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package com.mapbox.mapboxsdk.testapp.activity.style;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.PointF;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewGroup;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import com.mapbox.geojson.Feature;
import com.mapbox.geojson.FeatureCollection;
import com.mapbox.geojson.Point;
import com.mapbox.mapboxsdk.camera.CameraPosition;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.MapboxMapOptions;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.style.expressions.Expression;
import com.mapbox.mapboxsdk.style.layers.Property;
import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import com.mapbox.mapboxsdk.style.sources.Source;
import com.mapbox.mapboxsdk.testapp.R;
import com.mapbox.mapboxsdk.utils.BitmapUtils;
import timber.log.Timber;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.Random;
import static com.mapbox.mapboxsdk.style.expressions.Expression.FormatOption.formatFontScale;
import static com.mapbox.mapboxsdk.style.expressions.Expression.FormatOption.formatTextColor;
import static com.mapbox.mapboxsdk.style.expressions.Expression.FormatOption.formatTextFont;
import static com.mapbox.mapboxsdk.style.expressions.Expression.NumberFormatOption.currency;
import static com.mapbox.mapboxsdk.style.expressions.Expression.NumberFormatOption.locale;
import static com.mapbox.mapboxsdk.style.expressions.Expression.concat;
import static com.mapbox.mapboxsdk.style.expressions.Expression.format;
import static com.mapbox.mapboxsdk.style.expressions.Expression.formatEntry;
import static com.mapbox.mapboxsdk.style.expressions.Expression.get;
import static com.mapbox.mapboxsdk.style.expressions.Expression.literal;
import static com.mapbox.mapboxsdk.style.expressions.Expression.match;
import static com.mapbox.mapboxsdk.style.expressions.Expression.numberFormat;
import static com.mapbox.mapboxsdk.style.expressions.Expression.rgb;
import static com.mapbox.mapboxsdk.style.expressions.Expression.stop;
import static com.mapbox.mapboxsdk.style.expressions.Expression.switchCase;
import static com.mapbox.mapboxsdk.style.expressions.Expression.toBool;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAllowOverlap;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAnchor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconIgnorePlacement;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconOpacity;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconSize;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textAllowOverlap;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textAnchor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textField;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textFont;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textIgnorePlacement;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textRotationAlignment;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textSize;
/**
* Test activity showcasing runtime manipulation of symbol layers.
* <p>
* Showcases the ability to offline render a symbol layer by using a packaged style and fonts from the assets folder.
* </p>
*/
public class SymbolLayerActivity extends AppCompatActivity implements MapboxMap.OnMapClickListener, OnMapReadyCallback {
private static final String ID_FEATURE_PROPERTY = "id";
private static final String SELECTED_FEATURE_PROPERTY = "selected";
private static final String TITLE_FEATURE_PROPERTY = "title";
private static final String[] NORMAL_FONT_STACK = new String[] {"DIN Offc Pro Regular", "Arial Unicode MS Regular"};
private static final String[] BOLD_FONT_STACK = new String[] {"DIN Offc Pro Bold", "Arial Unicode MS Regular"};
