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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; 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
  23 import android.app.Activity;
  24 import android.bluetooth.BluetoothAdapter;
  25 import android.bluetooth.BluetoothDevice;
  26 import android.content.Intent;
  27 import android.content.Context;
  28 import android.content.ComponentName;
  29 import android.content.ServiceConnection;
  30 import android.content.DialogInterface;
  31 import android.os.IBinder;
  32 import android.os.Bundle;
  33 import android.os.Handler;
  34 import android.os.Message;
  35 import android.os.Messenger;
  36 import android.os.RemoteException;
  37 import android.support.v4.app.FragmentActivity;
  38 import android.support.v4.view.ViewPager;
  39 import android.util.Log;
  40 import android.view.Menu;
  41 import android.view.MenuInflater;
  42 import android.view.MenuItem;
  43 import android.view.Window;
  44 import android.widget.TabHost;
  45 import android.widget.TextView;
  46 import android.widget.Toast;
  47 import android.app.AlertDialog;
  48
  49 import org.altusmetrum.altoslib_1.*;
  50
  51 public class AltosDroid extends FragmentActivity {
  52         // Debugging
  53         private static final String TAG = "AltosDroid";
  54         private static final boolean D = true;
  55
  56         // Message types received by our Handler
  57         public static final int MSG_STATE_CHANGE    = 1;
  58         public static final int MSG_TELEMETRY       = 2;
  59
  60         // Intent request codes
  61         private static final int REQUEST_CONNECT_DEVICE = 1;
  62         private static final int REQUEST_ENABLE_BT      = 2;
  63
  64         // Layout Views
  65         private TextView mTitle;
  66
  67         // Flight state values
  68         private TextView mCallsignView;
  69         private TextView mRSSIView;
  70         private TextView mSerialView;
  71         private TextView mFlightView;
  72         private TextView mStateView;
  73         private TextView mAgeView;
  74
  75         // field to display the version at the bottom of the screen
  76         private TextView mVersion;
  77
  78         // Tabs
  79         TabHost     mTabHost;
  80         ViewPager   mViewPager;
  81         TabsAdapter mTabsAdapter;
  82         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
  83
  84         // Service
  85         private boolean mIsBound   = false;
  86         private Messenger mService = null;
  87         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
  88
  89         // Preferences
  90         private AltosDroidPreferences prefs = null;
  91
  92         // TeleBT Config data
  93         private AltosConfigData mConfigData = null;
  94         // Local Bluetooth adapter
  95         private BluetoothAdapter mBluetoothAdapter = null;
  96
  97         // Text to Speech
  98         private AltosVoice mAltosVoice = null;
  99
 100         // The Handler that gets information back from the Telemetry Service
 101         static class IncomingHandler extends Handler {
 102                 private final WeakReference<AltosDroid> mAltosDroid;
 103                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 104
 105                 @Override
 106                 public void handleMessage(Message msg) {
 107                         AltosDroid ad = mAltosDroid.get();
 108                         switch (msg.what) {
 109                         case MSG_STATE_CHANGE:
 110                                 if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
 111                                 switch (msg.arg1) {
 112                                 case TelemetryService.STATE_CONNECTED:
 113                                         ad.mConfigData = (AltosConfigData) msg.obj;
 114                                         String str = String.format(" %s S/N: %d", ad.mConfigData.product, ad.mConfigData.serial);
 115                                         ad.mTitle.setText(R.string.title_connected_to);
 116                                         ad.mTitle.append(str);
 117                                         Toast.makeText(ad.getApplicationContext(), "Connected to " + str, Toast.LENGTH_SHORT).show();
 118                                         ad.mAltosVoice.speak("Connected");
 119                                         break;
 120                                 case TelemetryService.STATE_CONNECTING:
 121                                         ad.mTitle.setText(R.string.title_connecting);
 122                                         break;
 123                                 case TelemetryService.STATE_READY:
 124                                 case TelemetryService.STATE_NONE:
 125                                         ad.mConfigData = null;
 126                                         ad.mTitle.setText(R.string.title_not_connected);
 127                                         break;
 128                                 }
 129                                 break;
 130                         case MSG_TELEMETRY:
 131                                 ad.update_ui((AltosState) msg.obj);
 132                                 break;
 133                         }
 134                 }
 135         };
 136
 137
 138         private ServiceConnection mConnection = new ServiceConnection() {
 139                 public void onServiceConnected(ComponentName className, IBinder service) {
 140                         mService = new Messenger(service);
 141                         try {
 142                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 143                                 msg.replyTo = mMessenger;
 144                                 mService.send(msg);
 145                         } catch (RemoteException e) {
 146                                 // In this case the service has crashed before we could even do anything with it
 147                         }
 148                 }
 149
 150                 public void onServiceDisconnected(ComponentName className) {
 151                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 152                         mService = null;
 153                 }
 154         };
 155
 156         void doBindService() {
 157                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 158                 mIsBound = true;
 159         }
 160
 161         void doUnbindService() {
 162                 if (mIsBound) {
 163                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 164                         if (mService != null) {
 165                                 try {
 166                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 167                                         msg.replyTo = mMessenger;
 168                                         mService.send(msg);
 169                                 } catch (RemoteException e) {
 170                                         // There is nothing special we need to do if the service has crashed.
