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_DEVNAME         = 2;
  59         public static final int MSG_TOAST           = 3;
  60         public static final int MSG_DEVCONFIG       = 4;
  61         public static final int MSG_TELEMETRY       = 5;
  62
  63         // Intent request codes
  64         private static final int REQUEST_CONNECT_DEVICE = 1;
  65         private static final int REQUEST_ENABLE_BT      = 2;
  66
  67         // Layout Views
  68         private TextView mTitle;
  69         private TextView mSerialView;
  70
  71         // Service
  72         private boolean mIsBound   = false;
  73         private Messenger mService = null;
  74         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
  75
  76         // TeleBT Config data
  77         private AltosConfigData mConfigData = null;
  78         // Local Bluetooth adapter
  79         private BluetoothAdapter mBluetoothAdapter = null;
  80
  81         // Text to Speech
  82         private TextToSpeech tts    = null;
  83         private boolean tts_enabled = false;
  84
  85         // The Handler that gets information back from the Telemetry Service
  86         static class IncomingHandler extends Handler {
  87                 private final WeakReference<AltosDroid> mAltosDroid;
  88                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
  89
  90                 @Override
  91                 public void handleMessage(Message msg) {
  92                         AltosDroid ad = mAltosDroid.get();
  93                         switch (msg.what) {
  94                         case MSG_STATE_CHANGE:
  95                                 if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
  96                                 switch (msg.arg1) {
  97                                 case TelemetryService.STATE_CONNECTED:
  98                                         ad.mConfigData = (AltosConfigData) msg.obj;
  99                                         String str = String.format(" %s S/N: %d", ad.mConfigData.product, ad.mConfigData.serial);
 100                                         ad.mTitle.setText(R.string.title_connected_to);
 101                                         ad.mTitle.append(str);
 102                                         Toast.makeText(ad.getApplicationContext(), "Connected to " + str, Toast.LENGTH_SHORT).show();
 103                                         break;
 104                                 case TelemetryService.STATE_CONNECTING:
 105                                         ad.mTitle.setText(R.string.title_connecting);
 106                                         break;
 107                                 case TelemetryService.STATE_READY:
 108                                 case TelemetryService.STATE_NONE:
 109                                         ad.mConfigData = null;
 110                                         ad.mTitle.setText(R.string.title_not_connected);
 111                                         ad.mSerialView.setText("");
 112                                         break;
 113                                 }
 114                                 break;
 115                         case MSG_DEVCONFIG:
 116                         case MSG_TELEMETRY:
 117                                 //byte[] buf = (byte[]) msg.obj;
 118                                 // construct a string from the buffer
 119                                 //String telem = new String(buf);
 120                                 //ad.mSerialView.append(telem);
 121                                 break;
 122                         case MSG_DEVNAME:
 123                                 // save the connected device's name
 124                                 ad.mConnectedDeviceName = (String) msg.obj;
 125                                 if (ad.mConnectedDeviceName != null)
 126                                         Toast.makeText(ad.getApplicationContext(), "Connected to "
 127                                                         + ad.mConnectedDeviceName, Toast.LENGTH_SHORT).show();
 128                                 break;
 129                         case MSG_TOAST:
 130                                 Toast.makeText(
 131                                                 ad.getApplicationContext(),
 132                                                 (String) msg.obj,
 133                                                 Toast.LENGTH_SHORT).show();
 134                                 break;
 135                         }
 136                 }
 137         };
 138
 139
 140         private ServiceConnection mConnection = new ServiceConnection() {
 141                 public void onServiceConnected(ComponentName className, IBinder service) {
 142                         mService = new Messenger(service);
 143                         try {
 144                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 145                                 msg.replyTo = mMessenger;
 146                                 mService.send(msg);
 147                         } catch (RemoteException e) {
 148                                 // In this case the service has crashed before we could even do anything with it
 149                         }
 150                 }
 151
 152                 public void onServiceDisconnected(ComponentName className) {
 153                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 154                         mService = null;
 155                 }
 156         };
 157
 158
 159         @Override
 160         public void onCreate(Bundle savedInstanceState) {
 161                 super.onCreate(savedInstanceState);
 162                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 163
 164                 // Set up the window layout
 165                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 166                 setContentView(R.layout.main);
 167                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 168
 169                 // Set up the custom title
 170                 mTitle = (TextView) findViewById(R.id.title_left_text);
 171                 mTitle.setText(R.string.app_name);
 172                 mTitle = (TextView) findViewById(R.id.title_right_text);
 173
 174                 // Set up the temporary Text View
 175                 mSerialView = (TextView) findViewById(R.id.in);
 176                 mSerialView.setMovementMethod(new ScrollingMovementMethod());
