git.gag.com Git - fw/altos/blob - altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java

   1 /*
   2  * Copyright © 2012 Mike Beattie <mike@ethernal.org>
   3  *
   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.
   7  *
   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.
  12  *
  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.
  16  */
  17
  18 package org.altusmetrum.AltosDroid;
  19
  20 import java.lang.ref.WeakReference;
  21
  22 import android.app.Activity;
  23 import android.bluetooth.BluetoothAdapter;
  24 import android.bluetooth.BluetoothDevice;
  25 import android.content.Intent;
  26 import android.content.Context;
  27 import android.content.ComponentName;
  28 import android.content.ServiceConnection;
  29 import android.os.IBinder;
  30 import android.os.Bundle;
  31 import android.os.Handler;
  32 import android.os.Message;
  33 import android.os.Messenger;
  34 import android.os.RemoteException;
  35 import android.speech.tts.TextToSpeech;
  36 import android.speech.tts.TextToSpeech.OnInitListener;
  37 import android.text.method.ScrollingMovementMethod;
  38 import android.util.Log;
  39 import android.view.Menu;
  40 import android.view.MenuInflater;
  41 import android.view.MenuItem;
  42 import android.view.Window;
  43 import android.widget.TextView;
  44 import android.widget.Toast;
  45
  46 import org.altusmetrum.AltosLib.*;
  47
  48 /**
  49  * This is the main Activity that displays the current chat session.
  50  */
  51 public class AltosDroid extends Activity {
  52         // Debugging
  53         private static final String TAG = "AltosDroid";
  54         private static final boolean D = true;
  55
  56         // Message types received by our Handler
  57         public static final int MSG_STATE_CHANGE    = 1;
  58         public static final int MSG_TELEMETRY       = 2;
  59
  60         // Intent request codes
  61         private static final int REQUEST_CONNECT_DEVICE = 1;
  62         private static final int REQUEST_ENABLE_BT      = 2;
  63
  64         // Layout Views
  65         private TextView mTitle;
  66         private TextView mSerialView;
  67
  68         // Service
  69         private boolean mIsBound   = false;
  70         private Messenger mService = null;
  71         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
  72
  73         // TeleBT Config data
  74         private AltosConfigData mConfigData = null;
  75         // Local Bluetooth adapter
  76         private BluetoothAdapter mBluetoothAdapter = null;
  77
  78         // Text to Speech
  79         private TextToSpeech tts    = null;
  80         private boolean tts_enabled = false;
  81
  82         // The Handler that gets information back from the Telemetry Service
  83         static class IncomingHandler extends Handler {
  84                 private final WeakReference<AltosDroid> mAltosDroid;
  85                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
  86
  87                 @Override
  88                 public void handleMessage(Message msg) {
  89                         AltosDroid ad = mAltosDroid.get();
  90                         switch (msg.what) {
  91                         case MSG_STATE_CHANGE:
  92                                 if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
  93                                 switch (msg.arg1) {
  94                                 case TelemetryService.STATE_CONNECTED:
  95                                         ad.mConfigData = (AltosConfigData) msg.obj;
  96                                         String str = String.format(" %s S/N: %d", ad.mConfigData.product, ad.mConfigData.serial);
  97                                         ad.mTitle.setText(R.string.title_connected_to);
  98                                         ad.mTitle.append(str);
  99                                         Toast.makeText(ad.getApplicationContext(), "Connected to " + str, Toast.LENGTH_SHORT).show();
 100                                         break;
 101                                 case TelemetryService.STATE_CONNECTING:
 102                                         ad.mTitle.setText(R.string.title_connecting);
 103                                         break;
 104                                 case TelemetryService.STATE_READY:
 105                                 case TelemetryService.STATE_NONE:
 106                                         ad.mConfigData = null;
 107                                         ad.mTitle.setText(R.string.title_not_connected);
 108                                         ad.mSerialView.setText("");
 109                                         break;
 110                                 }
 111                                 break;
 112                         case MSG_TELEMETRY:
 113                                 //byte[] buf = (byte[]) msg.obj;
 114                                 // construct a string from the buffer
 115                                 //String telem = new String(buf);
 116                                 //ad.mSerialView.append(telem);
 117                                 break;
 118                         }
 119                 }
 120         };
 121
 122
 123         private ServiceConnection mConnection = new ServiceConnection() {
 124                 public void onServiceConnected(ComponentName className, IBinder service) {
 125                         mService = new Messenger(service);
 126                         try {
 127                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 128                                 msg.replyTo = mMessenger;
 129                                 mService.send(msg);
 130                         } catch (RemoteException e) {
 131                                 // In this case the service has crashed before we could even do anything with it
 132                         }
 133                 }
 134
 135                 public void onServiceDisconnected(ComponentName className) {
 136                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 137                         mService = null;
 138                 }
 139         };
 140
 141
 142         @Override
 143         public void onCreate(Bundle savedInstanceState) {
 144                 super.onCreate(savedInstanceState);
 145                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 146
 147                 // Set up the window layout
 148                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 149                 setContentView(R.layout.main);
 150                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 151
 152                 // Set up the custom title
 153                 mTitle = (TextView) findViewById(R.id.title_left_text);