// layer & source constants
private static final String MARKER_SOURCE = "marker-source";
private static final String MARKER_LAYER = "marker-layer";
private static final String MAPBOX_SIGN_SOURCE = "mapbox-sign-source";
private static final String MAPBOX_SIGN_LAYER = "mapbox-sign-layer";
private static final String NUMBER_FORMAT_SOURCE = "mapbox-number-source";
private static final String NUMBER_FORMAT_LAYER = "mapbox-number-layer";
private static final Expression TEXT_FIELD_EXPRESSION =
switchCase(toBool(get(SELECTED_FEATURE_PROPERTY)),
format(
formatEntry(
get(TITLE_FEATURE_PROPERTY),
formatTextFont(BOLD_FONT_STACK)
),
formatEntry("\nis fun!", formatFontScale(0.75))
),
format(
formatEntry("This is", formatFontScale(0.75)),
formatEntry(
concat(literal("\n"), get(TITLE_FEATURE_PROPERTY)),
formatFontScale(1.25),
formatTextFont(BOLD_FONT_STACK)
)
)
);
private final Random random = new Random();
private GeoJsonSource markerSource;
private FeatureCollection markerCollection;
private SymbolLayer markerSymbolLayer;
private SymbolLayer mapboxSignSymbolLayer;
private SymbolLayer numberFormatSymbolLayer;
private MapboxMap mapboxMap;
private MapView mapView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_symbollayer);
// Create map configuration
MapboxMapOptions mapboxMapOptions = MapboxMapOptions.createFromAttributes(this);
mapboxMapOptions.camera(new CameraPosition.Builder().target(
new LatLng(52.35273, 4.91638))
.zoom(13)
.build()
);
// Create map programmatically, add to view hierarchy
mapView = new MapView(this, mapboxMapOptions);
mapView.getMapAsync(this);
mapView.onCreate(savedInstanceState);
((ViewGroup) findViewById(R.id.container)).addView(mapView);
// Use OnStyleImageMissing API to lazily load an icon
mapView.addOnStyleImageMissingListener(id -> {
Style style = mapboxMap.getStyle();
if (style != null) {
Timber.e("Adding image with id: %s", id);
Bitmap androidIcon = BitmapUtils.getBitmapFromDrawable(getResources().getDrawable(R.drawable.ic_android_2));
style.addImage(id, Objects.requireNonNull(androidIcon));
}
});
}
@Override
public void onMapReady(@NonNull MapboxMap mapboxMap) {
this.mapboxMap = mapboxMap;
Bitmap carBitmap = BitmapUtils.getBitmapFromDrawable(
getResources().getDrawable(R.drawable.ic_directions_car_black));
// marker source
markerCollection = FeatureCollection.fromFeatures(new Feature[] {
Feature.fromGeometry(Point.fromLngLat(4.91638, 52.35673), featureProperties("1", "Android")),
Feature.fromGeometry(Point.fromLngLat(4.91638, 52.34673), featureProperties("2", "Car"))
});
markerSource = new GeoJsonSource(MARKER_SOURCE, markerCollection);
// marker layer
markerSymbolLayer = new SymbolLayer(MARKER_LAYER, MARKER_SOURCE)
.withProperties(
iconImage(get(TITLE_FEATURE_PROPERTY)),
iconIgnorePlacement(true),
iconAllowOverlap(true),
iconSize(switchCase(toBool(get(SELECTED_FEATURE_PROPERTY)), literal(1.5f), literal(1.0f))),
iconAnchor(Property.ICON_ANCHOR_BOTTOM),
iconColor(Color.BLUE),
textField(TEXT_FIELD_EXPRESSION),
textFont(NORMAL_FONT_STACK),
textColor(Color.BLUE),
textAllowOverlap(true),
textIgnorePlacement(true),
textAnchor(Property.TEXT_ANCHOR_TOP),
textSize(10f)
);
// mapbox sign layer
Source mapboxSignSource = new GeoJsonSource(MAPBOX_SIGN_SOURCE, Point.fromLngLat(4.91638, 52.3510));
mapboxSignSymbolLayer = new SymbolLayer(MAPBOX_SIGN_LAYER, MAPBOX_SIGN_SOURCE);
shuffleMapboxSign();
// number format layer
Source numberFormatSource = new GeoJsonSource(NUMBER_FORMAT_SOURCE, Point.fromLngLat(4.92756, 52.3516));
numberFormatSymbolLayer = new SymbolLayer(NUMBER_FORMAT_LAYER, NUMBER_FORMAT_SOURCE);
numberFormatSymbolLayer.setProperties(
textField(
numberFormat(123.456789, locale("nl-NL"), currency("EUR"))
)
);
mapboxMap.setStyle(new Style.Builder()
