altosdroid: Add 'Auto' to map tracker list
[fw/altos] / altosdroid / src / org / altusmetrum / AltosDroid / AltosDroid.java
index 18f364fa5239725df6a5057c2a38715e1527cdfc..71ac298e77b6d6000d4620db1a16eddd57871b5b 100644 (file)
 package org.altusmetrum.AltosDroid;
 
 import java.lang.ref.WeakReference;
-import java.util.ArrayList;
-import java.util.Timer;
-import java.util.TimerTask;
+import java.text.*;
+import java.util.*;
+import java.io.*;
 
 import android.app.Activity;
+import android.app.PendingIntent;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.Intent;
@@ -36,75 +37,88 @@ import android.os.Handler;
 import android.os.Message;
 import android.os.Messenger;
 import android.os.RemoteException;
+import android.content.res.Resources;
 import android.support.v4.app.FragmentActivity;
-import android.support.v4.view.ViewPager;
-import android.util.Log;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.Window;
-import android.widget.TabHost;
-import android.widget.TextView;
-import android.widget.Toast;
+import android.support.v4.app.FragmentManager;
+import android.util.DisplayMetrics;
+import android.view.*;
+import android.widget.*;
 import android.app.AlertDialog;
 import android.location.Location;
+import android.hardware.usb.*;
+import android.graphics.*;
+import android.graphics.drawable.*;
 
-import org.altusmetrum.altoslib_1.*;
+import org.altusmetrum.altoslib_7.*;
 
-public class AltosDroid extends FragmentActivity {
-       // Debugging
-       private static final String TAG = "AltosDroid";
-       private static final boolean D = true;
+public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
+
+       // Actions sent to the telemetry server at startup time
+
+       public static final String ACTION_BLUETOOTH = "org.altusmetrum.AltosDroid.BLUETOOTH";
+       public static final String ACTION_USB = "org.altusmetrum.AltosDroid.USB";
 
        // Message types received by our Handler
-       public static final int MSG_STATE_CHANGE    = 1;
-       public static final int MSG_TELEMETRY       = 2;
-       public static final int MSG_UPDATE_AGE      = 3;
-       public static final int MSG_LOCATION        = 4;
-       public static final int MSG_CRC_ERROR       = 5;
+
+       public static final int MSG_STATE           = 1;
+       public static final int MSG_UPDATE_AGE      = 2;
 
        // Intent request codes
-       private static final int REQUEST_CONNECT_DEVICE = 1;
-       private static final int REQUEST_ENABLE_BT      = 2;
+       public static final int REQUEST_CONNECT_DEVICE = 1;
+       public static final int REQUEST_ENABLE_BT      = 2;
+       public static final int REQUEST_PRELOAD_MAPS   = 3;
+       public static final int REQUEST_MAP_TYPE       = 4;
+
+       public int map_type = AltosMap.maptype_hybrid;
 
-       // Layout Views
-       private TextView mTitle;
+       public static FragmentManager   fm;
+
+       private BluetoothAdapter mBluetoothAdapter = null;
 
        // Flight state values
        private TextView mCallsignView;
        private TextView mRSSIView;
        private TextView mSerialView;
        private TextView mFlightView;
+       private RelativeLayout mStateLayout;
        private TextView mStateView;
        private TextView mAgeView;
+       private boolean  mAgeViewOld;
+       private int mAgeNewColor;
+       private int mAgeOldColor;
+
+       public static final String      tab_pad_name = "pad";
+       public static final String      tab_flight_name = "flight";
+       public static final String      tab_recover_name = "recover";
+       public static final String      tab_map_name = "map";
 
        // 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;
+       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 = new Timer();
+       private Timer timer;
        AltosState saved_state;
-       Location saved_location;
+       TelemetryState  telemetry_state;
+       Integer[]       serials;
+
+       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));
 
-       // Preferences
-       private AltosDroidPreferences prefs = null;
-
-       // TeleBT Config data
-       private AltosConfigData mConfigData = null;
-       // Local Bluetooth adapter
-       private BluetoothAdapter mBluetoothAdapter = null;
-
        // Text to Speech
        private AltosVoice mAltosVoice = null;
 