 171                                 }
 172                         }
 173                         // Detach our existing connection.
 174                         unbindService(mConnection);
 175                         mIsBound = false;
 176                 }
 177         }
 178
 179         public void registerTab(AltosDroidTab mTab) {
 180                 mTabs.add(mTab);
 181         }
 182
 183         public void unregisterTab(AltosDroidTab mTab) {
 184                 mTabs.remove(mTab);
 185         }
 186
 187         void update_ui(AltosState state) {
 188                 mCallsignView.setText(state.data.callsign);
 189                 mSerialView.setText(String.format("%d", state.data.serial));
 190                 mFlightView.setText(String.format("%d", state.data.flight));
 191                 mStateView.setText(state.data.state());
 192                 mRSSIView.setText(String.format("%d", state.data.rssi));
 193
 194                 for (AltosDroidTab mTab : mTabs)
 195                         mTab.update_ui(state);
 196
 197                 mAltosVoice.tell(state);
 198         }
 199
 200         static String pos(double p, String pos, String neg) {
 201                 String  h = pos;
 202                 if (p < 0) {
 203                         h = neg;
 204                         p = -p;
 205                 }
 206                 int deg = (int) Math.floor(p);
 207                 double min = (p - Math.floor(p)) * 60.0;
 208                 return String.format("%d° %9.6f\" %s", deg, min, h);
 209         }
 210
 211         @Override
 212         public void onCreate(Bundle savedInstanceState) {
 213                 super.onCreate(savedInstanceState);
 214                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 215
 216                 // Get local Bluetooth adapter
 217                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 218
 219                 // If the adapter is null, then Bluetooth is not supported
 220                 if (mBluetoothAdapter == null) {
 221                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 222                         finish();
 223                         return;
 224                 }
 225
 226                 // Initialise preferences
 227                 prefs = new AltosDroidPreferences(this);
 228                 AltosPreferences.init(prefs);
 229
 230                 // Set up the window layout
 231                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 232                 setContentView(R.layout.altosdroid);
 233                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 234
 235                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 236                 mTabHost.setup();
 237
 238                 mViewPager = (ViewPager)findViewById(R.id.pager);
 239                 mViewPager.setOffscreenPageLimit(4);
 240
 241                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 242
 243                 mTabsAdapter.addTab(mTabHost.newTabSpec("pad").setIndicator("Pad"), TabPad.class, null);
 244                 mTabsAdapter.addTab(mTabHost.newTabSpec("ascent").setIndicator("Ascent"), TabAscent.class, null);
 245                 mTabsAdapter.addTab(mTabHost.newTabSpec("descent").setIndicator("Descent"), TabDescent.class, null);
 246                 mTabsAdapter.addTab(mTabHost.newTabSpec("landed").setIndicator("Landed"), TabLanded.class, null);
 247                 mTabsAdapter.addTab(mTabHost.newTabSpec("map").setIndicator("Map"), TabMap.class, null);
 248
 249
 250                 // Set up the custom title
 251                 mTitle = (TextView) findViewById(R.id.title_left_text);
 252                 mTitle.setText(R.string.app_name);
 253                 mTitle = (TextView) findViewById(R.id.title_right_text);
 254
 255                 // Display the Version
 256                 mVersion = (TextView) findViewById(R.id.version);
 257                 mVersion.setText("Version: " + BuildInfo.version +
 258                                  "  Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 259                                  "  (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 260
 261                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 262                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 263                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 264                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 265                 mStateView     = (TextView) findViewById(R.id.state_value);
 266                 mAgeView       = (TextView) findViewById(R.id.age_value);
 267
 268                 mAltosVoice = new AltosVoice(this);
 269         }
 270
 271         @Override
 272         public void onStart() {
 273                 super.onStart();
 274                 if(D) Log.e(TAG, "++ ON START ++");
 275
 276                 if (!mBluetoothAdapter.isEnabled()) {
 277                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 278                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 279                 }
 280
 281                 // Start Telemetry Service
 282                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 283
 284                 doBindService();
 285         }
 286
 287         @Override
 288         public synchronized void onResume() {
 289                 super.onResume();
 290                 if(D) Log.e(TAG, "+ ON RESUME +");
 291         }
 292
 293         @Override
