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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.text.*;
  23 import java.util.*;
  24 import java.io.*;
  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.location.LocationManager;
  50 import android.location.LocationListener;
  51 import android.hardware.usb.*;
  52 import android.graphics.*;
  53 import android.graphics.drawable.*;
  54
  55 import org.altusmetrum.altoslib_11.*;
  56
  57 class SavedState {
  58         long    received_time;
  59         int     state;
  60         boolean locked;
  61         String  callsign;
  62         int     serial;
  63         int     flight;
  64         int     rssi;
  65
  66         SavedState(AltosState state) {
  67                 received_time = state.received_time;
  68                 this.state = state.state();
  69                 if (state.gps != null)
  70                         locked = state.gps.locked;
  71                 else
  72                         locked = false;
  73                 callsign = state.cal_data.callsign;
  74                 serial = state.cal_data.serial;
  75                 flight = state.cal_data.flight;
  76                 rssi = state.rssi;
  77         }
  78 }
  79
  80 public class AltosDroid extends FragmentActivity implements AltosUnitsListener, LocationListener {
  81
  82         // Actions sent to the telemetry server at startup time
  83
  84         public static final String ACTION_BLUETOOTH = "org.altusmetrum.AltosDroid.BLUETOOTH";
  85         public static final String ACTION_USB = "org.altusmetrum.AltosDroid.USB";
  86
  87         // Message types received by our Handler
  88
  89         public static final int MSG_STATE           = 1;
  90         public static final int MSG_UPDATE_AGE      = 2;
  91         public static final int MSG_IDLE_MODE       = 3;
  92         public static final int MSG_IGNITER_STATUS  = 4;
  93
  94         // Intent request codes
  95         public static final int REQUEST_CONNECT_DEVICE = 1;
  96         public static final int REQUEST_ENABLE_BT      = 2;
  97         public static final int REQUEST_PRELOAD_MAPS   = 3;
  98         public static final int REQUEST_IDLE_MODE      = 5;
  99         public static final int REQUEST_IGNITERS       = 6;
 100         public static final int REQUEST_SETUP          = 7;
 101
 102         public static final String EXTRA_IDLE_MODE = "idle_mode";
 103         public static final String EXTRA_IDLE_RESULT = "idle_result";
 104         public static final String EXTRA_TELEMETRY_SERVICE = "telemetry_service";
 105
 106         // Setup result bits
 107         public static final int SETUP_BAUD = 1;
 108         public static final int SETUP_UNITS = 2;
 109         public static final int SETUP_MAP_SOURCE = 4;
 110         public static final int SETUP_MAP_TYPE = 8;
 111
 112         public static FragmentManager   fm;
 113
 114         private BluetoothAdapter mBluetoothAdapter = null;
 115
 116         // Flight state values
 117         private TextView mCallsignView;
 118         private TextView mRSSIView;
 119         private TextView mSerialView;
 120         private TextView mFlightView;
 121         private RelativeLayout mStateLayout;
 122         private TextView mStateView;
 123         private TextView mAgeView;
 124         private boolean  mAgeViewOld;
 125         private int mAgeNewColor;
 126         private int mAgeOldColor;
 127
 128         public static final String      tab_pad_name = "pad";
 129         public static final String      tab_flight_name = "flight";
 130         public static final String      tab_recover_name = "recover";
 131         public static final String      tab_map_name = "map";
 132
 133         // field to display the version at the bottom of the screen
 134         private TextView mVersion;
 135
 136         private boolean idle_mode = false;
 137
 138         public Location location = null;
 139
 140         private AltosState      state;
 141         private SavedState      saved_state;
 142
 143         // Tabs
 144         TabHost         mTabHost;
 145         AltosViewPager  mViewPager;
 146         TabsAdapter     mTabsAdapter;
 147         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
 148         int             tabHeight;
 149
 150         // Timer and Saved flight state for Age calculation
 151         private Timer timer;
 152
 153         TelemetryState  telemetry_state;
 154         Integer[]       serials;
 155
 156         UsbDevice       pending_usb_device;
 157         boolean         start_with_usb;
 158
 159         // Service
 160         private boolean mIsBound   = false;
 161         private Messenger mService = null;
 162         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
 163
 164         // Text to Speech
 165         private AltosVoice mAltosVoice = null;
 166
 167         // The Handler that gets information back from the Telemetry Service
 168         static class IncomingHandler extends Handler {
 169                 private final WeakReference<AltosDroid> mAltosDroid;
 170                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 171
 172                 @Override
 173                 public void handleMessage(Message msg) {
 174                         AltosDroid ad = mAltosDroid.get();
 175
 176                         switch (msg.what) {
 177                         case MSG_STATE:
 178                                 if (msg.obj == null) {
 179                                         AltosDebug.debug("telemetry_state null!");
 180                                         return;
 181                                 }
 182                                 ad.update_state((TelemetryState) msg.obj);
 183                                 break;
 184                         case MSG_UPDATE_AGE:
 185                                 ad.update_age();
 186                                 break;
 187                         case MSG_IDLE_MODE:
 188                                 ad.idle_mode = (Boolean) msg.obj;
 189                                 ad.update_state(null);
 190                                 break;
 191                         }
 192                 }
 193         };
 194
 195
 196         private ServiceConnection mConnection = new ServiceConnection() {
 197                 public void onServiceConnected(ComponentName className, IBinder service) {
 198                         mService = new Messenger(service);
 199                         try {
 200                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 201                                 msg.replyTo = mMessenger;
