git.gag.com Git - fw/altos/blob - altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java

   1 /*
   2  * Copyright © 2012-2013 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 import java.util.ArrayList;
  22 import java.util.Timer;
  23 import java.util.TimerTask;
  24 import java.text.*;
  25
  26 import android.app.Activity;
  27 import android.app.PendingIntent;
  28 import android.bluetooth.BluetoothAdapter;
  29 import android.bluetooth.BluetoothDevice;
  30 import android.content.Intent;
  31 import android.content.Context;
  32 import android.content.ComponentName;
  33 import android.content.ServiceConnection;
  34 import android.content.DialogInterface;
  35 import android.os.IBinder;
  36 import android.os.Bundle;
  37 import android.os.Handler;
  38 import android.os.Message;
  39 import android.os.Messenger;
  40 import android.os.RemoteException;
  41 import android.content.res.Resources;
  42 import android.support.v4.app.FragmentActivity;
  43 import android.support.v4.app.FragmentManager;
  44 import android.util.DisplayMetrics;
  45 import android.view.Menu;
  46 import android.view.MenuInflater;
  47 import android.view.MenuItem;
  48 import android.view.Window;
  49 import android.view.View;
  50 import android.view.LayoutInflater;
  51 import android.widget.TabHost;
  52 import android.widget.TextView;
  53 import android.widget.RelativeLayout;
  54 import android.widget.Toast;
  55 import android.app.AlertDialog;
  56 import android.location.Location;
  57 import android.hardware.usb.*;
  58
  59 import org.altusmetrum.altoslib_7.*;
  60
  61 public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
  62
  63         // Actions sent to the telemetry server at startup time
  64
  65         public static final String ACTION_BLUETOOTH = "org.altusmetrum.AltosDroid.BLUETOOTH";
  66         public static final String ACTION_USB = "org.altusmetrum.AltosDroid.USB";
  67
  68         // Message types received by our Handler
  69
  70         public static final int MSG_STATE           = 1;
  71         public static final int MSG_UPDATE_AGE      = 2;
  72
  73         // Intent request codes
  74         public static final int REQUEST_CONNECT_DEVICE = 1;
  75         public static final int REQUEST_ENABLE_BT      = 2;
  76         public static final int REQUEST_PRELOAD_MAPS   = 3;
  77         public static final int REQUEST_MAP_TYPE       = 4;
  78
  79         public static FragmentManager   fm;
  80
  81         private BluetoothAdapter mBluetoothAdapter = null;
  82
  83         // Layout Views
  84         private TextView mTitle;
  85
  86         // Flight state values
  87         private TextView mCallsignView;
  88         private TextView mRSSIView;
  89         private TextView mSerialView;
  90         private TextView mFlightView;
  91         private RelativeLayout mStateLayout;
  92         private TextView mStateView;
  93         private TextView mAgeView;
  94
  95         // field to display the version at the bottom of the screen
  96         private TextView mVersion;
  97
  98         private double frequency;
  99         private int telemetry_rate;
 100
 101         // Tabs
 102         TabHost         mTabHost;
 103         AltosViewPager  mViewPager;
 104         TabsAdapter     mTabsAdapter;
 105         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
 106         int             tabHeight;
 107
 108         // Timer and Saved flight state for Age calculation
 109         private Timer timer;
 110         AltosState saved_state;
 111
 112         UsbDevice       pending_usb_device;
 113         boolean         start_with_usb;
 114
 115         // Service
 116         private boolean mIsBound   = false;
 117         private Messenger mService = null;
 118         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
 119
 120         // Text to Speech
 121         private AltosVoice mAltosVoice = null;
 122
 123         // The Handler that gets information back from the Telemetry Service
 124         static class IncomingHandler extends Handler {
 125                 private final WeakReference<AltosDroid> mAltosDroid;
 126                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 127
 128                 @Override
 129                 public void handleMessage(Message msg) {
 130                         AltosDroid ad = mAltosDroid.get();
 131
 132                         switch (msg.what) {
 133                         case MSG_STATE:
 134                                 AltosDebug.debug("MSG_STATE");
 135                                 TelemetryState telemetry_state = (TelemetryState) msg.obj;
 136                                 if (telemetry_state == null) {
 137                                         AltosDebug.debug("telemetry_state null!");
 138                                         return;
 139                                 }
 140
 141                                 ad.update_state(telemetry_state);
 142                                 break;
 143                         case MSG_UPDATE_AGE:
 144                                 AltosDebug.debug("MSG_UPDATE_AGE");
 145                                 ad.update_age();
 146                                 break;
 147                         }
 148                 }
 149         };
 150
 151
 152         private ServiceConnection mConnection = new ServiceConnection() {
 153                 public void onServiceConnected(ComponentName className, IBinder service) {
