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 int map_type = AltosMap.maptype_hybrid;
  80
  81         public static FragmentManager   fm;
  82
  83         private BluetoothAdapter mBluetoothAdapter = null;
  84
  85         // Layout Views
  86         private TextView mTitle;
  87
  88         // Flight state values
  89         private TextView mCallsignView;
  90         private TextView mRSSIView;
  91         private TextView mSerialView;
  92         private TextView mFlightView;
  93         private RelativeLayout mStateLayout;
  94         private TextView mStateView;
  95         private TextView mAgeView;
  96
  97         // field to display the version at the bottom of the screen
  98         private TextView mVersion;
  99
 100         private double frequency;
 101         private int telemetry_rate;
 102
 103         // Tabs
 104         TabHost         mTabHost;
 105         AltosViewPager  mViewPager;
 106         TabsAdapter     mTabsAdapter;
 107         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
 108         int             tabHeight;
 109
 110         // Timer and Saved flight state for Age calculation
 111         private Timer timer;
 112         AltosState saved_state;
 113
 114         UsbDevice       pending_usb_device;
 115         boolean         start_with_usb;
 116
 117         // Service
 118         private boolean mIsBound   = false;
 119         private Messenger mService = null;
 120         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
 121
 122         // Text to Speech
 123         private AltosVoice mAltosVoice = null;
 124
 125         // The Handler that gets information back from the Telemetry Service
 126         static class IncomingHandler extends Handler {
 127                 private final WeakReference<AltosDroid> mAltosDroid;
 128                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 129
 130                 @Override
 131                 public void handleMessage(Message msg) {
 132                         AltosDroid ad = mAltosDroid.get();
 133
 134                         switch (msg.what) {
 135                         case MSG_STATE:
 136                                 AltosDebug.debug("MSG_STATE");
 137                                 TelemetryState telemetry_state = (TelemetryState) msg.obj;
 138                                 if (telemetry_state == null) {
 139                                         AltosDebug.debug("telemetry_state null!");
 140                                         return;
 141                                 }
 142
 143                                 ad.update_state(telemetry_state);
 144                                 break;
 145                         case MSG_UPDATE_AGE:
 146                                 AltosDebug.debug("MSG_UPDATE_AGE");
 147                                 ad.update_age();
 148                                 break;
 149                         }
 150                 }
 151         };
 152
 153
 154         private ServiceConnection mConnection = new ServiceConnection() {
 155                 public void onServiceConnected(ComponentName className, IBinder service) {
 156                         mService = new Messenger(service);
 157                         try {
 158                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 159                                 msg.replyTo = mMessenger;
 160                                 mService.send(msg);
 161                         } catch (RemoteException e) {
 162                                 // In this case the service has crashed before we could even do anything with it
 163                         }
 164                         if (pending_usb_device != null) {
 165                                 try {
 166                                         mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, pending_usb_device));
 167                                         pending_usb_device = null;
 168                                 } catch (RemoteException e) {
 169                                 }
 170                         }
 171                 }
 172
 173                 public void onServiceDisconnected(ComponentName className) {
 174                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 175                         mService = null;
 176                 }
 177         };
 178
 179         void doBindService() {
 180                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 181                 mIsBound = true;
 182         }
 183
 184         void doUnbindService() {
 185                 if (mIsBound) {
 186                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 187                         if (mService != null) {
 188                                 try {
 189                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 190                                         msg.replyTo = mMessenger;
 191                                         mService.send(msg);
 192                                 } catch (RemoteException e) {
 193                                         // There is nothing special we need to do if the service has crashed.
 194                                 }
 195                         }
 196                         // Detach our existing connection.