 202                                 mService.send(msg);
 203                         } catch (RemoteException e) {
 204                                 // In this case the service has crashed before we could even do anything with it
 205                         }
 206                         if (pending_usb_device != null) {
 207                                 try {
 208                                         mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, pending_usb_device));
 209                                         pending_usb_device = null;
 210                                 } catch (RemoteException e) {
 211                                 }
 212                         }
 213                 }
 214
 215                 public void onServiceDisconnected(ComponentName className) {
 216                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 217                         mService = null;
 218                 }
 219         };
 220
 221         void doBindService() {
 222                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 223                 mIsBound = true;
 224         }
 225
 226         void doUnbindService() {
 227                 if (mIsBound) {
 228                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 229                         if (mService != null) {
 230                                 try {
 231                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 232                                         msg.replyTo = mMessenger;
 233                                         mService.send(msg);
 234                                 } catch (RemoteException e) {
 235                                         // There is nothing special we need to do if the service has crashed.
 236                                 }
 237                         }
 238                         // Detach our existing connection.
 239                         unbindService(mConnection);
 240                         mIsBound = false;
 241                 }
 242         }
 243
 244         public void registerTab(AltosDroidTab mTab) {
 245                 mTabs.add(mTab);
 246         }
 247
 248         public void unregisterTab(AltosDroidTab mTab) {
 249                 mTabs.remove(mTab);
 250         }
 251
 252         public void units_changed(boolean imperial_units) {
 253                 for (AltosDroidTab mTab : mTabs)
 254                         mTab.units_changed(imperial_units);
 255         }
 256
 257         void update_title(TelemetryState telemetry_state) {
 258                 switch (telemetry_state.connect) {
 259                 case TelemetryState.CONNECT_CONNECTED:
 260                         if (telemetry_state.config != null) {
 261                                 String str = String.format("S/N %d %6.3f MHz%s", telemetry_state.config.serial,
 262                                                            telemetry_state.frequency, idle_mode ? " (idle)" : "");
 263                                 if (telemetry_state.telemetry_rate != AltosLib.ao_telemetry_rate_38400)
 264                                         str = str.concat(String.format(" %d bps",
 265                                                                        AltosLib.ao_telemetry_rate_values[telemetry_state.telemetry_rate]));
 266                                 setTitle(str);
 267                         } else {
 268                                 setTitle(R.string.title_connected_to);
 269                         }
 270                         break;
 271                 case TelemetryState.CONNECT_CONNECTING:
 272                         if (telemetry_state.address != null)
 273                                 setTitle(String.format("Connecting to %s...", telemetry_state.address.name));
 274                         else
 275                                 setTitle("Connecting to something...");
 276                         break;
 277                 case TelemetryState.CONNECT_DISCONNECTED:
 278                 case TelemetryState.CONNECT_NONE:
 279                         setTitle(R.string.title_not_connected);
 280                         break;
 281                 }
 282         }
 283
 284         void start_timer() {
 285                 if (timer == null) {
 286                         timer = new Timer();
 287                         timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 1000L);
 288                 }
 289         }
 290
 291         void stop_timer() {
 292                 if (timer != null) {
 293                         timer.cancel();
 294                         timer.purge();
 295                         timer = null;
 296                 }
 297         }
 298
 299         int     selected_serial = 0;
 300         int     current_serial;
 301         long    switch_time;
 302
 303         void set_switch_time() {
 304                 switch_time = System.currentTimeMillis();
 305                 selected_serial = 0;
 306         }
 307
 308         boolean registered_units_listener;
 309
 310         void update_state(TelemetryState new_telemetry_state) {
 311
 312                 if (new_telemetry_state != null)
 313                         telemetry_state = new_telemetry_state;
 314
 315                 if (selected_serial != 0)
 316                         current_serial = selected_serial;
 317
 318                 if (current_serial == 0)
 319                         current_serial = telemetry_state.latest_serial;
 320
 321                 if (!registered_units_listener) {
 322                         registered_units_listener = true;
 323                         AltosPreferences.register_units_listener(this);
 324                 }
 325
 326                 serials = telemetry_state.states.keySet().toArray(new Integer[0]);
 327                 Arrays.sort(serials);
 328
 329                 update_title(telemetry_state);
 330
 331                 AltosState      state = null;
 332                 boolean         aged = true;
 333
 334                 if (telemetry_state.states.containsKey(current_serial)) {
 335                         state = telemetry_state.states.get(current_serial);
 336                         int age = state_age(state.received_time);
 337                         if (age < 20)
 338                                 aged = false;
 339                         if (current_serial == selected_serial)
 340                                 aged = false;
 341                         else if (switch_time != 0 && (switch_time - state.received_time) > 0)
 342                                 aged = true;
 343                 }
 344
 345                 if (aged) {