 154                         mService = new Messenger(service);
 155                         try {
 156                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 157                                 msg.replyTo = mMessenger;
 158                                 mService.send(msg);
 159                         } catch (RemoteException e) {
 160                                 // In this case the service has crashed before we could even do anything with it
 161                         }
 162                         if (pending_usb_device != null) {
 163                                 try {
 164                                         mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, pending_usb_device));
 165                                         pending_usb_device = null;
 166                                 } catch (RemoteException e) {
 167                                 }
 168                         }
 169                 }
 170
 171                 public void onServiceDisconnected(ComponentName className) {
 172                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 173                         mService = null;
 174                 }
 175         };
 176
 177         void doBindService() {
 178                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 179                 mIsBound = true;
 180         }
 181
 182         void doUnbindService() {
 183                 if (mIsBound) {
 184                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 185                         if (mService != null) {
 186                                 try {
 187                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 188                                         msg.replyTo = mMessenger;
 189                                         mService.send(msg);
 190                                 } catch (RemoteException e) {
 191                                         // There is nothing special we need to do if the service has crashed.
 192                                 }
 193                         }
 194                         // Detach our existing connection.
 195                         unbindService(mConnection);
 196                         mIsBound = false;
 197                 }
 198         }
 199
 200         public void registerTab(AltosDroidTab mTab) {
 201                 mTabs.add(mTab);
 202         }
 203
 204         public void unregisterTab(AltosDroidTab mTab) {
 205                 mTabs.remove(mTab);
 206         }
 207
 208         public void units_changed(boolean imperial_units) {
 209                 for (AltosDroidTab mTab : mTabs)
 210                         mTab.units_changed(imperial_units);
 211         }
 212
 213         void update_title(TelemetryState telemetry_state) {
 214                 switch (telemetry_state.connect) {
 215                 case TelemetryState.CONNECT_CONNECTED:
 216                         if (telemetry_state.config != null) {
 217                                 String str = String.format("S/N %d %6.3f MHz", telemetry_state.config.serial,
 218                                                            telemetry_state.frequency);
 219                                 if (telemetry_state.telemetry_rate != AltosLib.ao_telemetry_rate_38400)
 220                                         str = str.concat(String.format(" %d bps",
 221                                                                        AltosLib.ao_telemetry_rate_values[telemetry_state.telemetry_rate]));
 222                                 mTitle.setText(str);
 223                         } else {
 224                                 mTitle.setText(R.string.title_connected_to);
 225                         }
 226                         break;
 227                 case TelemetryState.CONNECT_CONNECTING:
 228                         if (telemetry_state.address != null)
 229                                 mTitle.setText(String.format("Connecting to %s...", telemetry_state.address.name));
 230                         else
 231                                 mTitle.setText("Connecting to something...");
 232                         break;
 233                 case TelemetryState.CONNECT_DISCONNECTED:
 234                 case TelemetryState.CONNECT_NONE:
 235                         mTitle.setText(R.string.title_not_connected);
 236                         break;
 237                 }
 238         }
 239
 240         void start_timer() {
 241                 if (timer == null) {
 242                         timer = new Timer();
 243                         timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 1000L);
 244                 }
 245         }
 246
 247         void stop_timer() {
 248                 if (timer != null) {
 249                         timer.cancel();
 250                         timer.purge();
 251                         timer = null;
 252                 }
 253         }
 254
 255         boolean registered_units_listener;
 256
 257         void update_state(TelemetryState telemetry_state) {
 258
 259                 if (!registered_units_listener) {
 260                         registered_units_listener = true;
 261                         AltosPreferences.register_units_listener(this);
 262                 }
 263
 264                 update_title(telemetry_state);
 265                 update_ui(telemetry_state.state, telemetry_state.location);
