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   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; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 package org.altusmetrum.AltosDroid;
  20
  21 import java.lang.ref.WeakReference;
  22 import java.util.*;
  23
  24 import android.app.Activity;
  25 import android.app.PendingIntent;
  26 import android.bluetooth.BluetoothAdapter;
  27 import android.content.Intent;
  28 import android.content.Context;
  29 import android.content.ComponentName;
  30 import android.content.ServiceConnection;
  31 import android.content.DialogInterface;
  32 import android.os.IBinder;
  33 import android.os.Bundle;
  34 import android.os.Handler;
  35 import android.os.Message;
  36 import android.os.Messenger;
  37 import android.os.RemoteException;
  38 import android.support.v4.app.FragmentActivity;
  39 import android.support.v4.app.FragmentManager;
  40 import android.view.*;
  41 import android.widget.*;
  42 import android.app.AlertDialog;
  43 import android.location.Location;
  44 import android.location.LocationManager;
  45 import android.location.LocationListener;
  46 import android.hardware.usb.*;
  47
  48 import org.altusmetrum.altoslib_13.*;
  49
  50 class SavedState {
  51         long    received_time;
  52         int     state;
  53         boolean locked;
  54         String  callsign;
  55         int     serial;
  56         int     flight;
  57         int     rssi;
  58
  59         SavedState(AltosState state) {
  60                 received_time = state.received_time;
  61                 this.state = state.state();
  62                 if (state.gps != null)
  63                         locked = state.gps.locked;
  64                 else
  65                         locked = false;
  66                 callsign = state.cal_data().callsign;
  67                 serial = state.cal_data().serial;
  68                 flight = state.cal_data().flight;
  69                 rssi = state.rssi;
  70         }
  71 }
  72
  73 class Tracker implements CharSequence, Comparable {
  74         int     serial;
  75         String  call;
  76         double  frequency;
  77
  78         String  display;
  79
  80         public Tracker(int serial, String call, double frequency) {
  81                 if (call == null)
  82                         call = "none";
  83
  84                 this.serial = serial;
  85                 this.call = call;
  86                 this.frequency = frequency;
  87                 if (frequency == 0.0)
  88                         display = "Auto";
  89                 else if (frequency == AltosLib.MISSING) {
  90                         display = String.format("%-8.8s  %6d", call, serial);
  91                 } else {
  92                         display = String.format("%-8.8s %7.3f %6d", call, frequency, serial);
  93                 }
  94         }
  95
  96         public Tracker(AltosState s) {
  97                 this(s == null ? 0 : s.cal_data().serial,
  98                      s == null ? null : s.cal_data().callsign,
  99                      s == null ? 0.0 : s.frequency);
 100         }
 101
 102         /* CharSequence */
 103         public char charAt(int index) {
 104                 return display.charAt(index);
 105         }
 106
 107         public int length() {
 108                 return display.length();
 109         }
 110
 111         public CharSequence subSequence(int start, int end) throws IndexOutOfBoundsException {
 112                 return display.subSequence(start, end);
 113         }
 114
 115         public String toString() {
 116                 return display.toString();
 117         }
 118
 119         /* Comparable */
 120         public int compareTo (Object other) {
 121                 Tracker o = (Tracker) other;
 122                 if (frequency == 0.0) {
 123                         if (o.frequency == 0.0)
 124                                 return 0;
 125                         return -1;
 126                 }
 127                 if (o.frequency == 0.0)
 128                         return 1;
 129
 130                 int     a = serial - o.serial;
 131                 int     b = call.compareTo(o.call);
 132                 int     c = (int) Math.signum(frequency - o.frequency);
 133
 134                 if (b != 0)
 135                         return b;
 136                 if (c != 0)
 137                         return c;
 138                 return a;
 139         }
 140 }
 141
 142 public class AltosDroid extends FragmentActivity implements AltosUnitsListener, LocationListener {
 143
 144         // Actions sent to the telemetry server at startup time
 145
 146         public static final String ACTION_BLUETOOTH = "org.altusmetrum.AltosDroid.BLUETOOTH";
 147         public static final String ACTION_USB = "org.altusmetrum.AltosDroid.USB";
 148
 149         // Message types received by our Handler
 150
 151         public static final int MSG_STATE           = 1;
 152         public static final int MSG_UPDATE_AGE      = 2;
 153         public static final int MSG_IDLE_MODE       = 3;
 154         public static final int MSG_IGNITER_STATUS  = 4;
 155
 156         // Intent request codes
 157         public static final int REQUEST_CONNECT_DEVICE = 1;
 158         public static final int REQUEST_ENABLE_BT      = 2;
 159         public static final int REQUEST_PRELOAD_MAPS   = 3;
 160         public static final int REQUEST_IDLE_MODE      = 5;
 161         public static final int REQUEST_IGNITERS       = 6;
 162         public static final int REQUEST_SETUP          = 7;
 163
 164         public static final String EXTRA_IDLE_MODE = "idle_mode";
 165         public static final String EXTRA_IDLE_RESULT = "idle_result";
 166         public static final String EXTRA_TELEMETRY_SERVICE = "telemetry_service";
 167
 168         // Setup result bits