@@ -116,38 +130,17 @@ public class AltosDroid extends FragmentActivity {
                @Override
                public void handleMessage(Message msg) {
                        AltosDroid ad = mAltosDroid.get();
+
                        switch (msg.what) {
-                       case MSG_STATE_CHANGE:
-                               if(D) Log.d(TAG, "MSG_STATE_CHANGE: " + msg.arg1);
-                               switch (msg.arg1) {
-                               case TelemetryService.STATE_CONNECTED:
-                                       ad.mConfigData = (AltosConfigData) msg.obj;
-                                       String str = String.format(" %s S/N: %d", ad.mConfigData.product, ad.mConfigData.serial);
-                                       ad.mTitle.setText(R.string.title_connected_to);
-                                       ad.mTitle.append(str);
-                                       Toast.makeText(ad.getApplicationContext(), "Connected to " + str, Toast.LENGTH_SHORT).show();
-                                       break;
-                               case TelemetryService.STATE_CONNECTING:
-                                       ad.mTitle.setText(R.string.title_connecting);
-                                       break;
-                               case TelemetryService.STATE_READY:
-                               case TelemetryService.STATE_NONE:
-                                       ad.mConfigData = null;
-                                       ad.mTitle.setText(R.string.title_not_connected);
-                                       break;
+                       case MSG_STATE:
+                               if (msg.obj == null) {
+                                       AltosDebug.debug("telemetry_state null!");
+                                       return;
                                }
+                               ad.update_state((TelemetryState) msg.obj);
                                break;
-                       case MSG_TELEMETRY:
-                               ad.update_ui((AltosState) msg.obj);
-                               break;
-                       case MSG_LOCATION:
-                               ad.set_location((Location) msg.obj);
-                               break;
-                       case MSG_CRC_ERROR:
                        case MSG_UPDATE_AGE:
-                               if (ad.saved_state != null) {
-                                       ad.mAgeView.setText(String.format("%d", (System.currentTimeMillis() - ad.saved_state.report_time + 500) / 1000));
-                               }
+                               ad.update_age();
                                break;
                        }
                }
@@ -164,6 +157,13 @@ public class AltosDroid extends FragmentActivity {
                        } 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) {
@@ -203,57 +203,271 @@ public class AltosDroid extends FragmentActivity {
                mTabs.remove(mTab);
        }
 
-       void set_location(Location location) {
-               saved_location = location;
-               update_ui(saved_state);
+       public void units_changed(boolean imperial_units) {
+               for (AltosDroidTab mTab : mTabs)
+                       mTab.units_changed(imperial_units);
        }
 
-       void update_ui(AltosState state) {
-               if (state != null && saved_state != null) {
-                       if (saved_state.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;
+       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]));
+                               setTitle(str);
+                       } else {
+                               setTitle(R.string.title_connected_to);
+                       }
+                       break;
+               case TelemetryState.CONNECT_CONNECTING:
+                       if (telemetry_state.address != null)
+                               setTitle(String.format("Connecting to %s...", telemetry_state.address.name));
+                       else
+                               setTitle("Connecting to something...");
+                       break;
+               case TelemetryState.CONNECT_DISCONNECTED:
+               case TelemetryState.CONNECT_NONE:
+                       setTitle(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;
+               }
+       }
+
+       int     selected_serial = 0;
+       int     current_serial;
+       long    switch_time;
+
+       void set_switch_time() {
+               switch_time = System.currentTimeMillis();
+               selected_serial = 0;
+       }
+
+       boolean registered_units_listener;
+
+       void update_state(TelemetryState new_telemetry_state) {
+
+               if (new_telemetry_state != null)
+                       telemetry_state = new_telemetry_state;
+
+               if (selected_serial != 0)
+                       current_serial = selected_serial;
+
+               if (current_serial == 0)
+                       current_serial = telemetry_state.latest_serial;
+
+               if (!registered_units_listener) {
+                       registered_units_listener = true;
+                       AltosPreferences.register_units_listener(this);
+               }
+
+               serials = telemetry_state.states.keySet().toArray(new Integer[0]);
+               Arrays.sort(serials);
+
+               update_title(telemetry_state);
+
+               AltosState      state = null;
+               boolean         aged = true;
+
+               if (telemetry_state.states.containsKey(current_serial)) {
+                       state = telemetry_state.states.get(current_serial);
+                       int age = state_age(state);
+                       if (age < 20)
+                               aged = false;
+                       if (current_serial == selected_serial)
+                               aged = false;
+                       else if (switch_time != 0 && (switch_time - state.received_time) > 0)
+                               aged = true;
+               }
+
+               if (aged) {
+                       AltosState      newest_state = null;
+                       int             newest_age = 0;
+
+                       for (int serial : telemetry_state.states.keySet()) {
+                               AltosState      existing = telemetry_state.states.get(serial);
+                               int             existing_age = state_age(existing);
+
+                               if (newest_state == null || existing_age < newest_age) {
+                                       newest_state = existing;
+                                       newest_age = existing_age;
                                }
                        }
+
+                       if (newest_state != null)
+                               state = newest_state;
                }
-               saved_state = state;
 
