume[] volumes = storageManager.getVolumeList();

for (int i = 0; i < volumes.length; i++) {

if (volumes[i].isRemovable()&& volumes[i].allowMassStorage()

&& volumes[i].getDescription(context).contains("SD")) {

sd = volumes[i].getPath();

}

}

return sd;

}

public void registerReceivers(){

if(mReceiver == null){

mReceiver = new BroadcastReceiver() {

@Override

public void onReceive(Context context, Intent intent) {

// TODO Auto-generated method stub

Log.i("usb", "BroadcastReceiver."+ intent.getAction());

String action = intent.getAction();

if(action.equals("android.intent.action.MEDIA_CHECKING")){

Toast.makeText(context, "sdcard MEDIA_CHECKING",0).show();

//updateListMounted();01-01 09:20:41.663: I/usb(14544):path:/storage/emulated/0

/*String path = getSDPath(context);

Log.i("liting","path = " + path);

MediaScannerConnection.scanFile(context,

newString[]{path + "/DICM"},

null,null);

updateListMounted();*/

ad.start();

loading_layout.setVisibility(View.VISIBLE);

list_layout.setVisibility(View.INVISIBLE);

loading_text.setVisibility(View.VISIBLE);

}else if(action.equals("android.intent.action.MEDIA_SCANNER_FINISHED")){

Toast.makeText(context, "sdcard MEDIA_SCANNER_FINISHED", 0).show();

if(ad.isRunning()){

ad.stop();

loading_layout.setVisibility(View.INVISIBLE);

list_layout.setVisibility(View.VISIBLE);

loading_text.setVisibility(View.INVISIBLE);

}

}else if(action.equals("android.intent.action.ACTION_MEDIA_UNMOUNTED")){

Toast.makeText(context, "sdcard ACTION_MEDIA_UNMOUNTED", 0).show();

if(ad.isRunning()){

ad.stop();

loading_layout.setVisibility(View.INVISIBLE);

}

}

}

};

final IntentFilter filter = new IntentFilter();

filter.addAction(Intent.ACTION_MEDIA_BAD_REMOVAL);

filter.addAction(Intent.ACTION_MEDIA_BUTTON);

filter.addAction(Intent.ACTION_MEDIA_CHECKING);

filter.addAction(Intent.ACTION_MEDIA_EJECT);

filter.addAction(Intent.ACTION_MEDIA_MOUNTED);

filter.addAction(Intent.ACTION_MEDIA_NOFS);

filter.addAction(Intent.ACTION_MEDIA_REMOVED);

filter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);

filter.addAction(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);

filter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);

filter.addAction(Intent.ACTION_MEDIA_UNMOUNTABLE);

filter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);

filter.addAction(Intent.ACTION_MEDIA_SHARED);

filter.addDataScheme("file");

registerReceiver(mReceiver, filter);

}

}