 266                 if (telemetry_state.connect == TelemetryState.CONNECT_CONNECTED)
 267                         start_timer();
 268         }
 269
 270         boolean same_string(String a, String b) {
 271                 if (a == null) {
 272                         if (b == null)
 273                                 return true;
 274                         return false;
 275                 } else {
 276                         if (b == null)
 277                                 return false;
 278                         return a.equals(b);
 279                 }
 280         }
 281
 282         void update_age() {
 283                 if (saved_state != null)
 284                         mAgeView.setText(String.format("%d", (System.currentTimeMillis() - saved_state.received_time + 500) / 1000));
 285         }
 286
 287         void update_ui(AltosState state, Location location) {
 288
 289                 int prev_state = AltosLib.ao_flight_invalid;
 290
 291                 AltosGreatCircle from_receiver = null;
 292
 293                 if (saved_state != null)
 294                         prev_state = saved_state.state;
 295
 296                 if (state != null) {
 297                         if (state.state == AltosLib.ao_flight_stateless) {
 298                                 boolean prev_locked = false;
 299                                 boolean locked = false;
 300
 301                                 if(state.gps != null)
 302                                         locked = state.gps.locked;
 303                                 if (saved_state != null && saved_state.gps != null)
 304                                         prev_locked = saved_state.gps.locked;
 305                                 if (prev_locked != locked) {
 306                                         String currentTab = mTabHost.getCurrentTabTag();
 307                                         if (locked) {
 308                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 309                                         } else {
 310                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("pad");
 311                                         }
 312                                 }
 313                         } else {
 314                                 if (prev_state != state.state) {
 315                                         String currentTab = mTabHost.getCurrentTabTag();
 316                                         switch (state.state) {
 317                                         case AltosLib.ao_flight_boost:
 318                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("ascent");
 319                                                 break;
 320                                         case AltosLib.ao_flight_drogue:
 321                                                 if (currentTab.equals("ascent")) mTabHost.setCurrentTabByTag("descent");
 322                                                 break;
 323                                         case AltosLib.ao_flight_landed:
 324                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("landed");
 325                                                 break;
 326                                         case AltosLib.ao_flight_stateless:
 327                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 328                                                 break;
 329                                         }
 330                                 }
 331                         }
 332
 333                         if (location != null && state.gps != null && state.gps.locked) {
 334                                 double altitude = 0;
 335                                 if (location.hasAltitude())
 336                                         altitude = location.getAltitude();
 337                                 from_receiver = new AltosGreatCircle(location.getLatitude(),
 338                                                                      location.getLongitude(),
 339                                                                      altitude,
 340                                                                      state.gps.lat,
 341                                                                      state.gps.lon,
 342                                                                      state.gps.alt);
 343                         }
 344
 345                         if (saved_state == null || !same_string(saved_state.callsign, state.callsign)) {
 346                                 mCallsignView.setText(state.callsign);
 347                         }
 348                         if (saved_state == null || state.serial != saved_state.serial) {
 349                                 mSerialView.setText(String.format("%d", state.serial));
 350                         }
 351                         if (saved_state == null || state.flight != saved_state.flight) {
 352                                 if (state.flight == AltosLib.MISSING)
 353                                         mFlightView.setText("");
 354                                 else
 355                                         mFlightView.setText(String.format("%d", state.flight));
 356                         }
 357                         if (saved_state == null || state.state != saved_state.state) {
 358                                 if (state.state == AltosLib.ao_flight_stateless) {
