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

   1 /*
   2  * Copyright © 2012 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.os.IBinder;
  30 import android.os.Bundle;
  31 import android.os.Handler;
  32 import android.os.Message;
  33 import android.os.Messenger;
  34 import android.os.RemoteException;
  35 import android.text.method.ScrollingMovementMethod;
  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
  44 import org.altusmetrum.AltosLib.*;
  45
  46 /**
  47  * This is the main Activity that displays the current chat session.
  48  */
  49 public class AltosDroid extends Activity {
  50         // Debugging
  51         private static final String TAG = "AltosDroid";
  52         private static final boolean D = true;
  53
  54         // Message types received by our Handler
  55         public static final int MSG_STATE_CHANGE    = 1;
  56         public static final int MSG_TELEMETRY       = 2;
  57
  58         // Intent request codes
  59         private static final int REQUEST_CONNECT_DEVICE = 1;
  60         private static final int REQUEST_ENABLE_BT      = 2;
  61
  62         // Layout Views
  63         private TextView mTitle;
  64
  65         // Flight state values
  66         private TextView mCallsignView;
  67         private TextView mRSSIView;
  68         private TextView mSerialView;
  69         private TextView mFlightView;
  70         private TextView mStateView;
  71         private TextView mSpeedView;
  72         private TextView mAccelView;
  73         private TextView mRangeView;
  74         private TextView mHeightView;
  75         private TextView mElevationView;
  76         private TextView mBearingView;
  77         private TextView mLatitudeView;
  78         private TextView mLongitudeView;
  79
  80         // Generic field for extras at the bottom
  81         private TextView mTextView;
  82
  83         // Service
  84         private boolean mIsBound   = false;
  85         private Messenger mService = null;
  86         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
  87
  88         // TeleBT Config data
  89         private AltosConfigData mConfigData = null;
  90         // Local Bluetooth adapter
  91         private BluetoothAdapter mBluetoothAdapter = null;
  92
  93         // Text to Speech
  94         private AltosVoice mAltosVoice = null;
  95
  96         // The Handler that gets information back from the Telemetry Service
  97         static class IncomingHandler extends Handler {
  98                 private final WeakReference<AltosDroid> mAltosDroid;
  99                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 100
 101                 @Override
 102                 public void handleMessage(Message msg) {
 103                         AltosDroid ad = mAltosDroid.get();
 104                         switch (msg.what) {
 105                         case MSG_STATE_CHANGE:
 106                                 if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
 107                                 switch (msg.arg1) {
 108                                 case TelemetryService.STATE_CONNECTED:
 109                                         ad.mConfigData = (AltosConfigData) msg.obj;
 110                                         String str = String.format(" %s S/N: %d", ad.mConfigData.product, ad.mConfigData.serial);
 111                                         ad.mTitle.setText(R.string.title_connected_to);
 112                                         ad.mTitle.append(str);
 113                                         Toast.makeText(ad.getApplicationContext(), "Connected to " + str, Toast.LENGTH_SHORT).show();
 114                                         ad.mAltosVoice.speak("Connected");
 115                                         //TEST!
 116                                         ad.mTextView.setText(Dumper.dump(ad.mConfigData));
 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                                         ad.mTextView.setText("");
 126                                         break;
 127                                 }
 128                                 break;
 129                         case MSG_TELEMETRY:
 130                                 ad.update_ui((AltosState) msg.obj);
 131                                 // TEST!
 132                                 ad.mTextView.setText(Dumper.dump(msg.obj));
 133                                 break;
 134                         }
 135                 }
 136         };
 137
 138
 139         private ServiceConnection mConnection = new ServiceConnection() {
 140                 public void onServiceConnected(ComponentName className, IBinder service) {
 141                         mService = new Messenger(service);
 142                         try {
 143                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 144                                 msg.replyTo = mMessenger;
 145                                 mService.send(msg);
 146                         } catch (RemoteException e) {
 147                                 // In this case the service has crashed before we could even do anything with it
 148                         }
 149                 }
 150
 151                 public void onServiceDisconnected(ComponentName className) {
 152                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 153                         mService = null;
 154                 }
 155         };
 156
 157
 158         void doBindService() {
 159                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 160                 mIsBound = true;
 161         }
 162
 163         void doUnbindService() {
 164                 if (mIsBound) {
 165                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 166                         if (mService != null) {
 167                                 try {
 168                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 169                                         msg.replyTo = mMessenger;
 170                                         mService.send(msg);
 171                                 } catch (RemoteException e) {
 172                                         // There is nothing special we need to do if the service has crashed.
 173                                 }
 174                         }
 175                         // Detach our existing connection.
