Examples

Button interaction styling

activity_styles_runtime_styling
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:mapbox="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.mapbox.mapboxandroiddemo.examples.styles.RuntimeStylingActivity">
<com.mapbox.mapboxsdk.maps.MapView
android:id="@+id/mapView"
android:layout_width="match_parent"
android:layout_height="match_parent"
mapbox:mapbox_cameraTargetLat="19.948045"
mapbox:mapbox_cameraTargetLng="-84.654463"
mapbox:mapbox_cameraZoom="3.371717" />
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/floatingActionButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:srcCompat="@drawable/ic_swap_horiz_white_24dp"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:layout_marginBottom="16dp"
mapbox:layout_constraintBottom_toBottomOf="parent"
mapbox:layout_constraintEnd_toEndOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
RuntimeStylingActivity
package com.mapbox.mapboxandroiddemo.examples.styles;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import com.mapbox.mapboxandroiddemo.R;
import com.mapbox.mapboxsdk.Mapbox;
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 com.mapbox.mapboxsdk.style.layers.Layer;
import com.mapbox.mapboxsdk.style.layers.PropertyFactory;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
/**
* Change various properties of a map based on user interaction and other runtime situations.
*/
public class RuntimeStylingActivity extends AppCompatActivity {
private MapView mapView;
private Layer waterLayer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Mapbox.getInstance(this, getString(R.string.access_token));
setContentView(R.layout.activity_styles_runtime_styling);
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull final MapboxMap mapboxMap) {
mapboxMap.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull final Style style) {
waterLayer = style.getLayer("water");
findViewById(R.id.floatingActionButton).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (waterLayer != null) {
waterLayer.setProperties(PropertyFactory.fillColor(Color.parseColor("#023689"))
);
}
for (Layer singleMapLayer : style.getLayers()) {
if (singleMapLayer.getId().contains("water-") && !singleMapLayer.getId().equals("water-shadow")) {
singleMapLayer.setProperties(
PropertyFactory.textHaloBlur(10f),
PropertyFactory.textSize(25f),
PropertyFactory.textColor(Color.parseColor("#00FF08")),
PropertyFactory.textOpacity(1f)
);
}
}
}
});
}
});
}
});
}
// Add the mapView's own lifecycle methods to the activity's lifecycle methods
@Override
public void onStart() {
super.onStart();
mapView.onStart();
}
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
@Override
public void onPause() {
super.onPause();
mapView.onPause();
}
@Override
public void onStop() {
super.onStop();
mapView.onStop();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
}
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