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.*;
  46 import android.widget.*;
  47 import android.app.AlertDialog;
  48 import android.location.Location;
  49 import android.hardware.usb.*;
  50 import android.graphics.*;
  51 import android.graphics.drawable.*;
  52
  53 import org.altusmetrum.altoslib_7.*;
  54
  55 public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
  56
  57         // Actions sent to the telemetry server at startup time
  58
  59         public static final String ACTION_BLUETOOTH = "org.altusmetrum.AltosDroid.BLUETOOTH";
  60         public static final String ACTION_USB = "org.altusmetrum.AltosDroid.USB";
  61
  62         // Message types received by our Handler
  63
  64         public static final int MSG_STATE           = 1;
  65         public static final int MSG_UPDATE_AGE      = 2;
  66
  67         // Intent request codes
  68         public static final int REQUEST_CONNECT_DEVICE = 1;
  69         public static final int REQUEST_ENABLE_BT      = 2;
  70         public static final int REQUEST_PRELOAD_MAPS   = 3;
  71         public static final int REQUEST_MAP_TYPE       = 4;
  72
  73         public int map_type = AltosMap.maptype_hybrid;
  74
  75         public static FragmentManager   fm;
  76
  77         private BluetoothAdapter mBluetoothAdapter = null;
  78
  79         // Flight state values
  80         private TextView mCallsignView;
  81         private TextView mRSSIView;
  82         private TextView mSerialView;
  83         private TextView mFlightView;
  84         private RelativeLayout mStateLayout;
  85         private TextView mStateView;
  86         private TextView mAgeView;
  87         private boolean  mAgeViewOld;
  88         private int mAgeNewColor;
  89         private int mAgeOldColor;
  90
  91         // field to display the version at the bottom of the screen
  92         private TextView mVersion;
  93
  94         private double frequency;
  95         private int telemetry_rate;
  96
  97         // Tabs
  98         TabHost         mTabHost;
  99         AltosViewPager  mViewPager;
 100         TabsAdapter     mTabsAdapter;
 101         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
 102         int             tabHeight;
 103
 104         // Timer and Saved flight state for Age calculation
 105         private Timer timer;
 106         AltosState saved_state;
 107         TelemetryState  telemetry_state;
 108         Integer[]       serials;
 109
 110         UsbDevice       pending_usb_device;
 111         boolean         start_with_usb;
 112
 113         // Service
 114         private boolean mIsBound   = false;
 115         private Messenger mService = null;
 116         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
 117
 118         // Text to Speech
 119         private AltosVoice mAltosVoice = null;
 120
 121         // The Handler that gets information back from the Telemetry Service
 122         static class IncomingHandler extends Handler {
 123                 private final WeakReference<AltosDroid> mAltosDroid;
 124                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 125
 126                 @Override
 127                 public void handleMessage(Message msg) {
 128                         AltosDroid ad = mAltosDroid.get();
 129
 130                         switch (msg.what) {
 131                         case MSG_STATE:
 132                                 AltosDebug.debug("MSG_STATE");
 133                                 if (msg.obj == null) {
 134                                         AltosDebug.debug("telemetry_state null!");
 135                                         return;
 136                                 }
 137                                 ad.update_state((TelemetryState) msg.obj);
 138                                 break;
 139                         case MSG_UPDATE_AGE:
 140                                 AltosDebug.debug("MSG_UPDATE_AGE");
 141                                 ad.update_age();
 142                                 break;
 143                         }
 144                 }
 145         };
 146
 147
 148         private ServiceConnection mConnection = new ServiceConnection() {
 149                 public void onServiceConnected(ComponentName className, IBinder service) {
 150                         mService = new Messenger(service);
 151                         try {
 152                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 153                                 msg.replyTo = mMessenger;
 154                                 mService.send(msg);
 155                         } catch (RemoteException e) {
 156                                 // In this case the service has crashed before we could even do anything with it
 157                         }
 158                         if (pending_usb_device != null) {
 159                                 try {
 160                                         mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, pending_usb_device));
 161                                         pending_usb_device = null;
 162                                 } catch (RemoteException e) {
 163                                 }
 164                         }
 165                 }
 166
 167                 public void onServiceDisconnected(ComponentName className) {
 168                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 169                         mService = null;
 170                 }
 171         };
 172
 173         void doBindService() {
 174                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 175                 mIsBound = true;
 176         }
 177
 178         void doUnbindService() {
 179                 if (mIsBound) {
 180                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 181                         if (mService != null) {
 182                                 try {
 183                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 184                                         msg.replyTo = mMessenger;
 185                                         mService.send(msg);
 186                                 } catch (RemoteException e) {
 187                                         // There is nothing special we need to do if the service has crashed.