 169         public static final int SETUP_BAUD = 1;
 170         public static final int SETUP_UNITS = 2;
 171         public static final int SETUP_MAP_SOURCE = 4;
 172         public static final int SETUP_MAP_TYPE = 8;
 173
 174         public static FragmentManager   fm;
 175
 176         private BluetoothAdapter mBluetoothAdapter = null;
 177
 178         // Flight state values
 179         private TextView mCallsignView;
 180         private TextView mRSSIView;
 181         private TextView mSerialView;
 182         private TextView mFlightView;
 183         private RelativeLayout mStateLayout;
 184         private TextView mStateView;
 185         private TextView mAgeView;
 186         private boolean  mAgeViewOld;
 187         private int mAgeNewColor;
 188         private int mAgeOldColor;
 189
 190         public static final String      tab_pad_name = "pad";
 191         public static final String      tab_flight_name = "flight";
 192         public static final String      tab_recover_name = "recover";
 193         public static final String      tab_map_name = "map";
 194
 195         // field to display the version at the bottom of the screen
 196         private TextView mVersion;
 197
 198         private boolean idle_mode = false;
 199
 200         public Location location = null;
 201
 202         private AltosState      state;
 203         private SavedState      saved_state;
 204
 205         // Tabs
 206         TabHost         mTabHost;
 207         AltosViewPager  mViewPager;
 208         TabsAdapter     mTabsAdapter;
 209         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
 210         int             tabHeight;
 211
 212         // Timer and Saved flight state for Age calculation
 213         private Timer timer;
 214
 215         TelemetryState  telemetry_state;
 216         Tracker[]       trackers;
 217
 218
 219         UsbDevice       pending_usb_device;
 220         boolean         start_with_usb;
 221
 222         // Service
 223         private boolean mIsBound   = false;
 224         private Messenger mService = null;
 225         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
 226
 227         // Text to Speech
 228         private AltosVoice mAltosVoice = null;
 229
 230         // The Handler that gets information back from the Telemetry Service
 231         static class IncomingHandler extends Handler {
 232                 private final WeakReference<AltosDroid> mAltosDroid;
 233                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 234
 235                 @Override
 236                 public void handleMessage(Message msg) {
 237                         AltosDroid ad = mAltosDroid.get();
 238
 239                         switch (msg.what) {
 240                         case MSG_STATE:
 241                                 if (msg.obj == null) {
 242                                         AltosDebug.debug("telemetry_state null!");
 243                                         return;
 244                                 }
 245                                 ad.update_state((TelemetryState) msg.obj);
 246                                 break;
 247                         case MSG_UPDATE_AGE:
 248                                 ad.update_age();
 249                                 break;
 250                         case MSG_IDLE_MODE:
 251                                 ad.idle_mode = (Boolean) msg.obj;
 252                                 ad.update_state(null);
 253                                 break;
 254                         }
 255                 }
 256         };
 257
 258
 259         private ServiceConnection mConnection = new ServiceConnection() {
 260                 public void onServiceConnected(ComponentName className, IBinder service) {
 261                         mService = new Messenger(service);
 262                         try {
 263                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 264                                 msg.replyTo = mMessenger;
 265                                 mService.send(msg);
 266                         } catch (RemoteException e) {
 267                                 // In this case the service has crashed before we could even do anything with it
 268                         }
 269                         if (pending_usb_device != null) {
 270                                 try {
 271                                         mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, pending_usb_device));
 272                                         pending_usb_device = null;
 273                                 } catch (RemoteException e) {
 274                                 }
 275                         }
 276                 }
 277
 278                 public void onServiceDisconnected(ComponentName className) {
 279                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 280                         mService = null;
 281                 }
 282         };
 283
 284         void doBindService() {
 285                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 286                 mIsBound = true;
 287         }
 288
 289         void doUnbindService() {
 290                 if (mIsBound) {
 291                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 292                         if (mService != null) {
 293                                 try {
 294                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 295                                         msg.replyTo = mMessenger;
 296                                         mService.send(msg);
 297                                 } catch (RemoteException e) {
 298                                         // There is nothing special we need to do if the service has crashed.
 299                                 }
 300                         }
 301                         // Detach our existing connection.
