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package com.mapbox.mapboxsdk.testapp.activity.style;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import com.mapbox.mapboxsdk.testapp.R;
import java.net.MalformedURLException;
import java.net.URL;
import timber.log.Timber;
import static com.mapbox.mapboxsdk.style.functions.Function.zoom;
import static com.mapbox.mapboxsdk.style.functions.stops.Stop.stop;
import static com.mapbox.mapboxsdk.style.functions.stops.Stops.interval;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAllowOverlap;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
public class ZoomFunctionSymbolLayerActivity extends AppCompatActivity {
private static final String SOURCE_URL = "https://gist.githubusercontent.com/anonymous/"
+ "70ddad0e58520307cd1699e704f4b626/raw/a5deaccdc4517c12d63b1f8abcb7becf5e36506a/map.geojson";
private static final String LAYER_ID = "symbolLayer";
private static final String SOURCE_ID = "poiSource";
private static final String BUS_MAKI_ICON_ID = "bus-11";
private static final String CAFE_MAKI_ICON_ID = "cafe-11";
private static final float ZOOM_STOP_MIN_VALUE = 7.0f;
private static final float ZOOM_STOP_MAX_VALUE = 12.0f;
private MapView mapView;
private MapboxMap mapboxMap;
private GeoJsonSource source;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_zoom_symbol_layer);
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull final MapboxMap map) {
mapboxMap = map;
addSource();
addLayer();
}
});
}
private void addSource() {
try {
source = new GeoJsonSource(SOURCE_ID, new URL(SOURCE_URL));
} catch (MalformedURLException exception) {
Timber.e(exception, "That's not an url... ");
}
mapboxMap.addSource(source);
}
private void addLayer() {
SymbolLayer layer = new SymbolLayer(LAYER_ID, SOURCE_ID);
layer.setProperties(
iconImage(
zoom(
interval(
stop(ZOOM_STOP_MIN_VALUE, iconImage(BUS_MAKI_ICON_ID)),
stop(ZOOM_STOP_MAX_VALUE, iconImage(CAFE_MAKI_ICON_ID))
)
)
),
iconAllowOverlap(true)
);
mapboxMap.addLayer(layer);
}
@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
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
@Override
public void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
}
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