 359                                         mStateLayout.setVisibility(View.GONE);
 360                                 } else {
 361                                         mStateView.setText(state.state_name());
 362                                         mStateLayout.setVisibility(View.VISIBLE);
 363                                 }
 364                         }
 365                         if (saved_state == null || state.rssi != saved_state.rssi) {
 366                                 mRSSIView.setText(String.format("%d", state.rssi));
 367                         }
 368                 }
 369
 370                 for (AltosDroidTab mTab : mTabs)
 371                         mTab.update_ui(state, from_receiver, location, mTab == mTabsAdapter.currentItem());
 372
 373                 if (state != null && mAltosVoice != null)
 374                         mAltosVoice.tell(state, from_receiver);
 375
 376                 saved_state = state;
 377         }
 378
 379         private void onTimerTick() {
 380                 try {
 381                         mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
 382                 } catch (RemoteException e) {
 383                 }
 384         }
 385
 386         static String pos(double p, String pos, String neg) {
 387                 String  h = pos;
 388                 if (p == AltosLib.MISSING)
 389                         return "";
 390                 if (p < 0) {
 391                         h = neg;
 392                         p = -p;
 393                 }
 394                 int deg = (int) Math.floor(p);
 395                 double min = (p - Math.floor(p)) * 60.0;
 396                 return String.format("%d°%9.4f\" %s", deg, min, h);
 397         }
 398
 399         static String number(String format, double value) {
 400                 if (value == AltosLib.MISSING)
 401                         return "";
 402                 return String.format(format, value);
 403         }
 404
 405         static String integer(String format, int value) {
 406                 if (value == AltosLib.MISSING)
 407                         return "";
 408                 return String.format(format, value);
 409         }
 410
 411         private View create_tab_view(String label) {
 412                 LayoutInflater inflater = (LayoutInflater) this.getLayoutInflater();
 413                 View tab_view = inflater.inflate(R.layout.tab_layout, null);
 414                 TextView text_view = (TextView) tab_view.findViewById (R.id.tabLabel);
 415                 text_view.setText(label);
 416                 return tab_view;
 417         }
 418
 419         @Override
 420         public void onCreate(Bundle savedInstanceState) {
 421                 super.onCreate(savedInstanceState);
 422                 AltosDebug.debug("+++ ON CREATE +++");
 423
 424                 fm = getSupportFragmentManager();
 425
 426                 // Set up the window layout
 427                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 428                 setContentView(R.layout.altosdroid);
 429                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 430
 431                 // Create the Tabs and ViewPager
 432                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 433                 mTabHost.setup();
 434
 435                 mViewPager = (AltosViewPager)findViewById(R.id.pager);
 436                 mViewPager.setOffscreenPageLimit(4);
 437
 438                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 439
 440                 mTabsAdapter.addTab(mTabHost.newTabSpec("pad").setIndicator(create_tab_view("Pad")), TabPad.class, null);
 441                 mTabsAdapter.addTab(mTabHost.newTabSpec("ascent").setIndicator(create_tab_view("Ascent")), TabAscent.class, null);
 442                 mTabsAdapter.addTab(mTabHost.newTabSpec("descent").setIndicator(create_tab_view("Descent")), TabDescent.class, null);
 443                 mTabsAdapter.addTab(mTabHost.newTabSpec("landed").setIndicator(create_tab_view("Landed")), TabLanded.class, null);
 444                 mTabsAdapter.addTab(mTabHost.newTabSpec("map").setIndicator(create_tab_view("Map")), TabMap.class, null);
 445                 mTabsAdapter.addTab(mTabHost.newTabSpec("offmap").setIndicator(create_tab_view("OffMap")), TabMapOffline.class, null);
 446
 447                 // Set up the custom title
 448                 mTitle = (TextView) findViewById(R.id.title_left_text);
 449                 mTitle.setText(R.string.app_name);
 450                 mTitle = (TextView) findViewById(R.id.title_right_text);
 451
 452                 // Display the Version
 453                 mVersion = (TextView) findViewById(R.id.version);
 454                 mVersion.setText("Version: " + BuildInfo.version +
 455                                  "  Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 456                                  "  (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 457
 458                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 459                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 460                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 461                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 462                 mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
 463                 mStateView     = (TextView) findViewById(R.id.state_value);