 188                                 }
 189                         }
 190                         // Detach our existing connection.
 191                         unbindService(mConnection);
 192                         mIsBound = false;
 193                 }
 194         }
 195
 196         public void registerTab(AltosDroidTab mTab) {
 197                 mTabs.add(mTab);
 198         }
 199
 200         public void unregisterTab(AltosDroidTab mTab) {
 201                 mTabs.remove(mTab);
 202         }
 203
 204         public void units_changed(boolean imperial_units) {
 205                 for (AltosDroidTab mTab : mTabs)
 206                         mTab.units_changed(imperial_units);
 207         }
 208
 209         void update_title(TelemetryState telemetry_state) {
 210                 switch (telemetry_state.connect) {
 211                 case TelemetryState.CONNECT_CONNECTED:
 212                         if (telemetry_state.config != null) {
 213                                 String str = String.format("S/N %d %6.3f MHz", telemetry_state.config.serial,
 214                                                            telemetry_state.frequency);
 215                                 if (telemetry_state.telemetry_rate != AltosLib.ao_telemetry_rate_38400)
 216                                         str = str.concat(String.format(" %d bps",
 217                                                                        AltosLib.ao_telemetry_rate_values[telemetry_state.telemetry_rate]));
 218                                 setTitle(str);
 219                         } else {
 220                                 setTitle(R.string.title_connected_to);
 221                         }
 222                         break;
 223                 case TelemetryState.CONNECT_CONNECTING:
 224                         if (telemetry_state.address != null)
 225                                 setTitle(String.format("Connecting to %s...", telemetry_state.address.name));
 226                         else
 227                                 setTitle("Connecting to something...");
 228                         break;
 229                 case TelemetryState.CONNECT_DISCONNECTED:
 230                 case TelemetryState.CONNECT_NONE:
 231                         setTitle(R.string.title_not_connected);
 232                         break;
 233                 }
 234         }
 235
 236         void start_timer() {
 237                 if (timer == null) {
 238                         timer = new Timer();
 239                         timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 1000L);
 240                 }
 241         }
 242
 243         void stop_timer() {
 244                 if (timer != null) {
 245                         timer.cancel();
 246                         timer.purge();
 247                         timer = null;
 248                 }
 249         }
 250
 251         int     current_serial;
 252         long    switch_time;
 253
 254         void set_switch_time() {
 255                 switch_time = System.currentTimeMillis();
 256         }
 257
 258         boolean registered_units_listener;
 259
 260         void update_state(TelemetryState new_telemetry_state) {
 261
 262                 if (new_telemetry_state != null)
 263                         telemetry_state = new_telemetry_state;
 264
 265                 if (current_serial == 0)
 266                         current_serial = telemetry_state.latest_serial;
 267
 268                 if (!registered_units_listener) {
 269                         registered_units_listener = true;
 270                         AltosPreferences.register_units_listener(this);
 271                 }
 272
 273                 serials = telemetry_state.states.keySet().toArray(new Integer[0]);
 274
 275                 update_title(telemetry_state);
 276
 277                 AltosState      state = null;
 278                 boolean         aged = true;
 279
 280                 if (telemetry_state.states.containsKey(current_serial)) {
 281                         state = telemetry_state.states.get(current_serial);
 282                         int age = state_age(state);
 283                         if (age < 20)
 284                                 aged = false;
 285                         if (switch_time != 0 && (switch_time - state.received_time) > 0)
 286                                 aged = true;
 287                 }
 288
 289                 if (aged) {
 290                         AltosState      newest_state = null;
 291                         int             newest_age = 0;
 292
 293                         for (int serial : telemetry_state.states.keySet()) {
 294                                 AltosState      existing = telemetry_state.states.get(serial);
 295                                 int             existing_age = state_age(existing);
 296
 297                                 if (newest_state == null || existing_age < newest_age) {
 298                                         newest_state = existing;
 299                                         newest_age = existing_age;
 300                                 }
 301                         }
 302
 303                         if (newest_state != null)
 304                                 state = newest_state;
 305                 }
 306
 307                 update_ui(telemetry_state, state, telemetry_state.location);
 308