 302                         unbindService(mConnection);
 303                         mIsBound = false;
 304                 }
 305         }
 306
 307         public void registerTab(AltosDroidTab mTab) {
 308                 mTabs.add(mTab);
 309         }
 310
 311         public void unregisterTab(AltosDroidTab mTab) {
 312                 mTabs.remove(mTab);
 313         }
 314
 315         public void units_changed(boolean imperial_units) {
 316                 for (AltosDroidTab mTab : mTabs)
 317                         mTab.units_changed(imperial_units);
 318         }
 319
 320         void update_title(TelemetryState telemetry_state) {
 321                 switch (telemetry_state.connect) {
 322                 case TelemetryState.CONNECT_CONNECTED:
 323                         if (telemetry_state.config != null) {
 324                                 String str = String.format("S/N %d %6.3f MHz%s", telemetry_state.config.serial,
 325                                                            telemetry_state.frequency, idle_mode ? " (idle)" : "");
 326                                 if (telemetry_state.telemetry_rate != AltosLib.ao_telemetry_rate_38400)
 327                                         str = str.concat(String.format(" %d bps",
 328                                                                        AltosLib.ao_telemetry_rate_values[telemetry_state.telemetry_rate]));
 329                                 setTitle(str);
 330                         } else {
 331                                 setTitle(R.string.title_connected_to);
 332                         }
 333                         break;
 334                 case TelemetryState.CONNECT_CONNECTING:
 335                         if (telemetry_state.address != null)
 336                                 setTitle(String.format("Connecting to %s...", telemetry_state.address.name));
 337                         else
 338                                 setTitle("Connecting to something...");
 339                         break;
 340                 case TelemetryState.CONNECT_DISCONNECTED:
 341                 case TelemetryState.CONNECT_NONE:
 342                         setTitle(R.string.title_not_connected);
 343                         break;
 344                 }
 345         }
 346
 347         void start_timer() {
 348                 if (timer == null) {
 349                         timer = new Timer();
 350                         timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 1000L);
 351                 }
 352         }
 353
 354         void stop_timer() {
 355                 if (timer != null) {
 356                         timer.cancel();
 357                         timer.purge();
 358                         timer = null;
 359                 }
 360         }
 361
 362         int     selected_serial = 0;
 363         int     current_serial;
 364         long    switch_time;
 365
 366         void set_switch_time() {
 367                 switch_time = System.currentTimeMillis();
 368                 selected_serial = 0;
 369         }
 370
 371         boolean registered_units_listener;
 372
 373         void update_state(TelemetryState new_telemetry_state) {
 374
 375                 if (new_telemetry_state != null)
 376                         telemetry_state = new_telemetry_state;
 377
 378                 if (selected_serial != 0)
 379                         current_serial = selected_serial;
 380
 381                 if (current_serial == 0)
 382                         current_serial = telemetry_state.latest_serial;
 383
 384                 if (!registered_units_listener) {
 385                         registered_units_listener = true;
 386                         AltosPreferences.register_units_listener(this);
 387                 }
 388
 389                 int     num_trackers = 0;
 390                 for (AltosState s : telemetry_state.states.values()) {
 391                         num_trackers++;
 392                 }
 393
 394                 trackers = new Tracker[num_trackers + 1];
 395
 396                 int n = 0;
 397                 trackers[n++] = new Tracker(0, "auto", 0.0);
 398
 399                 for (AltosState s : telemetry_state.states.values())
 400                         trackers[n++] = new Tracker(s);
 401
 402                 Arrays.sort(trackers);
 403
 404                 update_title(telemetry_state);
 405
 406                 AltosState      state = null;
 407                 boolean         aged = true;
 408
 409                 if (telemetry_state.states.containsKey(current_serial)) {
 410                         state = telemetry_state.states.get(current_serial);
 411                         int age = state_age(state.received_time);
 412                         if (age < 20)
 413                                 aged = false;
 414                         if (current_serial == selected_serial)
 415                                 aged = false;
 416                         else if (switch_time != 0 && (switch_time - state.received_time) > 0)
 417                                 aged = true;
 418                 }
 419
 420                 if (aged) {
 421                         AltosState      newest_state = null;
 422                         int             newest_age = 0;
 423
 424                         for (int serial : telemetry_state.states.keySet()) {
 425                                 AltosState      existing = telemetry_state.states.get(serial);
 426                                 int             existing_age = state_age(existing.received_time);
 427
 428                                 if (newest_state == null || existing_age < newest_age) {
 429                                         newest_state = existing;
 430                                         newest_age = existing_age;
 431                                 }
 432                         }
 433
 434                         if (newest_state != null)
 435                                 state = newest_state;
 436                 }
 437
 438                 update_ui(telemetry_state, state, telemetry_state.quiet);
 439
 440                 start_timer();
 441         }
 442
 443         boolean same_string(String a, String b) {
 444                 if (a == null) {
 445                         if (b == null)
 446                                 return true;
 447                         return false;
 448                 } else {
 449                         if (b == null)
 450                                 return false;
 451                         return a.equals(b);
 452                 }
 453         }
 454
 455
 456         private int blend_component(int a, int b, double r, int shift, int mask) {
 457                 return ((int) (((a >> shift) & mask) * r + ((b >> shift) & mask) * (1 - r)) & mask) << shift;
 458         }
 459         private int blend_color(int a, int b, double r) {
 460                 return (blend_component(a, b, r, 0, 0xff) |
 461                         blend_component(a, b, r, 8, 0xff) |
 462                         blend_component(a, b, r, 16, 0xff) |
 463                         blend_component(a, b, r, 24, 0xff));
 464         }
 465
 466         int state_age(long received_time) {
 467                 return (int) ((System.currentTimeMillis() - received_time + 500) / 1000);
 468         }
 469
 470         void set_screen_on(int age) {
 471                 if (age < 60)
 472                         getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 473                 else