 346                         AltosState      newest_state = null;
 347                         int             newest_age = 0;
 348
 349                         for (int serial : telemetry_state.states.keySet()) {
 350                                 AltosState      existing = telemetry_state.states.get(serial);
 351                                 int             existing_age = state_age(existing.received_time);
 352
 353                                 if (newest_state == null || existing_age < newest_age) {
 354                                         newest_state = existing;
 355                                         newest_age = existing_age;
 356                                 }
 357                         }
 358
 359                         if (newest_state != null)
 360                                 state = newest_state;
 361                 }
 362
 363                 update_ui(telemetry_state, state, telemetry_state.quiet);
 364
 365                 start_timer();
 366         }
 367
 368         boolean same_string(String a, String b) {
 369                 if (a == null) {
 370                         if (b == null)
 371                                 return true;
 372                         return false;
 373                 } else {
 374                         if (b == null)
 375                                 return false;
 376                         return a.equals(b);
 377                 }
 378         }
 379
 380
 381         private int blend_component(int a, int b, double r, int shift, int mask) {
 382                 return ((int) (((a >> shift) & mask) * r + ((b >> shift) & mask) * (1 - r)) & mask) << shift;
 383         }
 384         private int blend_color(int a, int b, double r) {
 385                 return (blend_component(a, b, r, 0, 0xff) |
 386                         blend_component(a, b, r, 8, 0xff) |
 387                         blend_component(a, b, r, 16, 0xff) |
 388                         blend_component(a, b, r, 24, 0xff));
 389         }
 390
 391         int state_age(long received_time) {
 392                 return (int) ((System.currentTimeMillis() - received_time + 500) / 1000);
 393         }
 394
 395         void set_screen_on(int age) {
 396                 if (age < 60)
 397                         getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 398                 else
 399                         getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 400         }
 401
 402         void update_age() {
 403                 if (saved_state != null) {
 404                         int age = state_age(saved_state.received_time);
 405
 406                         double age_scale = age / 100.0;
 407
 408                         if (age_scale > 1.0)
 409                                 age_scale = 1.0;
 410
 411                         mAgeView.setTextColor(blend_color(mAgeOldColor, mAgeNewColor, age_scale));
 412
 413                         set_screen_on(age);
 414
 415                         String  text;
 416                         if (age < 60)
 417                                 text = String.format("%ds", age);
 418                         else if (age < 60 * 60)
 419                                 text = String.format("%dm", age / 60);
 420                         else if (age < 60 * 60 * 24)
 421                                 text = String.format("%dh", age / (60 * 60));
 422                         else
 423                                 text = String.format("%dd", age / (24 * 60 * 60));
 424                         mAgeView.setText(text);
 425                 }
 426         }
 427
 428         void update_ui(TelemetryState telem_state, AltosState state, boolean quiet) {
 429
 430                 this.state = state;
 431
 432                 int prev_state = AltosLib.ao_flight_invalid;
 433
 434                 AltosGreatCircle from_receiver = null;
 435
 436                 if (saved_state != null)
 437                         prev_state = saved_state.state;
 438
 439                 if (state != null) {
 440                         set_screen_on(state_age(state.received_time));
 441
 442                         if (state.state() == AltosLib.ao_flight_stateless) {
 443                                 boolean prev_locked = false;
 444                                 boolean locked = false;
 445
 446                                 if(state.gps != null)
 447                                         locked = state.gps.locked;
 448                                 if (saved_state != null)
 449                                         prev_locked = saved_state.locked;
 450                                 if (prev_locked != locked) {
 451                                         String currentTab = mTabHost.getCurrentTabTag();
 452                                         if (locked) {
 453                                                 if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
 454                                         } else {
 455                                                 if (currentTab.equals(tab_flight_name)) mTabHost.setCurrentTabByTag(tab_pad_name);
 456                                         }
 457                                 }
 458                         } else {
 459                                 if (prev_state != state.state()) {
 460                                         String currentTab = mTabHost.getCurrentTabTag();
 461                                         switch (state.state()) {
 462                                         case AltosLib.ao_flight_boost:
 463                                                 if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
 464                                                 break;
 465                                         case AltosLib.ao_flight_landed:
 466                                                 if (currentTab.equals(tab_flight_name)) mTabHost.setCurrentTabByTag(tab_recover_name);
 467                                                 break;
 468                                         case AltosLib.ao_flight_stateless:
 469                                                 if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
 470                                                 break;
 471                                         }
 472                                 }
 473                         }
 474
 475                         if (location != null && state.gps != null && state.gps.locked) {
 476                                 double altitude = 0;
 477                                 if (location.hasAltitude())