 197                         unbindService(mConnection);
 198                         mIsBound = false;
 199                 }
 200         }
 201
 202         public void registerTab(AltosDroidTab mTab) {
 203                 mTabs.add(mTab);
 204         }
 205
 206         public void unregisterTab(AltosDroidTab mTab) {
 207                 mTabs.remove(mTab);
 208         }
 209
 210         public void units_changed(boolean imperial_units) {
 211                 for (AltosDroidTab mTab : mTabs)
 212                         mTab.units_changed(imperial_units);
 213         }
 214
 215         void update_title(TelemetryState telemetry_state) {
 216                 switch (telemetry_state.connect) {
 217                 case TelemetryState.CONNECT_CONNECTED:
 218                         if (telemetry_state.config != null) {
 219                                 String str = String.format("S/N %d %6.3f MHz", telemetry_state.config.serial,
 220                                                            telemetry_state.frequency);
 221                                 if (telemetry_state.telemetry_rate != AltosLib.ao_telemetry_rate_38400)
 222                                         str = str.concat(String.format(" %d bps",
 223                                                                        AltosLib.ao_telemetry_rate_values[telemetry_state.telemetry_rate]));
 224                                 mTitle.setText(str);
 225                         } else {
 226                                 mTitle.setText(R.string.title_connected_to);
 227                         }
 228                         break;
 229                 case TelemetryState.CONNECT_CONNECTING:
 230                         if (telemetry_state.address != null)
 231                                 mTitle.setText(String.format("Connecting to %s...", telemetry_state.address.name));
 232                         else
 233                                 mTitle.setText("Connecting to something...");
 234                         break;
 235                 case TelemetryState.CONNECT_DISCONNECTED:
 236                 case TelemetryState.CONNECT_NONE:
 237                         mTitle.setText(R.string.title_not_connected);
 238                         break;
 239                 }
 240         }
 241
 242         void start_timer() {
 243                 if (timer == null) {
 244                         timer = new Timer();
 245                         timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 1000L);
 246                 }
 247         }
 248
 249         void stop_timer() {
 250                 if (timer != null) {
 251                         timer.cancel();
 252                         timer.purge();
 253                         timer = null;
 254                 }
 255         }
 256
 257         boolean registered_units_listener;
 258
 259         void update_state(TelemetryState telemetry_state) {
 260
 261                 if (!registered_units_listener) {
 262                         registered_units_listener = true;
 263                         AltosPreferences.register_units_listener(this);
 264                 }
 265
 266                 update_title(telemetry_state);
 267                 update_ui(telemetry_state.state, telemetry_state.location);
 268                 if (telemetry_state.connect == TelemetryState.CONNECT_CONNECTED)
 269                         start_timer();
 270         }
 271
 272         boolean same_string(String a, String b) {
 273                 if (a == null) {
 274                         if (b == null)
 275                                 return true;
 276                         return false;
 277                 } else {
 278                         if (b == null)
 279                                 return false;
 280                         return a.equals(b);
 281                 }
 282         }
 283
 284         void update_age() {
 285                 if (saved_state != null)
 286                         mAgeView.setText(String.format("%d", (System.currentTimeMillis() - saved_state.received_time + 500) / 1000));
 287         }
 288
 289         void update_ui(AltosState state, Location location) {
 290
 291                 int prev_state = AltosLib.ao_flight_invalid;
 292
 293                 AltosGreatCircle from_receiver = null;
 294
 295                 if (saved_state != null)
 296                         prev_state = saved_state.state;
 297
 298                 if (state != null) {
 299                         if (state.state == AltosLib.ao_flight_stateless) {
 300                                 boolean prev_locked = false;
 301                                 boolean locked = false;
 302
 303                                 if(state.gps != null)
 304                                         locked = state.gps.locked;
 305                                 if (saved_state != null && saved_state.gps != null)
 306                                         prev_locked = saved_state.gps.locked;
 307                                 if (prev_locked != locked) {
 308                                         String currentTab = mTabHost.getCurrentTabTag();
 309                                         if (locked) {
 310                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 311                                         } else {
 312                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("pad");
 313                                         }
 314                                 }
 315                         } else {
 316                                 if (prev_state != state.state) {
 317                                         String currentTab = mTabHost.getCurrentTabTag();
 318                                         switch (state.state) {
 319                                         case AltosLib.ao_flight_boost:
 320                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("ascent");
