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         private TextView mCallsignView;
  68         private TextView mStateView;
  69         private TextView mSpeedView;
  70         private TextView mAccelView;
  71         private TextView mRangeView;
  72         private TextView mAltitudeView;
  73         private TextView mAzimuthView;
  74         private TextView mBearingView;
  75         private TextView mLatitudeView;
  76         private TextView mLongitudeView;
  77
  78         // Service
  79         private boolean mIsBound   = false;
  80         private Messenger mService = null;
  81         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
  82
  83         // TeleBT Config data
  84         private AltosConfigData mConfigData = null;
  85         // Local Bluetooth adapter
  86         private BluetoothAdapter mBluetoothAdapter = null;
  87
  88         // Text to Speech
  89         private TextToSpeech tts    = null;
  90         private boolean tts_enabled = false;
  91
  92         // The Handler that gets information back from the Telemetry Service
  93         static class IncomingHandler extends Handler {
  94                 private final WeakReference<AltosDroid> mAltosDroid;
  95                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
  96
  97                 @Override
  98                 public void handleMessage(Message msg) {
  99                         AltosDroid ad = mAltosDroid.get();
 100                         switch (msg.what) {
 101                         case MSG_STATE_CHANGE:
 102                                 if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
 103                                 switch (msg.arg1) {
 104                                 case TelemetryService.STATE_CONNECTED:
 105                                         ad.mConfigData = (AltosConfigData) msg.obj;
 106                                         String str = String.format(" %s S/N: %d", ad.mConfigData.product, ad.mConfigData.serial);
 107                                         ad.mTitle.setText(R.string.title_connected_to);
 108                                         ad.mTitle.append(str);
 109                                         Toast.makeText(ad.getApplicationContext(), "Connected to " + str, Toast.LENGTH_SHORT).show();
 110                                         //TEST!
 111                                         ad.mSerialView.setText(Dumper.dump(ad.mConfigData));
 112                                         break;
 113                                 case TelemetryService.STATE_CONNECTING:
 114                                         ad.mTitle.setText(R.string.title_connecting);
 115                                         break;
 116                                 case TelemetryService.STATE_READY:
 117                                 case TelemetryService.STATE_NONE:
 118                                         ad.mConfigData = null;
 119                                         ad.mTitle.setText(R.string.title_not_connected);
 120                                         ad.mSerialView.setText("");
 121                                         break;
 122                                 }
 123                                 break;
 124                         case MSG_TELEMETRY:
 125                                 ad.update_ui((AltosState) msg.obj);
 126                                 // TEST!
 127                                 ad.mSerialView.setText(Dumper.dump(msg.obj));
 128                                 break;
 129                         }
 130                 }
 131         };
 132
 133
 134         private ServiceConnection mConnection = new ServiceConnection() {
 135                 public void onServiceConnected(ComponentName className, IBinder service) {
 136                         mService = new Messenger(service);
 137                         try {
 138                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 139                                 msg.replyTo = mMessenger;
 140                                 mService.send(msg);
 141                         } catch (RemoteException e) {
 142                                 // In this case the service has crashed before we could even do anything with it
 143                         }
 144                 }
 145
 146                 public void onServiceDisconnected(ComponentName className) {
 147                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 148                         mService = null;
 149                 }
 150         };
 151
 152
 153         void doBindService() {
 154                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 155                 mIsBound = true;
 156         }
 157
 158         void doUnbindService() {
 159                 if (mIsBound) {
 160                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 161                         if (mService != null) {
 162                                 try {
 163                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 164                                         msg.replyTo = mMessenger;
 165                                         mService.send(msg);
 166                                 } catch (RemoteException e) {
 167                                         // There is nothing special we need to do if the service has crashed.
 168                                 }
 169                         }
 170                         // Detach our existing connection.