 478                                         altitude = location.getAltitude();
 479                                 from_receiver = new AltosGreatCircle(location.getLatitude(),
 480                                                                      location.getLongitude(),
 481                                                                      altitude,
 482                                                                      state.gps.lat,
 483                                                                      state.gps.lon,
 484                                                                      state.gps.alt);
 485                         }
 486
 487                         if (saved_state == null || !same_string(saved_state.callsign, state.cal_data.callsign)) {
 488                                 mCallsignView.setText(state.cal_data.callsign);
 489                         }
 490                         if (saved_state == null || state.cal_data.serial != saved_state.serial) {
 491                                 if (state.cal_data.serial == AltosLib.MISSING)
 492                                         mSerialView.setText("");
 493                                 else
 494                                         mSerialView.setText(String.format("%d", state.cal_data.serial));
 495                         }
 496                         if (saved_state == null || state.cal_data.flight != saved_state.flight) {
 497                                 if (state.cal_data.flight == AltosLib.MISSING)
 498                                         mFlightView.setText("");
 499                                 else
 500                                         mFlightView.setText(String.format("%d", state.cal_data.flight));
 501                         }
 502                         if (saved_state == null || state.state() != saved_state.state) {
 503                                 if (state.state() == AltosLib.ao_flight_stateless) {
 504                                         mStateLayout.setVisibility(View.GONE);
 505                                 } else {
 506                                         mStateView.setText(state.state_name());
 507                                         mStateLayout.setVisibility(View.VISIBLE);
 508                                 }
 509                         }
 510                         if (saved_state == null || state.rssi != saved_state.rssi) {
 511                                 if (state.rssi == AltosLib.MISSING)
 512                                         mRSSIView.setText("");
 513                                 else
 514                                         mRSSIView.setText(String.format("%d", state.rssi));
 515                         }
 516                         saved_state = new SavedState(state);
 517                 }
 518
 519                 for (AltosDroidTab mTab : mTabs)
 520                         mTab.update_ui(telem_state, state, from_receiver, location, mTab == mTabsAdapter.currentItem());
 521
 522                 AltosDebug.debug("quiet %b\n", quiet);
 523                 if (mAltosVoice != null)
 524                         mAltosVoice.tell(telem_state, state, from_receiver, location, (AltosDroidTab) mTabsAdapter.currentItem(), quiet);
 525
 526         }
 527
 528         private void onTimerTick() {
 529                 try {
 530                         mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
 531                 } catch (RemoteException e) {
 532                 }
 533         }
 534
 535         static String pos(double p, String pos, String neg) {
 536                 String  h = pos;
 537                 if (p == AltosLib.MISSING)
 538                         return "";
 539                 if (p < 0) {
 540                         h = neg;
 541                         p = -p;
 542                 }
 543                 int deg = (int) Math.floor(p);
 544                 double min = (p - Math.floor(p)) * 60.0;
 545                 return String.format("%d°%9.4f\" %s", deg, min, h);
 546         }
 547
 548         static String number(String format, double value) {
 549                 if (value == AltosLib.MISSING)
 550                         return "";
 551                 return String.format(format, value);
 552         }
 553
 554         static String integer(String format, int value) {
 555                 if (value == AltosLib.MISSING)
 556                         return "";
 557                 return String.format(format, value);
 558         }
 559
 560         private View create_tab_view(String label) {
 561                 LayoutInflater inflater = (LayoutInflater) this.getLayoutInflater();
 562                 View tab_view = inflater.inflate(R.layout.tab_layout, null);
 563                 TextView text_view = (TextView) tab_view.findViewById (R.id.tabLabel);
 564                 text_view.setText(label);
 565                 return tab_view;
 566         }
 567
 568         @Override
 569         public void onCreate(Bundle savedInstanceState) {
 570                 super.onCreate(savedInstanceState);
 571                 AltosDebug.init(this);
 572                 AltosDebug.debug("+++ ON CREATE +++");
 573
 574                 // Initialise preferences
 575                 AltosDroidPreferences.init(this);
 576
 577                 fm = getSupportFragmentManager();
 578
 579                 // Set up the window layout
 580                 setContentView(R.layout.altosdroid);
 581
 582                 // Create the Tabs and ViewPager
 583                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 584                 mTabHost.setup();
 585
 586                 mViewPager = (AltosViewPager)findViewById(R.id.pager);
 587                 mViewPager.setOffscreenPageLimit(4);
 588
 589                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 590
 591                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_pad_name).setIndicator(create_tab_view("Pad")), TabPad.class, null);
 592                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_flight_name).setIndicator(create_tab_view("Flight")), TabFlight.class, null);
 593                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_recover_name).setIndicator(create_tab_view("Recover")), TabRecover.class, null);
 594                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_map_name).setIndicator(create_tab_view("Map")), TabMap.class, null);
 595
 596                 // Display the Version
 597                 mVersion = (TextView) findViewById(R.id.version);
 598                 mVersion.setText("Version: " + BuildInfo.version +
