+ private TextView mFlightView;
+ private RelativeLayout mStateLayout;
+ private TextView mStateView;
+ private TextView mAgeView;
+
+ // field to display the version at the bottom of the screen
+ private TextView mVersion;
+
+ private double frequency;
+ private int telemetry_rate;
+
+ // Tabs
+ TabHost mTabHost;
+ AltosViewPager mViewPager;
+ TabsAdapter mTabsAdapter;
+ ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
+ int tabHeight;
+
+ // Timer and Saved flight state for Age calculation
+ private Timer timer;
+ AltosState saved_state;
+
+ UsbDevice pending_usb_device;
+ boolean start_with_usb;
+
+ // Service
+ private boolean mIsBound = false;
+ private Messenger mService = null;
+ final Messenger mMessenger = new Messenger(new IncomingHandler(this));
+
+ // Text to Speech
+ private AltosVoice mAltosVoice = null;
+
+ // The Handler that gets information back from the Telemetry Service
+ static class IncomingHandler extends Handler {
+ private final WeakReference<AltosDroid> mAltosDroid;
+ IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
+
+ @Override
+ public void handleMessage(Message msg) {
+ AltosDroid ad = mAltosDroid.get();
+
+ switch (msg.what) {
+ case MSG_STATE:
+ AltosDebug.debug("MSG_STATE");
+ TelemetryState telemetry_state = (TelemetryState) msg.obj;
+ if (telemetry_state == null) {
+ AltosDebug.debug("telemetry_state null!");
+ return;
+ }
+
+ ad.update_state(telemetry_state);
+ break;
+ case MSG_UPDATE_AGE:
+ AltosDebug.debug("MSG_UPDATE_AGE");
+ ad.update_age();
+ break;
+ }
+ }
+ };
+
+
+ private ServiceConnection mConnection = new ServiceConnection() {
+ public void onServiceConnected(ComponentName className, IBinder service) {
+ mService = new Messenger(service);
+ try {
+ Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
+ msg.replyTo = mMessenger;
+ mService.send(msg);
+ } catch (RemoteException e) {
+ // In this case the service has crashed before we could even do anything with it
+ }
+ if (pending_usb_device != null) {
+ try {
+ mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, pending_usb_device));
+ pending_usb_device = null;
+ } catch (RemoteException e) {
+ }
+ }
+ }
+
+ public void onServiceDisconnected(ComponentName className) {
+ // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
+ mService = null;
+ }
+ };
+
+ void doBindService() {
+ bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
+ mIsBound = true;
+ }
+
+ void doUnbindService() {
+ if (mIsBound) {
+ // If we have received the service, and hence registered with it, then now is the time to unregister.
+ if (mService != null) {
+ try {
+ Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
+ msg.replyTo = mMessenger;
+ mService.send(msg);
+ } catch (RemoteException e) {
+ // There is nothing special we need to do if the service has crashed.
+ }
+ }
+ // Detach our existing connection.
+ unbindService(mConnection);
+ mIsBound = false;
+ }
+ }
+
+ public void registerTab(AltosDroidTab mTab) {
+ mTabs.add(mTab);
+ }
+
+ public void unregisterTab(AltosDroidTab mTab) {
+ mTabs.remove(mTab);
+ }
+
+ public void units_changed(boolean imperial_units) {
+ for (AltosDroidTab mTab : mTabs)
+ mTab.units_changed(imperial_units);
+ }
+
+ void update_title(TelemetryState telemetry_state) {
+ switch (telemetry_state.connect) {
+ case TelemetryState.CONNECT_CONNECTED:
+ if (telemetry_state.config != null) {
+ String str = String.format("S/N %d %6.3f MHz", telemetry_state.config.serial,
+ telemetry_state.frequency);
+ if (telemetry_state.telemetry_rate != AltosLib.ao_telemetry_rate_38400)
+ str = str.concat(String.format(" %d bps",
+ AltosLib.ao_telemetry_rate_values[telemetry_state.telemetry_rate]));
+ mTitle.setText(str);
+ } else {
+ mTitle.setText(R.string.title_connected_to);
+ }
+ break;
+ case TelemetryState.CONNECT_CONNECTING:
+ if (telemetry_state.address != null)
+ mTitle.setText(String.format("Connecting to %s...", telemetry_state.address.name));
+ else
+ mTitle.setText("Connecting to something...");
+ break;
+ case TelemetryState.CONNECT_DISCONNECTED:
+ case TelemetryState.CONNECT_NONE:
+ mTitle.setText(R.string.title_not_connected);
+ break;
+ }
+ }
+
+ void start_timer() {
+ if (timer == null) {
+ timer = new Timer();
+ timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 1000L);
+ }
+ }
+
+ void stop_timer() {
+ if (timer != null) {
+ timer.cancel();
+ timer.purge();
+ timer = null;
+ }
+ }
+
+ boolean registered_units_listener;
+