 309                 start_timer();
 310         }
 311
 312         boolean same_string(String a, String b) {
 313                 if (a == null) {
 314                         if (b == null)
 315                                 return true;
 316                         return false;
 317                 } else {
 318                         if (b == null)
 319                                 return false;
 320                         return a.equals(b);
 321                 }
 322         }
 323
 324
 325         private int blend_component(int a, int b, double r, int shift, int mask) {
 326                 return ((int) (((a >> shift) & mask) * r + ((b >> shift) & mask) * (1 - r)) & mask) << shift;
 327         }
 328         private int blend_color(int a, int b, double r) {
 329                 return (blend_component(a, b, r, 0, 0xff) |
 330                         blend_component(a, b, r, 8, 0xff) |
 331                         blend_component(a, b, r, 16, 0xff) |
 332                         blend_component(a, b, r, 24, 0xff));
 333         }
 334
 335         int state_age(AltosState state) {
 336                 return (int) ((System.currentTimeMillis() - state.received_time + 500) / 1000);
 337         }
 338
 339         void set_screen_on(int age) {
 340                 if (age < 60)
 341                         getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 342                 else
 343                         getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 344         }
 345
 346         void update_age() {
 347                 if (saved_state != null) {
 348                         int age = state_age(saved_state);
 349
 350                         double age_scale = age / 100.0;
 351
 352                         if (age_scale > 1.0)
 353                                 age_scale = 1.0;
 354
 355                         mAgeView.setTextColor(blend_color(mAgeOldColor, mAgeNewColor, age_scale));
 356
 357                         set_screen_on(age);
 358
 359                         String  text;
 360                         if (age < 60)
 361                                 text = String.format("%ds", age);
 362                         else if (age < 60 * 60)
 363                                 text = String.format("%dm", age / 60);
 364                         else if (age < 60 * 60 * 24)
 365                                 text = String.format("%dh", age / (60 * 60));
 366                         else
 367                                 text = String.format("%dd", age / (24 * 60 * 60));
 368                         mAgeView.setText(text);
 369                 }
 370         }
 371
 372         void update_ui(TelemetryState telem_state, AltosState state, Location location) {
 373
 374                 int prev_state = AltosLib.ao_flight_invalid;
 375
 376                 AltosGreatCircle from_receiver = null;
 377
 378                 if (saved_state != null)
 379                         prev_state = saved_state.state;
 380
 381                 if (state != null) {
 382                         set_screen_on(state_age(state));
 383
 384                         if (state.state == AltosLib.ao_flight_stateless) {
 385                                 boolean prev_locked = false;
 386                                 boolean locked = false;
 387
 388                                 if(state.gps != null)
 389                                         locked = state.gps.locked;
 390                                 if (saved_state != null && saved_state.gps != null)
 391                                         prev_locked = saved_state.gps.locked;
 392                                 if (prev_locked != locked) {
 393                                         String currentTab = mTabHost.getCurrentTabTag();
 394                                         if (locked) {
 395                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 396                                         } else {
 397                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("pad");
 398                                         }
 399                                 }
 400                         } else {
 401                                 if (prev_state != state.state) {
 402                                         String currentTab = mTabHost.getCurrentTabTag();
 403                                         switch (state.state) {
 404                                         case AltosLib.ao_flight_boost:
 405                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("ascent");
 406                                                 break;
 407                                         case AltosLib.ao_flight_drogue:
 408                                                 if (currentTab.equals("ascent")) mTabHost.setCurrentTabByTag("descent");
 409                                                 break;
 410                                         case AltosLib.ao_flight_landed:
 411                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("landed");
 412                                                 break;
 413                                         case AltosLib.ao_flight_stateless:
 414                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 415                                                 break;
 416                                         }
 417                                 }
 418                         }