 154                 mTitle.setText(R.string.app_name);
 155                 mTitle = (TextView) findViewById(R.id.title_right_text);
 156
 157                 // Set up the temporary Text View
 158                 mSerialView = (TextView) findViewById(R.id.in);
 159                 mSerialView.setMovementMethod(new ScrollingMovementMethod());
 160                 mSerialView.setClickable(false);
 161                 mSerialView.setLongClickable(false);
 162
 163                 // Get local Bluetooth adapter
 164                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 165
 166                 // If the adapter is null, then Bluetooth is not supported
 167                 if (mBluetoothAdapter == null) {
 168                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 169                         finish();
 170                         return;
 171                 }
 172
 173                 // Enable Text to Speech
 174                 tts = new TextToSpeech(this, new OnInitListener() {
 175                         public void onInit(int status) {
 176                                 if (status == TextToSpeech.SUCCESS) tts_enabled = true;
 177                                 if (tts_enabled) tts.speak("AltosDroid ready", TextToSpeech.QUEUE_ADD, null );
 178                         }
 179                 });
 180
 181                 // Start Telemetry Service
 182                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 183
 184                 doBindService();
 185         }
 186
 187         @Override
 188         public void onStart() {
 189                 super.onStart();
 190                 if(D) Log.e(TAG, "++ ON START ++");
 191
 192                 if (!mBluetoothAdapter.isEnabled()) {
 193                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 194                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 195                 }
 196         }
 197
 198         @Override
 199         public synchronized void onResume() {
 200                 super.onResume();
 201                 if(D) Log.e(TAG, "+ ON RESUME +");
 202
 203         }
 204
 205         @Override
 206         public synchronized void onPause() {
 207                 super.onPause();
 208                 if(D) Log.e(TAG, "- ON PAUSE -");
 209         }
 210
 211         @Override
 212         public void onStop() {
 213                 super.onStop();
 214                 if(D) Log.e(TAG, "-- ON STOP --");
 215         }
 216
 217         @Override
 218         public void onDestroy() {
 219                 super.onDestroy();
 220
 221                 doUnbindService();
 222
 223                 if (tts != null) tts.shutdown();
 224
 225                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 226         }
 227
 228
 229
 230
 231         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 232                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 233                 switch (requestCode) {
 234                 case REQUEST_CONNECT_DEVICE:
 235                         // When DeviceListActivity returns with a device to connect to
 236                         if (resultCode == Activity.RESULT_OK) {
 237                                 connectDevice(data);
 238                         }
 239                         break;
 240                 case REQUEST_ENABLE_BT:
 241                         // When the request to enable Bluetooth returns
 242                         if (resultCode == Activity.RESULT_OK) {
 243                                 // Bluetooth is now enabled, so set up a chat session
 244                                 //setupChat();
 245                         } else {
 246                                 // User did not enable Bluetooth or an error occured
 247                                 Log.e(TAG, "BT not enabled");
 248                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 249                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 250                                 finish();
 251                         }
 252                         break;
 253                 }
 254         }
 255
 256         private void connectDevice(Intent data) {
 257                 // Get the device MAC address
 258                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 259                 // Get the BLuetoothDevice object
 260                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 261                 // Attempt to connect to the device
 262                 try {
 263                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 264                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 265                 } catch (RemoteException e) {
 266                 }
 267         }
 268
 269         @Override
 270         public boolean onCreateOptionsMenu(Menu menu) {
 271                 MenuInflater inflater = getMenuInflater();
 272                 inflater.inflate(R.menu.option_menu, menu);
 273                 return true;
 274         }
 275
 276         @Override
 277         public boolean onOptionsItemSelected(MenuItem item) {
 278                 Intent serverIntent = null;
 279                 switch (item.getItemId()) {
 280                 case R.id.connect_scan:
 281                         // Launch the DeviceListActivity to see devices and do scan
 282                         serverIntent = new Intent(this, DeviceListActivity.class);
 283                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 284                         return true;
 285                 }
 286                 return false;
 287         }
 288
 289
 290         void doBindService() {
 291                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 292                 mIsBound = true;
 293         }
 294
 295         void doUnbindService() {
 296                 if (mIsBound) {
 297                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 298                         if (mService != null) {
 299                                 try {
 300                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 301                                         msg.replyTo = mMessenger;
 302                                         mService.send(msg);
 303                                 } catch (RemoteException e) {
 304                                         // There is nothing special we need to do if the service has crashed.
 305                                 }
 306                         }
 307                         // Detach our existing connection.
 308                         unbindService(mConnection);
 309                         mIsBound = false;
 310                 }
 311         }
 312
 313 }