public class MapsActivity extends FragmentActivity private GoogleMap m

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public class MapsActivity extends FragmentActivity {
private GoogleMap mMap; // Might be null if Google Play services APK is not available.
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_maps);
setUpMapIfNeeded();
}
@Override
protected void onResume() {
super.onResume();
setUpMapIfNeeded();
}
/**
* Sets up the map if it is possible to do so (i.e., the Google Play services APK is correctly
* installed) and the map has not already been instantiated.. This will ensure that we only ever
* call {@link #setUpMap()} once when {@link #mMap} is not null.
* <p/>
* If it isn't installed {@link SupportMapFragment} (and
* {@link com.google.android.gms.maps.MapView MapView}) will show a prompt for the user to
* install/update the Google Play services APK on their device.
* <p/>
* A user can return to this FragmentActivity after following the prompt and correctly
* installing/updating/enabling the Google Play services. Since the FragmentActivity may not
* have been completely destroyed during this process (it is likely that it would only be
* stopped or paused), {@link #onCreate(Bundle)} may not be called again so we should call this
* method in {@link #onResume()} to guarantee that it will be called.
*/
private void setUpMapIfNeeded() {
// Do a null check to confirm that we have not already instantiated the map.
if (mMap == null) {
// Try to obtain the map from the SupportMapFragment.
mMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map))
.getMap();
// Check if we were successful in obtaining the map.
if (mMap != null) {
setUpMap();
}
}
}
/**
* This is where we can add markers or lines, add listeners or move the camera. In this case, we
* just add a marker near Africa.
* <p/>
* This should only be called once and when we are sure that {@link #mMap} is not null.
*/
final float zoomLevel = 10f;
float zoomBy = 0.5f;
private void setUpMap() {
LatLng ternopil = new LatLng(49.56085221, 25.6036377);
mMap.addMarker(new MarkerOptions().position(ternopil).title("Marker"));
final CameraUpdate center=
CameraUpdateFactory.newLatLngZoom(ternopil, zoomLevel);
mMap.moveCamera(center);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
long delay = 0;
float targetZoomLevel = 12f;
while (zoomLevel + zoomBy < targetZoomLevel) {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
mMap.animateCamera(CameraUpdateFactory.zoomBy(zoomBy), 1000, null);
}
}, delay);
delay += 2000; // Change this to whatever is good on the device
zoomBy += 0.5f;
}
}
}, 2000);
}
}