-               AltosGreatCircle from_receiver = null;
+               update_ui(telemetry_state, state, telemetry_state.location);
 
-               if (state != null && saved_location != null && state.gps != null && state.gps.locked) {
-                       double altitude = 0;
-                       if (saved_location.hasAltitude())
-                               altitude = saved_location.getAltitude();
-                       from_receiver = new AltosGreatCircle(saved_location.getLatitude(),
-                                                            saved_location.getLongitude(),
-                                                            altitude,
-                                                            state.gps.lat,
-                                                            state.gps.lon,
-                                                            state.gps.alt);
+               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);
+               }
+       }
+
+
+       private int blend_component(int a, int b, double r, int shift, int mask) {
+               return ((int) (((a >> shift) & mask) * r + ((b >> shift) & mask) * (1 - r)) & mask) << shift;
+       }
+       private int blend_color(int a, int b, double r) {
+               return (blend_component(a, b, r, 0, 0xff) |
+                       blend_component(a, b, r, 8, 0xff) |
+                       blend_component(a, b, r, 16, 0xff) |
+                       blend_component(a, b, r, 24, 0xff));
+       }
+
+       int state_age(AltosState state) {
+               return (int) ((System.currentTimeMillis() - state.received_time + 500) / 1000);
+       }
+
+       void set_screen_on(int age) {
+               if (age < 60)
+                       getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+               else
+                       getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+       }
+
+       void update_age() {
+               if (saved_state != null) {
+                       int age = state_age(saved_state);
+
+                       double age_scale = age / 100.0;
+
+                       if (age_scale > 1.0)
+                               age_scale = 1.0;
+
+                       mAgeView.setTextColor(blend_color(mAgeOldColor, mAgeNewColor, age_scale));
+
+                       set_screen_on(age);
+
+                       String  text;
+                       if (age < 60)
+                               text = String.format("%ds", age);
+                       else if (age < 60 * 60)
+                               text = String.format("%dm", age / 60);
+                       else if (age < 60 * 60 * 24)
+                               text = String.format("%dh", age / (60 * 60));
+                       else
+                               text = String.format("%dd", age / (24 * 60 * 60));
+                       mAgeView.setText(text);
                }
+       }
+
+       void update_ui(TelemetryState telem_state, 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) {
-                       mCallsignView.setText(state.data.callsign);
-                       mSerialView.setText(String.format("%d", state.data.serial));
-                       mFlightView.setText(String.format("%d", state.data.flight));
-                       mStateView.setText(state.data.state());
-                       mRSSIView.setText(String.format("%d", state.data.rssi));
+                       set_screen_on(state_age(state));
+
+                       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(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
+                                       } else {
+                                               if (currentTab.equals(tab_flight_name)) mTabHost.setCurrentTabByTag(tab_pad_name);
+                                       }
+                               }
+                       } else {
+                               if (prev_state != state.state) {
+                                       String currentTab = mTabHost.getCurrentTabTag();
+                                       switch (state.state) {
+                                       case AltosLib.ao_flight_boost:
+                                               if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
+                                               break;
+                                       case AltosLib.ao_flight_landed:
+                                               if (currentTab.equals(tab_flight_name)) mTabHost.setCurrentTabByTag(tab_recover_name);
+                                               break;
+                                       case AltosLib.ao_flight_stateless:
+                                               if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
+                                               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, saved_location);
+                       mTab.update_ui(telem_state, state, from_receiver, location, mTab == mTabsAdapter.currentItem());
+
+               if (mAltosVoice != null)
+                       mAltosVoice.tell(telem_state, state, from_receiver, location, (AltosDroidTab) mTabsAdapter.currentItem());
 