 321                                                 break;
 322                                         case AltosLib.ao_flight_drogue:
 323                                                 if (currentTab.equals("ascent")) mTabHost.setCurrentTabByTag("descent");
 324                                                 break;
 325                                         case AltosLib.ao_flight_landed:
 326                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("landed");
 327                                                 break;
 328                                         case AltosLib.ao_flight_stateless:
 329                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 330                                                 break;
 331                                         }
 332                                 }
 333                         }
 334
 335                         if (location != null && state.gps != null && state.gps.locked) {
 336                                 double altitude = 0;
 337                                 if (location.hasAltitude())
 338                                         altitude = location.getAltitude();
 339                                 from_receiver = new AltosGreatCircle(location.getLatitude(),
 340                                                                      location.getLongitude(),
 341                                                                      altitude,
 342                                                                      state.gps.lat,
 343                                                                      state.gps.lon,
 344                                                                      state.gps.alt);
 345                         }
 346
 347                         if (saved_state == null || !same_string(saved_state.callsign, state.callsign)) {
 348                                 mCallsignView.setText(state.callsign);
 349                         }
 350                         if (saved_state == null || state.serial != saved_state.serial) {
 351                                 mSerialView.setText(String.format("%d", state.serial));
 352                         }
 353                         if (saved_state == null || state.flight != saved_state.flight) {
 354                                 if (state.flight == AltosLib.MISSING)
 355                                         mFlightView.setText("");
 356                                 else
 357                                         mFlightView.setText(String.format("%d", state.flight));
 358                         }
 359                         if (saved_state == null || state.state != saved_state.state) {
 360                                 if (state.state == AltosLib.ao_flight_stateless) {
 361                                         mStateLayout.setVisibility(View.GONE);
 362                                 } else {
 363                                         mStateView.setText(state.state_name());
 364                                         mStateLayout.setVisibility(View.VISIBLE);
 365                                 }
 366                         }
 367                         if (saved_state == null || state.rssi != saved_state.rssi) {
 368                                 mRSSIView.setText(String.format("%d", state.rssi));
 369                         }
 370                 }
 371
 372                 for (AltosDroidTab mTab : mTabs)
 373                         mTab.update_ui(state, from_receiver, location, mTab == mTabsAdapter.currentItem());
 374
 375                 if (state != null && mAltosVoice != null)
 376                         mAltosVoice.tell(state, from_receiver);
 377
 378                 saved_state = state;
 379         }
 380
 381         private void onTimerTick() {
 382                 try {
 383                         mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
 384                 } catch (RemoteException e) {
 385                 }
 386         }
 387
 388         static String pos(double p, String pos, String neg) {
 389                 String  h = pos;
 390                 if (p == AltosLib.MISSING)
 391                         return "";
 392                 if (p < 0) {
 393                         h = neg;
 394                         p = -p;
 395                 }
 396                 int deg = (int) Math.floor(p);
 397                 double min = (p - Math.floor(p)) * 60.0;
 398                 return String.format("%d°%9.4f\" %s", deg, min, h);
 399         }
 400
 401         static String number(String format, double value) {
 402                 if (value == AltosLib.MISSING)
 403                         return "";
 404                 return String.format(format, value);
 405         }
 406
 407         static String integer(String format, int value) {
 408                 if (value == AltosLib.MISSING)
 409                         return "";
 410                 return String.format(format, value);
 411         }
 412
 413         private View create_tab_view(String label) {
 414                 LayoutInflater inflater = (LayoutInflater) this.getLayoutInflater();
 415                 View tab_view = inflater.inflate(R.layout.tab_layout, null);
 416                 TextView text_view = (TextView) tab_view.findViewById (R.id.tabLabel);
 417                 text_view.setText(label);
 418                 return tab_view;
 419         }
 420
 421         @Override
 422         public void onCreate(Bundle savedInstanceState) {
 423                 super.onCreate(savedInstanceState);
 424                 AltosDebug.init(this);
 425                 AltosDebug.debug("+++ ON CREATE +++");
 426
 427                 fm = getSupportFragmentManager();
 428
 429                 // Set up the window layout
 430                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 431                 setContentView(R.layout.altosdroid);