 171                         unbindService(mConnection);
 172                         mIsBound = false;
 173                 }
 174         }
 175
 176         void update_ui(AltosState state) {
 177                 mCallsignView.setText(state.data.callsign);
 178                 mStateView.setText(state.data.state());
 179                 double speed = state.speed;
 180                 if (!state.ascent)
 181                         speed = state.baro_speed;
 182                 mSpeedView.setText(String.format("%6.0f", speed));
 183                 mAccelView.setText(String.format("%6.0f", state.acceleration));
 184                 mRangeView.setText(String.format("%6.0f", state.range));
 185                 mAltitudeView.setText(String.format("%6.0f", state.height));
 186                 mAzimuthView.setText(String.format("%3.0f", state.elevation));
 187                 if (state.from_pad != null)
 188                         mBearingView.setText(String.format("%3.0f", state.from_pad.bearing));
 189                 mLatitudeView.setText(pos(state.gps.lat, "N", "S"));
 190                 mLongitudeView.setText(pos(state.gps.lon, "W", "E"));
 191         }
 192
 193         String pos(double p, String pos, String neg) {
 194                 String  h = pos;
 195                 if (p < 0) {
 196                         h = neg;
 197                         p = -p;
 198                 }
 199                 int deg = (int) Math.floor(p);
 200                 double min = (p - Math.floor(p)) * 60.0;
 201                 return String.format("%s %d° %9.6f", h, deg, min);
 202         }
 203
 204         @Override
 205         public void onCreate(Bundle savedInstanceState) {
 206                 super.onCreate(savedInstanceState);
 207                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 208
 209                 // Set up the window layout
 210                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 211                 //setContentView(R.layout.main);
 212                 setContentView(R.layout.altosdroid);
 213                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 214
 215                 // Set up the custom title
 216                 mTitle = (TextView) findViewById(R.id.title_left_text);
 217                 mTitle.setText(R.string.app_name);
 218                 mTitle = (TextView) findViewById(R.id.title_right_text);
 219
 220                 // Set up the temporary Text View
 221                 mSerialView = (TextView) findViewById(R.id.text);
 222                 mSerialView.setMovementMethod(new ScrollingMovementMethod());
 223                 mSerialView.setClickable(false);
 224                 mSerialView.setLongClickable(false);
 225
 226                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 227                 mStateView     = (TextView) findViewById(R.id.state_value);
 228                 mSpeedView     = (TextView) findViewById(R.id.speed_value);
 229                 mAccelView     = (TextView) findViewById(R.id.accel_value);
 230                 mRangeView     = (TextView) findViewById(R.id.range_value);
 231                 mAltitudeView  = (TextView) findViewById(R.id.altitude_value);
 232                 mAzimuthView   = (TextView) findViewById(R.id.azimuth_value);
 233                 mBearingView   = (TextView) findViewById(R.id.bearing_value);
 234                 mLatitudeView  = (TextView) findViewById(R.id.latitude_value);
 235                 mLongitudeView = (TextView) findViewById(R.id.longitude_value);
 236
 237                 // Get local Bluetooth adapter
 238                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 239
 240                 // If the adapter is null, then Bluetooth is not supported
 241                 if (mBluetoothAdapter == null) {
 242                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 243                         finish();
 244                         return;
 245                 }
 246
 247                 // Enable Text to Speech
 248                 tts = new TextToSpeech(this, new OnInitListener() {
 249                         public void onInit(int status) {
 250                                 if (status == TextToSpeech.SUCCESS) tts_enabled = true;
 251                                 if (tts_enabled) tts.speak("AltosDroid ready", TextToSpeech.QUEUE_ADD, null );
 252                         }
 253                 });
 254
 255         }
 256
 257         @Override
 258         public void onStart() {
 259                 super.onStart();
 260                 if(D) Log.e(TAG, "++ ON START ++");
 261
 262                 if (!mBluetoothAdapter.isEnabled()) {
 263                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 264                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 265                 }
 266
 267                 // Start Telemetry Service
 268                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 269
 270                 doBindService();
 271         }
 272
 273         @Override
 274         public synchronized void onResume() {
 275                 super.onResume();
 276                 if(D) Log.e(TAG, "+ ON RESUME +");
 277         }
 278
 279         @Override
 280         public synchronized void onPause() {
 281                 super.onPause();
 282                 if(D) Log.e(TAG, "- ON PAUSE -");
 283         }
 284
 285         @Override
 286         public void onStop() {
 287                 super.onStop();
 288                 if(D) Log.e(TAG, "-- ON STOP --");
 289
 290                 doUnbindService();
 291         }
 292
 293         @Override
 294         public void onDestroy() {
 295                 super.onDestroy();
 296                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 297
 298                 if (tts != null) tts.shutdown();
 299         }
 300
 301
 302
 303
 304         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 305                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 306                 switch (requestCode) {
 307                 case REQUEST_CONNECT_DEVICE:
 308                         // When DeviceListActivity returns with a device to connect to
 309                         if (resultCode == Activity.RESULT_OK) {
 310                                 connectDevice(data);
 311                         }
 312                         break;
 313                 case REQUEST_ENABLE_BT:
 314                         // When the request to enable Bluetooth returns
 315                         if (resultCode == Activity.RESULT_OK) {
 316                                 // Bluetooth is now enabled, so set up a chat session
 317                                 //setupChat();
 318                         } else {
 319                                 // User did not enable Bluetooth or an error occured
 320                                 Log.e(TAG, "BT not enabled");
 321                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 322                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 323                                 finish();
 324                         }
 325                         break;
 326                 }
 327         }
 328
 329         private void connectDevice(Intent data) {
 330                 // Get the device MAC address
 331                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 332                 // Get the BLuetoothDevice object
 333                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 334                 // Attempt to connect to the device
 335                 try {
 336                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 337                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 338                 } catch (RemoteException e) {
 339                 }
 340         }
 341
 342         @Override
 343         public boolean onCreateOptionsMenu(Menu menu) {
 344                 MenuInflater inflater = getMenuInflater();
 345                 inflater.inflate(R.menu.option_menu, menu);
 346                 return true;
 347         }
 348
 349         @Override
 350         public boolean onOptionsItemSelected(MenuItem item) {
 351                 Intent serverIntent = null;
 352                 switch (item.getItemId()) {
 353                 case R.id.connect_scan:
 354                         // Launch the DeviceListActivity to see devices and do scan
 355                         serverIntent = new Intent(this, DeviceListActivity.class);
 356                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 357                         return true;
 358                 }
 359                 return false;
 360         }
 361
 362 }