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
  67         // Flight state values
  68         private TextView mCallsignView;
  69         private TextView mStateView;
  70         private TextView mSpeedView;
  71         private TextView mAccelView;
  72         private TextView mRangeView;
  73         private TextView mHeightView;
  74         private TextView mElevationView;
  75         private TextView mBearingView;
  76         private TextView mLatitudeView;
  77         private TextView mLongitudeView;
  78
  79         // Generic field for extras at the bottom
  80         private TextView mTextView;
  81
  82         // Service
  83         private boolean mIsBound   = false;
  84         private Messenger mService = null;
  85         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
  86
  87         // TeleBT Config data
  88         private AltosConfigData mConfigData = null;
  89         // Local Bluetooth adapter
  90         private BluetoothAdapter mBluetoothAdapter = null;
  91
  92         // Text to Speech
  93         private TextToSpeech tts    = null;
  94         private boolean tts_enabled = false;
  95
  96         // The Handler that gets information back from the Telemetry Service
  97         static class IncomingHandler extends Handler {
  98                 private final WeakReference<AltosDroid> mAltosDroid;
  99                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 100
 101                 @Override
 102                 public void handleMessage(Message msg) {
 103                         AltosDroid ad = mAltosDroid.get();
 104                         switch (msg.what) {
 105                         case MSG_STATE_CHANGE:
 106                                 if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
 107                                 switch (msg.arg1) {
 108                                 case TelemetryService.STATE_CONNECTED:
 109                                         ad.mConfigData = (AltosConfigData) msg.obj;
 110                                         String str = String.format(" %s S/N: %d", ad.mConfigData.product, ad.mConfigData.serial);
 111                                         ad.mTitle.setText(R.string.title_connected_to);
 112                                         ad.mTitle.append(str);
 113                                         Toast.makeText(ad.getApplicationContext(), "Connected to " + str, Toast.LENGTH_SHORT).show();
 114                                         //TEST!
 115                                         ad.mTextView.setText(Dumper.dump(ad.mConfigData));
 116                                         break;
 117                                 case TelemetryService.STATE_CONNECTING:
 118                                         ad.mTitle.setText(R.string.title_connecting);
 119                                         break;
 120                                 case TelemetryService.STATE_READY:
 121                                 case TelemetryService.STATE_NONE:
 122                                         ad.mConfigData = null;
 123                                         ad.mTitle.setText(R.string.title_not_connected);
 124                                         ad.mTextView.setText("");
 125                                         break;
 126                                 }
 127                                 break;
 128                         case MSG_TELEMETRY:
 129                                 ad.update_ui((AltosState) msg.obj);
 130                                 // TEST!
 131                                 ad.mTextView.setText(Dumper.dump(msg.obj));
 132                                 break;
 133                         }
 134                 }
 135         };
 136
 137
 138         private ServiceConnection mConnection = new ServiceConnection() {
 139                 public void onServiceConnected(ComponentName className, IBinder service) {
 140                         mService = new Messenger(service);
 141                         try {
 142                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 143                                 msg.replyTo = mMessenger;
 144                                 mService.send(msg);
 145                         } catch (RemoteException e) {
 146                                 // In this case the service has crashed before we could even do anything with it
 147                         }
 148                 }
 149
 150                 public void onServiceDisconnected(ComponentName className) {
 151                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 152                         mService = null;
 153                 }
 154         };
 155
 156
 157         void doBindService() {
 158                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 159                 mIsBound = true;
 160         }
 161
 162         void doUnbindService() {
 163                 if (mIsBound) {
 164                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 165                         if (mService != null) {
 166                                 try {
 167                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 168                                         msg.replyTo = mMessenger;
 169                                         mService.send(msg);
 170                                 } catch (RemoteException e) {
 171                                         // There is nothing special we need to do if the service has crashed.
 172                                 }
 173                         }
 174                         // Detach our existing connection.
