private void drawImageOverMap() {
// BitmapFactory.Options options = new BitmapFactory.Options();
// options.inSampleSize = 2;
// Bitmap bitmap = BitmapFactory.decodeResource(this.getResources(),
// R.drawable.trails_nomarkup,options);
Bitmap bitmap = DisplayManager.getInstance().getCanvasBitmap();
image = BitmapDescriptorFactory.fromBitmap(bitmap);
LatLngBounds bounds = new LatLngBounds(southwest, northeast);
mGroundOverlay =
googleMap.addGroundOverlay(
new GroundOverlayOptions().image(image).transparency(0).positionFromBounds(bounds));
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// set layout for activity
setContentView(R.layout.activity_google_maps);
// Getting reference to the google map fragment
MapFragment fm = (MapFragment) getFragmentManager().findFragmentById(R.id.googlemap);
// Getting GoogleMap object from the fragment
googleMap = fm.getMap();
// googleMap is a GoogleMap object
googleMap.setMyLocationEnabled(true);
googleMap.getUiSettings().setMyLocationButtonEnabled(true);
googleMap.setMapType(GoogleMap.MAP_TYPE_SATELLITE);
// zoom to TCS coordinates on start
LatLng myLocation = new LatLng(39.15, -84.244493);
googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(myLocation, 16));
// check for GPS enabled
final LocationManager manager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
if (!manager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
showEnableGPSDialog();
}
// set listener for if My Location button is clicked to check for GPS again
final Context context = this;
googleMap.setOnMyLocationButtonClickListener(
new GoogleMap.OnMyLocationButtonClickListener() {
@Override
public boolean onMyLocationButtonClick() {
LocationManager mgr = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
if (!mgr.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
// Toast.makeText(context, "GPS is disabled!", Toast.LENGTH_SHORT).show();
showEnableGPSDialog();
}
return false;
}
});
// draw trails map over Google Maps
drawImageOverMap();
// initialize transparency adjuster bar for dev mode
mTransparencyBar = (SeekBar) findViewById(R.id.transparencySeekBar);
mTransparencyBar.setMax(TRANSPARENCY_MAX);
mTransparencyBar.setProgress(0);
mTransparencyBar.setOnSeekBarChangeListener(this);
// only show transparency bar if in dev mode
if (DisplayManager.getInstance().getInDevMode()) {
mTransparencyBar.setVisibility(View.VISIBLE);
} else {
mTransparencyBar.setVisibility(View.GONE);
}
}