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package com.mapbox.mapboxsdk.testapp.activity.fragment;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import com.mapbox.mapboxsdk.camera.CameraPosition;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.maps.MapboxMapOptions;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.maps.SupportMapFragment;
import com.mapbox.mapboxsdk.testapp.R;
/**
* Test activity showcasing using the Android SDK ViewPager API to show MapFragments.
*/
public class ViewPagerActivity extends AppCompatActivity {
private ViewPager viewPager;
private MapFragmentAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_viewpager);
viewPager = (ViewPager) findViewById(R.id.viewpager);
if (viewPager != null) {
adapter = new MapFragmentAdapter(getSupportFragmentManager());
viewPager.setAdapter(adapter);
}
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
int currentPosition = viewPager.getCurrentItem();
SupportMapFragment mapFragment;
if (Math.abs(0 - currentPosition) <= 1) {
mapFragment = (SupportMapFragment) adapter.instantiateItem(viewPager, 0);
mapFragment.getMapAsync(mapboxMap -> {
mapboxMap.setStyle(Style.MAPBOX_STREETS);
});
}
if (Math.abs(1 - currentPosition) <= 1) {
mapFragment = (SupportMapFragment) adapter.instantiateItem(viewPager, 1);
mapFragment.getMapAsync(mapboxMap -> {
mapboxMap.setStyle(Style.DARK);
});
}
if (Math.abs(2 - currentPosition) <= 1) {
mapFragment = (SupportMapFragment) adapter.instantiateItem(viewPager, 2);
mapFragment.getMapAsync(mapboxMap -> {
mapboxMap.setStyle(Style.SATELLITE);
});
}
}
static class MapFragmentAdapter extends FragmentStatePagerAdapter {
private static int NUM_ITEMS = 3;
MapFragmentAdapter(FragmentManager fragmentManager) {
super(fragmentManager);
}
@Override
public int getCount() {
return NUM_ITEMS;
}
@Override
public Fragment getItem(int position) {
SupportMapFragment fragment = null;
MapboxMapOptions options = new MapboxMapOptions();
options.textureMode(true);
switch (position) {
case 0:
options.camera(new CameraPosition.Builder().target(new LatLng(34.920526, 102.634774)).zoom(3).build());
fragment = SupportMapFragment.newInstance(options);
fragment.getMapAsync(mapboxMap -> {
mapboxMap.setStyle(Style.MAPBOX_STREETS);
});
break;
case 1:
options.camera(new CameraPosition.Builder().target(new LatLng(62.326440, 92.764913)).zoom(3).build());
fragment = SupportMapFragment.newInstance(options);
fragment.getMapAsync(mapboxMap -> {
mapboxMap.setStyle(Style.DARK);
});
break;
case 2:
options.camera(new CameraPosition.Builder().target(new LatLng(-25.007786, 133.623852)).zoom(3).build());
fragment = SupportMapFragment.newInstance(options);
fragment.getMapAsync(mapboxMap -> {
mapboxMap.setStyle(Style.SATELLITE);
});
break;
}
return fragment;
}
@Override
public CharSequence getPageTitle(int position) {
return "Page " + position;
}
}
}
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