 432                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 433
 434                 // Create the Tabs and ViewPager
 435                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 436                 mTabHost.setup();
 437
 438                 mViewPager = (AltosViewPager)findViewById(R.id.pager);
 439                 mViewPager.setOffscreenPageLimit(4);
 440
 441                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 442
 443                 mTabsAdapter.addTab(mTabHost.newTabSpec("pad").setIndicator(create_tab_view("Pad")), TabPad.class, null);
 444                 mTabsAdapter.addTab(mTabHost.newTabSpec("ascent").setIndicator(create_tab_view("Ascent")), TabAscent.class, null);
 445                 mTabsAdapter.addTab(mTabHost.newTabSpec("descent").setIndicator(create_tab_view("Descent")), TabDescent.class, null);
 446                 mTabsAdapter.addTab(mTabHost.newTabSpec("landed").setIndicator(create_tab_view("Landed")), TabLanded.class, null);
 447                 mTabsAdapter.addTab(mTabHost.newTabSpec("map").setIndicator(create_tab_view("Map")), TabMap.class, null);
 448                 mTabsAdapter.addTab(mTabHost.newTabSpec("offmap").setIndicator(create_tab_view("OffMap")), TabMapOffline.class, null);
 449
 450                 // Set up the custom title
 451                 mTitle = (TextView) findViewById(R.id.title_left_text);
 452                 mTitle.setText(R.string.app_name);
 453                 mTitle = (TextView) findViewById(R.id.title_right_text);
 454
 455                 // Display the Version
 456                 mVersion = (TextView) findViewById(R.id.version);
 457                 mVersion.setText("Version: " + BuildInfo.version +
 458                                  "  Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 459                                  "  (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 460
 461                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 462                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 463                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 464                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 465                 mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
 466                 mStateView     = (TextView) findViewById(R.id.state_value);
 467                 mAgeView       = (TextView) findViewById(R.id.age_value);
 468         }
 469
 470         private boolean ensureBluetooth() {
 471                 // Get local Bluetooth adapter
 472                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 473
 474                 // If the adapter is null, then Bluetooth is not supported
 475                 if (mBluetoothAdapter == null) {
 476                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 477                         return false;
 478                 }
 479
 480                 if (!mBluetoothAdapter.isEnabled()) {
 481                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 482                         startActivityForResult(enableIntent, AltosDroid.REQUEST_ENABLE_BT);
 483                 }
 484
 485                 return true;
 486         }
 487
 488         private boolean check_usb() {
 489                 UsbDevice       device = AltosUsb.find_device(this, AltosLib.product_basestation);
 490
 491                 if (device != null) {
 492                         Intent          i = new Intent(this, AltosDroid.class);
 493                         PendingIntent   pi = PendingIntent.getActivity(this, 0, new Intent("hello world", null, this, AltosDroid.class), 0);
 494
 495                         if (AltosUsb.request_permission(this, device, pi)) {
 496                                 connectUsb(device);
 497                         }
 498                         start_with_usb = true;
 499                         return true;
 500                 }
 501
 502                 start_with_usb = false;
 503
 504                 return false;
 505         }
 506
 507         private void noticeIntent(Intent intent) {
 508
 509                 /* Ok, this is pretty convenient.
 510                  *
 511                  * When a USB device is plugged in, and our 'hotplug'
 512                  * intent registration fires, we get an Intent with
 513                  * EXTRA_DEVICE set.
 514                  *
 515                  * When we start up and see a usb device and request
 516                  * permission to access it, that queues a
 517                  * PendingIntent, which has the EXTRA_DEVICE added in,
 518                  * along with the EXTRA_PERMISSION_GRANTED field as
 519                  * well.
 520                  *
 521                  * So, in both cases, we get the device name using the
 522                  * same call. We check to see if access was granted,
 523                  * in which case we ignore the device field and do our
 524                  * usual startup thing.
 525                  */
 526
 527                 UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
 528                 boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
 529
 530                 AltosDebug.debug("intent %s device %s granted %s", intent, device, granted);
 531
 532                 if (!granted)
 533                         device = null;
 534
 535                 if (device != null) {
 536                         AltosDebug.debug("intent has usb device " + device.toString());
 537                         connectUsb(device);
 538                 } else {
 539
 540                         /* 'granted' is only false if this intent came
 541                          * from the request_permission call and
 542                          * permission was denied. In which case, we
 543                          * don't want to loop forever...
