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

   1 /*
   2  * Copyright © 2012-2013 Mike Beattie <mike@ethernal.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.AltosDroid;
  19
  20 import java.lang.ref.WeakReference;
  21 import java.util.ArrayList;
  22 import java.util.Timer;
  23 import java.util.TimerTask;
  24
  25 import android.app.Activity;
  26 import android.bluetooth.BluetoothAdapter;
  27 import android.bluetooth.BluetoothDevice;
  28 import android.content.Intent;
  29 import android.content.Context;
  30 import android.content.ComponentName;
  31 import android.content.ServiceConnection;
  32 import android.content.DialogInterface;
  33 import android.os.IBinder;
  34 import android.os.Bundle;
  35 import android.os.Handler;
  36 import android.os.Message;
  37 import android.os.Messenger;
  38 import android.os.RemoteException;
  39 import android.support.v4.app.FragmentActivity;
  40 import android.support.v4.app.FragmentManager;
  41 import android.util.DisplayMetrics;
  42 import android.util.Log;
  43 import android.view.Menu;
  44 import android.view.MenuInflater;
  45 import android.view.MenuItem;
  46 import android.view.Window;
  47 import android.view.View;
  48 import android.widget.TabHost;
  49 import android.widget.TextView;
  50 import android.widget.RelativeLayout;
  51 import android.widget.Toast;
  52 import android.app.AlertDialog;
  53 import android.location.Location;
  54
  55 import org.altusmetrum.altoslib_5.*;
  56
  57 public class AltosDroid extends FragmentActivity {
  58         // Debugging
  59         static final String TAG = "AltosDroid";
  60         static final boolean D = true;
  61
  62         // Message types received by our Handler
  63         public static final int MSG_STATE_CHANGE    = 1;
  64         public static final int MSG_TELEMETRY       = 2;
  65         public static final int MSG_UPDATE_AGE      = 3;
  66         public static final int MSG_LOCATION        = 4;
  67         public static final int MSG_CRC_ERROR       = 5;
  68         public static final int MSG_FREQUENCY       = 6;
  69         public static final int MSG_TELEMETRY_RATE  = 7;
  70
  71         // Intent request codes
  72         private static final int REQUEST_CONNECT_DEVICE = 1;
  73         private static final int REQUEST_ENABLE_BT      = 2;
  74
  75         public static FragmentManager   fm;
  76
  77         // Layout Views
  78         private TextView mTitle;
  79
  80         // Flight state values
  81         private TextView mCallsignView;
  82         private TextView mRSSIView;
  83         private TextView mSerialView;
  84         private TextView mFlightView;
  85         private RelativeLayout mStateLayout;
  86         private TextView mStateView;
  87         private TextView mAgeView;
  88
  89         // field to display the version at the bottom of the screen
  90         private TextView mVersion;
  91
  92         private double frequency;
  93         private int telemetry_rate;
  94
  95         // Tabs
  96         TabHost         mTabHost;
  97         AltosViewPager  mViewPager;
  98         TabsAdapter     mTabsAdapter;
  99         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
 100         int             tabHeight;
 101
 102         // Timer and Saved flight state for Age calculation
 103         private Timer timer = new Timer();
 104         AltosState saved_state;
 105         Location saved_location;
 106
 107         // Service
 108         private boolean mIsBound   = false;
 109         private Messenger mService = null;
 110         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
 111
 112         // TeleBT Config data
 113         private AltosConfigData mConfigData = null;
 114         // Local Bluetooth adapter
 115         private BluetoothAdapter mBluetoothAdapter = null;
 116
 117         // Text to Speech
 118         private AltosVoice mAltosVoice = null;
 119
 120         // The Handler that gets information back from the Telemetry Service
 121         static class IncomingHandler extends Handler {
 122                 private final WeakReference<AltosDroid> mAltosDroid;
 123                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 124
 125                 @Override
 126                 public void handleMessage(Message msg) {
 127                         AltosDroid ad = mAltosDroid.get();
 128                         switch (msg.what) {
 129                         case MSG_STATE_CHANGE:
 130                                 if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
 131                                 switch (msg.arg1) {
 132                                 case TelemetryService.STATE_CONNECTED:
 133                                         ad.set_config_data((AltosConfigData) msg.obj);
 134                                         break;
 135                                 case TelemetryService.STATE_CONNECTING:
 136                                         ad.mTitle.setText(R.string.title_connecting);
 137                                         break;
 138                                 case TelemetryService.STATE_READY:
 139                                 case TelemetryService.STATE_NONE:
 140                                         ad.mConfigData = null;
 141                                         ad.mTitle.setText(R.string.title_not_connected);
 142                                         String  active_device = AltosDroidPreferences.active_device();
 143                                         if (active_device != null)
 144                                                 ad.connectDevice(active_device);
 145                                         break;
 146                                 }
 147                                 break;
 148                         case MSG_TELEMETRY:
 149                                 ad.update_ui((AltosState) msg.obj);
 150                                 break;
 151                         case MSG_LOCATION:
 152                                 ad.set_location((Location) msg.obj);
 153                                 break;
 154                         case MSG_CRC_ERROR:
 155                                 break;
 156                         case MSG_UPDATE_AGE:
 157                                 if (ad.saved_state != null) {
 158                                         ad.mAgeView.setText(String.format("%d", (System.currentTimeMillis() - ad.saved_state.received_time + 500) / 1000));