 176                         unbindService(mConnection);
 177                         mIsBound = false;
 178                 }
 179         }
 180
 181         void update_ui(AltosState state) {
 182                 mCallsignView.setText(state.data.callsign);
 183                 mRSSIView.setText(String.format("%d", state.data.rssi));
 184                 mSerialView.setText(String.format("%d", state.data.serial));
 185                 mFlightView.setText(String.format("%d", state.data.flight));
 186                 mStateView.setText(state.data.state());
 187                 double speed = state.speed;
 188                 if (!state.ascent)
 189                         speed = state.baro_speed;
 190                 mSpeedView.setText(String.format("%6.0f m/s", speed));
 191                 mAccelView.setText(String.format("%6.0f m/s²", state.acceleration));
 192                 mRangeView.setText(String.format("%6.0f m", state.range));
 193                 mHeightView.setText(String.format("%6.0f m", state.height));
 194                 mElevationView.setText(String.format("%3.0f°", state.elevation));
 195                 if (state.from_pad != null)
 196                         mBearingView.setText(String.format("%3.0f°", state.from_pad.bearing));
 197                 mLatitudeView.setText(pos(state.gps.lat, "N", "S"));
 198                 mLongitudeView.setText(pos(state.gps.lon, "W", "E"));
 199
 200                 mAltosVoice.tell(state);
 201         }
 202
 203         String pos(double p, String pos, String neg) {
 204                 String  h = pos;
 205                 if (p < 0) {
 206                         h = neg;
 207                         p = -p;
 208                 }
 209                 int deg = (int) Math.floor(p);
 210                 double min = (p - Math.floor(p)) * 60.0;
 211                 return String.format("%d° %9.6f\" %s", deg, min, h);
 212         }
 213
 214         @Override
 215         public void onCreate(Bundle savedInstanceState) {
 216                 super.onCreate(savedInstanceState);
 217                 if(D) Log.e(TAG, "+++ ON CREATE +++");
 218
 219                 // Get local Bluetooth adapter
 220                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 221
 222                 // If the adapter is null, then Bluetooth is not supported
 223                 if (mBluetoothAdapter == null) {
 224                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 225                         finish();
 226                         return;
 227                 }
 228
 229                 // Set up the window layout
 230                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 231                 //setContentView(R.layout.main);
 232                 setContentView(R.layout.altosdroid);
 233                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 234
 235                 // Set up the custom title
 236                 mTitle = (TextView) findViewById(R.id.title_left_text);
 237                 mTitle.setText(R.string.app_name);
 238                 mTitle = (TextView) findViewById(R.id.title_right_text);
 239
 240                 // Set up the temporary Text View
 241                 mTextView = (TextView) findViewById(R.id.text);
 242                 mTextView.setMovementMethod(new ScrollingMovementMethod());
 243                 mTextView.setClickable(false);
 244                 mTextView.setLongClickable(false);
 245
 246                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 247                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 248                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 249                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 250                 mStateView     = (TextView) findViewById(R.id.state_value);
 251                 mSpeedView     = (TextView) findViewById(R.id.speed_value);
 252                 mAccelView     = (TextView) findViewById(R.id.accel_value);
 253                 mRangeView     = (TextView) findViewById(R.id.range_value);
 254                 mHeightView    = (TextView) findViewById(R.id.height_value);
 255                 mElevationView = (TextView) findViewById(R.id.elevation_value);
 256                 mBearingView   = (TextView) findViewById(R.id.bearing_value);
 257                 mLatitudeView  = (TextView) findViewById(R.id.latitude_value);
 258                 mLongitudeView = (TextView) findViewById(R.id.longitude_value);
 259
 260                 mAltosVoice = new AltosVoice(this);
 261         }
 262
 263         @Override
 264         public void onStart() {
 265                 super.onStart();
 266                 if(D) Log.e(TAG, "++ ON START ++");
 267
 268                 if (!mBluetoothAdapter.isEnabled()) {
 269                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 270                         startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
 271                 }
 272
 273                 // Start Telemetry Service
 274                 startService(new Intent(AltosDroid.this, TelemetryService.class));
 275
 276                 doBindService();
 277         }
 278
 279         @Override
 280         public synchronized void onResume() {
 281                 super.onResume();
 282                 if(D) Log.e(TAG, "+ ON RESUME +");
 283         }
 284
 285         @Override
 286         public synchronized void onPause() {
 287                 super.onPause();
 288                 if(D) Log.e(TAG, "- ON PAUSE -");
 289         }
 290
 291         @Override
 292         public void onStop() {
 293                 super.onStop();
 294                 if(D) Log.e(TAG, "-- ON STOP --");
 295
 296                 doUnbindService();
 297         }
 298
 299         @Override
 300         public void onDestroy() {
 301                 super.onDestroy();
 302                 if(D) Log.e(TAG, "--- ON DESTROY ---");
 303
 304                 mAltosVoice.stop();
 305         }
 306
 307
 308
 309
 310         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 311                 if(D) Log.d(TAG, "onActivityResult " + resultCode);
 312                 switch (requestCode) {
 313                 case REQUEST_CONNECT_DEVICE:
 314                         // When DeviceListActivity returns with a device to connect to
 315                         if (resultCode == Activity.RESULT_OK) {
 316                                 connectDevice(data);
 317                         }
 318                         break;
 319                 case REQUEST_ENABLE_BT:
 320                         // When the request to enable Bluetooth returns
 321                         if (resultCode == Activity.RESULT_OK) {
 322                                 // Bluetooth is now enabled, so set up a chat session
 323                                 //setupChat();
 324                         } else {
 325                                 // User did not enable Bluetooth or an error occured
 326                                 Log.e(TAG, "BT not enabled");
 327                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 328                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 329                                 finish();
 330                         }
 331                         break;
 332                 }
 333         }
 334
 335         private void connectDevice(Intent data) {
 336                 // Get the device MAC address
 337                 String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 338                 // Get the BLuetoothDevice object
 339                 BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
 340                 // Attempt to connect to the device
 341                 try {
 342                         if (D) Log.d(TAG, "Connecting to " + device.getName());
 343                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
 344                 } catch (RemoteException e) {
 345                 }
 346         }
 347
 348         @Override
 349         public boolean onCreateOptionsMenu(Menu menu) {
 350                 MenuInflater inflater = getMenuInflater();
 351                 inflater.inflate(R.menu.option_menu, menu);
 352                 return true;
 353         }
 354
 355         @Override
 356         public boolean onOptionsItemSelected(MenuItem item) {
 357                 Intent serverIntent = null;
 358                 switch (item.getItemId()) {
 359                 case R.id.connect_scan:
 360                         // Launch the DeviceListActivity to see devices and do scan
 361                         serverIntent = new Intent(this, DeviceListActivity.class);
 362                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 363                         return true;
 364                 }
 365                 return false;
 366         }
 367
 368 }