 474                         getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 475         }
 476
 477         void update_age() {
 478                 if (saved_state != null) {
 479                         int age = state_age(saved_state.received_time);
 480
 481                         double age_scale = age / 100.0;
 482
 483                         if (age_scale > 1.0)
 484                                 age_scale = 1.0;
 485
 486                         mAgeView.setTextColor(blend_color(mAgeOldColor, mAgeNewColor, age_scale));
 487
 488                         set_screen_on(age);
 489
 490                         String  text;
 491                         if (age < 60)
 492                                 text = String.format("%ds", age);
 493                         else if (age < 60 * 60)
 494                                 text = String.format("%dm", age / 60);
 495                         else if (age < 60 * 60 * 24)
 496                                 text = String.format("%dh", age / (60 * 60));
 497                         else
 498                                 text = String.format("%dd", age / (24 * 60 * 60));
 499                         mAgeView.setText(text);
 500                 }
 501         }
 502
 503         void update_ui(TelemetryState telem_state, AltosState state, boolean quiet) {
 504
 505                 this.state = state;
 506
 507                 int prev_state = AltosLib.ao_flight_invalid;
 508
 509                 AltosGreatCircle from_receiver = null;
 510
 511                 if (saved_state != null)
 512                         prev_state = saved_state.state;
 513
 514                 if (state != null) {
 515                         set_screen_on(state_age(state.received_time));
 516
 517                         if (state.state() == AltosLib.ao_flight_stateless) {
 518                                 boolean prev_locked = false;
 519                                 boolean locked = false;
 520
 521                                 if(state.gps != null)
 522                                         locked = state.gps.locked;
 523                                 if (saved_state != null)
 524                                         prev_locked = saved_state.locked;
 525                                 if (prev_locked != locked) {
 526                                         String currentTab = mTabHost.getCurrentTabTag();
 527                                         if (locked) {
 528                                                 if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
 529                                         } else {
 530                                                 if (currentTab.equals(tab_flight_name)) mTabHost.setCurrentTabByTag(tab_pad_name);
 531                                         }
 532                                 }
 533                         } else {
 534                                 if (prev_state != state.state()) {
 535                                         String currentTab = mTabHost.getCurrentTabTag();
 536                                         switch (state.state()) {
 537                                         case AltosLib.ao_flight_boost:
 538                                                 if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
 539                                                 break;
 540                                         case AltosLib.ao_flight_landed:
 541                                                 if (currentTab.equals(tab_flight_name)) mTabHost.setCurrentTabByTag(tab_recover_name);
 542                                                 break;
 543                                         case AltosLib.ao_flight_stateless:
 544                                                 if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
 545                                                 break;
 546                                         }
 547                                 }
 548                         }
 549
 550                         if (location != null && state.gps != null && state.gps.locked) {
 551                                 double altitude = 0;
 552                                 if (location.hasAltitude())
 553                                         altitude = location.getAltitude();
 554                                 from_receiver = new AltosGreatCircle(location.getLatitude(),
 555                                                                      location.getLongitude(),
 556                                                                      altitude,
 557                                                                      state.gps.lat,
 558                                                                      state.gps.lon,
 559                                                                      state.gps.alt);
 560                         }
 561
 562                         if (saved_state == null || !same_string(saved_state.callsign, state.cal_data().callsign)) {
 563                                 mCallsignView.setText(state.cal_data().callsign);
 564                         }
 565                         if (saved_state == null || state.cal_data().serial != saved_state.serial) {
 566                                 if (state.cal_data().serial == AltosLib.MISSING)
 567                                         mSerialView.setText("");
 568                                 else
 569                                         mSerialView.setText(String.format("%d", state.cal_data().serial));
 570                         }
 571                         if (saved_state == null || state.cal_data().flight != saved_state.flight) {
 572                                 if (state.cal_data().flight == AltosLib.MISSING)
 573                                         mFlightView.setText("");
 574                                 else
 575                                         mFlightView.setText(String.format("%d", state.cal_data().flight));
 576                         }
 577                         if (saved_state == null || state.state() != saved_state.state) {
 578                                 if (state.state() == AltosLib.ao_flight_stateless) {
 579                                         mStateLayout.setVisibility(View.GONE);
 580                                 } else {
 581                                         mStateView.setText(state.state_name());
 582                                         mStateLayout.setVisibility(View.VISIBLE);
 583                                 }
 584                         }
 585                         if (saved_state == null || state.rssi != saved_state.rssi) {
 586                                 if (state.rssi == AltosLib.MISSING)
 587                                         mRSSIView.setText("");
 588                                 else
 589                                         mRSSIView.setText(String.format("%d", state.rssi));
 590                         }
 591                         saved_state = new SavedState(state);
 592                 }
 593
 594                 for (AltosDroidTab mTab : mTabs)
 595                         mTab.update_ui(telem_state, state, from_receiver, location, mTab == mTabsAdapter.currentItem());
 596
 597                 AltosDebug.debug("quiet %b\n", quiet);
 598                 if (mAltosVoice != null)
 599                         mAltosVoice.tell(telem_state, state, from_receiver, location, (AltosDroidTab) mTabsAdapter.currentItem(), quiet);
