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.content.DialogInterface;
  30 import android.os.IBinder;
  31 import android.os.Bundle;
  32 import android.os.Handler;
  33 import android.os.Message;
  34 import android.os.Messenger;
  35 import android.os.RemoteException;
  36 import android.text.method.ScrollingMovementMethod;
  37 import android.util.Log;
  38 import android.view.Menu;
  39 import android.view.MenuInflater;
  40 import android.view.MenuItem;
  41 import android.view.Window;
  42 import android.widget.TextView;
  43 import android.widget.Toast;
  44 import android.app.AlertDialog;
  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 mRSSIView;
  70         private TextView mSerialView;
  71         private TextView mFlightView;
  72         private TextView mStateView;
  73         private TextView mSpeedView;
  74         private TextView mAccelView;
  75         private TextView mRangeView;
  76         private TextView mHeightView;
  77         private TextView mElevationView;
  78         private TextView mBearingView;
  79         private TextView mLatitudeView;
  80         private TextView mLongitudeView;
  81
  82         // Generic field for extras at the bottom
  83         private TextView mTextView;
  84
  85         // Service
  86         private boolean mIsBound   = false;
  87         private Messenger mService = null;
  88         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
  89
  90         // Preferences
  91         private AltosDroidPreferences prefs = null;
  92
  93         // TeleBT Config data
  94         private AltosConfigData mConfigData = null;
  95         // Local Bluetooth adapter
  96         private BluetoothAdapter mBluetoothAdapter = null;
  97
  98         // Text to Speech
  99         private AltosVoice mAltosVoice = null;
 100
 101         // The Handler that gets information back from the Telemetry Service
 102         static class IncomingHandler extends Handler {
 103                 private final WeakReference<AltosDroid> mAltosDroid;
 104                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 105
 106                 @Override
 107                 public void handleMessage(Message msg) {
 108                         AltosDroid ad = mAltosDroid.get();
 109                         switch (msg.what) {
 110                         case MSG_STATE_CHANGE:
 111                                 if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
 112                                 switch (msg.arg1) {
 113                                 case TelemetryService.STATE_CONNECTED:
 114                                         ad.mConfigData = (AltosConfigData) msg.obj;
 115                                         String str = String.format(" %s S/N: %d", ad.mConfigData.product, ad.mConfigData.serial);
 116                                         ad.mTitle.setText(R.string.title_connected_to);
 117                                         ad.mTitle.append(str);
 118                                         Toast.makeText(ad.getApplicationContext(), "Connected to " + str, Toast.LENGTH_SHORT).show();
 119                                         ad.mAltosVoice.speak("Connected");
 120                                         //TEST!
 121                                         ad.mTextView.setText(Dumper.dump(ad.mConfigData));
 122                                         break;
 123                                 case TelemetryService.STATE_CONNECTING:
 124                                         ad.mTitle.setText(R.string.title_connecting);
 125                                         break;
 126                                 case TelemetryService.STATE_READY:
 127                                 case TelemetryService.STATE_NONE:
 128                                         ad.mConfigData = null;
 129                                         ad.mTitle.setText(R.string.title_not_connected);
 130                                         ad.mTextView.setText("");
 131                                         break;
 132                                 }
 133                                 break;
 134                         case MSG_TELEMETRY:
 135                                 ad.update_ui((AltosState) msg.obj);
 136                                 // TEST!
 137                                 ad.mTextView.setText(Dumper.dump(msg.obj));
 138                                 break;
 139                         }
 140                 }
 141         };
 142
 143
 144         private ServiceConnection mConnection = new ServiceConnection() {
 145                 public void onServiceConnected(ComponentName className, IBinder service) {
 146                         mService = new Messenger(service);
 147                         try {
 148                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 149                                 msg.replyTo = mMessenger;
 150                                 mService.send(msg);
 151                         } catch (RemoteException e) {
 152                                 // In this case the service has crashed before we could even do anything with it
 153                         }
 154                 }
 155
 156                 public void onServiceDisconnected(ComponentName className) {
 157                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 158                         mService = null;
 159                 }
 160         };
 161
 162
 163         void doBindService() {
 164                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 165                 mIsBound = true;
 166         }
 167
 168         void doUnbindService() {
 169                 if (mIsBound) {
 170                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 171                         if (mService != null) {
 172                                 try {
 173                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 174                                         msg.replyTo = mMessenger;
 175                                         mService.send(msg);
 176                                 } catch (RemoteException e) {
 177                                         // There is nothing special we need to do if the service has crashed.
