import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Intent;
+import android.content.Context;
+import android.content.ComponentName;
+import android.content.ServiceConnection;
+import android.os.IBinder;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
import android.text.method.ScrollingMovementMethod;
import android.util.Log;
//import android.view.KeyEvent;
private static final String TAG = "AltosDroid";
private static final boolean D = true;
- // Message types sent from the BluetoothChatService Handler
- public static final int MESSAGE_STATE_CHANGE = 1;
- public static final int MESSAGE_READ = 2;
- public static final int MESSAGE_WRITE = 3;
- public static final int MESSAGE_DEVICE_NAME = 4;
- public static final int MESSAGE_TOAST = 5;
-
- // Key names received from the BluetoothChatService Handler
- public static final String DEVICE_NAME = "device_name";
- public static final String TOAST = "toast";
-
+ // Message types sent from the TelemetryService Handler
+ public static final int MSG_STATE_CHANGE = 1;
+ public static final int MSG_DEVNAME = 2;
+ public static final int MSG_INCOMING_TELEM = 3;
+ public static final int MSG_TOAST = 4;
+ // Key names received from the TelemetryService Handler
+ public static final String KEY_DEVNAME = "key_devname";
+ public static final String KEY_TOAST = "key_toast";
// Intent request codes
private static final int REQUEST_CONNECT_DEVICE = 1;
private TextView mSerialView;
//private EditText mOutEditText;
//private Button mSendButton;
+
+ private boolean mIsBound;
+ Messenger mService = null;
+ final Messenger mMessenger = new Messenger(new IncomingHandler());
+
// Name of the connected device
private String mConnectedDeviceName = null;
// Local Bluetooth adapter
private BluetoothAdapter mBluetoothAdapter = null;
+
+ // The Handler that gets information back from the Telemetry Service
+ class IncomingHandler extends Handler {
+ @Override
+ public void handleMessage(Message msg) {
+ switch (msg.what) {
+ case MSG_STATE_CHANGE:
+ if(D) Log.i(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
+ switch (msg.arg1) {
+ case TelemetryService.STATE_CONNECTED:
+ mTitle.setText(R.string.title_connected_to);
+ mTitle.append(mConnectedDeviceName);
+ mSerialView.setText("");
+ break;
+ case TelemetryService.STATE_CONNECTING:
+ mTitle.setText(R.string.title_connecting);
+ break;
+ case TelemetryService.STATE_READY:
+ case TelemetryService.STATE_NONE:
+ mTitle.setText(R.string.title_not_connected);
+ break;
+ }
+ break;
+ case MSG_INCOMING_TELEM:
+ byte[] buf = (byte[]) msg.obj;
+ // construct a string from the buffer
+ String telem = new String(buf);
+ mSerialView.append(telem);
+ break;
+ case MSG_DEVNAME:
+ // save the connected device's name
+ mConnectedDeviceName = msg.getData().getString(KEY_DEVNAME);
+ Toast.makeText(getApplicationContext(), "Connected to "
+ + mConnectedDeviceName, Toast.LENGTH_SHORT).show();
+ break;
+ case MSG_TOAST:
+ Toast.makeText(
+ getApplicationContext(),
+ msg.getData().getString(KEY_TOAST),
+ Toast.LENGTH_SHORT).show();
+ break;
+ }
+ }
+ };
+
+
+ private ServiceConnection mConnection = new ServiceConnection() {
+ public void onServiceConnected(ComponentName className, IBinder service) {
+ mService = new Messenger(service);
+ try {
+ Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
+ msg.replyTo = mMessenger;
+ mService.send(msg);
+ } catch (RemoteException e) {
+ // In this case the service has crashed before we could even do anything with it
+ }
+ }
+
+ public void onServiceDisconnected(ComponentName className) {
+ // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
+ mService = null;
+ }
+ };
+
+
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
return;
}
+ // Start Telemetry Service
+ startService(new Intent(AltosDroid.this, TelemetryService.class));
+
+ doBindService();
}
@Override
@Override
public void onDestroy() {
super.onDestroy();
+
+ doUnbindService();
+
if(D) Log.e(TAG, "--- ON DESTROY ---");
}
// Get the BLuetoothDevice object
BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
// Attempt to connect to the device
+ try {
+ //Message msg = Message.obtain(null, TelemetryService.MSG_CONNECT_TELEBT);
+ //msg.obj = device;
+ //mService.send(msg);
+ mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT_TELEBT, device));
+ } catch (RemoteException e) {
+ e.printStackTrace();
+ }
}
return false;
}
+
+ void doBindService() {
+ bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
+ mIsBound = true;
+ }
+
+ void doUnbindService() {
+ if (mIsBound) {
+ // If we have received the service, and hence registered with it, then now is the time to unregister.
+ if (mService != null) {
+ try {
+ Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
+ msg.replyTo = mMessenger;
+ mService.send(msg);
+ } catch (RemoteException e) {
+ // There is nothing special we need to do if the service has crashed.
+ }
+ }
+ // Detach our existing connection.
+ unbindService(mConnection);
+ mIsBound = false;
+ }
+ }
+
}
projects / fw / altos / blobdiff