 464                 mAgeView       = (TextView) findViewById(R.id.age_value);
 465         }
 466
 467         private boolean ensureBluetooth() {
 468                 // Get local Bluetooth adapter
 469                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 470
 471                 // If the adapter is null, then Bluetooth is not supported
 472                 if (mBluetoothAdapter == null) {
 473                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 474                         return false;
 475                 }
 476
 477                 if (!mBluetoothAdapter.isEnabled()) {
 478                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 479                         startActivityForResult(enableIntent, AltosDroid.REQUEST_ENABLE_BT);
 480                 }
 481
 482                 return true;
 483         }
 484
 485         private boolean check_usb() {
 486                 UsbDevice       device = AltosUsb.find_device(this, AltosLib.product_basestation);
 487
 488                 if (device != null) {
 489                         Intent          i = new Intent(this, AltosDroid.class);
 490                         PendingIntent   pi = PendingIntent.getActivity(this, 0, new Intent("hello world", null, this, AltosDroid.class), 0);
 491
 492                         if (AltosUsb.request_permission(this, device, pi)) {
 493                                 connectUsb(device);
 494                         }
 495                         start_with_usb = true;
 496                         return true;
 497                 }
 498
 499                 start_with_usb = false;
 500
 501                 return false;
 502         }
 503
 504         private void noticeIntent(Intent intent) {
 505
 506                 /* Ok, this is pretty convenient.
 507                  *
 508                  * When a USB device is plugged in, and our 'hotplug'
 509                  * intent registration fires, we get an Intent with
 510                  * EXTRA_DEVICE set.
 511                  *
 512                  * When we start up and see a usb device and request
 513                  * permission to access it, that queues a
 514                  * PendingIntent, which has the EXTRA_DEVICE added in,
 515                  * along with the EXTRA_PERMISSION_GRANTED field as
 516                  * well.
 517                  *
 518                  * So, in both cases, we get the device name using the
 519                  * same call. We check to see if access was granted,
 520                  * in which case we ignore the device field and do our
 521                  * usual startup thing.
 522                  */
 523
 524                 UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
 525                 boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
 526
 527                 AltosDebug.debug("intent %s device %s granted %s", intent, device, granted);
 528
 529                 if (!granted)
 530                         device = null;
 531
 532                 if (device != null) {
 533                         AltosDebug.debug("intent has usb device " + device.toString());
 534                         connectUsb(device);
 535                 } else {
 536
 537                         /* 'granted' is only false if this intent came
 538                          * from the request_permission call and
 539                          * permission was denied. In which case, we
 540                          * don't want to loop forever...
 541                          */
 542                         if (granted) {
 543                                 AltosDebug.debug("check for a USB device at startup");
 544                                 if (check_usb())
 545                                         return;
 546                         }
 547                         AltosDebug.debug("Starting by looking for bluetooth devices");
 548                         if (ensureBluetooth())
 549                                 return;
 550                         finish();
 551                 }
 552         }
 553
 554         @Override
 555         public void onStart() {
 556                 super.onStart();
 557                 AltosDebug.debug("++ ON START ++");
 558
 559                 noticeIntent(getIntent());
 560
 561                 // Start Telemetry Service
 562                 String  action = start_with_usb ? ACTION_USB : ACTION_BLUETOOTH;
 563
 564                 startService(new Intent(action, null, AltosDroid.this, TelemetryService.class));
 565
 566                 doBindService();
 567
 568                 if (mAltosVoice == null)
 569                         mAltosVoice = new AltosVoice(this);
 570
 571         }
 572
 573         @Override
 574         public void onNewIntent(Intent intent) {
 575                 super.onNewIntent(intent);
 576                 AltosDebug.debug("onNewIntent");
 577                 noticeIntent(intent);
 578         }
 579
 580         @Override
 581         public void onResume() {
 582                 super.onResume();
 583                 AltosDebug.debug("+ ON RESUME +");
 584         }
 585
 586         @Override
 587         public void onPause() {
 588                 super.onPause();
 589                 AltosDebug.debug("- ON PAUSE -");
 590         }
 591
 592         @Override
 593         public void onStop() {
 594                 super.onStop();
 595                 AltosDebug.debug("-- ON STOP --");