-               if (state != null)
-                       mAltosVoice.tell(state);
+               saved_state = state;
        }
 
        private void onTimerTick() {
@@ -265,7 +479,7 @@ public class AltosDroid extends FragmentActivity {
 
        static String pos(double p, String pos, String neg) {
                String  h = pos;
-               if (p == AltosRecord.MISSING)
+               if (p == AltosLib.MISSING)
                        return "";
                if (p < 0) {
                        h = neg;
@@ -277,41 +491,45 @@ public class AltosDroid extends FragmentActivity {
        }
 
        static String number(String format, double value) {
-               if (value == AltosRecord.MISSING)
+               if (value == AltosLib.MISSING)
                        return "";
                return String.format(format, value);
        }
 
        static String integer(String format, int value) {
-               if (value == AltosRecord.MISSING)
+               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;
+       }
+
+       public void set_map_source(int source) {
+               for (AltosDroidTab mTab : mTabs)
+                       mTab.set_map_source(source);
+       }
+
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
-               if(D) Log.e(TAG, "+++ ON CREATE +++");
-
-               // Get local Bluetooth adapter
-               mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
-
-               // If the adapter is null, then Bluetooth is not supported
-               if (mBluetoothAdapter == null) {
-                       Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
-                       finish();
-                       return;
-               }
+               AltosDebug.init(this);
+               AltosDebug.debug("+++ ON CREATE +++");
 
                // Initialise preferences
-               prefs = new AltosDroidPreferences(this);
-               AltosPreferences.init(prefs);
+               AltosDroidPreferences.init(this);
+
+               fm = getSupportFragmentManager();
 
                // Set up the window layout
-               requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
                setContentView(R.layout.altosdroid);
-               getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 
+               // Create the Tabs and ViewPager
                mTabHost = (TabHost)findViewById(android.R.id.tabhost);
                mTabHost.setup();
 
@@ -320,19 +538,10 @@ public class AltosDroid extends FragmentActivity {
 
                mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 
-               mTabsAdapter.addTab(mTabHost.newTabSpec("pad").setIndicator("Pad"), TabPad.class, null);
-               mTabsAdapter.addTab(mTabHost.newTabSpec("ascent").setIndicator("Ascent"), TabAscent.class, null);
-               mTabsAdapter.addTab(mTabHost.newTabSpec("descent").setIndicator("Descent"), TabDescent.class, null);
-               mTabsAdapter.addTab(mTabHost.newTabSpec("landed").setIndicator("Landed"), TabLanded.class, null);
-               mTabsAdapter.addTab(mTabHost.newTabSpec("map").setIndicator("Map"), TabMap.class, null);
-
-               for (int i = 0; i < 5; i++)
-                       mTabHost.getTabWidget().getChildAt(i).getLayoutParams().height = 45;
-
-               // Set up the custom title
-               mTitle = (TextView) findViewById(R.id.title_left_text);
-               mTitle.setText(R.string.app_name);
-               mTitle = (TextView) findViewById(R.id.title_right_text);
+               mTabsAdapter.addTab(mTabHost.newTabSpec(tab_pad_name).setIndicator(create_tab_view("Pad")), TabPad.class, null);
+               mTabsAdapter.addTab(mTabHost.newTabSpec(tab_flight_name).setIndicator(create_tab_view("Flight")), TabFlight.class, null);
+               mTabsAdapter.addTab(mTabHost.newTabSpec(tab_recover_name).setIndicator(create_tab_view("Recover")), TabRecover.class, null);
+               mTabsAdapter.addTab(mTabHost.newTabSpec(tab_map_name).setIndicator(create_tab_view("Map")), TabMap.class, null);
 
