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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.util.Log;
  37 import android.view.Menu;
  38 import android.view.MenuInflater;
  39 import android.view.MenuItem;
  40 import android.view.Window;
  41 import android.widget.TextView;
  42 import android.widget.Toast;
  43 import android.app.AlertDialog;
  44
  45 import org.altusmetrum.altoslib_1.*;
  46
  47 public class AltosDroid extends Activity {
  48         // Debugging
  49         private static final String TAG = "AltosDroid";
  50         private static final boolean D = true;
  51
  52         // Message types received by our Handler
  53         public static final int MSG_STATE_CHANGE    = 1;
  54         public static final int MSG_TELEMETRY       = 2;
  55
  56         // Intent request codes
  57         private static final int REQUEST_CONNECT_DEVICE = 1;
  58         private static final int REQUEST_ENABLE_BT      = 2;
  59
  60         // Layout Views
  61         private TextView mTitle;
  62
  63         // Flight state values
  64         private TextView mCallsignView;
  65         private TextView mRSSIView;
  66         private TextView mSerialView;
  67         private TextView mFlightView;
  68         private TextView mStateView;
  69         private TextView mSpeedView;
  70         private TextView mAccelView;
  71         private TextView mRangeView;
  72         private TextView mHeightView;
  73         private TextView mElevationView;
  74         private TextView mBearingView;
  75         private TextView mLatitudeView;
  76         private TextView mLongitudeView;
  77
  78         // field to display the version at the bottom of the screen
  79         private TextView mVersion;
  80
  81         // Service
  82         private boolean mIsBound   = false;
  83         private Messenger mService = null;
  84         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
  85
  86         // Preferences
  87         private AltosDroidPreferences prefs = null;
  88
  89         // TeleBT Config data
  90         private AltosConfigData mConfigData = null;
  91         // Local Bluetooth adapter
  92         private BluetoothAdapter mBluetoothAdapter = null;
  93
  94         // Text to Speech
  95         private AltosVoice mAltosVoice = null;
  96
  97         // The Handler that gets information back from the Telemetry Service
  98         static class IncomingHandler extends Handler {
  99                 private final WeakReference<AltosDroid> mAltosDroid;
 100                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 101
 102                 @Override
 103                 public void handleMessage(Message msg) {
 104                         AltosDroid ad = mAltosDroid.get();
 105                         switch (msg.what) {
 106                         case MSG_STATE_CHANGE:
 107                                 if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
 108                                 switch (msg.arg1) {
 109                                 case TelemetryService.STATE_CONNECTED:
 110                                         ad.mConfigData = (AltosConfigData) msg.obj;
 111                                         String str = String.format(" %s S/N: %d", ad.mConfigData.product, ad.mConfigData.serial);
 112                                         ad.mTitle.setText(R.string.title_connected_to);
 113                                         ad.mTitle.append(str);
 114                                         Toast.makeText(ad.getApplicationContext(), "Connected to " + str, Toast.LENGTH_SHORT).show();
 115                                         ad.mAltosVoice.speak("Connected");
 116                                         break;
 117                                 case TelemetryService.STATE_CONNECTING:
 118                                         ad.mTitle.setText(R.string.title_connecting);
 119                                         break;
 120                                 case TelemetryService.STATE_READY:
 121                                 case TelemetryService.STATE_NONE:
 122                                         ad.mConfigData = null;
 123                                         ad.mTitle.setText(R.string.title_not_connected);
 124                                         break;
 125                                 }
 126                                 break;
 127                         case MSG_TELEMETRY:
 128                                 ad.update_ui((AltosState) msg.obj);
 129                                 break;
 130                         }
 131                 }
 132         };
 133
 134
 135         private ServiceConnection mConnection = new ServiceConnection() {
 136                 public void onServiceConnected(ComponentName className, IBinder service) {
 137                         mService = new Messenger(service);
 138                         try {
 139                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 140                                 msg.replyTo = mMessenger;
 141                                 mService.send(msg);
 142                         } catch (RemoteException e) {
 143                                 // In this case the service has crashed before we could even do anything with it
 144                         }
 145                 }
 146
 147                 public void onServiceDisconnected(ComponentName className) {
 148                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 149                         mService = null;
 150                 }
 151         };
 152
 153         void doBindService() {
 154                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 155                 mIsBound = true;
 156         }
 157
 158         void doUnbindService() {
 159                 if (mIsBound) {
 160                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 161                         if (mService != null) {
 162                                 try {
 163                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 164                                         msg.replyTo = mMessenger;
 165                                         mService.send(msg);
 166                                 } catch (RemoteException e) {
 167                                         // There is nothing special we need to do if the service has crashed.