 544                          */
 545                         if (granted) {
 546                                 AltosDebug.debug("check for a USB device at startup");
 547                                 if (check_usb())
 548                                         return;
 549                         }
 550                         AltosDebug.debug("Starting by looking for bluetooth devices");
 551                         if (ensureBluetooth())
 552                                 return;
 553                         finish();
 554                 }
 555         }
 556
 557         @Override
 558         public void onStart() {
 559                 super.onStart();
 560                 AltosDebug.debug("++ ON START ++");
 561
 562                 noticeIntent(getIntent());
 563
 564                 // Start Telemetry Service
 565                 String  action = start_with_usb ? ACTION_USB : ACTION_BLUETOOTH;
 566
 567                 startService(new Intent(action, null, AltosDroid.this, TelemetryService.class));
 568
 569                 doBindService();
 570
 571                 if (mAltosVoice == null)
 572                         mAltosVoice = new AltosVoice(this);
 573
 574         }
 575
 576         @Override
 577         public void onNewIntent(Intent intent) {
 578                 super.onNewIntent(intent);
 579                 AltosDebug.debug("onNewIntent");
 580                 noticeIntent(intent);
 581         }
 582
 583         @Override
 584         public void onResume() {
 585                 super.onResume();
 586                 AltosDebug.debug("+ ON RESUME +");
 587         }
 588
 589         @Override
 590         public void onPause() {
 591                 super.onPause();
 592                 AltosDebug.debug("- ON PAUSE -");
 593         }
 594
 595         @Override
 596         public void onStop() {
 597                 super.onStop();
 598                 AltosDebug.debug("-- ON STOP --");
 599
 600                 doUnbindService();
 601                 if (mAltosVoice != null) {
 602                         mAltosVoice.stop();
 603                         mAltosVoice = null;
 604                 }
 605         }
 606
 607         @Override
 608         public void onDestroy() {
 609                 super.onDestroy();
 610                 AltosDebug.debug("--- ON DESTROY ---");
 611
 612                 if (mAltosVoice != null) mAltosVoice.stop();
 613                 stop_timer();
 614         }
 615
 616         protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 617                 AltosDebug.debug("onActivityResult " + resultCode);
 618                 switch (requestCode) {
 619                 case REQUEST_CONNECT_DEVICE:
 620                         // When DeviceListActivity returns with a device to connect to
 621                         if (resultCode == Activity.RESULT_OK) {
 622                                 connectDevice(data);
 623                         }
 624                         break;
 625                 case REQUEST_ENABLE_BT:
 626                         // When the request to enable Bluetooth returns
 627                         if (resultCode == Activity.RESULT_OK) {
 628                                 // Bluetooth is now enabled, so set up a chat session
 629                                 //setupChat();
 630                         } else {
 631                                 // User did not enable Bluetooth or an error occured
 632                                 AltosDebug.error("BT not enabled");
 633                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 634                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 635                                 finish();
 636                         }
 637                         break;
 638                 case REQUEST_MAP_TYPE:
 639                         if (resultCode == Activity.RESULT_OK)
 640                                 set_map_type(data);
 641                         break;
 642                 }
 643         }
 644
 645         private void connectUsb(UsbDevice device) {
 646                 if (mService == null)
 647                         pending_usb_device = device;
 648                 else {
 649                         // Attempt to connect to the device
 650                         try {
 651                                 mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, device));
 652                                 AltosDebug.debug("Sent OPEN_USB message");
 653                         } catch (RemoteException e) {
 654                                 AltosDebug.debug("connect device message failed");
 655                         }
 656                 }
 657         }
 658
 659         private void connectDevice(Intent data) {
 660                 // Attempt to connect to the device
 661                 try {
 662                         String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 663                         String name = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_NAME);
 664
 665                         AltosDebug.debug("Connecting to " + address + " " + name);
 666                         DeviceAddress   a = new DeviceAddress(address, name);
 667                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, a));
 668                         AltosDebug.debug("Sent connecting message");
 669                 } catch (RemoteException e) {
 670                         AltosDebug.debug("connect device message failed");
 671                 }
 672         }
 673
 674         private void disconnectDevice() {
 675                 try {
 676                         mService.send(Message.obtain(null, TelemetryService.MSG_DISCONNECT, null));
 677                 } catch (RemoteException e) {
 678                 }
 679         }
 680
 681         private void set_map_type(Intent data) {
 682                 int type = data.getIntExtra(MapTypeActivity.EXTRA_MAP_TYPE, -1);
 683
 684                 AltosDebug.debug("intent set_map_type %d\n", type);
 685                 if (type != -1) {
 686                         map_type = type;
 687                         for (AltosDroidTab mTab : mTabs)
 688                                 mTab.set_map_type(map_type);
 689                 }
 690         }
 691
 692         @Override
 693         public boolean onCreateOptionsMenu(Menu menu) {
 694                 MenuInflater inflater = getMenuInflater();
