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