 177                 mSerialView.setClickable(false);
 178                 mSerialView.setLongClickable(false);
 179
 180                 // Get local Bluetooth adapter
 181                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 182
 183                 // If the adapter is null, then Bluetooth is not supported
 184                 if (mBluetoothAdapter == null) {
 185                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 186                         finish();
 187                         return;
 188                 }
 189
 190                 // Enable Text to Speech
 191                 tts = new TextToSpeech(this, new OnInitListener() {
 192                         public void onInit(int status) {
 193                                 if (status == TextToSpeech.SUCCESS) tts_enabled = true;
 194                                 if (tts_enabled) tts.speak("AltosDroid ready", TextToSpeech.QUEUE_ADD, null );
 195                         }
 196                 });
 197
 198                 // Start Telemetry Service
 199                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 200
 201                 doBindService();
 202         }
 203
 204         @Override
 205         public void onStart() {
 206                 super.onStart();
 207                 if(D) Log.e(TAG, "++ ON START ++");
 208
 209                 if (!mBluetoothAdapter.isEnabled()) {
 210                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 211                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 212                 }
 213         }
 214
 215         @Override
 216         public synchronized void onResume() {
 217                 super.onResume();
 218                 if(D) Log.e(TAG, "+ ON RESUME +");
 219
 220         }
 221
 222         @Override
 223         public synchronized void onPause() {
 224                 super.onPause();
 225                 if(D) Log.e(TAG, "- ON PAUSE -");
 226         }
 227
 228         @Override
 229         public void onStop() {
 230                 super.onStop();
 231                 if(D) Log.e(TAG, "-- ON STOP --");
 232         }
 233
 234         @Override
 235         public void onDestroy() {
 236                 super.onDestroy();
 237
 238                 doUnbindService();
 239
 240                 if (tts != null) tts.shutdown();
 241
 242                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 243         }
 244
 245
 246
 247
 248         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 249                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 250                 switch (requestCode) {
 251                 case REQUEST_CONNECT_DEVICE:
 252                         // When DeviceListActivity returns with a device to connect to
 253                         if (resultCode == Activity.RESULT_OK) {
 254                                 connectDevice(data);
 255                         }
 256                         break;
 257                 case REQUEST_ENABLE_BT:
 258                         // When the request to enable Bluetooth returns
 259                         if (resultCode == Activity.RESULT_OK) {
 260                                 // Bluetooth is now enabled, so set up a chat session
 261                                 //setupChat();
 262                         } else {
 263                                 // User did not enable Bluetooth or an error occured
 264                                 Log.e(TAG, "BT not enabled");
 265                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 266                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 267                                 finish();
 268                         }
 269                         break;
 270                 }
 271         }
 272
 273         private void connectDevice(Intent data) {
 274                 // Get the device MAC address
 275                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 276                 // Get the BLuetoothDevice object
 277                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 278                 // Attempt to connect to the device
 279                 try {
 280                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 281                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 282                 } catch (RemoteException e) {
 283                 }
 284         }
 285
 286         @Override
 287         public boolean onCreateOptionsMenu(Menu menu) {
 288                 MenuInflater inflater = getMenuInflater();
 289                 inflater.inflate(R.menu.option_menu, menu);
 290                 return true;
 291         }
 292
 293         @Override
 294         public boolean onOptionsItemSelected(MenuItem item) {
 295                 Intent serverIntent = null;
 296                 switch (item.getItemId()) {
 297                 case R.id.connect_scan:
 298                         // Launch the DeviceListActivity to see devices and do scan
 299                         serverIntent = new Intent(this, DeviceListActivity.class);
 300                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 301                         return true;
 302                 }
 303                 return false;
 304         }
 305
 306
 307         void doBindService() {
 308                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 309                 mIsBound = true;
 310         }
 311
 312         void doUnbindService() {
 313                 if (mIsBound) {
 314                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 315                         if (mService != null) {
 316                                 try {
 317                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 318                                         msg.replyTo = mMessenger;
 319                                         mService.send(msg);
 320                                 } catch (RemoteException e) {
 321                                         // There is nothing special we need to do if the service has crashed.
 322                                 }
 323                         }
 324                         // Detach our existing connection.
 325                         unbindService(mConnection);
 326                         mIsBound = false;
 327                 }
 328         }
 329
 330 }