 168                                 }
 169                         }
 170                         // Detach our existing connection.
 171                         unbindService(mConnection);
 172                         mIsBound = false;
 173                 }
 174         }
 175
 176         void update_ui(AltosState state) {
 177                 mCallsignView.setText(state.data.callsign);
 178                 mRSSIView.setText(String.format("%d", state.data.rssi));
 179                 mSerialView.setText(String.format("%d", state.data.serial));
 180                 mFlightView.setText(String.format("%d", state.data.flight));
 181                 mStateView.setText(state.data.state());
 182                 mSpeedView.setText(String.format("%6.0f m/s", state.speed()));
 183                 mAccelView.setText(String.format("%6.0f m/s²", state.acceleration));
 184                 mRangeView.setText(String.format("%6.0f m", state.range));
 185                 mHeightView.setText(String.format("%6.0f m", state.height));
 186                 mElevationView.setText(String.format("%3.0f°", state.elevation));
 187                 if (state.from_pad != null)
 188                         mBearingView.setText(String.format("%3.0f°", state.from_pad.bearing));
 189                 mLatitudeView.setText(pos(state.gps.lat, "N", "S"));
 190                 mLongitudeView.setText(pos(state.gps.lon, "W", "E"));
 191
 192                 mAltosVoice.tell(state);
 193         }
 194
 195         static String pos(double p, String pos, String neg) {
 196                 String  h = pos;
 197                 if (p < 0) {
 198                         h = neg;
 199                         p = -p;
 200                 }
 201                 int deg = (int) Math.floor(p);
 202                 double min = (p - Math.floor(p)) * 60.0;
 203                 return String.format("%d° %9.6f\" %s", deg, min, h);
 204         }
 205
 206         @Override
 207         public void onCreate(Bundle savedInstanceState) {
 208                 super.onCreate(savedInstanceState);
 209                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 210
 211                 // Get local Bluetooth adapter
 212                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 213
 214                 // If the adapter is null, then Bluetooth is not supported
 215                 if (mBluetoothAdapter == null) {
 216                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 217                         finish();
 218                         return;
 219                 }
 220
 221                 // Initialise preferences
 222                 prefs = new AltosDroidPreferences(this);
 223                 AltosPreferences.init(prefs);
 224
 225                 // Set up the window layout
 226                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 227                 setContentView(R.layout.altosdroid);
 228                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 229
 230                 // Set up the custom title
 231                 mTitle = (TextView) findViewById(R.id.title_left_text);
 232                 mTitle.setText(R.string.app_name);
 233                 mTitle = (TextView) findViewById(R.id.title_right_text);
 234
 235                 // Display the Version
 236                 mVersion = (TextView) findViewById(R.id.version);
 237                 mVersion.setText("Version: " + BuildInfo.version +
 238                                  "  Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 239                                  "  (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 240
 241                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 242                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 243                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 244                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 245                 mStateView     = (TextView) findViewById(R.id.state_value);
 246                 mSpeedView     = (TextView) findViewById(R.id.speed_value);
 247                 mAccelView     = (TextView) findViewById(R.id.accel_value);
 248                 mRangeView     = (TextView) findViewById(R.id.range_value);
 249                 mHeightView    = (TextView) findViewById(R.id.height_value);
 250                 mElevationView = (TextView) findViewById(R.id.elevation_value);
 251                 mBearingView   = (TextView) findViewById(R.id.bearing_value);
 252                 mLatitudeView  = (TextView) findViewById(R.id.latitude_value);
 253                 mLongitudeView = (TextView) findViewById(R.id.longitude_value);
 254
 255                 mAltosVoice = new AltosVoice(this);
 256         }
 257
 258         @Override
 259         public void onStart() {
 260                 super.onStart();
 261                 if(D) Log.e(TAG, "++ ON START ++");
 262
 263                 if (!mBluetoothAdapter.isEnabled()) {
 264                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 265                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 266                 }
 267
 268                 // Start Telemetry Service
 269                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 270
 271                 doBindService();
 272         }
 273
 274         @Override
 275         public synchronized void onResume() {
 276                 super.onResume();
 277                 if(D) Log.e(TAG, "+ ON RESUME +");
 278         }
 279
 280         @Override