 599                                  (AltosVersion.has_google_maps_api_key() ? " maps" : "") +
 600                                  " Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 601                                  " (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 602
 603                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 604                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 605                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 606                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 607                 mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
 608                 mStateView     = (TextView) findViewById(R.id.state_value);
 609                 mAgeView       = (TextView) findViewById(R.id.age_value);
 610                 mAgeNewColor   = mAgeView.getTextColors().getDefaultColor();
 611                 mAgeOldColor   = getResources().getColor(R.color.old_color);
 612         }
 613
 614         private void ensureBluetooth() {
 615                 // Get local Bluetooth adapter
 616                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 617
 618                 /* if there is a BT adapter and it isn't turned on, then turn it on */
 619                 if (mBluetoothAdapter != null && !mBluetoothAdapter.isEnabled()) {
 620                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 621                         startActivityForResult(enableIntent, AltosDroid.REQUEST_ENABLE_BT);
 622                 }
 623         }
 624
 625         private boolean check_usb() {
 626                 UsbDevice       device = AltosUsb.find_device(this, AltosLib.product_basestation);
 627
 628                 if (device != null) {
 629                         Intent          i = new Intent(this, AltosDroid.class);
 630                         PendingIntent   pi = PendingIntent.getActivity(this, 0, new Intent("hello world", null, this, AltosDroid.class), 0);
 631
 632                         if (AltosUsb.request_permission(this, device, pi)) {
 633                                 connectUsb(device);
 634                         }
 635                         start_with_usb = true;
 636                         return true;
 637                 }
 638
 639                 start_with_usb = false;
 640
 641                 return false;
 642         }
 643
 644         private void noticeIntent(Intent intent) {
 645
 646                 /* Ok, this is pretty convenient.
 647                  *
 648                  * When a USB device is plugged in, and our 'hotplug'
 649                  * intent registration fires, we get an Intent with
 650                  * EXTRA_DEVICE set.
 651                  *
 652                  * When we start up and see a usb device and request
 653                  * permission to access it, that queues a
 654                  * PendingIntent, which has the EXTRA_DEVICE added in,
 655                  * along with the EXTRA_PERMISSION_GRANTED field as
 656                  * well.
 657                  *
 658                  * So, in both cases, we get the device name using the
 659                  * same call. We check to see if access was granted,
 660                  * in which case we ignore the device field and do our
 661                  * usual startup thing.
 662                  */
 663
 664                 UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
 665                 boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
 666
 667                 AltosDebug.debug("intent %s device %s granted %s", intent, device, granted);
 668
 669                 if (!granted)
 670                         device = null;
 671
 672                 if (device != null) {
 673                         AltosDebug.debug("intent has usb device " + device.toString());
 674                         connectUsb(device);
 675                 } else {
 676
 677                         /* 'granted' is only false if this intent came
 678                          * from the request_permission call and
 679                          * permission was denied. In which case, we
 680                          * don't want to loop forever...
 681                          */
 682                         if (granted) {
 683                                 AltosDebug.debug("check for a USB device at startup");
 684                                 if (check_usb())
 685                                         return;
 686                         }
 687                         AltosDebug.debug("Starting by looking for bluetooth devices");
 688                         ensureBluetooth();
 689                 }
 690         }
 691
 692         @Override
 693         public void onStart() {
 694                 super.onStart();
 695                 AltosDebug.debug("++ ON START ++");
 696
 697                 set_switch_time();
 698
 699                 noticeIntent(getIntent());
 700
 701                 // Start Telemetry Service
 702                 String  action = start_with_usb ? ACTION_USB : ACTION_BLUETOOTH;
 703
 704                 startService(new Intent(action, null, AltosDroid.this, TelemetryService.class));
 705
 706                 doBindService();
 707
 708                 if (mAltosVoice == null)
 709                         mAltosVoice = new AltosVoice(this);
 710
 711         }
 712
 713         @Override
 714         public void onNewIntent(Intent intent) {
 715                 super.onNewIntent(intent);
 716                 AltosDebug.debug("onNewIntent");
 717                 noticeIntent(intent);
 718         }
 719
 720         @Override
 721         public void onResume() {
 722                 super.onResume();
 723                 AltosDebug.debug("+ ON RESUME +");
 724
 725                 // Listen for GPS and Network position updates
 726                 LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
 727                 locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 1, this);
 728
 729                 location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
 730
 731                 if (location != null)
 732                         AltosDebug.debug("Resume, location is %f,%f\n",
 733                                          location.getLatitude(),
 734                                          location.getLongitude());
 735
 736                 update_ui(telemetry_state, state, true);
 737         }
 738
 739         @Override
 740         public void onPause() {
 741                 super.onPause();
 742                 AltosDebug.debug("- ON PAUSE -");
 743                 // Stop listening for location updates