 419
 420                         if (location != null && state.gps != null && state.gps.locked) {
 421                                 double altitude = 0;
 422                                 if (location.hasAltitude())
 423                                         altitude = location.getAltitude();
 424                                 from_receiver = new AltosGreatCircle(location.getLatitude(),
 425                                                                      location.getLongitude(),
 426                                                                      altitude,
 427                                                                      state.gps.lat,
 428                                                                      state.gps.lon,
 429                                                                      state.gps.alt);
 430                         }
 431
 432                         if (saved_state == null || !same_string(saved_state.callsign, state.callsign)) {
 433                                 mCallsignView.setText(state.callsign);
 434                         }
 435                         if (saved_state == null || state.serial != saved_state.serial) {
 436                                 mSerialView.setText(String.format("%d", state.serial));
 437                         }
 438                         if (saved_state == null || state.flight != saved_state.flight) {
 439                                 if (state.flight == AltosLib.MISSING)
 440                                         mFlightView.setText("");
 441                                 else
 442                                         mFlightView.setText(String.format("%d", state.flight));
 443                         }
 444                         if (saved_state == null || state.state != saved_state.state) {
 445                                 if (state.state == AltosLib.ao_flight_stateless) {
 446                                         mStateLayout.setVisibility(View.GONE);
 447                                 } else {
 448                                         mStateView.setText(state.state_name());
 449                                         mStateLayout.setVisibility(View.VISIBLE);
 450                                 }
 451                         }
 452                         if (saved_state == null || state.rssi != saved_state.rssi) {
 453                                 mRSSIView.setText(String.format("%d", state.rssi));
 454                         }
 455                 }
 456
 457                 for (AltosDroidTab mTab : mTabs)
 458                         mTab.update_ui(telem_state, state, from_receiver, location, mTab == mTabsAdapter.currentItem());
 459
 460                 if (state != null && mAltosVoice != null)
 461                         mAltosVoice.tell(state, from_receiver);
 462
 463                 saved_state = state;
 464         }
 465
 466         private void onTimerTick() {
 467                 try {
 468                         mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
 469                 } catch (RemoteException e) {
 470                 }
 471         }
 472
 473         static String pos(double p, String pos, String neg) {
 474                 String  h = pos;
 475                 if (p == AltosLib.MISSING)
 476                         return "";
 477                 if (p < 0) {
 478                         h = neg;
 479                         p = -p;
 480                 }
 481                 int deg = (int) Math.floor(p);
 482                 double min = (p - Math.floor(p)) * 60.0;
 483                 return String.format("%d°%9.4f\" %s", deg, min, h);
 484         }
 485
 486         static String number(String format, double value) {
 487                 if (value == AltosLib.MISSING)
 488                         return "";
 489                 return String.format(format, value);
 490         }
 491
 492         static String integer(String format, int value) {
 493                 if (value == AltosLib.MISSING)
 494                         return "";
 495                 return String.format(format, value);
 496         }
 497
 498         private View create_tab_view(String label) {
 499                 LayoutInflater inflater = (LayoutInflater) this.getLayoutInflater();
 500                 View tab_view = inflater.inflate(R.layout.tab_layout, null);
 501                 TextView text_view = (TextView) tab_view.findViewById (R.id.tabLabel);
 502                 text_view.setText(label);
 503                 return tab_view;
 504         }
 505
 506         public void set_map_source() {
 507         }
 508
 509         @Override
 510         public void onCreate(Bundle savedInstanceState) {
 511                 super.onCreate(savedInstanceState);
 512                 AltosDebug.init(this);
 513                 AltosDebug.debug("+++ ON CREATE +++");
 514
 515                 // Initialise preferences
 516                 AltosDroidPreferences.init(this);
 517
 518                 fm = getSupportFragmentManager();
 519
 520                 // Set up the window layout
 521                 setContentView(R.layout.altosdroid);
 522
 523                 // Create the Tabs and ViewPager
 524                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 525                 mTabHost.setup();
 526
 527                 mViewPager = (AltosViewPager)findViewById(R.id.pager);