 159                                 }
 160                                 break;
 161                         case MSG_FREQUENCY:
 162                                 ad.set_frequency((Double) msg.obj);
 163                                 break;
 164                         case MSG_TELEMETRY_RATE:
 165                                 ad.set_telemetry_rate((Integer) msg.obj);
 166                                 break;
 167                         }
 168                 }
 169         };
 170
 171
 172         private ServiceConnection mConnection = new ServiceConnection() {
 173                 public void onServiceConnected(ComponentName className, IBinder service) {
 174                         mService = new Messenger(service);
 175                         try {
 176                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 177                                 msg.replyTo = mMessenger;
 178                                 mService.send(msg);
 179                         } catch (RemoteException e) {
 180                                 // In this case the service has crashed before we could even do anything with it
 181                         }
 182                 }
 183
 184                 public void onServiceDisconnected(ComponentName className) {
 185                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 186                         mService = null;
 187                 }
 188         };
 189
 190         void doBindService() {
 191                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 192                 mIsBound = true;
 193         }
 194
 195         void doUnbindService() {
 196                 if (mIsBound) {
 197                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 198                         if (mService != null) {
 199                                 try {
 200                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 201                                         msg.replyTo = mMessenger;
 202                                         mService.send(msg);
 203                                 } catch (RemoteException e) {
 204                                         // There is nothing special we need to do if the service has crashed.
 205                                 }
 206                         }
 207                         // Detach our existing connection.
 208                         unbindService(mConnection);
 209                         mIsBound = false;
 210                 }
 211         }
 212
 213         public void registerTab(AltosDroidTab mTab) {
 214                 mTabs.add(mTab);
 215         }
 216
 217         public void unregisterTab(AltosDroidTab mTab) {
 218                 mTabs.remove(mTab);
 219         }
 220
 221         void set_location(Location location) {
 222                 saved_location = location;
 223                 Log.d(TAG, "set_location");
 224                 update_ui(saved_state);
 225         }
 226
 227         void set_title() {
 228                 if (mConfigData != null) {
 229                         String str = String.format("S/N %d %6.3f MHz", mConfigData.serial, frequency);
 230
 231                         if (telemetry_rate != AltosLib.ao_telemetry_rate_38400)
 232                                 str = str.concat(String.format(" %d bps", AltosLib.ao_telemetry_rate_values[telemetry_rate]));
 233                         mTitle.setText(str);
 234                 }
 235         }
 236
 237         void set_frequency(double frequency) {
 238                 if (D) Log.d(TAG, String.format("AltosDroid: set_frequency %f\n", frequency));
 239                 this.frequency = frequency;
 240                 set_title();
 241         }
 242
 243         void set_telemetry_rate(int telemetry_rate) {
 244                 if (D) Log.d(TAG, String.format("AltosDroid: set_telemetry_rate %d\n", telemetry_rate));
 245                 this.telemetry_rate = telemetry_rate;
 246                 set_title();
 247         }
 248
 249         void set_config_data(AltosConfigData config_data) {
 250                 mConfigData = config_data;
 251                 set_title();
 252         }
 253
 254         boolean same_string(String a, String b) {
 255                 if (a == null) {
 256                         if (b == null)
 257                                 return true;
 258                         return false;
 259                 } else {
 260                         if (b == null)
 261                                 return false;
 262                         return a.equals(b);
 263                 }
 264         }
 265
 266         void update_ui(AltosState state) {
 267
 268                 Log.d(TAG, "update_ui");
 269
 270                 int prev_state = AltosLib.ao_flight_invalid;
 271
 272                 if (saved_state != null)
 273                         prev_state = saved_state.state;
 274
 275                 if (state != null) {
 276                         Log.d(TAG, String.format("prev state %d new state  %d\n", prev_state, state.state));
 277                         if (prev_state != state.state) {
 278                                 String currentTab = mTabHost.getCurrentTabTag();
 279                                 Log.d(TAG, "switch state");
 280                                 switch (state.state) {
 281                                 case AltosLib.ao_flight_boost:
 282                                         if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("ascent");
 283                                         break;
 284                                 case AltosLib.ao_flight_drogue:
 285                                         if (currentTab.equals("ascent")) mTabHost.setCurrentTabByTag("descent");
 286                                         break;
 287                                 case AltosLib.ao_flight_landed:
 288                                         if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("landed");
 289                                         break;
 290                                 case AltosLib.ao_flight_stateless:
 291                                         if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 292                                         break;
 293                                 }
 294                         }
 295                 }
 296
 297                 AltosGreatCircle from_receiver = null;
 298
