altosdroid: Track device location in app, not telemetry service

[fw/altos] / altosdroid / src / org / altusmetrum / AltosDroid / AltosDroid.java

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java b/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java
index f317f31da5803b5002fff50e2743e44a00390920..855133253cd36e6ae142c3316698cae48fb7dc4d 100644 (file)
--- a/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java
@@ -45,13 +45,15 @@ import android.view.*;
 import android.widget.*;
 import android.app.AlertDialog;
 import android.location.Location;
+import android.location.LocationManager;
+import android.location.LocationListener;
 import android.hardware.usb.*;
 import android.graphics.*;
 import android.graphics.drawable.*;
 
 import org.altusmetrum.altoslib_10.*;
 
-public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
+public class AltosDroid extends FragmentActivity implements AltosUnitsListener, LocationListener {
 
        // Actions sent to the telemetry server at startup time
 
@@ -98,6 +100,8 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
        private double frequency;
        private int telemetry_rate;
 
+       public Location location = null;
+
        // Tabs
        TabHost         mTabHost;
        AltosViewPager  mViewPager;
@@ -314,7 +318,7 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
                                state = newest_state;
                }
 
-               update_ui(telemetry_state, state, telemetry_state.location);
+               update_ui(telemetry_state, state);
 
                start_timer();
        }
@@ -379,7 +383,7 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
                }
        }
 
-       void update_ui(TelemetryState telem_state, AltosState state, Location location) {
+       void update_ui(TelemetryState telem_state, AltosState state) {
 
                int prev_state = AltosLib.ao_flight_invalid;
 
@@ -679,12 +683,26 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
        public void onResume() {
                super.onResume();
                AltosDebug.debug("+ ON RESUME +");
+
+               // Listen for GPS and Network position updates
+               LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
+               locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 1, this);
+
+               location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
+
+               AltosDebug.debug("Resume, location is %f,%f\n",
+                                location.getLatitude(),
+                                location.getLongitude());
+
+               update_ui(telemetry_state, saved_state);
        }
 
        @Override
        public void onPause() {
                super.onPause();
                AltosDebug.debug("- ON PAUSE -");
+               // Stop listening for location updates
+               ((LocationManager) getSystemService(Context.LOCATION_SERVICE)).removeUpdates(this);
        }
 
        @Override
@@ -1015,7 +1033,7 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
        }
 
        static String direction(AltosGreatCircle from_receiver,
-                            Location receiver) {
+                               Location receiver) {
                if (from_receiver == null)
                        return null;
 
@@ -1044,4 +1062,24 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
                else
                        return String.format("right %d°", iheading);
        }
+
+       public void onLocationChanged(Location location) {
+               this.location = location;
+               AltosDebug.debug("Location changed to %f,%f",
+                                location.getLatitude(),
+                                location.getLongitude());
+               update_ui(telemetry_state, saved_state);
+       }
+
+       public void onStatusChanged(String provider, int status, Bundle extras) {
+               AltosDebug.debug("Location status now %d\n", status);
+       }
+
+       public void onProviderEnabled(String provider) {
+               AltosDebug.debug("Location provider enabled %s\n", provider);
+       }
+
+       public void onProviderDisabled(String provider) {
+               AltosDebug.debug("Location provider disabled %s\n", provider);
+       }
 }