 744                 ((LocationManager) getSystemService(Context.LOCATION_SERVICE)).removeUpdates(this);
 745         }
 746
 747         @Override
 748         public void onStop() {
 749                 super.onStop();
 750                 AltosDebug.debug("-- ON STOP --");
 751         }
 752
 753         @Override
 754         public void onDestroy() {
 755                 super.onDestroy();
 756                 AltosDebug.debug("--- ON DESTROY ---");
 757
 758                 doUnbindService();
 759                 if (mAltosVoice != null) {
 760                         mAltosVoice.stop();
 761                         mAltosVoice = null;
 762                 }
 763                 stop_timer();
 764         }
 765
 766         protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 767                 AltosDebug.debug("onActivityResult " + resultCode);
 768                 switch (requestCode) {
 769                 case REQUEST_CONNECT_DEVICE:
 770                         // When DeviceListActivity returns with a device to connect to
 771                         if (resultCode == Activity.RESULT_OK) {
 772                                 connectDevice(data);
 773                         }
 774                         break;
 775                 case REQUEST_ENABLE_BT:
 776                         // When the request to enable Bluetooth returns
 777                         if (resultCode == Activity.RESULT_OK) {
 778                                 // Bluetooth is now enabled, so set up a chat session
 779                                 //setupChat();
 780                                 AltosDebug.debug("BT enabled");
 781                                 bluetoothEnabled(data);
 782                         } else {
 783                                 // User did not enable Bluetooth or an error occured
 784                                 AltosDebug.debug("BT not enabled");
 785                         }
 786                         break;
 787                 case REQUEST_IDLE_MODE:
 788                         if (resultCode == Activity.RESULT_OK)
 789                                 idle_mode(data);
 790                         break;
 791                 case REQUEST_IGNITERS:
 792                         break;
 793                 case REQUEST_SETUP:
 794                         if (resultCode == Activity.RESULT_OK)
 795                                 note_setup_changes(data);
 796                         break;
 797                 }
 798         }
 799
 800         private void note_setup_changes(Intent data) {
 801                 int changes = data.getIntExtra(SetupActivity.EXTRA_SETUP_CHANGES, 0);
 802
 803                 if ((changes & SETUP_BAUD) != 0) {
 804                         try {
 805                                 mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD,
 806                                                              AltosPreferences.telemetry_rate(1)));
 807                         } catch (RemoteException re) {
 808                         }
 809                 }
 810                 if ((changes & SETUP_UNITS) != 0) {
 811                         /* nothing to do here */
 812                 }
 813                 if ((changes & SETUP_MAP_SOURCE) != 0) {
 814                         /* nothing to do here */
 815                 }
 816                 if ((changes & SETUP_MAP_TYPE) != 0) {
 817                         /* nothing to do here */
 818                 }
 819                 set_switch_time();
 820         }
 821
 822         private void connectUsb(UsbDevice device) {
 823                 if (mService == null)
 824                         pending_usb_device = device;
 825                 else {
 826                         // Attempt to connect to the device
 827                         try {
 828                                 mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, device));
 829                                 AltosDebug.debug("Sent OPEN_USB message");
 830                         } catch (RemoteException e) {
 831                                 AltosDebug.debug("connect device message failed");
 832                         }
 833                 }
 834         }
 835
 836         private void bluetoothEnabled(Intent data) {
 837                 try {
 838                         mService.send(Message.obtain(null, TelemetryService.MSG_BLUETOOTH_ENABLED, null));
 839                 } catch (RemoteException e) {
 840                         AltosDebug.debug("send BT enabled message failed");
 841                 }
 842         }
 843
 844         private void connectDevice(Intent data) {
 845                 // Attempt to connect to the device
 846                 try {
 847                         String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 848                         String name = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_NAME);
 849
 850                         AltosDebug.debug("Connecting to " + address + " " + name);
 851                         DeviceAddress   a = new DeviceAddress(address, name);
 852                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, a));
 853                         AltosDebug.debug("Sent connecting message");
 854                 } catch (RemoteException e) {
 855                         AltosDebug.debug("connect device message failed");
 856                 }
 857         }
 858
 859         private void disconnectDevice(boolean remember) {
 860                 try {
 861                         mService.send(Message.obtain(null, TelemetryService.MSG_DISCONNECT, (Boolean) remember));
 862                 } catch (RemoteException e) {
 863                 }
 864         }
 865
 866         private void idle_mode(Intent data) {
 867                 int type = data.getIntExtra(IdleModeActivity.EXTRA_IDLE_RESULT, -1);
 868                 Message msg;
 869
 870                 AltosDebug.debug("intent idle_mode %d", type);
 871                 switch (type) {
 872                 case IdleModeActivity.IDLE_MODE_CONNECT:
 873                         msg = Message.obtain(null, TelemetryService.MSG_MONITOR_IDLE_START);
 874                         try {
 875                                 mService.send(msg);
 876                         } catch (RemoteException re) {
 877                         }
 878                         break;
 879                 case IdleModeActivity.IDLE_MODE_DISCONNECT:
 880                         msg = Message.obtain(null, TelemetryService.MSG_MONITOR_IDLE_STOP);
 881                         try {
 882                                 mService.send(msg);