 299                 if (state != null && saved_location != null && state.gps != null && state.gps.locked) {
 300                         double altitude = 0;
 301                         if (saved_location.hasAltitude())
 302                                 altitude = saved_location.getAltitude();
 303                         from_receiver = new AltosGreatCircle(saved_location.getLatitude(),
 304                                                              saved_location.getLongitude(),
 305                                                              altitude,
 306                                                              state.gps.lat,
 307                                                              state.gps.lon,
 308                                                              state.gps.alt);
 309                 }
 310
 311                 if (state != null) {
 312                         if (saved_state == null || !same_string(saved_state.callsign, state.callsign)) {
 313                                 Log.d(TAG, "update callsign");
 314                                 mCallsignView.setText(state.callsign);
 315                         }
 316                         if (saved_state == null || state.serial != saved_state.serial) {
 317                                 Log.d(TAG, "update serial");
 318                                 mSerialView.setText(String.format("%d", state.serial));
 319                         }
 320                         if (saved_state == null || state.flight != saved_state.flight) {
 321                                 Log.d(TAG, "update flight");
 322                                 mFlightView.setText(String.format("%d", state.flight));
 323                         }
 324                         if (saved_state == null || state.state != saved_state.state) {
 325                                 Log.d(TAG, "update state");
 326                                 if (state.state == AltosLib.ao_flight_stateless) {
 327                                         mStateLayout.setVisibility(View.GONE);
 328                                 } else {
 329                                         mStateView.setText(state.state_name());
 330                                         mStateLayout.setVisibility(View.VISIBLE);
 331                                 }
 332                         }
 333                         if (saved_state == null || state.rssi != saved_state.rssi) {
 334                                 Log.d(TAG, "update rssi");
 335                                 mRSSIView.setText(String.format("%d", state.rssi));
 336                         }
 337                 }
 338
 339                 for (AltosDroidTab mTab : mTabs)
 340                         mTab.update_ui(state, from_receiver, saved_location, mTab == mTabsAdapter.currentItem());
 341
 342                 if (state != null)
 343                         mAltosVoice.tell(state);
 344
 345                 saved_state = state;
 346         }
 347
 348         private void onTimerTick() {
 349                 try {
 350                         mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
 351                 } catch (RemoteException e) {
 352                 }
 353         }
 354
 355         static String pos(double p, String pos, String neg) {
 356                 String  h = pos;
 357                 if (p == AltosLib.MISSING)
 358                         return "";
 359                 if (p < 0) {
 360                         h = neg;
 361                         p = -p;
 362                 }
 363                 int deg = (int) Math.floor(p);
 364                 double min = (p - Math.floor(p)) * 60.0;
 365                 return String.format("%d°%9.4f\" %s", deg, min, h);
 366         }
 367
 368         static String number(String format, double value) {
 369                 if (value == AltosLib.MISSING)
 370                         return "";
 371                 return String.format(format, value);
 372         }
 373
 374         static String integer(String format, int value) {
 375                 if (value == AltosLib.MISSING)
 376                         return "";
 377                 return String.format(format, value);
 378         }
 379
 380         @Override
 381         public void onCreate(Bundle savedInstanceState) {
 382                 super.onCreate(savedInstanceState);
 383                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 384
 385                 fm = getSupportFragmentManager();
 386
 387                 // Get local Bluetooth adapter
 388                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 389
 390                 // If the adapter is null, then Bluetooth is not supported
 391                 if (mBluetoothAdapter == null) {
 392                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 393                         finish();
 394                         return;
 395                 }
 396
 397                 // Initialise preferences
 398                 AltosDroidPreferences.init(this);
 399
 400                 // Set up the window layout
 401                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 402                 setContentView(R.layout.altosdroid);
 403                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 404
 405                 // Create the Tabs and ViewPager
 406                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 407                 mTabHost.setup();
 408
 409                 mViewPager = (AltosViewPager)findViewById(R.id.pager);
 410                 mViewPager.setOffscreenPageLimit(4);
 411
 412                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 413
 414                 mTabsAdapter.addTab(mTabHost.newTabSpec("pad").setIndicator("Pad"), TabPad.class, null);
 415                 mTabsAdapter.addTab(mTabHost.newTabSpec("ascent").setIndicator("Ascent"), TabAscent.class, null);
 416                 mTabsAdapter.addTab(mTabHost.newTabSpec("descent").setIndicator("Descent"), TabDescent.class, null);
 417                 mTabsAdapter.addTab(mTabHost.newTabSpec("landed").setIndicator("Landed"), TabLanded.class, null);
 418                 mTabsAdapter.addTab(mTabHost.newTabSpec("map").setIndicator("Map"), TabMap.class, null);
 419
 420
 421                 // Scale the size of the Tab bar for different screen densities
 422                 // This probably won't be needed when we start supporting ICS+ tabs.