+ void update_state(TelemetryState telemetry_state) {
+
+ if (!registered_units_listener) {
+ registered_units_listener = true;
+ AltosPreferences.register_units_listener(this);
+ }
+
+ update_title(telemetry_state);
+ update_ui(telemetry_state.state, telemetry_state.location);
+ if (telemetry_state.connect == TelemetryState.CONNECT_CONNECTED)
+ start_timer();
+ }
+
+ boolean same_string(String a, String b) {
+ if (a == null) {
+ if (b == null)
+ return true;
+ return false;
+ } else {
+ if (b == null)
+ return false;
+ return a.equals(b);
+ }
+ }
+
+ void update_age() {
+ if (saved_state != null)
+ mAgeView.setText(String.format("%d", (System.currentTimeMillis() - saved_state.received_time + 500) / 1000));
+ }
+
+ void update_ui(AltosState state, Location location) {
+
+ int prev_state = AltosLib.ao_flight_invalid;
+
+ AltosGreatCircle from_receiver = null;
+
+ if (saved_state != null)
+ prev_state = saved_state.state;
+
+ if (state != null) {
+ if (state.state == AltosLib.ao_flight_stateless) {
+ boolean prev_locked = false;
+ boolean locked = false;
+
+ if(state.gps != null)
+ locked = state.gps.locked;
+ if (saved_state != null && saved_state.gps != null)
+ prev_locked = saved_state.gps.locked;
+ if (prev_locked != locked) {
+ String currentTab = mTabHost.getCurrentTabTag();
+ if (locked) {
+ if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
+ } else {
+ if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("pad");
+ }
+ }
+ } else {
+ if (prev_state != state.state) {
+ String currentTab = mTabHost.getCurrentTabTag();
+ switch (state.state) {
+ case AltosLib.ao_flight_boost:
+ if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("ascent");
+ break;
+ case AltosLib.ao_flight_drogue:
+ if (currentTab.equals("ascent")) mTabHost.setCurrentTabByTag("descent");
+ break;
+ case AltosLib.ao_flight_landed:
+ if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("landed");
+ break;
+ case AltosLib.ao_flight_stateless:
+ if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
+ break;
+ }
+ }
+ }
+
+ if (location != null && state.gps != null && state.gps.locked) {
+ double altitude = 0;
+ if (location.hasAltitude())
+ altitude = location.getAltitude();
+ from_receiver = new AltosGreatCircle(location.getLatitude(),
+ location.getLongitude(),
+ altitude,
+ state.gps.lat,
+ state.gps.lon,
+ state.gps.alt);
+ }
+
+ if (saved_state == null || !same_string(saved_state.callsign, state.callsign)) {
+ mCallsignView.setText(state.callsign);
+ }
+ if (saved_state == null || state.serial != saved_state.serial) {
+ mSerialView.setText(String.format("%d", state.serial));
+ }
+ if (saved_state == null || state.flight != saved_state.flight) {
+ if (state.flight == AltosLib.MISSING)
+ mFlightView.setText("");
+ else
+ mFlightView.setText(String.format("%d", state.flight));
+ }
+ if (saved_state == null || state.state != saved_state.state) {
+ if (state.state == AltosLib.ao_flight_stateless) {
+ mStateLayout.setVisibility(View.GONE);
+ } else {
+ mStateView.setText(state.state_name());
+ mStateLayout.setVisibility(View.VISIBLE);
+ }
+ }
+ if (saved_state == null || state.rssi != saved_state.rssi) {
+ mRSSIView.setText(String.format("%d", state.rssi));
+ }
+ }
+
+ for (AltosDroidTab mTab : mTabs)
+ mTab.update_ui(state, from_receiver, location, mTab == mTabsAdapter.currentItem());
+
+ if (state != null && mAltosVoice != null)
+ mAltosVoice.tell(state, from_receiver);
+
+ saved_state = state;
+ }
+
+ private void onTimerTick() {
+ try {
+ mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
+ } catch (RemoteException e) {
+ }
+ }
+
+ static String pos(double p, String pos, String neg) {
+ String h = pos;
+ if (p == AltosLib.MISSING)
+ return "";
+ if (p < 0) {
+ h = neg;
+ p = -p;
+ }
+ int deg = (int) Math.floor(p);
+ double min = (p - Math.floor(p)) * 60.0;
+ return String.format("%d°%9.4f\" %s", deg, min, h);
+ }
+
+ static String number(String format, double value) {
+ if (value == AltosLib.MISSING)
+ return "";
+ return String.format(format, value);
+ }
+
+ static String integer(String format, int value) {
+ if (value == AltosLib.MISSING)
+ return "";
+ return String.format(format, value);
+ }
+
+ private View create_tab_view(String label) {
+ LayoutInflater inflater = (LayoutInflater) this.getLayoutInflater();
+ View tab_view = inflater.inflate(R.layout.tab_layout, null);
+ TextView text_view = (TextView) tab_view.findViewById (R.id.tabLabel);
+ text_view.setText(label);
+ return tab_view;
+ }