 600
 601         }
 602
 603         private void onTimerTick() {
 604                 try {
 605                         mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
 606                 } catch (RemoteException e) {
 607                 }
 608         }
 609
 610         static String pos(double p, String pos, String neg) {
 611                 String  h = pos;
 612                 if (p == AltosLib.MISSING)
 613                         return "";
 614                 if (p < 0) {
 615                         h = neg;
 616                         p = -p;
 617                 }
 618                 int deg = (int) Math.floor(p);
 619                 double min = (p - Math.floor(p)) * 60.0;
 620                 return String.format("%d°%9.4f\" %s", deg, min, h);
 621         }
 622
 623         static String number(String format, double value) {
 624                 if (value == AltosLib.MISSING)
 625                         return "";
 626                 return String.format(format, value);
 627         }
 628
 629         static String integer(String format, int value) {
 630                 if (value == AltosLib.MISSING)
 631                         return "";
 632                 return String.format(format, value);
 633         }
 634
 635         private View create_tab_view(String label) {
 636                 LayoutInflater inflater = (LayoutInflater) this.getLayoutInflater();
 637                 View tab_view = inflater.inflate(R.layout.tab_layout, null);
 638                 TextView text_view = (TextView) tab_view.findViewById (R.id.tabLabel);
 639                 text_view.setText(label);
 640                 return tab_view;
 641         }
 642
 643         @Override
 644         public void onCreate(Bundle savedInstanceState) {
 645                 super.onCreate(savedInstanceState);
 646                 AltosDebug.init(this);
 647                 AltosDebug.debug("+++ ON CREATE +++");
 648
 649                 // Initialise preferences
 650                 AltosDroidPreferences.init(this);
 651
 652                 fm = getSupportFragmentManager();
 653
 654                 // Set up the window layout
 655                 setContentView(R.layout.altosdroid);
 656
 657                 // Create the Tabs and ViewPager
 658                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 659                 mTabHost.setup();
 660
 661                 mViewPager = (AltosViewPager)findViewById(R.id.pager);
 662                 mViewPager.setOffscreenPageLimit(4);
 663
 664                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 665
 666                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_pad_name).setIndicator(create_tab_view("Pad")), TabPad.class, null);
 667                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_flight_name).setIndicator(create_tab_view("Flight")), TabFlight.class, null);
 668                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_recover_name).setIndicator(create_tab_view("Recover")), TabRecover.class, null);
 669                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_map_name).setIndicator(create_tab_view("Map")), TabMap.class, null);
 670
 671                 // Display the Version
 672                 mVersion = (TextView) findViewById(R.id.version);
 673                 mVersion.setText("Version: " + BuildInfo.version +
 674                                  " Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 675                                  " (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 676
 677                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 678                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 679                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 680                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 681                 mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
 682                 mStateView     = (TextView) findViewById(R.id.state_value);
 683                 mAgeView       = (TextView) findViewById(R.id.age_value);
 684                 mAgeNewColor   = mAgeView.getTextColors().getDefaultColor();
 685                 mAgeOldColor   = getResources().getColor(R.color.old_color);
 686         }
 687
 688         private void ensureBluetooth() {
 689                 // Get local Bluetooth adapter
 690                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 691
 692                 /* if there is a BT adapter and it isn't turned on, then turn it on */
 693                 if (mBluetoothAdapter != null && !mBluetoothAdapter.isEnabled()) {
 694                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 695                         startActivityForResult(enableIntent, AltosDroid.REQUEST_ENABLE_BT);
 696                 }
 697         }
 698
 699         private boolean check_usb() {
 700                 UsbDevice       device = AltosUsb.find_device(this, AltosLib.product_basestation);
 701
 702                 if (device != null) {
 703                         Intent          i = new Intent(this, AltosDroid.class);
 704                         PendingIntent   pi = PendingIntent.getActivity(this, 0, new Intent("hello world", null, this, AltosDroid.class), 0);
 705
 706                         if (AltosUsb.request_permission(this, device, pi)) {
 707                                 connectUsb(device);
 708                         }
 709                         start_with_usb = true;
 710                         return true;
 711                 }
 712
 713                 start_with_usb = false;
 714
 715                 return false;
 716         }
 717
 718         private void noticeIntent(Intent intent) {
 719
 720                 /* Ok, this is pretty convenient.
 721                  *
 722                  * When a USB device is plugged in, and our 'hotplug'
 723                  * intent registration fires, we get an Intent with
 724                  * EXTRA_DEVICE set.
 725                  *
 726                  * When we start up and see a usb device and request
 727                  * permission to access it, that queues a
 728                  * PendingIntent, which has the EXTRA_DEVICE added in,
 729                  * along with the EXTRA_PERMISSION_GRANTED field as
 730                  * well.
 731                  *
 732                  * So, in both cases, we get the device name using the
 733                  * same call. We check to see if access was granted,
 734                  * in which case we ignore the device field and do our
 735                  * usual startup thing.
 736                  */
 737
 738                 UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
 739                 boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
 740
 741                 AltosDebug.debug("intent %s device %s granted %s", intent, device, granted);
 742
 743                 if (!granted)
 744                         device = null;
 745
 746                 if (device != null) {
 747                         AltosDebug.debug("intent has usb device " + device.toString());
 748                         connectUsb(device);
 749                 } else {
 750
 751                         /* 'granted' is only false if this intent came
 752                          * from the request_permission call and
 753                          * permission was denied. In which case, we
 754                          * don't want to loop forever...