 423                 DisplayMetrics metrics = new DisplayMetrics();
 424                 getWindowManager().getDefaultDisplay().getMetrics(metrics);
 425                 int density = metrics.densityDpi;
 426
 427                 if (density==DisplayMetrics.DENSITY_XHIGH)
 428                         tabHeight = 65;
 429                 else if (density==DisplayMetrics.DENSITY_HIGH)
 430                         tabHeight = 45;
 431                 else if (density==DisplayMetrics.DENSITY_MEDIUM)
 432                         tabHeight = 35;
 433                 else if (density==DisplayMetrics.DENSITY_LOW)
 434                         tabHeight = 25;
 435                 else
 436                         tabHeight = 65;
 437
 438                 for (int i = 0; i < 5; i++)
 439                         mTabHost.getTabWidget().getChildAt(i).getLayoutParams().height = tabHeight;
 440
 441
 442                 // Set up the custom title
 443                 mTitle = (TextView) findViewById(R.id.title_left_text);
 444                 mTitle.setText(R.string.app_name);
 445                 mTitle = (TextView) findViewById(R.id.title_right_text);
 446
 447                 // Display the Version
 448                 mVersion = (TextView) findViewById(R.id.version);
 449                 mVersion.setText("Version: " + BuildInfo.version +
 450                                  "  Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 451                                  "  (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 452
 453                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 454                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 455                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 456                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 457                 mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
 458                 mStateView     = (TextView) findViewById(R.id.state_value);
 459                 mAgeView       = (TextView) findViewById(R.id.age_value);
 460
 461                 timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 100L);
 462
 463                 mAltosVoice = new AltosVoice(this);
 464         }
 465
 466         @Override
 467         public void onStart() {
 468                 super.onStart();
 469                 if(D) Log.e(TAG, "++ ON START ++");
 470
 471                 if (!mBluetoothAdapter.isEnabled()) {
 472                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 473                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 474                 }
 475
 476                 // Start Telemetry Service
 477                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 478
 479                 doBindService();
 480
 481         }
 482
 483         @Override
 484         public synchronized void onResume() {
 485                 super.onResume();
 486                 if(D) Log.e(TAG, "+ ON RESUME +");
 487         }
 488
 489         @Override
 490         public synchronized void onPause() {
 491                 super.onPause();
 492                 if(D) Log.e(TAG, "- ON PAUSE -");
 493         }
 494
 495         @Override
 496         public void onStop() {
 497                 super.onStop();
 498                 if(D) Log.e(TAG, "-- ON STOP --");
 499
 500                 doUnbindService();
 501         }
 502
 503         @Override
 504         public void onDestroy() {
 505                 super.onDestroy();
 506                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 507
 508                 if (mAltosVoice != null) mAltosVoice.stop();
 509         }
 510
 511         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 512                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 513                 switch (requestCode) {
 514                 case REQUEST_CONNECT_DEVICE:
 515                         // When DeviceListActivity returns with a device to connect to
 516                         if (resultCode == Activity.RESULT_OK) {
 517                                 connectDevice(data);
 518                         }
 519                         break;
 520                 case REQUEST_ENABLE_BT:
 521                         // When the request to enable Bluetooth returns
 522                         if (resultCode == Activity.RESULT_OK) {
 523                                 // Bluetooth is now enabled, so set up a chat session
 524                                 //setupChat();
 525                         } else {
 526                                 // User did not enable Bluetooth or an error occured
 527                                 Log.e(TAG, "BT not enabled");
 528                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 529                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 530                                 finish();
 531                         }
 532                         break;
 533                 }
 534         }
 535
 536         private void connectDevice(String address) {
 537                 // Get the BLuetoothDevice object
 538                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 539                 // Attempt to connect to the device
 540                 try {
 541                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 542                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 543                 } catch (RemoteException e) {
 544                 }
 545         }
 546
 547         private void connectDevice(Intent data) {
 548                 // Get the device MAC address
