/** Stop all threads */
public synchronized void stop() {
if (DEBUG) {
Log.i(TAG, "Synchronized stop()");
}
if (mConnectThread != null) {
mConnectThread.closeSocket();
mConnectThread = null;
}
if (mConnectedThread != null) {
mConnectedThread.closeSocket();
mConnectedThread = null;
}
if (mSecureAcceptThread != null) {
mSecureAcceptThread.closeSocket();
mSecureAcceptThread = null;
}
if (mInsecureAcceptThread != null) {
mInsecureAcceptThread.closeSocket();
mInsecureAcceptThread = null;
}
setState(STATE_NONE);
}
/**
* Start the chat service. Specifically start AcceptThread to begin a session in listening
* (server) mode. Called by the Activity onResume()
*/
public synchronized void start() {
if (DEBUG) {
Log.i(TAG, "Synchronized start()");
}
// Cancel any thread attempting to make a connection
if (mConnectThread != null) {
mConnectThread.closeSocket();
mConnectThread = null;
}
// Cancel any thread currently running a connection
if (mConnectedThread != null) {
mConnectedThread.closeSocket();
mConnectedThread = null;
}
setState(STATE_LISTEN);
// Start the thread to listen on a BluetoothServerSocket
if (mSecureAcceptThread == null) {
mSecureAcceptThread = new AcceptThread(true);
mSecureAcceptThread.start();
}
if (mInsecureAcceptThread == null) {
mInsecureAcceptThread = new AcceptThread(false);
mInsecureAcceptThread.start();
}
}
/**
* Start the ConnectedThread to begin managing a Bluetooth connection
*
* @param socket The BluetoothSocket on which the connection was made
* @param device The BluetoothDevice that has been connected
* @param socketType
*/
public synchronized void connected(
BluetoothSocket socket, BluetoothDevice device, final String socketType) {
if (DEBUG) {
Log.i(TAG, "Synchronized connected, Socket Type:" + socketType);
}
// Cancel the thread that completed the connection
if (mConnectThread != null) {
mConnectThread.closeSocket();
mConnectThread = null;
}
// Cancel any thread currently running a connection
if (mConnectedThread != null) {
mConnectedThread.closeSocket();
mConnectedThread = null;
}
// Cancel the accept thread because we only want to connect to one device
if (mSecureAcceptThread != null) {
mSecureAcceptThread.closeSocket();
mSecureAcceptThread = null;
}
if (mInsecureAcceptThread != null) {
mInsecureAcceptThread.closeSocket();
mInsecureAcceptThread = null;
}
// Start the thread to manage the connection and perform transmissions
mConnectedThread = new ConnectedThread(socket, socketType);
mConnectedThread.start();
// Send the name of the connected device back to the UI Activity
Message msg = mHandler.obtainMessage(MESSAGE_DEVICE_NAME);
Bundle bundle = new Bundle();
bundle.putString(DEVICE_NAME, device.getName());
msg.setData(bundle);
mHandler.sendMessage(msg);
setState(STATE_CONNECTED);
}
/**
* Start the ConnectThread to initiate a connection to a remote device.
*
* @param device The BluetoothDevice to connect
* @param secure Socket Security type - Secure (true) , Insecure (false)
*/
public synchronized void connect(BluetoothDevice device, boolean secure) {
if (DEBUG) {
Log.i(TAG, "Synchronized connect to: " + device);
}
// Cancel any thread attempting to make a connection
if (mState == STATE_CONNECTING) {
if (mConnectThread != null) {
mConnectThread.closeSocket();
mConnectThread = null;
}
}
// Cancel any thread currently running a connection
if (mConnectedThread != null) {
mConnectedThread.closeSocket();
mConnectedThread = null;
}
// Start the thread to connect with the given device
mConnectThread = new ConnectThread(device, secure);
mConnectThread.start();
setState(STATE_CONNECTING);
}
