thoerup/friendradar/RadarActivity.java

package dk.thoerup.friendradar;

import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.net.UrlQuerySanitizer.ValueSanitizer;
import android.os.Bundle;
import android.util.Log;

public class RadarActivity extends Activity implements LocationListener {

        LocationManager locManager;
    SensorManager sensorManager;
    
    RadarView radar; 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        radar = (RadarView) findViewById(R.id.radar);
        
        locManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE); 
    }
    

        @Override
        protected void onResume() {
                super.onResume();
                
                if (locManager.isProviderEnabled("gps")) {
                        locManager.requestLocationUpdates("gps", 0, 0, this);
                } else {
                        // ToDo: alert the user about missing gps provider
                }
                
                List<Sensor> orientationSensors = sensorManager.getSensorList(Sensor.TYPE_ORIENTATION);
                Log.e("sensors1", "sensor count" + orientationSensors.size());
                if (orientationSensors.size() > 0) {            
                        sensorManager.registerListener(orientationListener, orientationSensors.get(0), SensorManager.SENSOR_DELAY_NORMAL);
                } else {
                        // ToDo: alert the user about missing orientation sensor
                        Log.e("sensor", "no orientation sensor");
                }

        }


        @Override
        protected void onPause() {
                super.onPause();
                
                locManager.removeUpdates(this);
                sensorManager.unregisterListener(orientationListener);
        }


        @Override
        public void onLocationChanged(Location location) {
                radar.setCurrentLocation(location);
        }


        @Override
        public void onProviderDisabled(String provider) {
        }


        @Override
        public void onProviderEnabled(String provider) {
        }


        @Override
        public void onStatusChanged(String provider, int status, Bundle extras) {
        }
        
        SensorEventListener orientationListener = new SensorEventListener() {
                
                @Override
                public void onSensorChanged(SensorEvent event) {
                        radar.setHeading( (int)event.values[0]);
                }
                
                @Override
                public void onAccuracyChanged(Sensor sensor, int accuracy) {
                }
        }; 
}
1	package dk.thoerup.friendradar;
2
3	import java.util.List;
4
5	import android.app.Activity;
6	import android.content.Context;
7	import android.hardware.Sensor;
8	import android.hardware.SensorEvent;
9	import android.hardware.SensorEventListener;
10	import android.hardware.SensorManager;
11	import android.location.Location;
12	import android.location.LocationListener;
13	import android.location.LocationManager;
14	import android.net.UrlQuerySanitizer.ValueSanitizer;
15	import android.os.Bundle;
16	import android.util.Log;
17
18	public class RadarActivity extends Activity implements LocationListener {
19
20	LocationManager locManager;
21	SensorManager sensorManager;
22
23	RadarView radar;
24	@Override
25	public void onCreate(Bundle savedInstanceState) {
26	super.onCreate(savedInstanceState);
27	setContentView(R.layout.main);
28	radar = (RadarView) findViewById(R.id.radar);
29
30	locManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
31	sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
32	}
33
34
35
36
37	@Override
38	protected void onResume() {
39	super.onResume();
40
41	if (locManager.isProviderEnabled("gps")) {
42	locManager.requestLocationUpdates("gps", 0, 0, this);
43	} else {
44	// ToDo: alert the user about missing gps provider
45	}
46
47	List<Sensor> orientationSensors = sensorManager.getSensorList(Sensor.TYPE_ORIENTATION);
48	Log.e("sensors1", "sensor count" + orientationSensors.size());
49	if (orientationSensors.size() > 0) {
50	sensorManager.registerListener(orientationListener, orientationSensors.get(0), SensorManager.SENSOR_DELAY_NORMAL);
51	} else {
52	// ToDo: alert the user about missing orientation sensor
53	Log.e("sensor", "no orientation sensor");
54	}
55
56	}
57
58
59
60	@Override
61	protected void onPause() {
62	super.onPause();
63
64	locManager.removeUpdates(this);
65	sensorManager.unregisterListener(orientationListener);
66	}
67
68
69
70
71	@Override
72	public void onLocationChanged(Location location) {
73	radar.setCurrentLocation(location);
74	}
75
76
77
78
79	@Override
80	public void onProviderDisabled(String provider) {
81	}
82
83
84
85
86	@Override
87	public void onProviderEnabled(String provider) {
88	}
89
90
91
92
93	@Override
94	public void onStatusChanged(String provider, int status, Bundle extras) {
95	}
96
97	SensorEventListener orientationListener = new SensorEventListener() {
98
99	@Override
100	public void onSensorChanged(SensorEvent event) {
101	radar.setHeading( (int)event.values[0]);
102	}
103
104	@Override
105	public void onAccuracyChanged(Sensor sensor, int accuracy) {
106	}
107	};
108	}