 175                         unbindService(mConnection);
 176                         mIsBound = false;
 177                 }
 178         }
 179
 180         void update_ui(AltosState state) {
 181                 mCallsignView.setText(state.data.callsign);
 182                 mStateView.setText(state.data.state());
 183                 double speed = state.speed;
 184                 if (!state.ascent)
 185                         speed = state.baro_speed;
 186                 mSpeedView.setText(String.format("%6.0f m/s", speed));
 187                 mAccelView.setText(String.format("%6.0f m/s²", state.acceleration));
 188                 mRangeView.setText(String.format("%6.0f m", state.range));
 189                 mHeightView.setText(String.format("%6.0f m", state.height));
 190                 mElevationView.setText(String.format("%3.0f°", state.elevation));
 191                 if (state.from_pad != null)
 192                         mBearingView.setText(String.format("%3.0f°", state.from_pad.bearing));
 193                 mLatitudeView.setText(pos(state.gps.lat, "N", "S"));
 194                 mLongitudeView.setText(pos(state.gps.lon, "W", "E"));
 195         }
 196
 197         String pos(double p, String pos, String neg) {
 198                 String  h = pos;
 199                 if (p < 0) {
 200                         h = neg;
 201                         p = -p;
 202                 }
 203                 int deg = (int) Math.floor(p);
 204                 double min = (p - Math.floor(p)) * 60.0;
 205                 return String.format("%d° %9.6f\" %s", deg, min, h);
 206         }
 207
 208         @Override
 209         public void onCreate(Bundle savedInstanceState) {
 210                 super.onCreate(savedInstanceState);
 211                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 212
 213                 // Set up the window layout
 214                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 215                 //setContentView(R.layout.main);
 216                 setContentView(R.layout.altosdroid);
 217                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 218
 219                 // Set up the custom title
 220                 mTitle = (TextView) findViewById(R.id.title_left_text);
 221                 mTitle.setText(R.string.app_name);
 222                 mTitle = (TextView) findViewById(R.id.title_right_text);
 223
 224                 // Set up the temporary Text View
 225                 mTextView = (TextView) findViewById(R.id.text);
 226                 mTextView.setMovementMethod(new ScrollingMovementMethod());
 227                 mTextView.setClickable(false);
 228                 mTextView.setLongClickable(false);
 229
 230                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 231                 mStateView     = (TextView) findViewById(R.id.state_value);
 232                 mSpeedView     = (TextView) findViewById(R.id.speed_value);
 233                 mAccelView     = (TextView) findViewById(R.id.accel_value);
 234                 mRangeView     = (TextView) findViewById(R.id.range_value);
 235                 mHeightView    = (TextView) findViewById(R.id.height_value);
 236                 mElevationView = (TextView) findViewById(R.id.elevation_value);
 237                 mBearingView   = (TextView) findViewById(R.id.bearing_value);
 238                 mLatitudeView  = (TextView) findViewById(R.id.latitude_value);
 239                 mLongitudeView = (TextView) findViewById(R.id.longitude_value);
 240
 241                 // Get local Bluetooth adapter
 242                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 243
 244                 // If the adapter is null, then Bluetooth is not supported
 245                 if (mBluetoothAdapter == null) {
 246                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 247                         finish();
 248                         return;
 249                 }
 250
 251                 // Enable Text to Speech
 252                 tts = new TextToSpeech(this, new OnInitListener() {
 253                         public void onInit(int status) {
 254                                 if (status == TextToSpeech.SUCCESS) tts_enabled = true;
 255                                 if (tts_enabled) tts.speak("AltosDroid ready", TextToSpeech.QUEUE_ADD, null );
 256                         }
 257                 });
 258
 259         }
 260
 261         @Override
 262         public void onStart() {
 263                 super.onStart();
 264                 if(D) Log.e(TAG, "++ ON START ++");
 265
 266                 if (!mBluetoothAdapter.isEnabled()) {
 267                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 268                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 269                 }
 270
 271                 // Start Telemetry Service
 272                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 273
 274                 doBindService();
 275         }
 276
 277         @Override
 278         public synchronized void onResume() {
 279                 super.onResume();
 280                 if(D) Log.e(TAG, "+ ON RESUME +");
 281         }
 282
 283         @Override
 284         public synchronized void onPause() {
 285                 super.onPause();
 286                 if(D) Log.e(TAG, "- ON PAUSE -");
 287         }
 288
 289         @Override
 290         public void onStop() {
 291                 super.onStop();
 292                 if(D) Log.e(TAG, "-- ON STOP --");
 293
 294                 doUnbindService();
 295         }
 296
 297         @Override
 298         public void onDestroy() {
 299                 super.onDestroy();
 300                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 301
 302                 if (tts != null) tts.shutdown();
 303         }
 304
 305
 306
 307
 308         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 309                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 310                 switch (requestCode) {
 311                 case REQUEST_CONNECT_DEVICE:
 312                         // When DeviceListActivity returns with a device to connect to
 313                         if (resultCode == Activity.RESULT_OK) {
 314                                 connectDevice(data);
 315                         }
 316                         break;
 317                 case REQUEST_ENABLE_BT:
 318                         // When the request to enable Bluetooth returns
 319                         if (resultCode == Activity.RESULT_OK) {
 320                                 // Bluetooth is now enabled, so set up a chat session
 321                                 //setupChat();
 322                         } else {
 323                                 // User did not enable Bluetooth or an error occured
 324                                 Log.e(TAG, "BT not enabled");
 325                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 326                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 327                                 finish();
 328                         }
 329                         break;
 330                 }
 331         }
 332
 333         private void connectDevice(Intent data) {
 334                 // Get the device MAC address
 335                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 336                 // Get the BLuetoothDevice object
 337                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 338                 // Attempt to connect to the device
 339                 try {
 340                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 341                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 342                 } catch (RemoteException e) {
 343                 }
 344         }
 345
 346         @Override
 347         public boolean onCreateOptionsMenu(Menu menu) {
 348                 MenuInflater inflater = getMenuInflater();
 349                 inflater.inflate(R.menu.option_menu, menu);
 350                 return true;
 351         }
 352
 353         @Override
 354         public boolean onOptionsItemSelected(MenuItem item) {
 355                 Intent serverIntent = null;
 356                 switch (item.getItemId()) {
 357                 case R.id.connect_scan:
 358                         // Launch the DeviceListActivity to see devices and do scan
 359                         serverIntent = new Intent(this, DeviceListActivity.class);
 360                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 361                         return true;
 362                 }
 363                 return false;
 364         }
 365
 366 }