 294         public synchronized void onPause() {
 295                 super.onPause();
 296                 if(D) Log.e(TAG, "- ON PAUSE -");
 297         }
 298
 299         @Override
 300         public void onStop() {
 301                 super.onStop();
 302                 if(D) Log.e(TAG, "-- ON STOP --");
 303
 304                 doUnbindService();
 305         }
 306
 307         @Override
 308         public void onDestroy() {
 309                 super.onDestroy();
 310                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 311
 312                 mAltosVoice.stop();
 313         }
 314
 315         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 316                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 317                 switch (requestCode) {
 318                 case REQUEST_CONNECT_DEVICE:
 319                         // When DeviceListActivity returns with a device to connect to
 320                         if (resultCode == Activity.RESULT_OK) {
 321                                 connectDevice(data);
 322                         }
 323                         break;
 324                 case REQUEST_ENABLE_BT:
 325                         // When the request to enable Bluetooth returns
 326                         if (resultCode == Activity.RESULT_OK) {
 327                                 // Bluetooth is now enabled, so set up a chat session
 328                                 //setupChat();
 329                         } else {
 330                                 // User did not enable Bluetooth or an error occured
 331                                 Log.e(TAG, "BT not enabled");
 332                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 333                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 334                                 finish();
 335                         }
 336                         break;
 337                 }
 338         }
 339
 340         private void connectDevice(Intent data) {
 341                 // Get the device MAC address
 342                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 343                 // Get the BLuetoothDevice object
 344                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 345                 // Attempt to connect to the device
 346                 try {
 347                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 348                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 349                 } catch (RemoteException e) {
 350                 }
 351         }
 352
 353         @Override
 354         public boolean onCreateOptionsMenu(Menu menu) {
 355                 MenuInflater inflater = getMenuInflater();
 356                 inflater.inflate(R.menu.option_menu, menu);
 357                 return true;
 358         }
 359
 360         void setFrequency(double freq) {
 361                 try {
 362                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 363                 } catch (RemoteException e) {
 364                 }
 365         }
 366
 367         void setFrequency(String freq) {
 368                 try {
 369                         setFrequency (Double.parseDouble(freq.substring(11, 17)));
 370                 } catch (NumberFormatException e) {
 371                 }
 372         }
 373
 374         @Override
 375         public boolean onOptionsItemSelected(MenuItem item) {
 376                 Intent serverIntent = null;
 377                 switch (item.getItemId()) {
 378                 case R.id.connect_scan:
 379                         // Launch the DeviceListActivity to see devices and do scan
 380                         serverIntent = new Intent(this, DeviceListActivity.class);
 381                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 382                         return true;
 383                 case R.id.select_freq:
 384                         // Set the TBT radio frequency
 385
 386                         final String[] frequencies = {
 387                                 "Channel 0 (434.550MHz)",
 388                                 "Channel 1 (434.650MHz)",
 389                                 "Channel 2 (434.750MHz)",
 390                                 "Channel 3 (434.850MHz)",
 391                                 "Channel 4 (434.950MHz)",
 392                                 "Channel 5 (435.050MHz)",
 393                                 "Channel 6 (435.150MHz)",
 394                                 "Channel 7 (435.250MHz)",
 395                                 "Channel 8 (435.350MHz)",
 396                                 "Channel 9 (435.450MHz)"
 397                         };
 398
 399                         AlertDialog.Builder builder = new AlertDialog.Builder(this);
 400                         builder.setTitle("Pick a frequency");
 401                         builder.setItems(frequencies,
 402                                          new DialogInterface.OnClickListener() {
 403                                                  public void onClick(DialogInterface dialog, int item) {
 404                                                          setFrequency(frequencies[item]);
 405                                                  }
 406                                          });
 407                         AlertDialog alert = builder.create();
 408                         alert.show();
 409                         return true;
 410                 }
 411                 return false;
 412         }
 413
 414 }