AndroidLocation: with a CheckBox to toggle MapView.setSatellite()

Modify previous exercise AndroidLocation with Zoom Level Control, using SeekBar, to have a CheckBox used to toggle "satellite" mode.



main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
 <LinearLayout
  android:orientation="horizontal"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  >
  <LinearLayout
  android:orientation="vertical"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  >
   <CheckBox
   android:id="@+id/satellite"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text=" Satellite "
   />
 </LinearLayout>
 <LinearLayout
   android:orientation="vertical"
   android:layout_width="fill_parent"
   android:layout_height="wrap_content"
   >
   <TextView
   android:id="@+id/longitude"
   android:layout_width="fill_parent"
   android:layout_height="wrap_content"
   android:text="Longitude:"
  />
  <TextView
  android:id="@+id/latitude"
  android:layout_width="fill_parent"
   android:layout_height="wrap_content"
   android:text="Latitude:"
  />
 </LinearLayout>
 </LinearLayout>
<SeekBar
 android:id="@+id/zoombar"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:max="20"
  android:progress="0"/>
<com.google.android.maps.MapView
 android:id="@+id/mapview"
 android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:clickable="false"
 android:apiKey="-----Your Own API Key here-------------"
 />
</LinearLayout>

AndroidLocation.java

package com.AndroidLocation;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;

import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.View;
import android.widget.CheckBox;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;

public class AndroidLocation extends MapActivity {

private LocationManager myLocationManager;
private LocationListener myLocationListener;
private TextView myLongitude, myLatitude;
private CheckBox mySatellite;

private MapView myMapView;
private SeekBar myZoomBar;

private MapController myMapController;

private void CenterLocation(GeoPoint centerGeoPoint)
{
 myMapController.animateTo(centerGeoPoint);


 myLongitude.setText("Longitude: "+
   String.valueOf((float)centerGeoPoint.getLongitudeE6()/1000000)
   );
 myLatitude.setText("Latitude: "+
   String.valueOf((float)centerGeoPoint.getLatitudeE6()/1000000)
   );
};

private void SetZoomLevel()
{
 int myZoomLevel = myZoomBar.getProgress()+1;
 myMapController.setZoom(myZoomLevel);
 Toast.makeText(this,
   "Zoom Level : " + String.valueOf(myZoomLevel),
   Toast.LENGTH_LONG).show();
};

private void SetSatellite()
{
 myMapView.setSatellite(mySatellite.isChecked());
};

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.main);
 myMapView = (MapView)findViewById(R.id.mapview);
 myLongitude = (TextView)findViewById(R.id.longitude);
 myLatitude = (TextView)findViewById(R.id.latitude);
 myZoomBar = (SeekBar)findViewById(R.id.zoombar);
 mySatellite = (CheckBox)findViewById(R.id.satellite);

 SetSatellite();
 myMapController = myMapView.getController();
 SetZoomLevel();

 myLocationManager = (LocationManager)getSystemService(
   Context.LOCATION_SERVICE);

 myLocationListener = new MyLocationListener();

 myLocationManager.requestLocationUpdates(
   LocationManager.GPS_PROVIDER,
   0,
   0,
   myLocationListener);

 //Get the current location in start-up
 //check LastKnownLocation, if not valid, skip it.
 Location initLocation=myLocationManager.getLastKnownLocation(
                 LocationManager.GPS_PROVIDER);
 if(initLocation != null)
 {
  GeoPoint initGeoPoint = new GeoPoint(
    (int)(initLocation.getLatitude()*1000000),
    (int)(initLocation.getLongitude()*1000000));
  CenterLocation(initGeoPoint);
 }
 myZoomBar.setOnSeekBarChangeListener(myZoomBarOnSeekBarChangeListener);
 mySatellite.setOnClickListener(mySatelliteOnClickListener);
}

private CheckBox.OnClickListener mySatelliteOnClickListener =
 new CheckBox.OnClickListener(){

  public void onClick(View v) {
   // TODO Auto-generated method stub
   SetSatellite();
  }

};

private SeekBar.OnSeekBarChangeListener myZoomBarOnSeekBarChangeListener =
 new SeekBar.OnSeekBarChangeListener(){

  public void onProgressChanged(SeekBar seekBar, int progress,
    boolean fromUser) {
   // TODO Auto-generated method stub
   SetZoomLevel();
  }

  public void onStartTrackingTouch(SeekBar seekBar) {
   // TODO Auto-generated method stub
  
  }

  public void onStopTrackingTouch(SeekBar seekBar) {
   // TODO Auto-generated method stub
  
  }

};

private class MyLocationListener implements LocationListener{

 public void onLocationChanged(Location argLocation) {
  // TODO Auto-generated method stub
  GeoPoint myGeoPoint = new GeoPoint(
    (int)(argLocation.getLatitude()*1000000),
    (int)(argLocation.getLongitude()*1000000));
 
  CenterLocation(myGeoPoint);
 }

 public void onProviderDisabled(String provider) {
  // TODO Auto-generated method stub
 }

 public void onProviderEnabled(String provider) {
  // TODO Auto-generated method stub
 }

 public void onStatusChanged(String provider,
   int status, Bundle extras) {
  // TODO Auto-generated method stub
 }
}

@Override
protected boolean isRouteDisplayed() {
 // TODO Auto-generated method stub
 return false;
};
}

Download the files.