 755                          */
 756                         if (granted) {
 757                                 AltosDebug.debug("check for a USB device at startup");
 758                                 if (check_usb())
 759                                         return;
 760                         }
 761                         AltosDebug.debug("Starting by looking for bluetooth devices");
 762                         ensureBluetooth();
 763                 }
 764         }
 765
 766         @Override
 767         public void onStart() {
 768                 super.onStart();
 769                 AltosDebug.debug("++ ON START ++");
 770
 771                 set_switch_time();
 772
 773                 noticeIntent(getIntent());
 774
 775                 // Start Telemetry Service
 776                 String  action = start_with_usb ? ACTION_USB : ACTION_BLUETOOTH;
 777
 778                 startService(new Intent(action, null, AltosDroid.this, TelemetryService.class));
 779
 780                 doBindService();
 781
 782                 if (mAltosVoice == null)
 783                         mAltosVoice = new AltosVoice(this);
 784
 785         }
 786
 787         @Override
 788         public void onNewIntent(Intent intent) {
 789                 super.onNewIntent(intent);
 790                 AltosDebug.debug("onNewIntent");
 791                 noticeIntent(intent);
 792         }
 793
 794         @Override
 795         public void onResume() {
 796                 super.onResume();
 797                 AltosDebug.debug("+ ON RESUME +");
 798
 799                 // Listen for GPS and Network position updates
 800                 LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
 801                 locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 1, this);
 802
 803                 location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
 804
 805                 if (location != null)
 806                         AltosDebug.debug("Resume, location is %f,%f\n",
 807                                          location.getLatitude(),
 808                                          location.getLongitude());
 809
 810                 update_ui(telemetry_state, state, true);
 811         }
 812
 813         @Override
 814         public void onPause() {
 815                 super.onPause();
 816                 AltosDebug.debug("- ON PAUSE -");
 817                 // Stop listening for location updates
 818                 ((LocationManager) getSystemService(Context.LOCATION_SERVICE)).removeUpdates(this);
 819         }
 820
 821         @Override
 822         public void onStop() {
 823                 super.onStop();
 824                 AltosDebug.debug("-- ON STOP --");
 825         }
 826
 827         @Override
 828         public void onDestroy() {
 829                 super.onDestroy();
 830                 AltosDebug.debug("--- ON DESTROY ---");
 831
 832                 doUnbindService();
 833                 if (mAltosVoice != null) {
 834                         mAltosVoice.stop();
 835                         mAltosVoice = null;
 836                 }
 837                 stop_timer();
 838         }
 839
 840         protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 841                 AltosDebug.debug("onActivityResult " + resultCode);
 842                 switch (requestCode) {
 843                 case REQUEST_CONNECT_DEVICE:
 844                         // When DeviceListActivity returns with a device to connect to
 845                         if (resultCode == Activity.RESULT_OK) {
 846                                 connectDevice(data);
 847                         }
 848                         break;
 849                 case REQUEST_ENABLE_BT:
 850                         // When the request to enable Bluetooth returns
 851                         if (resultCode == Activity.RESULT_OK) {
 852                                 // Bluetooth is now enabled, so set up a chat session
 853                                 //setupChat();
 854                                 AltosDebug.debug("BT enabled");
 855                                 bluetoothEnabled(data);
 856                         } else {
 857                                 // User did not enable Bluetooth or an error occured
 858                                 AltosDebug.debug("BT not enabled");
 859                         }
 860                         break;
 861                 case REQUEST_IDLE_MODE:
 862                         if (resultCode == Activity.RESULT_OK)
 863                                 idle_mode(data);
 864                         break;
 865                 case REQUEST_IGNITERS:
 866                         break;
 867                 case REQUEST_SETUP:
 868                         if (resultCode == Activity.RESULT_OK)
 869                                 note_setup_changes(data);
 870                         break;
 871                 }
 872         }
 873
 874         private void note_setup_changes(Intent data) {
 875                 int changes = data.getIntExtra(SetupActivity.EXTRA_SETUP_CHANGES, 0);
 876
 877                 if ((changes & SETUP_BAUD) != 0) {
 878                         try {
 879                                 mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD,
 880                                                              AltosPreferences.telemetry_rate(1)));
 881                         } catch (RemoteException re) {
 882                         }
 883                 }
 884                 if ((changes & SETUP_UNITS) != 0) {
 885                         /* nothing to do here */
 886                 }
 887                 if ((changes & SETUP_MAP_SOURCE) != 0) {
 888                         /* nothing to do here */
 889                 }
 890                 if ((changes & SETUP_MAP_TYPE) != 0) {
 891                         /* nothing to do here */
 892                 }
 893                 set_switch_time();
 894         }
 895
 896         private void connectUsb(UsbDevice device) {
 897                 if (mService == null)
 898                         pending_usb_device = device;
 899                 else {
 900                         // Attempt to connect to the device
 901                         try {
 902                                 mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, device));
 903                                 AltosDebug.debug("Sent OPEN_USB message");
 904                         } catch (RemoteException e) {
 905                                 AltosDebug.debug("connect device message failed");
 906                         }
 907                 }
 908         }
 909
 910         private void bluetoothEnabled(Intent data) {
 911                 try {
 912                         mService.send(Message.obtain(null, TelemetryService.MSG_BLUETOOTH_ENABLED, null));
 913                 } catch (RemoteException e) {
 914                         AltosDebug.debug("send BT enabled message failed");
 915                 }
 916         }
 917
 918         private void connectDevice(Intent data) {
 919                 // Attempt to connect to the device
 920                 try {
 921                         String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 922                         String name = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_NAME);
 923
 924                         AltosDebug.debug("Connecting to " + address + " " + name);
