public void stopSearch() {
Log.d(TAG, "Stop search");
mStarted = false;
mStopped = true;
leaveGroup(mMulticastAddress);
NetWorkUtil.releaseWifiMultiCastLock();
closeSocket();
mInstance = null;
}
public void startSearch() {
Log.d(TAG, "Start search.");
if (mStarted) {
Log.d(TAG, "startSearch() ignore, search is already started.");
return;
}
mStarted = true;
NetWorkUtil.acquireWifiMultiCastLock(mContext);
Thread searchThread = new Thread(this);
searchThread.start();
}