                // Display the Version
                mVersion = (TextView) findViewById(R.id.version);
@@ -344,60 +553,161 @@ public class AltosDroid extends FragmentActivity {
                mRSSIView      = (TextView) findViewById(R.id.rssi_value);
                mSerialView    = (TextView) findViewById(R.id.serial_value);
                mFlightView    = (TextView) findViewById(R.id.flight_value);
+               mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
                mStateView     = (TextView) findViewById(R.id.state_value);
                mAgeView       = (TextView) findViewById(R.id.age_value);
+               mAgeNewColor   = mAgeView.getTextColors().getDefaultColor();
+               mAgeOldColor   = getResources().getColor(R.color.old_color);
+       }
 
-               timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 100L);
+       private boolean ensureBluetooth() {
+               // Get local Bluetooth adapter
+               mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 
-               mAltosVoice = new AltosVoice(this);
+               // If the adapter is null, then Bluetooth is not supported
+               if (mBluetoothAdapter == null) {
+                       Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
+                       return false;
+               }
+
+               if (!mBluetoothAdapter.isEnabled()) {
+                       Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
+                       startActivityForResult(enableIntent, AltosDroid.REQUEST_ENABLE_BT);
+               }
+
+               return true;
+       }
+
+       private boolean check_usb() {
+               UsbDevice       device = AltosUsb.find_device(this, AltosLib.product_basestation);
+
+               if (device != null) {
+                       Intent          i = new Intent(this, AltosDroid.class);
+                       PendingIntent   pi = PendingIntent.getActivity(this, 0, new Intent("hello world", null, this, AltosDroid.class), 0);
+
+                       if (AltosUsb.request_permission(this, device, pi)) {
+                               connectUsb(device);
+                       }
+                       start_with_usb = true;
+                       return true;
+               }
+
+               start_with_usb = false;
+
+               return false;
+       }
+
+       private void noticeIntent(Intent intent) {
+
+               /* Ok, this is pretty convenient.
+                *
+                * When a USB device is plugged in, and our 'hotplug'
+                * intent registration fires, we get an Intent with
+                * EXTRA_DEVICE set.
+                *
+                * When we start up and see a usb device and request
+                * permission to access it, that queues a
+                * PendingIntent, which has the EXTRA_DEVICE added in,
+                * along with the EXTRA_PERMISSION_GRANTED field as
+                * well.
+                *
+                * So, in both cases, we get the device name using the
+                * same call. We check to see if access was granted,
+                * in which case we ignore the device field and do our
+                * usual startup thing.
+                */
+
+               UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+               boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
+
+               AltosDebug.debug("intent %s device %s granted %s", intent, device, granted);
+
+               if (!granted)
+                       device = null;
+
+               if (device != null) {
+                       AltosDebug.debug("intent has usb device " + device.toString());
+                       connectUsb(device);
+               } else {
+
+                       /* 'granted' is only false if this intent came
+                        * from the request_permission call and
+                        * permission was denied. In which case, we
+                        * don't want to loop forever...
+                        */
+                       if (granted) {
+                               AltosDebug.debug("check for a USB device at startup");
+                               if (check_usb())
+                                       return;
+                       }
+                       AltosDebug.debug("Starting by looking for bluetooth devices");
+                       if (ensureBluetooth())
+                               return;
+                       finish();
+               }
        }
 
        @Override
        public void onStart() {
                super.onStart();
-               if(D) Log.e(TAG, "++ ON START ++");
+               AltosDebug.debug("++ ON START ++");
 
-               if (!mBluetoothAdapter.isEnabled()) {
-                       Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
-                       startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
-               }
+               set_switch_time();
+
+               noticeIntent(getIntent());
 
                // Start Telemetry Service
-               startService(new Intent(AltosDroid.this, TelemetryService.class));
+               String  action = start_with_usb ? ACTION_USB : ACTION_BLUETOOTH;
+
+               startService(new Intent(action, null, AltosDroid.this, TelemetryService.class));
 
                doBindService();
+
+               if (mAltosVoice == null)
+                       mAltosVoice = new AltosVoice(this);
+
+       }
+
+       @Override
+       public void onNewIntent(Intent intent) {
+               super.onNewIntent(intent);
+               AltosDebug.debug("onNewIntent");
+               noticeIntent(intent);
        }
 