 883                         } catch (RemoteException re) {
 884                         }
 885                         break;
 886                 case IdleModeActivity.IDLE_MODE_REBOOT:
 887                         msg = Message.obtain(null, TelemetryService.MSG_REBOOT);
 888                         try {
 889                                 mService.send(msg);
 890                         } catch (RemoteException re) {
 891                         }
 892                         break;
 893                 case IdleModeActivity.IDLE_MODE_IGNITERS:
 894                         Intent serverIntent = new Intent(this, IgniterActivity.class);
 895                         startActivityForResult(serverIntent, REQUEST_IGNITERS);
 896                         break;
 897                 }
 898         }
 899
 900         @Override
 901         public boolean onCreateOptionsMenu(Menu menu) {
 902                 MenuInflater inflater = getMenuInflater();
 903                 inflater.inflate(R.menu.option_menu, menu);
 904                 return true;
 905         }
 906
 907         void setFrequency(double freq) {
 908                 try {
 909                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 910                         set_switch_time();
 911                 } catch (RemoteException e) {
 912                 }
 913         }
 914
 915         void setFrequency(AltosFrequency frequency) {
 916                 setFrequency (frequency.frequency);
 917         }
 918
 919         void setBaud(int baud) {
 920                 try {
 921                         mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
 922                         set_switch_time();
 923                 } catch (RemoteException e) {
 924                 }
 925         }
 926
 927         void setBaud(String baud) {
 928                 try {
 929                         int     value = Integer.parseInt(baud);
 930                         int     rate = AltosLib.ao_telemetry_rate_38400;
 931                         switch (value) {
 932                         case 2400:
 933                                 rate = AltosLib.ao_telemetry_rate_2400;
 934                                 break;
 935                         case 9600:
 936                                 rate = AltosLib.ao_telemetry_rate_9600;
 937                                 break;
 938                         case 38400:
 939                                 rate = AltosLib.ao_telemetry_rate_38400;
 940                                 break;
 941                         }
 942                         setBaud(rate);
 943                 } catch (NumberFormatException e) {
 944                 }
 945         }
 946
 947         void select_tracker(int serial) {
 948                 int i;
 949
 950                 AltosDebug.debug("select tracker %d\n", serial);
 951
 952                 if (serial == selected_serial) {
 953                         AltosDebug.debug("%d already selected\n", serial);
 954                         return;
 955                 }
 956
 957                 if (serial != 0) {
 958                         for (i = 0; i < serials.length; i++)
 959                                 if (serials[i] == serial)
 960                                         break;
 961
 962                         if (i == serials.length) {
 963                                 AltosDebug.debug("attempt to select unknown tracker %d\n", serial);
 964                                 return;
 965                         }
 966                 }
 967
 968                 current_serial = selected_serial = serial;
 969                 update_state(null);
 970         }
 971
 972         void touch_trackers(Integer[] serials) {
 973                 AlertDialog.Builder builder_tracker = new AlertDialog.Builder(this);
 974                 builder_tracker.setTitle("Select Tracker");
 975                 final String[] trackers = new String[serials.length + 1];
 976                 trackers[0] = "Auto";
 977                 for (int i = 0; i < serials.length; i++)
 978                         trackers[i+1] = String.format("%d", serials[i]);
 979                 builder_tracker.setItems(trackers,
 980                                          new DialogInterface.OnClickListener() {
 981                                                  public void onClick(DialogInterface dialog, int item) {
 982                                                          if (item == 0)
 983                                                                  select_tracker(0);
 984                                                          else
 985                                                                  select_tracker(Integer.parseInt(trackers[item]));
 986                                                  }
 987                                          });
 988                 AlertDialog alert_tracker = builder_tracker.create();
 989                 alert_tracker.show();
 990         }
 991
 992         void delete_track(int serial) {
 993                 try {
 994                         mService.send(Message.obtain(null, TelemetryService.MSG_DELETE_SERIAL, (Integer) serial));
 995                 } catch (Exception ex) {
 996                 }
 997         }
 998
 999         @Override
1000         public boolean onOptionsItemSelected(MenuItem item) {
1001                 Intent serverIntent = null;
1002                 switch (item.getItemId()) {
1003                 case R.id.connect_scan:
1004                         ensureBluetooth();
1005                         // Launch the DeviceListActivity to see devices and do scan
1006                         serverIntent = new Intent(this, DeviceListActivity.class);
1007                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
1008                         return true;
1009                 case R.id.disconnect:
1010                         /* Disconnect the device
1011                          */
1012                         disconnectDevice(false);
1013                         return true;
1014                 case R.id.quit:
1015                         AltosDebug.debug("R.id.quit");
1016                         disconnectDevice(true);
1017                         finish();
1018                         return true;
1019                 case R.id.setup:
1020                         serverIntent = new Intent(this, SetupActivity.class);
1021                         startActivityForResult(serverIntent, REQUEST_SETUP);
1022                         return true;
1023                 case R.id.select_freq:
1024                         // Set the TBT radio frequency
1025