.fromUri("asset://streets.json")
.withImage("Car", Objects.requireNonNull(carBitmap), false)
.withSources(markerSource, mapboxSignSource, numberFormatSource)
.withLayers(markerSymbolLayer, mapboxSignSymbolLayer, numberFormatSymbolLayer)
);
// Set a click-listener so we can manipulate the map
mapboxMap.addOnMapClickListener(SymbolLayerActivity.this);
}
@Override
public boolean onMapClick(@NonNull LatLng point) {
// Query which features are clicked
PointF screenLoc = mapboxMap.getProjection().toScreenLocation(point);
List<Feature> markerFeatures = mapboxMap.queryRenderedFeatures(screenLoc, MARKER_LAYER);
if (!markerFeatures.isEmpty()) {
for (Feature feature : Objects.requireNonNull(markerCollection.features())) {
if (feature.getStringProperty(ID_FEATURE_PROPERTY)
.equals(markerFeatures.get(0).getStringProperty(ID_FEATURE_PROPERTY))) {
// use DDS
boolean selected = feature.getBooleanProperty(SELECTED_FEATURE_PROPERTY);
feature.addBooleanProperty(SELECTED_FEATURE_PROPERTY, !selected);
// validate symbol flicker regression for #13407
markerSymbolLayer.setProperties(iconOpacity(match(
get(ID_FEATURE_PROPERTY), literal(1.0f),
stop(feature.getStringProperty("id"), selected ? 0.3f : 1.0f)
)));
}
}
markerSource.setGeoJson(markerCollection);
} else {
List<Feature> mapboxSignFeatures = mapboxMap.queryRenderedFeatures(screenLoc, MAPBOX_SIGN_LAYER);
if (!mapboxSignFeatures.isEmpty()) {
shuffleMapboxSign();
}
}
return false;
}
private void toggleTextSize() {
if (markerSymbolLayer != null) {
Number size = markerSymbolLayer.getTextSize().getValue();
if (size != null) {
markerSymbolLayer.setProperties((float) size > 10 ? textSize(10f) : textSize(20f));
}
}
}
private void toggleTextField() {
if (markerSymbolLayer != null) {
if (TEXT_FIELD_EXPRESSION.equals(markerSymbolLayer.getTextField().getExpression())) {
markerSymbolLayer.setProperties(textField("āA"));
} else {
markerSymbolLayer.setProperties(textField(TEXT_FIELD_EXPRESSION));
}
}
}
private void toggleTextFont() {
if (markerSymbolLayer != null) {
if (Arrays.equals(markerSymbolLayer.getTextFont().getValue(), NORMAL_FONT_STACK)) {
markerSymbolLayer.setProperties(textFont(BOLD_FONT_STACK));
} else {
markerSymbolLayer.setProperties(textFont(NORMAL_FONT_STACK));
}
}
}
private void shuffleMapboxSign() {
if (mapboxSignSymbolLayer != null) {
mapboxSignSymbolLayer.setProperties(
textField(
format(
formatEntry("M", formatFontScale(2)),
getRandomColorEntryForString("a"),
getRandomColorEntryForString("p"),
getRandomColorEntryForString("b"),
getRandomColorEntryForString("o"),
getRandomColorEntryForString("x")
)
),
textColor(Color.BLACK),
textFont(BOLD_FONT_STACK),
textSize(25f),
textRotationAlignment(Property.TEXT_ROTATION_ALIGNMENT_MAP)
);
}
}
private Expression.FormatEntry getRandomColorEntryForString(@NonNull String string) {
return formatEntry(string,
formatTextColor(
rgb(
random.nextInt(256),
random.nextInt(256),
random.nextInt(256)
)
));
}
private JsonObject featureProperties(@NonNull String id, @NonNull String title) {
JsonObject object = new JsonObject();
object.add(ID_FEATURE_PROPERTY, new JsonPrimitive(id));
object.add(TITLE_FEATURE_PROPERTY, new JsonPrimitive(title));
object.add(SELECTED_FEATURE_PROPERTY, new JsonPrimitive(false));
return object;
}
@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();
if (mapboxMap != null) {
mapboxMap.removeOnMapClickListener(this);
}
mapView.onDestroy();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_symbol_layer, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_toggle_text_size:
toggleTextSize();
return true;
case R.id.action_toggle_text_field:
toggleTextField();
return true;
case R.id.action_toggle_text_font:
toggleTextFont();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
|