 178                                 }
 179                         }
 180                         // Detach our existing connection.
 181                         unbindService(mConnection);
 182                         mIsBound = false;
 183                 }
 184         }
 185
 186         void update_ui(AltosState state) {
 187                 mCallsignView.setText(state.data.callsign);
 188                 mRSSIView.setText(String.format("%d", state.data.rssi));
 189                 mSerialView.setText(String.format("%d", state.data.serial));
 190                 mFlightView.setText(String.format("%d", state.data.flight));
 191                 mStateView.setText(state.data.state());
 192                 mSpeedView.setText(String.format("%6.0f m/s", state.speed()));
 193                 mAccelView.setText(String.format("%6.0f m/s²", state.acceleration));
 194                 mRangeView.setText(String.format("%6.0f m", state.range));
 195                 mHeightView.setText(String.format("%6.0f m", state.height));
 196                 mElevationView.setText(String.format("%3.0f°", state.elevation));
 197                 if (state.from_pad != null)
 198                         mBearingView.setText(String.format("%3.0f°", state.from_pad.bearing));
 199                 mLatitudeView.setText(pos(state.gps.lat, "N", "S"));
 200                 mLongitudeView.setText(pos(state.gps.lon, "W", "E"));
 201
 202                 mAltosVoice.tell(state);
 203         }
 204
 205         String pos(double p, String pos, String neg) {
 206                 String  h = pos;
 207                 if (p < 0) {
 208                         h = neg;
 209                         p = -p;
 210                 }
 211                 int deg = (int) Math.floor(p);
 212                 double min = (p - Math.floor(p)) * 60.0;
 213                 return String.format("%d° %9.6f\" %s", deg, min, h);
 214         }
 215
 216         @Override
 217         public void onCreate(Bundle savedInstanceState) {
 218                 super.onCreate(savedInstanceState);
 219                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 220
 221                 // Get local Bluetooth adapter
 222                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 223
 224                 // If the adapter is null, then Bluetooth is not supported
 225                 if (mBluetoothAdapter == null) {
 226                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 227                         finish();
 228                         return;
 229                 }
 230
 231                 // Initialise preferences
 232                 prefs = new AltosDroidPreferences(this);
 233                 AltosPreferences.init(prefs);
 234
 235                 // Set up the window layout
 236                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 237                 //setContentView(R.layout.main);
 238                 setContentView(R.layout.altosdroid);
 239                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 240
 241                 // Set up the custom title
 242                 mTitle = (TextView) findViewById(R.id.title_left_text);
 243                 mTitle.setText(R.string.app_name);
 244                 mTitle = (TextView) findViewById(R.id.title_right_text);
 245
 246                 // Set up the temporary Text View
 247                 mTextView = (TextView) findViewById(R.id.text);
 248                 mTextView.setMovementMethod(new ScrollingMovementMethod());
 249                 mTextView.setClickable(false);
 250                 mTextView.setLongClickable(false);
 251
 252                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 253                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 254                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 255                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 256                 mStateView     = (TextView) findViewById(R.id.state_value);
 257                 mSpeedView     = (TextView) findViewById(R.id.speed_value);
 258                 mAccelView     = (TextView) findViewById(R.id.accel_value);
 259                 mRangeView     = (TextView) findViewById(R.id.range_value);
 260                 mHeightView    = (TextView) findViewById(R.id.height_value);
 261                 mElevationView = (TextView) findViewById(R.id.elevation_value);
 262                 mBearingView   = (TextView) findViewById(R.id.bearing_value);
 263                 mLatitudeView  = (TextView) findViewById(R.id.latitude_value);
 264                 mLongitudeView = (TextView) findViewById(R.id.longitude_value);
 265
 266                 mAltosVoice = new AltosVoice(this);
 267         }
 268
 269         @Override
 270         public void onStart() {
 271                 super.onStart();
 272                 if(D) Log.e(TAG, "++ ON START ++");
 273
 274                 if (!mBluetoothAdapter.isEnabled()) {
 275                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 276                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 277                 }
 278
 279                 // Start Telemetry Service
 280                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 281
 282                 doBindService();
 283         }
 284
 285         @Override
 286         public synchronized void onResume() {
 287                 super.onResume();
 288                 if(D) Log.e(TAG, "+ ON RESUME +");
 289         }
 290
 291         @Override