1026                         final AltosFrequency[] frequencies = AltosPreferences.common_frequencies();
1027                         String[] frequency_strings = new String[frequencies.length];
1028                         for (int i = 0; i < frequencies.length; i++)
1029                                 frequency_strings[i] = frequencies[i].toString();
1030
1031                         AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
1032                         builder_freq.setTitle("Pick a frequency");
1033                         builder_freq.setItems(frequency_strings,
1034                                          new DialogInterface.OnClickListener() {
1035                                                  public void onClick(DialogInterface dialog, int item) {
1036                                                          setFrequency(frequencies[item]);
1037                                                  }
1038                                          });
1039                         AlertDialog alert_freq = builder_freq.create();
1040                         alert_freq.show();
1041                         return true;
1042                 case R.id.select_tracker:
1043                         if (serials != null) {
1044                                 String[] trackers = new String[serials.length+1];
1045                                 trackers[0] = "Auto";
1046                                 for (int i = 0; i < serials.length; i++)
1047                                         trackers[i+1] = String.format("%d", serials[i]);
1048                                 AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
1049                                 builder_serial.setTitle("Select a tracker");
1050                                 builder_serial.setItems(trackers,
1051                                                         new DialogInterface.OnClickListener() {
1052                                                                 public void onClick(DialogInterface dialog, int item) {
1053                                                                         if (item == 0)
1054                                                                                 select_tracker(0);
1055                                                                         else
1056                                                                                 select_tracker(serials[item-1]);
1057                                                                 }
1058                                                         });
1059                                 AlertDialog alert_serial = builder_serial.create();
1060                                 alert_serial.show();
1061
1062                         }
1063                         return true;
1064                 case R.id.delete_track:
1065                         if (serials != null) {
1066                                 String[] trackers = new String[serials.length];
1067                                 for (int i = 0; i < serials.length; i++)
1068                                         trackers[i] = String.format("%d", serials[i]);
1069                                 AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
1070                                 builder_serial.setTitle("Delete a track");
1071                                 builder_serial.setItems(trackers,
1072                                                         new DialogInterface.OnClickListener() {
1073                                                                 public void onClick(DialogInterface dialog, int item) {
1074                                                                         delete_track(serials[item]);
1075                                                                 }
1076                                                         });
1077                                 AlertDialog alert_serial = builder_serial.create();
1078                                 alert_serial.show();
1079
1080                         }
1081                         return true;
1082                 case R.id.idle_mode:
1083                         serverIntent = new Intent(this, IdleModeActivity.class);
1084                         serverIntent.putExtra(EXTRA_IDLE_MODE, idle_mode);
1085                         startActivityForResult(serverIntent, REQUEST_IDLE_MODE);
1086                         return true;
1087                 }
1088                 return false;
1089         }
1090
1091         static String direction(AltosGreatCircle from_receiver,
1092                                 Location receiver) {
1093                 if (from_receiver == null)
1094                         return null;
1095
1096                 if (receiver == null)
1097                         return null;
1098
1099                 if (!receiver.hasBearing())
1100                         return null;
1101
1102                 float   bearing = receiver.getBearing();
1103                 float   heading = (float) from_receiver.bearing - bearing;
1104
1105                 while (heading <= -180.0f)
1106                         heading += 360.0f;
1107                 while (heading > 180.0f)
1108                         heading -= 360.0f;
1109
1110                 int iheading = (int) (heading + 0.5f);
1111
1112                 if (-1 < iheading && iheading < 1)
1113                         return "ahead";
1114                 else if (iheading < -179 || 179 < iheading)
1115                         return "backwards";
1116                 else if (iheading < 0)
1117                         return String.format("left %d°", -iheading);
1118                 else
1119                         return String.format("right %d°", iheading);
1120         }
1121
1122         public void onLocationChanged(Location location) {
1123                 this.location = location;
1124                 AltosDebug.debug("Location changed to %f,%f",
1125                                  location.getLatitude(),
1126                                  location.getLongitude());
1127                 update_ui(telemetry_state, state, false);
1128         }
1129
1130         public void onStatusChanged(String provider, int status, Bundle extras) {
1131                 AltosDebug.debug("Location status now %d\n", status);
1132         }
1133
1134         public void onProviderEnabled(String provider) {
1135                 AltosDebug.debug("Location provider enabled %s\n", provider);
1136         }
1137
1138         public void onProviderDisabled(String provider) {
1139                 AltosDebug.debug("Location provider disabled %s\n", provider);
1140         }
1141 }