Inset map

package com.mapbox.mapboxandroiddemo.examples.labs;
 
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
 
import com.mapbox.mapboxandroiddemo.R;
import com.mapbox.mapboxsdk.Mapbox;
import com.mapbox.mapboxsdk.camera.CameraPosition;
import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.MapboxMapOptions;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.maps.SupportMapFragment;
 
public class InsetMapActivity extends AppCompatActivity {
 
private static final String STYLE_URL = "mapbox://styles/mapbox/cj5l80zrp29942rmtg0zctjto";
private static final String INSET_FRAGMENT_TAG = "com.mapbox.insetMapFragment";
private static final int ZOOM_DISTANCE_BETWEEN_MAIN_AND_INSET_MAPS = 3;
 
private MapView mainMapView;
private MapboxMap mainMapboxMap;
private MapboxMap insetMapboxMap;
 
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
 
// Mapbox access token is configured here. This needs to be called either in your application
// object or in the same activity which contains the mapview.
Mapbox.getInstance(this, getString(R.string.access_token));
 
// This contains the MapView in XML and needs to be called after the access token is configured.
setContentView(R.layout.activity_inset_map);
 
mainMapView = findViewById(R.id.mapView);
mainMapView.onCreate(savedInstanceState);
mainMapView.getMapAsync(mainLargeMapReadyCallback);
 
SupportMapFragment insetMapFragment =
(SupportMapFragment) getSupportFragmentManager().findFragmentByTag(INSET_FRAGMENT_TAG);
 
if (insetMapFragment == null) {
// Create fragment transaction for the inset fragment
final FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 
// Build map fragment options
MapboxMapOptions options = new MapboxMapOptions();
options.attributionEnabled(false);
options.logoEnabled(false);
options.compassEnabled(false);
options.scrollGesturesEnabled(false);
options.tiltGesturesEnabled(false);
options.rotateGesturesEnabled(false);
options.camera(new CameraPosition.Builder()
.target(new LatLng(11.302318, 106.025839))
.zoom(2)
.build());
 
// Create map fragment and pass through map options
insetMapFragment = SupportMapFragment.newInstance(options);
 
// Add fragmentMap fragment to parent container
transaction.add(R.id.mini_map_fragment_container, insetMapFragment, INSET_FRAGMENT_TAG);
transaction.commit();
}
 
insetMapFragment.getMapAsync(insetMapReadyCallback);
}
 
private OnMapReadyCallback mainLargeMapReadyCallback = new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull MapboxMap mapboxMap) {
InsetMapActivity.this.mainMapboxMap = mapboxMap;
mapboxMap.setStyle(new Style.Builder().fromUrl(STYLE_URL), new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
mainMapboxMap.addOnCameraMoveListener(mainCameraMoveListener);
}
});
}
};
 
private OnMapReadyCallback insetMapReadyCallback = new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull MapboxMap mapboxMap) {
insetMapboxMap = mapboxMap;
mapboxMap.setStyle(new Style.Builder().fromUrl(STYLE_URL));
}
};
 
private MapboxMap.OnCameraMoveListener mainCameraMoveListener = new MapboxMap.OnCameraMoveListener() {
@Override
public void onCameraMove() {
CameraPosition mainCameraPosition = mainMapboxMap.getCameraPosition();
CameraPosition insetCameraPosition = new CameraPosition.Builder(mainCameraPosition)
.zoom(mainCameraPosition.zoom - ZOOM_DISTANCE_BETWEEN_MAIN_AND_INSET_MAPS).build();
 
if (insetMapboxMap != null) {
insetMapboxMap.moveCamera(CameraUpdateFactory.newCameraPosition(insetCameraPosition));
}
}
};
 
// Add the mapView lifecycle to the activity's lifecycle methods
@Override
public void onResume() {
super.onResume();
mainMapView.onResume();
}
 
@Override
protected void onStart() {
super.onStart();
mainMapView.onStart();
}
 
@Override
protected void onStop() {
super.onStop();
mainMapView.onStop();
}
 
@Override
public void onPause() {
super.onPause();
mainMapView.onPause();
}
 
@Override
public void onLowMemory() {
super.onLowMemory();
mainMapView.onLowMemory();
}
 
@Override
protected void onDestroy() {
super.onDestroy();
if (mainMapboxMap != null) {
mainMapboxMap.removeOnCameraMoveListener(mainCameraMoveListener);
}
mainMapView.onDestroy();
}
 
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mainMapView.onSaveInstanceState(outState);
}
}