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 android.app.Activity;
21 import android.bluetooth.BluetoothAdapter;
22 import android.bluetooth.BluetoothDevice;
23 import android.content.Intent;
24 import android.content.Context;
25 import android.content.ComponentName;
26 import android.content.ServiceConnection;
27 import android.os.IBinder;
28 import android.os.Bundle;
29 import android.os.Handler;
30 import android.os.Message;
31 import android.os.Messenger;
32 import android.os.RemoteException;
33 import android.text.method.ScrollingMovementMethod;
34 import android.util.Log;
35 //import android.view.KeyEvent;
36 import android.view.Menu;
37 import android.view.MenuInflater;
38 import android.view.MenuItem;
39 //import android.view.View;
40 import android.view.Window;
41 //import android.view.View.OnClickListener;
42 //import android.view.inputmethod.EditorInfo;
43 //import android.widget.Button;
44 //import android.widget.EditText;
45 import android.widget.TextView;
46 import android.widget.Toast;
47 import org.altusmetrum.AltosDroid.R;
50 * This is the main Activity that displays the current chat session.
52 public class AltosDroid extends Activity {
54 private static final String TAG = "AltosDroid";
55 private static final boolean D = true;
57 // Message types sent from the TelemetryService Handler
58 public static final int MSG_STATE_CHANGE = 1;
59 public static final int MSG_DEVNAME = 2;
60 public static final int MSG_INCOMING_TELEM = 3;
61 public static final int MSG_TOAST = 4;
63 // Key names received from the TelemetryService Handler
64 public static final String KEY_DEVNAME = "key_devname";
65 public static final String KEY_TOAST = "key_toast";
67 // Intent request codes
68 private static final int REQUEST_CONNECT_DEVICE = 1;
69 private static final int REQUEST_ENABLE_BT = 2;
72 private TextView mTitle;
73 private TextView mSerialView;
74 //private EditText mOutEditText;
75 //private Button mSendButton;
77 private boolean mIsBound;
78 Messenger mService = null;
79 final Messenger mMessenger = new Messenger(new IncomingHandler());
81 // Name of the connected device
82 private String mConnectedDeviceName = null;
83 // Local Bluetooth adapter
84 private BluetoothAdapter mBluetoothAdapter = null;
87 // The Handler that gets information back from the Telemetry Service
88 class IncomingHandler extends Handler {
90 public void handleMessage(Message msg) {
92 case MSG_STATE_CHANGE:
93 if(D) Log.i(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
95 case TelemetryService.STATE_CONNECTED:
96 mTitle.setText(R.string.title_connected_to);
97 mTitle.append(mConnectedDeviceName);
98 mSerialView.setText("");
100 case TelemetryService.STATE_CONNECTING:
101 mTitle.setText(R.string.title_connecting);
103 case TelemetryService.STATE_READY:
104 case TelemetryService.STATE_NONE:
105 mTitle.setText(R.string.title_not_connected);
109 case MSG_INCOMING_TELEM:
110 byte[] buf = (byte[]) msg.obj;
111 // construct a string from the buffer
112 String telem = new String(buf);
113 mSerialView.append(telem);
116 // save the connected device's name
117 mConnectedDeviceName = msg.getData().getString(KEY_DEVNAME);
118 Toast.makeText(getApplicationContext(), "Connected to "
119 + mConnectedDeviceName, Toast.LENGTH_SHORT).show();
123 getApplicationContext(),
124 msg.getData().getString(KEY_TOAST),
125 Toast.LENGTH_SHORT).show();
132 private ServiceConnection mConnection = new ServiceConnection() {
133 public void onServiceConnected(ComponentName className, IBinder service) {
134 mService = new Messenger(service);
136 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
137 msg.replyTo = mMessenger;
139 } catch (RemoteException e) {
140 // In this case the service has crashed before we could even do anything with it
144 public void onServiceDisconnected(ComponentName className) {
145 // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
152 public void onCreate(Bundle savedInstanceState) {
153 super.onCreate(savedInstanceState);
154 if(D) Log.e(TAG, "+++ ON CREATE +++");
156 // Set up the window layout
157 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
158 setContentView(R.layout.main);
159 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
161 // Set up the custom title
162 mTitle = (TextView) findViewById(R.id.title_left_text);
163 mTitle.setText(R.string.app_name);
164 mTitle = (TextView) findViewById(R.id.title_right_text);
166 mSerialView = (TextView) findViewById(R.id.in);
167 mSerialView.setMovementMethod(new ScrollingMovementMethod());
168 mSerialView.setClickable(false);
169 mSerialView.setLongClickable(false);
171 // Get local Bluetooth adapter
172 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
174 // If the adapter is null, then Bluetooth is not supported
175 if (mBluetoothAdapter == null) {
176 Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
181 // Start Telemetry Service
182 startService(new Intent(AltosDroid.this, TelemetryService.class));
188 public void onStart() {
190 if(D) Log.e(TAG, "++ ON START ++");
192 if (!mBluetoothAdapter.isEnabled()) {
193 Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
194 startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
196 //if (mChatService == null) setupChat();
201 public synchronized void onResume() {
203 if(D) Log.e(TAG, "+ ON RESUME +");
205 // Performing this check in onResume() covers the case in which BT was
206 // not enabled during onStart(), so we were paused to enable it...