 549                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 550                 AltosDroidPreferences.set_active_device(address);
 551                 connectDevice(address);
 552         }
 553
 554         @Override
 555         public boolean onCreateOptionsMenu(Menu menu) {
 556                 MenuInflater inflater = getMenuInflater();
 557                 inflater.inflate(R.menu.option_menu, menu);
 558                 return true;
 559         }
 560
 561         void setFrequency(double freq) {
 562                 try {
 563                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 564                 } catch (RemoteException e) {
 565                 }
 566         }
 567
 568         void setFrequency(String freq) {
 569                 try {
 570                         setFrequency (Double.parseDouble(freq.substring(11, 17)));
 571                 } catch (NumberFormatException e) {
 572                 }
 573         }
 574
 575         void setBaud(int baud) {
 576                 try {
 577                         mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
 578                 } catch (RemoteException e) {
 579                 }
 580         }
 581
 582         void setBaud(String baud) {
 583                 try {
 584                         int     value = Integer.parseInt(baud);
 585                         int     rate = AltosLib.ao_telemetry_rate_38400;
 586                         switch (value) {
 587                         case 2400:
 588                                 rate = AltosLib.ao_telemetry_rate_2400;
 589                                 break;
 590                         case 9600:
 591                                 rate = AltosLib.ao_telemetry_rate_9600;
 592                                 break;
 593                         case 38400:
 594                                 rate = AltosLib.ao_telemetry_rate_38400;
 595                                 break;
 596                         }
 597                         setBaud(rate);
 598                 } catch (NumberFormatException e) {
 599                 }
 600         }
 601
 602         @Override
 603         public boolean onOptionsItemSelected(MenuItem item) {
 604                 Intent serverIntent = null;
 605                 switch (item.getItemId()) {
 606                 case R.id.connect_scan:
 607                         // Launch the DeviceListActivity to see devices and do scan
 608                         serverIntent = new Intent(this, DeviceListActivity.class);
 609                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 610                         return true;
 611                 case R.id.quit:
 612                         Log.d(TAG, "R.id.quit");
 613                         stopService(new Intent(AltosDroid.this, TelemetryService.class));
 614                         finish();
 615                         return true;
 616                 case R.id.select_freq:
 617                         // Set the TBT radio frequency
 618
 619                         final String[] frequencies = {
 620                                 "Channel 0 (434.550MHz)",
 621                                 "Channel 1 (434.650MHz)",
 622                                 "Channel 2 (434.750MHz)",
 623                                 "Channel 3 (434.850MHz)",
 624                                 "Channel 4 (434.950MHz)",
 625                                 "Channel 5 (435.050MHz)",
 626                                 "Channel 6 (435.150MHz)",
 627                                 "Channel 7 (435.250MHz)",
 628                                 "Channel 8 (435.350MHz)",
 629                                 "Channel 9 (435.450MHz)"
 630                         };
 631
 632                         AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
 633                         builder_freq.setTitle("Pick a frequency");
 634                         builder_freq.setItems(frequencies,
 635                                          new DialogInterface.OnClickListener() {
 636                                                  public void onClick(DialogInterface dialog, int item) {
 637                                                          setFrequency(frequencies[item]);
 638                                                  }
 639                                          });
 640                         AlertDialog alert_freq = builder_freq.create();
 641                         alert_freq.show();
 642                         return true;
 643                 case R.id.select_rate:
 644                         // Set the TBT baud rate
 645
 646                         final String[] rates = {
 647                                 "38400",
 648                                 "9600",
 649                                 "2400",
 650                         };
 651
 652                         AlertDialog.Builder builder_rate = new AlertDialog.Builder(this);
 653                         builder_rate.setTitle("Pick a baud rate");
 654                         builder_rate.setItems(rates,
 655                                          new DialogInterface.OnClickListener() {
 656                                                  public void onClick(DialogInterface dialog, int item) {
 657                                                          setBaud(rates[item]);
 658                                                  }
 659                                          });
 660                         AlertDialog alert_rate = builder_rate.create();
 661                         alert_rate.show();
 662                         return true;
 663                 }
 664                 return false;
 665         }
 666
 667 }