 695                 inflater.inflate(R.menu.option_menu, menu);
 696                 return true;
 697         }
 698
 699         void setFrequency(double freq) {
 700                 try {
 701                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 702                 } catch (RemoteException e) {
 703                 }
 704         }
 705
 706         void setFrequency(String freq) {
 707                 try {
 708                         setFrequency (AltosParse.parse_double_net(freq.substring(11, 17)));
 709                 } catch (ParseException e) {
 710                 }
 711         }
 712
 713         void setBaud(int baud) {
 714                 try {
 715                         mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
 716                 } catch (RemoteException e) {
 717                 }
 718         }
 719
 720         void setBaud(String baud) {
 721                 try {
 722                         int     value = Integer.parseInt(baud);
 723                         int     rate = AltosLib.ao_telemetry_rate_38400;
 724                         switch (value) {
 725                         case 2400:
 726                                 rate = AltosLib.ao_telemetry_rate_2400;
 727                                 break;
 728                         case 9600:
 729                                 rate = AltosLib.ao_telemetry_rate_9600;
 730                                 break;
 731                         case 38400:
 732                                 rate = AltosLib.ao_telemetry_rate_38400;
 733                                 break;
 734                         }
 735                         setBaud(rate);
 736                 } catch (NumberFormatException e) {
 737                 }
 738         }
 739
 740         @Override
 741         public boolean onOptionsItemSelected(MenuItem item) {
 742                 Intent serverIntent = null;
 743                 switch (item.getItemId()) {
 744                 case R.id.connect_scan:
 745                         if (ensureBluetooth()) {
 746                                 // Launch the DeviceListActivity to see devices and do scan
 747                                 serverIntent = new Intent(this, DeviceListActivity.class);
 748                                 startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 749                         }
 750                         return true;
 751                 case R.id.disconnect:
 752                         /* Disconnect the device
 753                          */
 754                         disconnectDevice();
 755                         return true;
 756                 case R.id.quit:
 757                         AltosDebug.debug("R.id.quit");
 758                         disconnectDevice();
 759                         finish();
 760                         return true;
 761                 case R.id.select_freq:
 762                         // Set the TBT radio frequency
 763
 764                         final String[] frequencies = {
 765                                 "Channel 0 (434.550MHz)",
 766                                 "Channel 1 (434.650MHz)",
 767                                 "Channel 2 (434.750MHz)",
 768                                 "Channel 3 (434.850MHz)",
 769                                 "Channel 4 (434.950MHz)",
 770                                 "Channel 5 (435.050MHz)",
 771                                 "Channel 6 (435.150MHz)",
 772                                 "Channel 7 (435.250MHz)",
 773                                 "Channel 8 (435.350MHz)",
 774                                 "Channel 9 (435.450MHz)"
 775                         };
 776
 777                         AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
 778                         builder_freq.setTitle("Pick a frequency");
 779                         builder_freq.setItems(frequencies,
 780                                          new DialogInterface.OnClickListener() {
 781                                                  public void onClick(DialogInterface dialog, int item) {
 782                                                          setFrequency(frequencies[item]);
 783                                                  }
 784                                          });
 785                         AlertDialog alert_freq = builder_freq.create();
 786                         alert_freq.show();
 787                         return true;
 788                 case R.id.select_rate:
 789                         // Set the TBT baud rate
 790
 791                         final String[] rates = {
 792                                 "38400",
 793                                 "9600",
 794                                 "2400",
 795                         };
 796
 797                         AlertDialog.Builder builder_rate = new AlertDialog.Builder(this);
 798                         builder_rate.setTitle("Pick a baud rate");
 799                         builder_rate.setItems(rates,
 800                                          new DialogInterface.OnClickListener() {
 801                                                  public void onClick(DialogInterface dialog, int item) {
 802                                                          setBaud(rates[item]);
 803                                                  }
 804                                          });
 805                         AlertDialog alert_rate = builder_rate.create();
 806                         alert_rate.show();
 807                         return true;
 808                 case R.id.change_units:
 809                         boolean imperial = AltosPreferences.imperial_units();
 810                         AltosPreferences.set_imperial_units(!imperial);
 811                         return true;
 812                 case R.id.preload_maps:
 813                         serverIntent = new Intent(this, PreloadMapActivity.class);
 814                         startActivityForResult(serverIntent, REQUEST_PRELOAD_MAPS);
 815                         return true;
 816                 case R.id.map_type:
 817                         serverIntent = new Intent(this, MapTypeActivity.class);
 818                         startActivityForResult(serverIntent, REQUEST_MAP_TYPE);
 819                         return true;
 820                 }
 821                 return false;
 822         }
 823
 824 }