        @Override
-       public synchronized void onResume() {
+       public void onResume() {
                super.onResume();
-               if(D) Log.e(TAG, "+ ON RESUME +");
+               AltosDebug.debug("+ ON RESUME +");
        }
 
        @Override
-       public synchronized void onPause() {
+       public void onPause() {
                super.onPause();
-               if(D) Log.e(TAG, "- ON PAUSE -");
+               AltosDebug.debug("- ON PAUSE -");
        }
 
        @Override
        public void onStop() {
                super.onStop();
-               if(D) Log.e(TAG, "-- ON STOP --");
-
-               doUnbindService();
+               AltosDebug.debug("-- ON STOP --");
        }
 
        @Override
        public void onDestroy() {
                super.onDestroy();
-               if(D) Log.e(TAG, "--- ON DESTROY ---");
+               AltosDebug.debug("--- ON DESTROY ---");
 
-               mAltosVoice.stop();
+               doUnbindService();
+               if (mAltosVoice != null) {
+                       mAltosVoice.stop();
+                       mAltosVoice = null;
+               }
+               stop_timer();
        }
 
-       public void onActivityResult(int requestCode, int resultCode, Intent data) {
-               if(D) Log.d(TAG, "onActivityResult " + resultCode);
+       protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+               AltosDebug.debug("onActivityResult " + resultCode);
                switch (requestCode) {
                case REQUEST_CONNECT_DEVICE:
                        // When DeviceListActivity returns with a device to connect to
@@ -412,28 +722,66 @@ public class AltosDroid extends FragmentActivity {
                                //setupChat();
                        } else {
                                // User did not enable Bluetooth or an error occured
-                               Log.e(TAG, "BT not enabled");
+                               AltosDebug.error("BT not enabled");
                                stopService(new Intent(AltosDroid.this, TelemetryService.class));
                                Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
                                finish();
                        }
                        break;
+               case REQUEST_MAP_TYPE:
+                       if (resultCode == Activity.RESULT_OK)
+                               set_map_type(data);
+                       break;
+               }
+       }
+
+       private void connectUsb(UsbDevice device) {
+               if (mService == null)
+                       pending_usb_device = device;
+               else {
+                       // Attempt to connect to the device
+                       try {
+                               mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, device));
+                               AltosDebug.debug("Sent OPEN_USB message");
+                       } catch (RemoteException e) {
+                               AltosDebug.debug("connect device message failed");
+                       }
                }
        }
 
        private void connectDevice(Intent data) {
-               // Get the device MAC address
-               String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
-               // Get the BLuetoothDevice object
-               BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
                // Attempt to connect to the device
                try {
-                       if (D) Log.d(TAG, "Connecting to " + device.getName());
-                       mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, device));
+                       String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
+                       String name = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_NAME);
+
+                       AltosDebug.debug("Connecting to " + address + " " + name);
+                       DeviceAddress   a = new DeviceAddress(address, name);
+                       mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, a));
+                       AltosDebug.debug("Sent connecting message");
+               } catch (RemoteException e) {
+                       AltosDebug.debug("connect device message failed");
+               }
+       }
+
+       private void disconnectDevice() {
+               try {
+                       mService.send(Message.obtain(null, TelemetryService.MSG_DISCONNECT, null));
                } catch (RemoteException e) {
                }
        }
 
+       private void set_map_type(Intent data) {
+               int type = data.getIntExtra(MapTypeActivity.EXTRA_MAP_TYPE, -1);
+
+               AltosDebug.debug("intent set_map_type %d\n", type);
+               if (type != -1) {
+                       map_type = type;
+                       for (AltosDroidTab mTab : mTabs)
+                               mTab.set_map_type(map_type);
+               }
+       }
+
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                MenuInflater inflater = getMenuInflater();
@@ -444,25 +792,118 @@ public class AltosDroid extends FragmentActivity {
        void setFrequency(double freq) {
                try {
                        mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
+                       set_switch_time();
                } catch (RemoteException e) {
                }
        }
 
