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         void doBindService() {
 143                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 144                 mIsBound = true;
 145         }
 146
 147         void doUnbindService() {
 148                 if (mIsBound) {
 149                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 150                         if (mService != null) {
 151                                 try {
 152                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 153                                         msg.replyTo = mMessenger;
 154                                         mService.send(msg);
 155                                 } catch (RemoteException e) {
 156                                         // There is nothing special we need to do if the service has crashed.
 157                                 }
 158                         }
 159                         // Detach our existing connection.
 160                         unbindService(mConnection);
 161                         mIsBound = false;
 162                 }
 163         }
 164
 165
 166         @Override
 167         public void onCreate(Bundle savedInstanceState) {
 168                 super.onCreate(savedInstanceState);
 169                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 170
 171                 // Set up the window layout
 172                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 173                 setContentView(R.layout.main);
 174                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 175
 176                 // Set up the custom title
 177                 mTitle = (TextView) findViewById(R.id.title_left_text);
 178                 mTitle.setText(R.string.app_name);
 179                 mTitle = (TextView) findViewById(R.id.title_right_text);
 180
 181                 // Set up the temporary Text View
 182                 mSerialView = (TextView) findViewById(R.id.in);
 183                 mSerialView.setMovementMethod(new ScrollingMovementMethod());
 184                 mSerialView.setClickable(false);
 185                 mSerialView.setLongClickable(false);
 186
 187                 // Get local Bluetooth adapter
 188                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 189
 190                 // If the adapter is null, then Bluetooth is not supported
 191                 if (mBluetoothAdapter == null) {
 192                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 193                         finish();
 194                         return;
 195                 }
 196
 197                 // Enable Text to Speech
 198                 tts = new TextToSpeech(this, new OnInitListener() {
 199                         public void onInit(int status) {
 200                                 if (status == TextToSpeech.SUCCESS) tts_enabled = true;
 201                                 if (tts_enabled) tts.speak("AltosDroid ready", TextToSpeech.QUEUE_ADD, null );
 202                         }
 203                 });
 204
 205         }
 206
 207         @Override
 208         public void onStart() {
 209                 super.onStart();
 210                 if(D) Log.e(TAG, "++ ON START ++");
 211
 212                 if (!mBluetoothAdapter.isEnabled()) {
 213                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 214                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 215                 }
 216
 217                 // Start Telemetry Service
 218                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 219
 220                 doBindService();
 221         }
 222
 223         @Override
 224         public synchronized void onResume() {
 225                 super.onResume();
 226                 if(D) Log.e(TAG, "+ ON RESUME +");
 227         }
 228
 229         @Override
 230         public synchronized void onPause() {
 231                 super.onPause();
 232                 if(D) Log.e(TAG, "- ON PAUSE -");
 233         }
 234
 235         @Override
 236         public void onStop() {
 237                 super.onStop();
 238                 if(D) Log.e(TAG, "-- ON STOP --");
 239
 240                 doUnbindService();
 241         }
 242
 243         @Override
 244         public void onDestroy() {
 245                 super.onDestroy();
 246                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 247
 248                 if (tts != null) tts.shutdown();
 249         }
 250
 251
 252
 253
 254         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 255                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 256                 switch (requestCode) {
 257                 case REQUEST_CONNECT_DEVICE:
 258                         // When DeviceListActivity returns with a device to connect to
 259                         if (resultCode == Activity.RESULT_OK) {
 260                                 connectDevice(data);
 261                         }
 262                         break;
 263                 case REQUEST_ENABLE_BT:
 264                         // When the request to enable Bluetooth returns
 265                         if (resultCode == Activity.RESULT_OK) {
 266                                 // Bluetooth is now enabled, so set up a chat session
 267                                 //setupChat();
 268                         } else {
 269                                 // User did not enable Bluetooth or an error occured
 270                                 Log.e(TAG, "BT not enabled");
 271                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 272                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 273                                 finish();
 274                         }
 275                         break;
 276                 }
 277         }
 278
 279         private void connectDevice(Intent data) {
 280                 // Get the device MAC address
 281                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 282                 // Get the BLuetoothDevice object
 283                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 284                 // Attempt to connect to the device
 285                 try {
 286                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 287                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 288                 } catch (RemoteException e) {
 289                 }
 290         }
 291
 292         @Override
 293         public boolean onCreateOptionsMenu(Menu menu) {
 294                 MenuInflater inflater = getMenuInflater();
 295                 inflater.inflate(R.menu.option_menu, menu);
 296                 return true;
 297         }
 298
 299         @Override
 300         public boolean onOptionsItemSelected(MenuItem item) {
 301                 Intent serverIntent = null;
 302                 switch (item.getItemId()) {
 303                 case R.id.connect_scan:
 304                         // Launch the DeviceListActivity to see devices and do scan
 305                         serverIntent = new Intent(this, DeviceListActivity.class);
 306                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 307                         return true;
 308                 }
 309                 return false;
 310         }
 311
 312 }