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package com.mapbox.mapboxsdk.activity;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.location.Location;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import com.mapbox.android.core.location.LocationEngine;
import com.mapbox.android.core.location.LocationEngineProvider;
import com.mapbox.android.core.location.LocationEngineRequest;
import com.mapbox.android.core.permissions.PermissionsListener;
import com.mapbox.android.core.permissions.PermissionsManager;
import com.mapbox.mapboxsdk.geometry.LatLngBounds;
import com.mapbox.mapboxsdk.location.LocationComponent;
import com.mapbox.mapboxsdk.location.LocationComponentActivationOptions;
import com.mapbox.mapboxsdk.location.modes.RenderMode;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.maps.Style;
import java.util.List;
import java.util.Random;
public class MainActivity extends Activity implements OnMapReadyCallback {
private MapView mapView;
private LocationComponent locationComponent;
private LocationEngine locationEngine;
private PermissionsManager permissionsManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
locationEngine = LocationEngineProvider.getBestLocationEngine(this, false);
Button fabManualUpdate = findViewById(R.id.button);
fabManualUpdate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (locationComponent != null && locationComponent.getLocationEngine() == null) {
locationComponent.forceLocationUpdate(
getRandomLocation(LatLngBounds.from(60, 25, 40, -5)));
}
}
});
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
if (PermissionsManager.areLocationPermissionsGranted(this)) {
mapView.getMapAsync(this);
} else {
permissionsManager = new PermissionsManager(new PermissionsListener() {
@Override
public void onExplanationNeeded(List<String> permissionsToExplain) {
Toast.makeText(MainActivity.this.getApplicationContext(),
"You need to accept location permissions.",
Toast.LENGTH_SHORT
).show();
}
@Override
public void onPermissionResult(boolean granted) {
if (granted) {
mapView.getMapAsync(MainActivity.this);
} else {
finish();
}
}
});
permissionsManager.requestLocationPermissions(this);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
permissionsManager.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
@SuppressLint("MissingPermission")
@Override
public void onMapReady(final MapboxMap mapboxMap) {
mapboxMap.setStyle(new Style.Builder().fromUrl(Style.MAPBOX_STREETS), new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(Style style) {
locationComponent = mapboxMap.getLocationComponent();
locationComponent.activateLocationComponent(
LocationComponentActivationOptions
.builder(MainActivity.this, style)
.locationEngine(locationEngine)
.locationEngineRequest(new LocationEngineRequest.Builder(500)
.setFastestInterval(500)
.setPriority(LocationEngineRequest.PRIORITY_HIGH_ACCURACY).build())
.build());
locationComponent.setLocationComponentEnabled(true);
locationComponent.setRenderMode(RenderMode.COMPASS);
}
});
}
@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();
}
public static Location getRandomLocation(LatLngBounds bounds) {
Random random = new Random();
double randomLat = bounds.getLatSouth() + (bounds.getLatNorth() - bounds.getLatSouth()) * random.nextDouble();
double randomLon = bounds.getLonWest() + (bounds.getLonEast() - bounds.getLonWest()) * random.nextDouble();
Location location = new Location("random-loc");
location.setLongitude(randomLon);
location.setLatitude(randomLat);
return location;
}
}
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