        void setFrequency(String freq) {
                try {
-                       setFrequency (Double.parseDouble(freq.substring(11, 17)));
+                       setFrequency (AltosParse.parse_double_net(freq.substring(11, 17)));
+               } catch (ParseException e) {
+               }
+       }
+
+       void setBaud(int baud) {
+               try {
+                       mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
+                       set_switch_time();
+               } catch (RemoteException e) {
+               }
+       }
+
+       void setBaud(String baud) {
+               try {
+                       int     value = Integer.parseInt(baud);
+                       int     rate = AltosLib.ao_telemetry_rate_38400;
+                       switch (value) {
+                       case 2400:
+                               rate = AltosLib.ao_telemetry_rate_2400;
+                               break;
+                       case 9600:
+                               rate = AltosLib.ao_telemetry_rate_9600;
+                               break;
+                       case 38400:
+                               rate = AltosLib.ao_telemetry_rate_38400;
+                               break;
+                       }
+                       setBaud(rate);
                } catch (NumberFormatException e) {
                }
        }
 
+       void select_tracker(int serial) {
+               int i;
+
+               AltosDebug.debug("select tracker %d\n", serial);
+
+               if (serial == selected_serial) {
+                       AltosDebug.debug("%d already selected\n", serial);
+                       return;
+               }
+
+               if (serial != 0) {
+                       for (i = 0; i < serials.length; i++)
+                               if (serials[i] == serial)
+                                       break;
+
+                       if (i == serials.length) {
+                               AltosDebug.debug("attempt to select unknown tracker %d\n", serial);
+                               return;
+                       }
+               }
+
+               current_serial = selected_serial = serial;
+               update_state(null);
+       }
+
+       void touch_trackers(Integer[] serials) {
+               AlertDialog.Builder builder_tracker = new AlertDialog.Builder(this);
+               builder_tracker.setTitle("Select Tracker");
+               final String[] trackers = new String[serials.length + 1];
+               trackers[0] = "Auto";
+               for (int i = 0; i < serials.length; i++)
+                       trackers[i+1] = String.format("%d", serials[i]);
+               builder_tracker.setItems(trackers,
+                                        new DialogInterface.OnClickListener() {
+                                                public void onClick(DialogInterface dialog, int item) {
+                                                        if (item == 0)
+                                                                select_tracker(0);
+                                                        else
+                                                                select_tracker(Integer.parseInt(trackers[item]));
+                                                }
+                                        });
+               AlertDialog alert_tracker = builder_tracker.create();
+               alert_tracker.show();
+       }
+
+       void delete_track(int serial) {
+               try {
+                       mService.send(Message.obtain(null, TelemetryService.MSG_DELETE_SERIAL, (Integer) serial));
+               } catch (Exception ex) {
+               }
+       }
+
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
                Intent serverIntent = null;
                switch (item.getItemId()) {
                case R.id.connect_scan:
-                       // Launch the DeviceListActivity to see devices and do scan
-                       serverIntent = new Intent(this, DeviceListActivity.class);
-                       startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
+                       if (ensureBluetooth()) {
+                               // Launch the DeviceListActivity to see devices and do scan
+                               serverIntent = new Intent(this, DeviceListActivity.class);
+                               startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
+                       }
+                       return true;
+               case R.id.disconnect:
+                       /* Disconnect the device
+                        */
+                       disconnectDevice();
+                       return true;
+               case R.id.quit:
+                       AltosDebug.debug("R.id.quit");
+                       disconnectDevice();
+                       finish();
                        return true;
                case R.id.select_freq:
                        // Set the TBT radio frequency
@@ -480,19 +921,127 @@ public class AltosDroid extends FragmentActivity {
                                "Channel 9 (435.450MHz)"
                        };
 