 596
 597                 doUnbindService();
 598                 if (mAltosVoice != null) {
 599                         mAltosVoice.stop();
 600                         mAltosVoice = null;
 601                 }
 602         }
 603
 604         @Override
 605         public void onDestroy() {
 606                 super.onDestroy();
 607                 AltosDebug.debug("--- ON DESTROY ---");
 608
 609                 if (mAltosVoice != null) mAltosVoice.stop();
 610                 stop_timer();
 611         }
 612
 613         protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 614                 AltosDebug.debug("onActivityResult " + resultCode);
 615                 switch (requestCode) {
 616                 case REQUEST_CONNECT_DEVICE:
 617                         // When DeviceListActivity returns with a device to connect to
 618                         if (resultCode == Activity.RESULT_OK) {
 619                                 connectDevice(data);
 620                         }
 621                         break;
 622                 case REQUEST_ENABLE_BT:
 623                         // When the request to enable Bluetooth returns
 624                         if (resultCode == Activity.RESULT_OK) {
 625                                 // Bluetooth is now enabled, so set up a chat session
 626                                 //setupChat();
 627                         } else {
 628                                 // User did not enable Bluetooth or an error occured
 629                                 AltosDebug.error("BT not enabled");
 630                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 631                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 632                                 finish();
 633                         }
 634                         break;
 635                 case REQUEST_MAP_TYPE:
 636                         if (resultCode == Activity.RESULT_OK)
 637                                 set_map_type(data);
 638                         break;
 639                 }
 640         }
 641
 642         private void connectUsb(UsbDevice device) {
 643                 if (mService == null)
 644                         pending_usb_device = device;
 645                 else {
 646                         // Attempt to connect to the device
 647                         try {
 648                                 mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, device));
 649                                 AltosDebug.debug("Sent OPEN_USB message");
 650                         } catch (RemoteException e) {
 651                                 AltosDebug.debug("connect device message failed");
 652                         }
 653                 }
 654         }
 655
 656         private void connectDevice(Intent data) {
 657                 // Attempt to connect to the device
 658                 try {
 659                         String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 660                         String name = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_NAME);
 661
 662                         AltosDebug.debug("Connecting to " + address + " " + name);
 663                         DeviceAddress   a = new DeviceAddress(address, name);
 664                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, a));
 665                         AltosDebug.debug("Sent connecting message");
 666                 } catch (RemoteException e) {
 667                         AltosDebug.debug("connect device message failed");
 668                 }
 669         }
 670
 671         private void disconnectDevice() {
 672                 try {
 673                         mService.send(Message.obtain(null, TelemetryService.MSG_DISCONNECT, null));
 674                 } catch (RemoteException e) {
 675                 }
 676         }
 677
 678         private void set_map_type(Intent data) {
 679                 int     mode = data.getIntExtra(MapTypeActivity.EXTRA_MAP_TYPE, -1);
 680
 681                 AltosDebug.debug("intent set_map_type %d\n", mode);
 682                 if (mode != -1) {
 683                         for (AltosDroidTab mTab : mTabs)
 684                                 mTab.set_map_type(mode);
 685                 }
 686         }
 687
 688         @Override
 689         public boolean onCreateOptionsMenu(Menu menu) {
 690                 MenuInflater inflater = getMenuInflater();
 691                 inflater.inflate(R.menu.option_menu, menu);
 692                 return true;
 693         }
 694
 695         void setFrequency(double freq) {
 696                 try {
 697                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 698                 } catch (RemoteException e) {
 699                 }
 700         }
 701
 702         void setFrequency(String freq) {
 703                 try {
 704                         setFrequency (AltosParse.parse_double_net(freq.substring(11, 17)));
 705                 } catch (ParseException e) {
 706                 }
 707         }
 708
 709         void setBaud(int baud) {
 710                 try {
 711                         mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
 712                 } catch (RemoteException e) {
 713                 }
 714         }
 715
 716         void setBaud(String baud) {
 717                 try {
 718                         int     value = Integer.parseInt(baud);