 528                 mViewPager.setOffscreenPageLimit(4);
 529
 530                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 531
 532                 mTabsAdapter.addTab(mTabHost.newTabSpec("pad").setIndicator(create_tab_view("Pad")), TabPad.class, null);
 533                 mTabsAdapter.addTab(mTabHost.newTabSpec("ascent").setIndicator(create_tab_view("Ascent")), TabAscent.class, null);
 534                 mTabsAdapter.addTab(mTabHost.newTabSpec("descent").setIndicator(create_tab_view("Descent")), TabDescent.class, null);
 535                 mTabsAdapter.addTab(mTabHost.newTabSpec("landed").setIndicator(create_tab_view("Landed")), TabLanded.class, null);
 536                 mTabsAdapter.addTab(mTabHost.newTabSpec("map").setIndicator(create_tab_view("Map")), TabMap.class, null);
 537                 mTabsAdapter.addTab(mTabHost.newTabSpec("offmap").setIndicator(create_tab_view("OffMap")), TabMapOffline.class, null);
 538
 539                 // Display the Version
 540                 mVersion = (TextView) findViewById(R.id.version);
 541                 mVersion.setText("Version: " + BuildInfo.version +
 542                                  "  Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 543                                  "  (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 544
 545                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 546                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 547                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 548                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 549                 mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
 550                 mStateView     = (TextView) findViewById(R.id.state_value);
 551                 mAgeView       = (TextView) findViewById(R.id.age_value);
 552                 mAgeNewColor   = mAgeView.getTextColors().getDefaultColor();
 553                 mAgeOldColor   = getResources().getColor(R.color.old_color);
 554         }
 555
 556         private boolean ensureBluetooth() {
 557                 // Get local Bluetooth adapter
 558                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 559
 560                 // If the adapter is null, then Bluetooth is not supported
 561                 if (mBluetoothAdapter == null) {
 562                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 563                         return false;
 564                 }
 565
 566                 if (!mBluetoothAdapter.isEnabled()) {
 567                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 568                         startActivityForResult(enableIntent, AltosDroid.REQUEST_ENABLE_BT);
 569                 }
 570
 571                 return true;
 572         }
 573
 574         private boolean check_usb() {
 575                 UsbDevice       device = AltosUsb.find_device(this, AltosLib.product_basestation);
 576
 577                 if (device != null) {
 578                         Intent          i = new Intent(this, AltosDroid.class);
 579                         PendingIntent   pi = PendingIntent.getActivity(this, 0, new Intent("hello world", null, this, AltosDroid.class), 0);
 580
 581                         if (AltosUsb.request_permission(this, device, pi)) {
 582                                 connectUsb(device);
 583                         }
 584                         start_with_usb = true;
 585                         return true;
 586                 }
 587
 588                 start_with_usb = false;
 589
 590                 return false;
 591         }
 592
 593         private void noticeIntent(Intent intent) {
 594
 595                 /* Ok, this is pretty convenient.
 596                  *
 597                  * When a USB device is plugged in, and our 'hotplug'
 598                  * intent registration fires, we get an Intent with
 599                  * EXTRA_DEVICE set.
 600                  *
 601                  * When we start up and see a usb device and request
 602                  * permission to access it, that queues a
 603                  * PendingIntent, which has the EXTRA_DEVICE added in,
 604                  * along with the EXTRA_PERMISSION_GRANTED field as
 605                  * well.
 606                  *
 607                  * So, in both cases, we get the device name using the
 608                  * same call. We check to see if access was granted,
 609                  * in which case we ignore the device field and do our
 610                  * usual startup thing.
 611                  */
 612
 613                 UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
 614                 boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
 615
 616                 AltosDebug.debug("intent %s device %s granted %s", intent, device, granted);
 617
 618                 if (!granted)
 619                         device = null;
 620
 621                 if (device != null) {
 622                         AltosDebug.debug("intent has usb device " + device.toString());
 623                         connectUsb(device);
 624                 } else {
 625
 626                         /* 'granted' is only false if this intent came
 627                          * from the request_permission call and
 628                          * permission was denied. In which case, we
 629                          * don't want to loop forever...
