platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/MaxMinZoomActivity.java


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package com.mapbox.mapboxsdk.testapp.activity.camera;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;

import com.mapbox.mapboxsdk.constants.Style;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.testapp.R;

import timber.log.Timber;

/**
 * Test activity showcasing using maximum and minimum zoom levels to restrict camera movement.
 */
public class MaxMinZoomActivity extends AppCompatActivity implements OnMapReadyCallback {

  private MapView mapView;
  private MapboxMap mapboxMap;

  @Override

  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_maxmin_zoom);

    mapView = (MapView) findViewById(R.id.mapView);
    mapView.onCreate(savedInstanceState);
    mapView.getMapAsync(this);
  }

  @Override
  public void onMapReady(final MapboxMap map) {
    mapboxMap = map;
    mapboxMap.setMinZoomPreference(3);
    mapboxMap.setMaxZoomPreference(5);
    mapboxMap.setOnMapClickListener(point -> map.setStyle(Style.OUTDOORS, style -> Timber.d("Style Loaded %s", style)));
  }

  @Override
  protected void onStart() {
    super.onStart();
    mapView.onStart();
  }

  @Override
  protected void onResume() {
    super.onResume();
    mapView.onResume();
  }

  @Override
  protected void onPause() {
    super.onPause();
    mapView.onPause();
  }

  @Override
  protected void onStop() {
    super.onStop();
    mapView.onStop();
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    mapView.onSaveInstanceState(outState);
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    mapView.onDestroy();
  }

  @Override
  public void onLowMemory() {
    super.onLowMemory();
    mapView.onLowMemory();
  }
}