 719                         int     rate = AltosLib.ao_telemetry_rate_38400;
 720                         switch (value) {
 721                         case 2400:
 722                                 rate = AltosLib.ao_telemetry_rate_2400;
 723                                 break;
 724                         case 9600:
 725                                 rate = AltosLib.ao_telemetry_rate_9600;
 726                                 break;
 727                         case 38400:
 728                                 rate = AltosLib.ao_telemetry_rate_38400;
 729                                 break;
 730                         }
 731                         setBaud(rate);
 732                 } catch (NumberFormatException e) {
 733                 }
 734         }
 735
 736         @Override
 737         public boolean onOptionsItemSelected(MenuItem item) {
 738                 Intent serverIntent = null;
 739                 switch (item.getItemId()) {
 740                 case R.id.connect_scan:
 741                         if (ensureBluetooth()) {
 742                                 // Launch the DeviceListActivity to see devices and do scan
 743                                 serverIntent = new Intent(this, DeviceListActivity.class);
 744                                 startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 745                         }
 746                         return true;
 747                 case R.id.disconnect:
 748                         /* Disconnect the device
 749                          */
 750                         disconnectDevice();
 751                         return true;
 752                 case R.id.quit:
 753                         AltosDebug.debug("R.id.quit");
 754                         disconnectDevice();
 755                         finish();
 756                         return true;
 757                 case R.id.select_freq:
 758                         // Set the TBT radio frequency
 759
 760                         final String[] frequencies = {
 761                                 "Channel 0 (434.550MHz)",
 762                                 "Channel 1 (434.650MHz)",
 763                                 "Channel 2 (434.750MHz)",
 764                                 "Channel 3 (434.850MHz)",
 765                                 "Channel 4 (434.950MHz)",
 766                                 "Channel 5 (435.050MHz)",
 767                                 "Channel 6 (435.150MHz)",
 768                                 "Channel 7 (435.250MHz)",
 769                                 "Channel 8 (435.350MHz)",
 770                                 "Channel 9 (435.450MHz)"
 771                         };
 772
 773                         AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
 774                         builder_freq.setTitle("Pick a frequency");
 775                         builder_freq.setItems(frequencies,
 776                                          new DialogInterface.OnClickListener() {
 777                                                  public void onClick(DialogInterface dialog, int item) {
 778                                                          setFrequency(frequencies[item]);
 779                                                  }
 780                                          });
 781                         AlertDialog alert_freq = builder_freq.create();
 782                         alert_freq.show();
 783                         return true;
 784                 case R.id.select_rate:
 785                         // Set the TBT baud rate
 786
 787                         final String[] rates = {
 788                                 "38400",
 789                                 "9600",
 790                                 "2400",
 791                         };
 792
 793                         AlertDialog.Builder builder_rate = new AlertDialog.Builder(this);
 794                         builder_rate.setTitle("Pick a baud rate");
 795                         builder_rate.setItems(rates,
 796                                          new DialogInterface.OnClickListener() {
 797                                                  public void onClick(DialogInterface dialog, int item) {
 798                                                          setBaud(rates[item]);
 799                                                  }
 800                                          });
 801                         AlertDialog alert_rate = builder_rate.create();
 802                         alert_rate.show();
 803                         return true;
 804                 case R.id.change_units:
 805                         boolean imperial = AltosPreferences.imperial_units();
 806                         AltosPreferences.set_imperial_units(!imperial);
 807                         return true;
 808                 case R.id.preload_maps:
 809                         serverIntent = new Intent(this, PreloadMapActivity.class);
 810                         startActivityForResult(serverIntent, REQUEST_PRELOAD_MAPS);
 811                         return true;
 812                 case R.id.map_type:
 813                         serverIntent = new Intent(this, MapTypeActivity.class);
 814                         startActivityForResult(serverIntent, REQUEST_MAP_TYPE);
 815                         return true;
 816                 }
 817                 return false;
 818         }
 819
 820 }