2 * Copyright © 2012 Mike Beattie <mike@ethernal.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 package org.altusmetrum.AltosDroid;
20 import java.lang.ref.WeakReference;
21 import android.app.Activity;
22 import android.bluetooth.BluetoothAdapter;
23 import android.bluetooth.BluetoothDevice;
24 import android.content.Intent;
25 import android.content.Context;
26 import android.content.ComponentName;
27 import android.content.ServiceConnection;
28 import android.os.IBinder;
29 import android.os.Bundle;
30 import android.os.Handler;
31 import android.os.Message;
32 import android.os.Messenger;
33 import android.os.RemoteException;
34 import android.speech.tts.TextToSpeech;
35 import android.speech.tts.TextToSpeech.OnInitListener;
36 import android.text.method.ScrollingMovementMethod;
37 import android.util.Log;
38 //import android.view.KeyEvent;
39 import android.view.Menu;
40 import android.view.MenuInflater;
41 import android.view.MenuItem;
42 //import android.view.View;
43 import android.view.Window;
44 //import android.view.View.OnClickListener;
45 //import android.view.inputmethod.EditorInfo;
46 //import android.widget.Button;
47 //import android.widget.EditText;
48 import android.widget.TextView;
49 import android.widget.Toast;
50 import org.altusmetrum.AltosDroid.R;
53 * This is the main Activity that displays the current chat session.
55 public class AltosDroid extends Activity {
57 private static final String TAG = "AltosDroid";
58 private static final boolean D = true;
60 // Message types sent from the TelemetryService Handler
61 public static final int MSG_STATE_CHANGE = 1;
62 public static final int MSG_DEVNAME = 2;
63 public static final int MSG_INCOMING_TELEM = 3;
64 public static final int MSG_TOAST = 4;
66 // Intent request codes
67 private static final int REQUEST_CONNECT_DEVICE = 1;
68 private static final int REQUEST_ENABLE_BT = 2;
71 private TextView mTitle;
72 private TextView mSerialView;
73 //private EditText mOutEditText;
74 //private Button mSendButton;
76 private boolean mIsBound;
77 Messenger mService = null;
78 final Messenger mMessenger = new Messenger(new IncomingHandler(this));
80 // Name of the connected device
81 private String mConnectedDeviceName = null;
82 // Local Bluetooth adapter
83 private BluetoothAdapter mBluetoothAdapter = null;
85 private TextToSpeech tts;
86 private boolean tts_enabled = false;
88 // The Handler that gets information back from the Telemetry Service
89 static class IncomingHandler extends Handler {
90 private final WeakReference<AltosDroid> mAltosDroid;
91 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
94 public void handleMessage(Message msg) {
95 AltosDroid ad = mAltosDroid.get();
97 case MSG_STATE_CHANGE:
98 if(D) Log.i(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
100 case TelemetryService.STATE_CONNECTED:
101 ad.mTitle.setText(R.string.title_connected_to);
102 ad.mTitle.append(ad.mConnectedDeviceName);
103 ad.mSerialView.setText("");
105 case TelemetryService.STATE_CONNECTING:
106 ad.mTitle.setText(R.string.title_connecting);
108 case TelemetryService.STATE_READY:
109 case TelemetryService.STATE_NONE:
110 ad.mTitle.setText(R.string.title_not_connected);
114 case MSG_INCOMING_TELEM:
115 byte[] buf = (byte[]) msg.obj;
116 // construct a string from the buffer
117 String telem = new String(buf);
118 ad.mSerialView.append(telem);
121 // save the connected device's name
122 ad.mConnectedDeviceName = (String) msg.obj;
123 if (ad.mConnectedDeviceName != null)
124 Toast.makeText(ad.getApplicationContext(), "Connected to "
125 + ad.mConnectedDeviceName, Toast.LENGTH_SHORT).show();
129 ad.getApplicationContext(),
131 Toast.LENGTH_SHORT).show();
138 private ServiceConnection mConnection = new ServiceConnection() {
139 public void onServiceConnected(ComponentName className, IBinder service) {
140 mService = new Messenger(service);
142 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
143 msg.replyTo = mMessenger;
145 } catch (RemoteException e) {
146 // In this case the service has crashed before we could even do anything with it
150 public void onServiceDisconnected(ComponentName className) {
151 // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
158 public void onCreate(Bundle savedInstanceState) {
159 super.onCreate(savedInstanceState);
160 if(D) Log.e(TAG, "+++ ON CREATE +++");
162 // Set up the window layout
163 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
164 setContentView(R.layout.main);
165 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
167 // Set up the custom title
168 mTitle = (TextView) findViewById(R.id.title_left_text);
169 mTitle.setText(R.string.app_name);
170 mTitle = (TextView) findViewById(R.id.title_right_text);
172 mSerialView = (TextView) findViewById(R.id.in);
173 mSerialView.setMovementMethod(new ScrollingMovementMethod());
174 mSerialView.setClickable(false);
175 mSerialView.setLongClickable(false);
177 // Get local Bluetooth adapter
178 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
180 // If the adapter is null, then Bluetooth is not supported
181 if (mBluetoothAdapter == null) {
182 Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
187 // Enable Text to Speech
188 tts = new TextToSpeech(this, new OnInitListener() {
189 public void onInit(int status) {
190 if (status == TextToSpeech.SUCCESS) tts_enabled = true;
191 if (tts_enabled) tts.speak("AltosDroid ready", TextToSpeech.QUEUE_ADD, null );
195 // Start Telemetry Service
196 startService(new Intent(AltosDroid.this, TelemetryService.class));
202 public void onStart() {
204 if(D) Log.e(TAG, "++ ON START ++");
206 if (!mBluetoothAdapter.isEnabled()) {
207 Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
208 startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
210 //if (mChatService == null) setupChat();
215 public synchronized void onResume() {
217 if(D) Log.e(TAG, "+ ON RESUME +");
219 // Performing this check in onResume() covers the case in which BT was
220 // not enabled during onStart(), so we were paused to enable it...