207 // onResume() will be called when ACTION_REQUEST_ENABLE activity returns.
208 //if (mChatService != null) {
209 // Only if the state is STATE_NONE, do we know that we haven't started already
210 //if (mChatService.getState() == BluetoothChatService.STATE_NONE) {
211 // Start the Bluetooth chat services
212 //mChatService.start();
218 public synchronized void onPause() {
220 if(D) Log.e(TAG, "- ON PAUSE -");
224 public void onStop() {
226 if(D) Log.e(TAG, "-- ON STOP --");
230 public void onDestroy() {
235 if(D) Log.e(TAG, "--- ON DESTROY ---");
241 private void setupChat() {
242 Log.d(TAG, "setupChat()");
244 // Initialize the compose field with a listener for the return key
245 mOutEditText = (EditText) findViewById(R.id.edit_text_out);
246 mOutEditText.setOnEditorActionListener(mWriteListener);
248 // Initialize the send button with a listener that for click events
249 mSendButton = (Button) findViewById(R.id.button_send);
250 mSendButton.setOnClickListener(new OnClickListener() {
251 public void onClick(View v) {
252 // Send a message using content of the edit text widget
253 TextView view = (TextView) findViewById(R.id.edit_text_out);
254 String message = view.getText().toString();
255 sendMessage(message);
259 // Initialize the BluetoothChatService to perform bluetooth connections
260 mChatService = new BluetoothChatService(this, mHandler);
262 // Initialize the buffer for outgoing messages
263 mOutStringBuffer = new StringBuffer("");
269 * @param message A string of text to send.
272 private void sendMessage(String message) {
273 // Check that we're actually connected before trying anything
274 if (mChatService.getState() != BluetoothChatService.STATE_CONNECTED) {
275 Toast.makeText(this, R.string.not_connected, Toast.LENGTH_SHORT).show();
279 // Check that there's actually something to send
280 if (message.length() > 0) {
281 // Get the message bytes and tell the BluetoothChatService to write
282 byte[] send = message.getBytes();
283 mChatService.write(send);
285 // Reset out string buffer to zero and clear the edit text field
286 mOutStringBuffer.setLength(0);
287 mOutEditText.setText(mOutStringBuffer);
292 // The action listener for the EditText widget, to listen for the return key
293 private TextView.OnEditorActionListener mWriteListener =
294 new TextView.OnEditorActionListener() {
295 public boolean onEditorAction(TextView view, int actionId, KeyEvent event) {
296 // If the action is a key-up event on the return key, send the message
297 if (actionId == EditorInfo.IME_NULL && event.getAction() == KeyEvent.ACTION_UP) {
298 String message = view.getText().toString();
299 sendMessage(message);
301 if(D) Log.i(TAG, "END onEditorAction");
307 public void onActivityResult(int requestCode, int resultCode, Intent data) {
308 if(D) Log.d(TAG, "onActivityResult " + resultCode);
309 switch (requestCode) {
310 case REQUEST_CONNECT_DEVICE:
311 // When DeviceListActivity returns with a device to connect to
312 if (resultCode == Activity.RESULT_OK) {
316 case REQUEST_ENABLE_BT:
317 // When the request to enable Bluetooth returns
318 if (resultCode == Activity.RESULT_OK) {
319 // Bluetooth is now enabled, so set up a chat session
322 // User did not enable Bluetooth or an error occured
323 Log.d(TAG, "BT not enabled");
324 stopService(new Intent(AltosDroid.this, TelemetryService.class));
325 Toast.makeText(this, R.string.bt_not_enabled_leaving, Toast.LENGTH_SHORT).show();
331 private void connectDevice(Intent data) {
332 // Get the device MAC address
333 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
334 // Get the BLuetoothDevice object
335 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
336 // Attempt to connect to the device
338 //Message msg = Message.obtain(null, TelemetryService.MSG_CONNECT_TELEBT);
340 //mService.send(msg);
341 mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT_TELEBT, device));
342 } catch (RemoteException e) {
349 public boolean onCreateOptionsMenu(Menu menu) {
350 MenuInflater inflater = getMenuInflater();
351 inflater.inflate(R.menu.option_menu, menu);
356 public boolean onOptionsItemSelected(MenuItem item) {
357 Intent serverIntent = null;
358 switch (item.getItemId()) {
359 case R.id.connect_scan:
360 // Launch the DeviceListActivity to see devices and do scan
361 serverIntent = new Intent(this, DeviceListActivity.class);
362 startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
369 void doBindService() {
370 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
374 void doUnbindService() {
376 // If we have received the service, and hence registered with it, then now is the time to unregister.
377 if (mService != null) {
379 Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
380 msg.replyTo = mMessenger;
382 } catch (RemoteException e) {
383 // There is nothing special we need to do if the service has crashed.
386 // Detach our existing connection.
387 unbindService(mConnection);