-                       AlertDialog.Builder builder = new AlertDialog.Builder(this);
-                       builder.setTitle("Pick a frequency");
-                       builder.setItems(frequencies,
+                       AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
+                       builder_freq.setTitle("Pick a frequency");
+                       builder_freq.setItems(frequencies,
                                         new DialogInterface.OnClickListener() {
                                                 public void onClick(DialogInterface dialog, int item) {
                                                         setFrequency(frequencies[item]);
                                                 }
                                         });
-                       AlertDialog alert = builder.create();
-                       alert.show();
+                       AlertDialog alert_freq = builder_freq.create();
+                       alert_freq.show();
+                       return true;
+               case R.id.select_rate:
+                       // Set the TBT baud rate
+
+                       final String[] rates = {
+                               "38400",
+                               "9600",
+                               "2400",
+                       };
+
+                       AlertDialog.Builder builder_rate = new AlertDialog.Builder(this);
+                       builder_rate.setTitle("Pick a baud rate");
+                       builder_rate.setItems(rates,
+                                        new DialogInterface.OnClickListener() {
+                                                public void onClick(DialogInterface dialog, int item) {
+                                                        setBaud(rates[item]);
+                                                }
+                                        });
+                       AlertDialog alert_rate = builder_rate.create();
+                       alert_rate.show();
+                       return true;
+               case R.id.change_units:
+                       boolean imperial = AltosPreferences.imperial_units();
+                       AltosPreferences.set_imperial_units(!imperial);
+                       return true;
+               case R.id.preload_maps:
+                       serverIntent = new Intent(this, PreloadMapActivity.class);
+                       startActivityForResult(serverIntent, REQUEST_PRELOAD_MAPS);
+                       return true;
+               case R.id.map_type:
+                       serverIntent = new Intent(this, MapTypeActivity.class);
+                       startActivityForResult(serverIntent, REQUEST_MAP_TYPE);
+                       return true;
+               case R.id.map_source:
+                       int source = AltosDroidPreferences.map_source();
+                       int new_source = source == AltosDroidPreferences.MAP_SOURCE_ONLINE ? AltosDroidPreferences.MAP_SOURCE_OFFLINE : AltosDroidPreferences.MAP_SOURCE_ONLINE;
+                       AltosDroidPreferences.set_map_source(new_source);
+                       set_map_source(new_source);
+                       return true;
+               case R.id.select_tracker:
+                       if (serials != null) {
+                               String[] trackers = new String[serials.length+1];
+                               trackers[0] = "Auto";
+                               for (int i = 0; i < serials.length; i++)
+                                       trackers[i+1] = String.format("%d", serials[i]);
+                               AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
+                               builder_serial.setTitle("Select a tracker");
+                               builder_serial.setItems(trackers,
+                                                       new DialogInterface.OnClickListener() {
+                                                               public void onClick(DialogInterface dialog, int item) {
+                                                                       if (item == 0)
+                                                                               select_tracker(0);
+                                                                       else
+                                                                               select_tracker(serials[item-1]);
+                                                               }
+                                                       });
+                               AlertDialog alert_serial = builder_serial.create();
+                               alert_serial.show();
+
+                       }
+                       return true;
+               case R.id.delete_track:
+                       if (serials != null) {
+                               String[] trackers = new String[serials.length];
+                               for (int i = 0; i < serials.length; i++)
+                                       trackers[i] = String.format("%d", serials[i]);
+                               AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
+                               builder_serial.setTitle("Delete a track");
+                               builder_serial.setItems(trackers,
+                                                       new DialogInterface.OnClickListener() {
+                                                               public void onClick(DialogInterface dialog, int item) {
+                                                                       delete_track(serials[item]);
+                                                               }
+                                                       });
+                               AlertDialog alert_serial = builder_serial.create();
+                               alert_serial.show();
+
+                       }
                        return true;
                }
                return false;
        }
 
+       static String direction(AltosGreatCircle from_receiver,
+                            Location receiver) {
+               if (from_receiver == null)
+                       return null;
+
+               if (receiver == null)
+                       return null;
+
+               if (!receiver.hasBearing())
+                       return null;
+
+               float   bearing = receiver.getBearing();
+               float   heading = (float) from_receiver.bearing - bearing;
+
+               while (heading <= -180.0f)
+                       heading += 360.0f;
+               while (heading > 180.0f)
+                       heading -= 360.0f;
+
+               int iheading = (int) (heading + 0.5f);
+
+               if (-1 < iheading && iheading < 1)
+                       return "ahead";
+               else if (iheading < -179 || 179 < iheading)
+                       return "backwards";
+               else if (iheading < 0)
+                       return String.format("left %d°", -iheading);
+               else
+                       return String.format("right %d°", iheading);
+       }
 }