 630                          */
 631                         if (granted) {
 632                                 AltosDebug.debug("check for a USB device at startup");
 633                                 if (check_usb())
 634                                         return;
 635                         }
 636                         AltosDebug.debug("Starting by looking for bluetooth devices");
 637                         if (ensureBluetooth())
 638                                 return;
 639                         finish();
 640                 }
 641         }
 642
 643         @Override
 644         public void onStart() {
 645                 super.onStart();
 646                 AltosDebug.debug("++ ON START ++");
 647
 648                 noticeIntent(getIntent());
 649
 650                 // Start Telemetry Service
 651                 String  action = start_with_usb ? ACTION_USB : ACTION_BLUETOOTH;
 652
 653                 startService(new Intent(action, null, AltosDroid.this, TelemetryService.class));
 654
 655                 doBindService();
 656
 657                 if (mAltosVoice == null)
 658                         mAltosVoice = new AltosVoice(this);
 659
 660         }
 661
 662         @Override
 663         public void onNewIntent(Intent intent) {
 664                 super.onNewIntent(intent);
 665                 AltosDebug.debug("onNewIntent");
 666                 noticeIntent(intent);
 667         }
 668
 669         @Override
 670         public void onResume() {
 671                 super.onResume();
 672                 AltosDebug.debug("+ ON RESUME +");
 673         }
 674
 675         @Override
 676         public void onPause() {
 677                 super.onPause();
 678                 AltosDebug.debug("- ON PAUSE -");
 679         }
 680
 681         @Override
 682         public void onStop() {
 683                 super.onStop();
 684                 AltosDebug.debug("-- ON STOP --");
 685
 686                 doUnbindService();
 687                 if (mAltosVoice != null) {
 688                         mAltosVoice.stop();
 689                         mAltosVoice = null;
 690                 }
 691         }
 692
 693         @Override
 694         public void onDestroy() {
 695                 super.onDestroy();
 696                 AltosDebug.debug("--- ON DESTROY ---");
 697
 698                 if (mAltosVoice != null) mAltosVoice.stop();
 699                 stop_timer();
 700         }
 701
 702         protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 703                 AltosDebug.debug("onActivityResult " + resultCode);
 704                 switch (requestCode) {
 705                 case REQUEST_CONNECT_DEVICE:
 706                         // When DeviceListActivity returns with a device to connect to
 707                         if (resultCode == Activity.RESULT_OK) {
 708                                 connectDevice(data);
 709                         }
 710                         break;
 711                 case REQUEST_ENABLE_BT:
 712                         // When the request to enable Bluetooth returns
 713                         if (resultCode == Activity.RESULT_OK) {
 714                                 // Bluetooth is now enabled, so set up a chat session
 715                                 //setupChat();
 716                         } else {
 717                                 // User did not enable Bluetooth or an error occured
 718                                 AltosDebug.error("BT not enabled");
 719                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 720                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 721                                 finish();
 722                         }
 723                         break;
 724                 case REQUEST_MAP_TYPE:
 725                         if (resultCode == Activity.RESULT_OK)
 726                                 set_map_type(data);
 727                         break;
 728                 }
 729         }
 730
 731         private void connectUsb(UsbDevice device) {
 732                 if (mService == null)
 733                         pending_usb_device = device;
 734                 else {
 735                         // Attempt to connect to the device
 736                         try {
 737                                 mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, device));
 738                                 AltosDebug.debug("Sent OPEN_USB message");
 739                         } catch (RemoteException e) {
 740                                 AltosDebug.debug("connect device message failed");
 741                         }
 742                 }
 743         }
 744
 745         private void connectDevice(Intent data) {
 746                 // Attempt to connect to the device
 747                 try {
 748                         String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 749                         String name = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_NAME);
 750
 751                         AltosDebug.debug("Connecting to " + address + " " + name);
 752                         DeviceAddress   a = new DeviceAddress(address, name);
 753                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, a));
 754                         AltosDebug.debug("Sent connecting message");
 755                 } catch (RemoteException e) {
 756                         AltosDebug.debug("connect device message failed");
 757                 }
 758         }
 759