 925                         DeviceAddress   a = new DeviceAddress(address, name);
 926                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, a));
 927                         AltosDebug.debug("Sent connecting message");
 928                 } catch (RemoteException e) {
 929                         AltosDebug.debug("connect device message failed");
 930                 }
 931         }
 932
 933         private void disconnectDevice(boolean remember) {
 934                 try {
 935                         mService.send(Message.obtain(null, TelemetryService.MSG_DISCONNECT, (Boolean) remember));
 936                 } catch (RemoteException e) {
 937                 }
 938         }
 939
 940         private void idle_mode(Intent data) {
 941                 int type = data.getIntExtra(IdleModeActivity.EXTRA_IDLE_RESULT, -1);
 942                 Message msg;
 943
 944                 AltosDebug.debug("intent idle_mode %d", type);
 945                 switch (type) {
 946                 case IdleModeActivity.IDLE_MODE_CONNECT:
 947                         msg = Message.obtain(null, TelemetryService.MSG_MONITOR_IDLE_START);
 948                         try {
 949                                 mService.send(msg);
 950                         } catch (RemoteException re) {
 951                         }
 952                         break;
 953                 case IdleModeActivity.IDLE_MODE_DISCONNECT:
 954                         msg = Message.obtain(null, TelemetryService.MSG_MONITOR_IDLE_STOP);
 955                         try {
 956                                 mService.send(msg);
 957                         } catch (RemoteException re) {
 958                         }
 959                         break;
 960                 case IdleModeActivity.IDLE_MODE_REBOOT:
 961                         msg = Message.obtain(null, TelemetryService.MSG_REBOOT);
 962                         try {
 963                                 mService.send(msg);
 964                         } catch (RemoteException re) {
 965                         }
 966                         break;
 967                 case IdleModeActivity.IDLE_MODE_IGNITERS:
 968                         Intent serverIntent = new Intent(this, IgniterActivity.class);
 969                         startActivityForResult(serverIntent, REQUEST_IGNITERS);
 970                         break;
 971                 }
 972         }
 973
 974         @Override
 975         public boolean onCreateOptionsMenu(Menu menu) {
 976                 MenuInflater inflater = getMenuInflater();
 977                 inflater.inflate(R.menu.option_menu, menu);
 978                 return true;
 979         }
 980
 981         void setFrequency(double freq) {
 982                 try {
 983                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 984                         set_switch_time();
 985                 } catch (RemoteException e) {
 986                 }
 987         }
 988
 989         void setFrequency(AltosFrequency frequency) {
 990                 setFrequency (frequency.frequency);
 991         }
 992
 993         void setBaud(int baud) {
 994                 try {
 995                         mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
 996                         set_switch_time();
 997                 } catch (RemoteException e) {
 998                 }
 999         }
1000
1001         void setBaud(String baud) {
1002                 try {
1003                         int     value = Integer.parseInt(baud);
1004                         int     rate = AltosLib.ao_telemetry_rate_38400;
1005                         switch (value) {
1006                         case 2400:
1007                                 rate = AltosLib.ao_telemetry_rate_2400;
1008                                 break;
1009                         case 9600:
1010                                 rate = AltosLib.ao_telemetry_rate_9600;
1011                                 break;
1012                         case 38400:
1013                                 rate = AltosLib.ao_telemetry_rate_38400;
1014                                 break;
1015                         }
1016                         setBaud(rate);
1017                 } catch (NumberFormatException e) {
1018                 }
1019         }
1020
1021         void select_tracker(int serial) {
1022                 int i;
1023
1024                 AltosDebug.debug("select tracker %d\n", serial);
1025
1026                 if (serial == selected_serial) {
1027                         AltosDebug.debug("%d already selected\n", serial);
1028                         return;
1029                 }
1030
1031                 if (serial != 0) {
1032                         for (i = 0; i < trackers.length; i++)
1033                                 if (trackers[i].serial == serial)
1034                                         break;
1035
1036                         if (i == trackers.length) {
1037                                 AltosDebug.debug("attempt to select unknown tracker %d\n", serial);
1038                                 return;
1039                         }
1040                 }
1041
1042                 current_serial = selected_serial = serial;
1043                 update_state(null);
1044         }
1045
1046         void touch_trackers(Integer[] serials) {
1047                 AlertDialog.Builder builder_tracker = new AlertDialog.Builder(this);
1048                 builder_tracker.setTitle("Select Tracker");
1049
1050                 final Tracker[] my_trackers = new Tracker[serials.length + 1];
1051
1052                 my_trackers[0] = new Tracker(null);
1053
1054                 for (int i = 0; i < serials.length; i++) {
1055                         AltosState      s = telemetry_state.states.get(serials[i]);
1056                         my_trackers[i+1] = new Tracker(s);
1057                 }
1058                 builder_tracker.setItems(my_trackers,
1059                                          new DialogInterface.OnClickListener() {
1060                                                  public void onClick(DialogInterface dialog, int item) {
1061                                                          if (item == 0)
1062                                                                  select_tracker(0);
1063                                                          else
1064                                                                  select_tracker(my_trackers[item].serial);
1065                                                  }
1066                                          });
1067                 AlertDialog alert_tracker = builder_tracker.create();
1068                 alert_tracker.show();
1069         }
1070
1071         void delete_track(int serial) {
1072                 try {
1073                         mService.send(Message.obtain(null, TelemetryService.MSG_DELETE_SERIAL, (Integer) serial));
1074                 } catch (Exception ex) {
1075                 }
1076         }
1077
1078         @Override
1079         public boolean onOptionsItemSelected(MenuItem item) {
1080                 Intent serverIntent = null;
1081                 switch (item.getItemId()) {
1082                 case R.id.connect_scan:
1083                         ensureBluetooth();
1084                         // Launch the DeviceListActivity to see devices and do scan
1085                         serverIntent = new Intent(this, DeviceListActivity.class);