221 // onResume() will be called when ACTION_REQUEST_ENABLE activity returns.
222 //if (mChatService != null) {
223 // Only if the state is STATE_NONE, do we know that we haven't started already
224 //if (mChatService.getState() == BluetoothChatService.STATE_NONE) {
225 // Start the Bluetooth chat services
226 //mChatService.start();
232 public synchronized void onPause() {
234 if(D) Log.e(TAG, "- ON PAUSE -");
238 public void onStop() {
240 if(D) Log.e(TAG, "-- ON STOP --");
244 public void onDestroy() {
249 if (tts != null) tts.shutdown();
251 if(D) Log.e(TAG, "--- ON DESTROY ---");
257 private void setupChat() {
258 Log.d(TAG, "setupChat()");
260 // Initialize the compose field with a listener for the return key
261 mOutEditText = (EditText) findViewById(R.id.edit_text_out);
262 mOutEditText.setOnEditorActionListener(mWriteListener);
264 // Initialize the send button with a listener that for click events
265 mSendButton = (Button) findViewById(R.id.button_send);
266 mSendButton.setOnClickListener(new OnClickListener() {
267 public void onClick(View v) {
268 // Send a message using content of the edit text widget
269 TextView view = (TextView) findViewById(R.id.edit_text_out);
270 String message = view.getText().toString();
271 sendMessage(message);
275 // Initialize the BluetoothChatService to perform bluetooth connections
276 mChatService = new BluetoothChatService(this, mHandler);
278 // Initialize the buffer for outgoing messages
279 mOutStringBuffer = new StringBuffer("");
285 * @param message A string of text to send.
288 private void sendMessage(String message) {
289 // Check that we're actually connected before trying anything
290 if (mChatService.getState() != BluetoothChatService.STATE_CONNECTED) {
291 Toast.makeText(this, R.string.not_connected, Toast.LENGTH_SHORT).show();
295 // Check that there's actually something to send
296 if (message.length() > 0) {
297 // Get the message bytes and tell the BluetoothChatService to write
298 byte[] send = message.getBytes();
299 mChatService.write(send);
301 // Reset out string buffer to zero and clear the edit text field
302 mOutStringBuffer.setLength(0);
303 mOutEditText.setText(mOutStringBuffer);
308 // The action listener for the EditText widget, to listen for the return key
309 private TextView.OnEditorActionListener mWriteListener =
310 new TextView.OnEditorActionListener() {
311 public boolean onEditorAction(TextView view, int actionId, KeyEvent event) {
312 // If the action is a key-up event on the return key, send the message
313 if (actionId == EditorInfo.IME_NULL && event.getAction() == KeyEvent.ACTION_UP) {
314 String message = view.getText().toString();
315 sendMessage(message);
317 if(D) Log.i(TAG, "END onEditorAction");
323 public void onActivityResult(int requestCode, int resultCode, Intent data) {
324 if(D) Log.d(TAG, "onActivityResult " + resultCode);
325 switch (requestCode) {
326 case REQUEST_CONNECT_DEVICE:
327 // When DeviceListActivity returns with a device to connect to
328 if (resultCode == Activity.RESULT_OK) {
332 case REQUEST_ENABLE_BT:
333 // When the request to enable Bluetooth returns
334 if (resultCode == Activity.RESULT_OK) {
335 // Bluetooth is now enabled, so set up a chat session
338 // User did not enable Bluetooth or an error occured
339 Log.d(TAG, "BT not enabled");
340 stopService(new Intent(AltosDroid.this, TelemetryService.class));
341 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
348 private void connectDevice(Intent data) {
349 // Get the device MAC address
350 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
351 // Get the BLuetoothDevice object
352 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
353 // Attempt to connect to the device
355 //Message msg = Message.obtain(null, TelemetryService.MSG_CONNECT_TELEBT);
357 //mService.send(msg);
358 if (D) Log.i(TAG, "Connecting to " + device.getName());
359 mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
360 } catch (RemoteException e) {
366 public boolean onCreateOptionsMenu(Menu menu) {
367 MenuInflater inflater = getMenuInflater();
368 inflater.inflate(R.menu.option_menu, menu);
373 public boolean onOptionsItemSelected(MenuItem item) {
374 Intent serverIntent = null;
375 switch (item.getItemId()) {
376 case R.id.connect_scan:
377 // Launch the DeviceListActivity to see devices and do scan
378 serverIntent = new Intent(this, DeviceListActivity.class);
379 startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
386 void doBindService() {
387 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
391 void doUnbindService() {
393 // If we have received the service, and hence registered with it, then now is the time to unregister.
394 if (mService != null) {
396 Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
397 msg.replyTo = mMessenger;
399 } catch (RemoteException e) {
400 // There is nothing special we need to do if the service has crashed.
403 // Detach our existing connection.
404 unbindService(mConnection);