 760         private void disconnectDevice() {
 761                 try {
 762                         mService.send(Message.obtain(null, TelemetryService.MSG_DISCONNECT, null));
 763                 } catch (RemoteException e) {
 764                 }
 765         }
 766
 767         private void set_map_type(Intent data) {
 768                 int type = data.getIntExtra(MapTypeActivity.EXTRA_MAP_TYPE, -1);
 769
 770                 AltosDebug.debug("intent set_map_type %d\n", type);
 771                 if (type != -1) {
 772                         map_type = type;
 773                         for (AltosDroidTab mTab : mTabs)
 774                                 mTab.set_map_type(map_type);
 775                 }
 776         }
 777
 778         @Override
 779         public boolean onCreateOptionsMenu(Menu menu) {
 780                 MenuInflater inflater = getMenuInflater();
 781                 inflater.inflate(R.menu.option_menu, menu);
 782                 return true;
 783         }
 784
 785         void setFrequency(double freq) {
 786                 try {
 787                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 788                         set_switch_time();
 789                 } catch (RemoteException e) {
 790                 }
 791         }
 792
 793         void setFrequency(String freq) {
 794                 try {
 795                         setFrequency (AltosParse.parse_double_net(freq.substring(11, 17)));
 796                 } catch (ParseException e) {
 797                 }
 798         }
 799
 800         void setBaud(int baud) {
 801                 try {
 802                         mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
 803                         set_switch_time();
 804                 } catch (RemoteException e) {
 805                 }
 806         }
 807
 808         void setBaud(String baud) {
 809                 try {
 810                         int     value = Integer.parseInt(baud);
 811                         int     rate = AltosLib.ao_telemetry_rate_38400;
 812                         switch (value) {
 813                         case 2400:
 814                                 rate = AltosLib.ao_telemetry_rate_2400;
 815                                 break;
 816                         case 9600:
 817                                 rate = AltosLib.ao_telemetry_rate_9600;
 818                                 break;
 819                         case 38400:
 820                                 rate = AltosLib.ao_telemetry_rate_38400;
 821                                 break;
 822                         }
 823                         setBaud(rate);
 824                 } catch (NumberFormatException e) {
 825                 }
 826         }
 827
 828         void select_tracker(int serial) {
 829                 int i;
 830                 for (i = 0; i < serials.length; i++)
 831                         if (serials[i] == serial)
 832                                 break;
 833                 if (i == serials.length)
 834                         return;
 835
 836                 current_serial = serial;
 837                 update_state(null);
 838         }
 839
 840         void delete_track(int serial) {
 841                 try {
 842                         mService.send(Message.obtain(null, TelemetryService.MSG_DELETE_SERIAL, (Integer) serial));
 843                 } catch (Exception ex) {
 844                 }
 845         }
 846
 847         @Override
 848         public boolean onOptionsItemSelected(MenuItem item) {
 849                 Intent serverIntent = null;
 850                 switch (item.getItemId()) {
 851                 case R.id.connect_scan:
 852                         if (ensureBluetooth()) {
 853                                 // Launch the DeviceListActivity to see devices and do scan
 854                                 serverIntent = new Intent(this, DeviceListActivity.class);
 855                                 startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 856                         }
 857                         return true;
 858                 case R.id.disconnect:
 859                         /* Disconnect the device
 860                          */
 861                         disconnectDevice();
 862                         return true;
 863                 case R.id.quit:
 864                         AltosDebug.debug("R.id.quit");
 865                         disconnectDevice();
 866                         finish();
 867                         return true;
 868                 case R.id.select_freq:
 869                         // Set the TBT radio frequency
 870
 871                         final String[] frequencies = {
 872                                 "Channel 0 (434.550MHz)",
 873                                 "Channel 1 (434.650MHz)",
 874                                 "Channel 2 (434.750MHz)",
 875                                 "Channel 3 (434.850MHz)",
 876                                 "Channel 4 (434.950MHz)",
 877                                 "Channel 5 (435.050MHz)",
 878                                 "Channel 6 (435.150MHz)",
 879                                 "Channel 7 (435.250MHz)",
 880                                 "Channel 8 (435.350MHz)",
 881                                 "Channel 9 (435.450MHz)"
 882                         };
 883
 884                         AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
 885                         builder_freq.setTitle("Pick a frequency");
 886                         builder_freq.setItems(frequencies,