 292         public synchronized void onPause() {
 293                 super.onPause();
 294                 if(D) Log.e(TAG, "- ON PAUSE -");
 295         }
 296
 297         @Override
 298         public void onStop() {
 299                 super.onStop();
 300                 if(D) Log.e(TAG, "-- ON STOP --");
 301
 302                 doUnbindService();
 303         }
 304
 305         @Override
 306         public void onDestroy() {
 307                 super.onDestroy();
 308                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 309
 310                 mAltosVoice.stop();
 311         }
 312
 313
 314
 315
 316         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 317                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 318                 switch (requestCode) {
 319                 case REQUEST_CONNECT_DEVICE:
 320                         // When DeviceListActivity returns with a device to connect to
 321                         if (resultCode == Activity.RESULT_OK) {
 322                                 connectDevice(data);
 323                         }
 324                         break;
 325                 case REQUEST_ENABLE_BT:
 326                         // When the request to enable Bluetooth returns
 327                         if (resultCode == Activity.RESULT_OK) {
 328                                 // Bluetooth is now enabled, so set up a chat session
 329                                 //setupChat();
 330                         } else {
 331                                 // User did not enable Bluetooth or an error occured
 332                                 Log.e(TAG, "BT not enabled");
 333                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 334                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 335                                 finish();
 336                         }
 337                         break;
 338                 }
 339         }
 340
 341         private void connectDevice(Intent data) {
 342                 // Get the device MAC address
 343                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 344                 // Get the BLuetoothDevice object
 345                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 346                 // Attempt to connect to the device
 347                 try {
 348                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 349                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 350                 } catch (RemoteException e) {
 351                 }
 352         }
 353
 354         @Override
 355         public boolean onCreateOptionsMenu(Menu menu) {
 356                 MenuInflater inflater = getMenuInflater();
 357                 inflater.inflate(R.menu.option_menu, menu);
 358                 return true;
 359         }
 360
 361         void setFrequency(double freq) {
 362                 try {
 363                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 364                 } catch (RemoteException e) {
 365                 }
 366         }
 367
 368         void setFrequency(String freq) {
 369                 try {
 370                         setFrequency (Double.parseDouble(freq.substring(11, 17)));
 371                 } catch (NumberFormatException e) {
 372                 }
 373         }
 374
 375         @Override
 376         public boolean onOptionsItemSelected(MenuItem item) {
 377                 Intent serverIntent = null;
 378                 switch (item.getItemId()) {
 379                 case R.id.connect_scan:
 380                         // Launch the DeviceListActivity to see devices and do scan
 381                         serverIntent = new Intent(this, DeviceListActivity.class);
 382                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 383                         return true;
 384                 case R.id.select_freq:
 385                         // Set the TBT radio frequency
 386
 387                         final String[] frequencies = {
 388                                 "Channel 0 (434.550MHz)",
 389                                 "Channel 1 (434.650MHz)",
 390                                 "Channel 2 (434.750MHz)",
 391                                 "Channel 3 (434.850MHz)",
 392                                 "Channel 4 (434.950MHz)",
 393                                 "Channel 5 (435.050MHz)",
 394                                 "Channel 6 (435.150MHz)",
 395                                 "Channel 7 (435.250MHz)",
 396                                 "Channel 8 (435.350MHz)",
 397                                 "Channel 9 (435.450MHz)"
 398                         };
 399
 400                         AlertDialog.Builder builder = new AlertDialog.Builder(this);
 401                         builder.setTitle("Pick a frequency");
 402                         builder.setItems(frequencies,
 403                                          new DialogInterface.OnClickListener() {
 404                                                  public void onClick(DialogInterface dialog, int item) {
 405                                                          setFrequency(frequencies[item]);
 406                                                  }
 407                                          });
 408                         AlertDialog alert = builder.create();
 409                         alert.show();
 410                         return true;
 411                 }
 412                 return false;
 413         }
 414
 415 }