 281         public synchronized void onPause() {
 282                 super.onPause();
 283                 if(D) Log.e(TAG, "- ON PAUSE -");
 284         }
 285
 286         @Override
 287         public void onStop() {
 288                 super.onStop();
 289                 if(D) Log.e(TAG, "-- ON STOP --");
 290
 291                 doUnbindService();
 292         }
 293
 294         @Override
 295         public void onDestroy() {
 296                 super.onDestroy();
 297                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 298
 299                 mAltosVoice.stop();
 300         }
 301
 302         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 303                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 304                 switch (requestCode) {
 305                 case REQUEST_CONNECT_DEVICE:
 306                         // When DeviceListActivity returns with a device to connect to
 307                         if (resultCode == Activity.RESULT_OK) {
 308                                 connectDevice(data);
 309                         }
 310                         break;
 311                 case REQUEST_ENABLE_BT:
 312                         // When the request to enable Bluetooth returns
 313                         if (resultCode == Activity.RESULT_OK) {
 314                                 // Bluetooth is now enabled, so set up a chat session
 315                                 //setupChat();
 316                         } else {
 317                                 // User did not enable Bluetooth or an error occured
 318                                 Log.e(TAG, "BT not enabled");
 319                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 320                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 321                                 finish();
 322                         }
 323                         break;
 324                 }
 325         }
 326
 327         private void connectDevice(Intent data) {
 328                 // Get the device MAC address
 329                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 330                 // Get the BLuetoothDevice object
 331                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 332                 // Attempt to connect to the device
 333                 try {
 334                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 335                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 336                 } catch (RemoteException e) {
 337                 }
 338         }
 339
 340         @Override
 341         public boolean onCreateOptionsMenu(Menu menu) {
 342                 MenuInflater inflater = getMenuInflater();
 343                 inflater.inflate(R.menu.option_menu, menu);
 344                 return true;
 345         }
 346
 347         void setFrequency(double freq) {
 348                 try {
 349                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 350                 } catch (RemoteException e) {
 351                 }
 352         }
 353
 354         void setFrequency(String freq) {
 355                 try {
 356                         setFrequency (Double.parseDouble(freq.substring(11, 17)));
 357                 } catch (NumberFormatException e) {
 358                 }
 359         }
 360
 361         @Override
 362         public boolean onOptionsItemSelected(MenuItem item) {
 363                 Intent serverIntent = null;
 364                 switch (item.getItemId()) {
 365                 case R.id.connect_scan:
 366                         // Launch the DeviceListActivity to see devices and do scan
 367                         serverIntent = new Intent(this, DeviceListActivity.class);
 368                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 369                         return true;
 370                 case R.id.select_freq:
 371                         // Set the TBT radio frequency
 372
 373                         final String[] frequencies = {
 374                                 "Channel 0 (434.550MHz)",
 375                                 "Channel 1 (434.650MHz)",
 376                                 "Channel 2 (434.750MHz)",
 377                                 "Channel 3 (434.850MHz)",
 378                                 "Channel 4 (434.950MHz)",
 379                                 "Channel 5 (435.050MHz)",
 380                                 "Channel 6 (435.150MHz)",
 381                                 "Channel 7 (435.250MHz)",
 382                                 "Channel 8 (435.350MHz)",
 383                                 "Channel 9 (435.450MHz)"
 384                         };
 385
 386                         AlertDialog.Builder builder = new AlertDialog.Builder(this);
 387                         builder.setTitle("Pick a frequency");
 388                         builder.setItems(frequencies,
 389                                          new DialogInterface.OnClickListener() {
 390                                                  public void onClick(DialogInterface dialog, int item) {
 391                                                          setFrequency(frequencies[item]);
 392                                                  }
 393                                          });
 394                         AlertDialog alert = builder.create();
 395                         alert.show();
 396                         return true;
 397                 }
 398                 return false;
 399         }
 400
 401 }