 887                                          new DialogInterface.OnClickListener() {
 888                                                  public void onClick(DialogInterface dialog, int item) {
 889                                                          setFrequency(frequencies[item]);
 890                                                  }
 891                                          });
 892                         AlertDialog alert_freq = builder_freq.create();
 893                         alert_freq.show();
 894                         return true;
 895                 case R.id.select_rate:
 896                         // Set the TBT baud rate
 897
 898                         final String[] rates = {
 899                                 "38400",
 900                                 "9600",
 901                                 "2400",
 902                         };
 903
 904                         AlertDialog.Builder builder_rate = new AlertDialog.Builder(this);
 905                         builder_rate.setTitle("Pick a baud rate");
 906                         builder_rate.setItems(rates,
 907                                          new DialogInterface.OnClickListener() {
 908                                                  public void onClick(DialogInterface dialog, int item) {
 909                                                          setBaud(rates[item]);
 910                                                  }
 911                                          });
 912                         AlertDialog alert_rate = builder_rate.create();
 913                         alert_rate.show();
 914                         return true;
 915                 case R.id.change_units:
 916                         boolean imperial = AltosPreferences.imperial_units();
 917                         AltosPreferences.set_imperial_units(!imperial);
 918                         return true;
 919                 case R.id.preload_maps:
 920                         serverIntent = new Intent(this, PreloadMapActivity.class);
 921                         startActivityForResult(serverIntent, REQUEST_PRELOAD_MAPS);
 922                         return true;
 923                 case R.id.map_type:
 924                         serverIntent = new Intent(this, MapTypeActivity.class);
 925                         startActivityForResult(serverIntent, REQUEST_MAP_TYPE);
 926                         return true;
 927                 case R.id.map_source:
 928                         int source = AltosDroidPreferences.map_source();
 929                         int new_source = source == AltosDroidPreferences.MAP_SOURCE_ONLINE ? AltosDroidPreferences.MAP_SOURCE_OFFLINE : AltosDroidPreferences.MAP_SOURCE_ONLINE;
 930                         AltosDroidPreferences.set_map_source(new_source);
 931                         set_map_source();
 932                         return true;
 933                 case R.id.select_tracker:
 934                         if (serials != null) {
 935                                 String[] trackers = new String[serials.length];
 936                                 for (int i = 0; i < serials.length; i++)
 937                                         trackers[i] = String.format("%d", serials[i]);
 938                                 AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
 939                                 builder_serial.setTitle("Select a tracker");
 940                                 builder_serial.setItems(trackers,
 941                                                         new DialogInterface.OnClickListener() {
 942                                                                 public void onClick(DialogInterface dialog, int item) {
 943                                                                         select_tracker(serials[item]);
 944                                                                 }
 945                                                         });
 946                                 AlertDialog alert_serial = builder_serial.create();
 947                                 alert_serial.show();
 948
 949                         }
 950                         return true;
 951                 case R.id.delete_track:
 952                         if (serials != null) {
 953                                 String[] trackers = new String[serials.length];
 954                                 for (int i = 0; i < serials.length; i++)
 955                                         trackers[i] = String.format("%d", serials[i]);
 956                                 AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
 957                                 builder_serial.setTitle("Delete a track");
 958                                 builder_serial.setItems(trackers,
 959                                                         new DialogInterface.OnClickListener() {
 960                                                                 public void onClick(DialogInterface dialog, int item) {
 961                                                                         delete_track(serials[item]);
 962                                                                 }
 963                                                         });
 964                                 AlertDialog alert_serial = builder_serial.create();
 965                                 alert_serial.show();
 966
 967                         }
 968                         return true;
 969                 }
 970                 return false;
 971         }
 972 }