1086                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
1087                         return true;
1088                 case R.id.disconnect:
1089                         /* Disconnect the device
1090                          */
1091                         disconnectDevice(false);
1092                         return true;
1093                 case R.id.quit:
1094                         AltosDebug.debug("R.id.quit");
1095                         disconnectDevice(true);
1096                         finish();
1097                         return true;
1098                 case R.id.setup:
1099                         serverIntent = new Intent(this, SetupActivity.class);
1100                         startActivityForResult(serverIntent, REQUEST_SETUP);
1101                         return true;
1102                 case R.id.select_freq:
1103                         // Set the TBT radio frequency
1104
1105                         final AltosFrequency[] frequencies = AltosPreferences.common_frequencies();
1106                         String[] frequency_strings = new String[frequencies.length];
1107                         for (int i = 0; i < frequencies.length; i++)
1108                                 frequency_strings[i] = frequencies[i].toString();
1109
1110                         AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
1111                         builder_freq.setTitle("Pick a frequency");
1112                         builder_freq.setItems(frequency_strings,
1113                                          new DialogInterface.OnClickListener() {
1114                                                  public void onClick(DialogInterface dialog, int item) {
1115                                                          setFrequency(frequencies[item]);
1116                                                  }
1117                                          });
1118                         AlertDialog alert_freq = builder_freq.create();
1119                         alert_freq.show();
1120                         return true;
1121                 case R.id.select_tracker:
1122                         if (trackers != null) {
1123                                 AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
1124                                 builder_serial.setTitle("Select a tracker");
1125                                 builder_serial.setItems(trackers,
1126                                                         new DialogInterface.OnClickListener() {
1127                                                                 public void onClick(DialogInterface dialog, int item) {
1128                                                                         System.out.printf("select item %d %s\n", item, trackers[item].display);
1129                                                                         if (item == 0)
1130                                                                                 select_tracker(0);
1131                                                                         else
1132                                                                                 select_tracker(trackers[item].serial);
1133                                                                 }
1134                                                         });
1135                                 AlertDialog alert_serial = builder_serial.create();
1136                                 alert_serial.show();
1137
1138                         }
1139                         return true;
1140                 case R.id.delete_track:
1141                         if (trackers != null) {
1142                                 AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
1143                                 builder_serial.setTitle("Delete a track");
1144                                 final Tracker[] my_trackers = new Tracker[trackers.length - 1];
1145                                 for (int i = 0; i < trackers.length - 1; i++)
1146                                         my_trackers[i] = trackers[i+1];
1147                                 builder_serial.setItems(my_trackers,
1148                                                         new DialogInterface.OnClickListener() {
1149                                                                 public void onClick(DialogInterface dialog, int item) {
1150                                                                         delete_track(my_trackers[item].serial);
1151                                                                 }
1152                                                         });
1153                                 AlertDialog alert_serial = builder_serial.create();
1154                                 alert_serial.show();
1155
1156                         }
1157                         return true;
1158                 case R.id.idle_mode:
1159                         serverIntent = new Intent(this, IdleModeActivity.class);
1160                         serverIntent.putExtra(EXTRA_IDLE_MODE, idle_mode);
1161                         startActivityForResult(serverIntent, REQUEST_IDLE_MODE);
1162                         return true;
1163                 }
1164                 return false;
1165         }
1166
1167         static String direction(AltosGreatCircle from_receiver,
1168                                 Location receiver) {
1169                 if (from_receiver == null)
1170                         return null;
1171
1172                 if (receiver == null)
1173                         return null;
1174
1175                 if (!receiver.hasBearing())
1176                         return null;
1177
1178                 float   bearing = receiver.getBearing();
1179                 float   heading = (float) from_receiver.bearing - bearing;
1180
1181                 while (heading <= -180.0f)
1182                         heading += 360.0f;
1183                 while (heading > 180.0f)
1184                         heading -= 360.0f;
1185
1186                 int iheading = (int) (heading + 0.5f);
1187
1188                 if (-1 < iheading && iheading < 1)
1189                         return "ahead";
1190                 else if (iheading < -179 || 179 < iheading)
1191                         return "backwards";
1192                 else if (iheading < 0)
1193                         return String.format("left %d°", -iheading);
1194                 else
1195                         return String.format("right %d°", iheading);
1196         }
1197
1198         public void onLocationChanged(Location location) {
1199                 this.location = location;
1200                 AltosDebug.debug("Location changed to %f,%f",
1201                                  location.getLatitude(),
1202                                  location.getLongitude());
1203                 update_ui(telemetry_state, state, false);
1204         }
1205
1206         public void onStatusChanged(String provider, int status, Bundle extras) {
1207                 AltosDebug.debug("Location status now %d\n", status);
1208         }
1209
1210         public void onProviderEnabled(String provider) {
1211                 AltosDebug.debug("Location provider enabled %s\n", provider);
1212         }
1213
1214         public void onProviderDisabled(String provider) {
1215                 AltosDebug.debug("Location provider disabled %s\n", provider);
1216         }
1217 }