[android] test activity for runtime changes to symbols

1 files changed, 214 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/SymbolLayerActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/SymbolLayerActivity.java
new file mode 100644
index 0000000000..ae4f6042ce
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/SymbolLayerActivity.java
@@ -0,0 +1,214 @@
+package com.mapbox.mapboxsdk.testapp.activity.style;
+
+import android.graphics.BitmapFactory;
+import android.graphics.Color;
+import android.graphics.PointF;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+import android.view.MenuItem;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonPrimitive;
+import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
+import com.mapbox.mapboxsdk.style.layers.Layer;
+import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
+import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
+import com.mapbox.mapboxsdk.testapp.R;
+import com.mapbox.services.commons.geojson.Feature;
+import com.mapbox.services.commons.geojson.FeatureCollection;
+import com.mapbox.services.commons.geojson.Point;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleColor;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleRadius;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAllowOverlap;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconSize;
+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.textSize;
+
+/**
+ * Example to test runtime manipulation of symbol layers
+ */
+public class SymbolLayerActivity extends AppCompatActivity implements MapboxMap.OnMapClickListener {
+
+    public static final String MARKER_SOURCE = "marker-source";
+    public static final String MARKER_LAYER = "marker-layer";
+    private MapboxMap mapboxMap;
+    private MapView mapView;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_symbollayer);
+
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+            actionBar.setDisplayShowHomeEnabled(true);
+        }
+
+        mapView = (MapView) findViewById(R.id.mapView);
+        mapView.onCreate(savedInstanceState);
+        mapView.getMapAsync(new OnMapReadyCallback() {
+            @Override
+            public void onMapReady(@NonNull final MapboxMap map) {
+                mapboxMap = map;
+
+                //Add a image for the makers
+                mapboxMap.addImage("my-marker-image", BitmapFactory.decodeResource(SymbolLayerActivity.this.getResources(), R.drawable.mapbox_marker_icon_default));
+
+                //Add a source
+                FeatureCollection markers = FeatureCollection.fromFeatures(new Feature[]{
+                        Feature.fromGeometry(Point.fromCoordinates(new double[]{4.91638, 52.35673}), featureProperties("Marker 1")),
+                        Feature.fromGeometry(Point.fromCoordinates(new double[]{4.91638, 52.34673}), featureProperties("Marker 2"))
+                });
+                mapboxMap.addSource(new GeoJsonSource(MARKER_SOURCE, markers));
+
+                //Add the symbol-layer
+                mapboxMap.addLayer(
+                        new SymbolLayer(MARKER_LAYER, MARKER_SOURCE)
+                                .withProperties(
+                                        iconImage("my-marker-image"),
+                                        iconAllowOverlap(true),
+                                        textField("{title}"),
+                                        textColor(Color.RED),
+                                        textSize(10f)
+                                )
+                );
+
+                //Show
+                mapboxMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(52.35273, 4.91638), 14));
+
+                //Set a click-listener so we can manipulate the map
+                mapboxMap.setOnMapClickListener(SymbolLayerActivity.this);
+            }
+        });
+    }
+
+    @Override
+    public void onMapClick(@NonNull LatLng point) {
+        //Query which features are clicked
+        PointF screenLoc = mapboxMap.getProjection().toScreenLocation(point);
+        List<Feature> features = mapboxMap.queryRenderedFeatures(screenLoc, MARKER_LAYER);
+
+        SymbolLayer layer = mapboxMap.getLayerAs(MARKER_LAYER);
+        if (features.size() == 0) {
+            //Reset
+            layer.setProperties(iconSize(1f));
+        } else {
+            layer.setProperties(iconSize(3f));
+        }
+    }
+
+    private void toggleTextSize() {
+        SymbolLayer layer = mapboxMap.getLayerAs(MARKER_LAYER);
+        layer.setProperties(layer.getTextSize().getValue() > 10 ? textSize(10f) : textSize(20f));
+    }
+
+    private void toggleTextField() {
+        SymbolLayer layer = mapboxMap.getLayerAs(MARKER_LAYER);
+        layer.setProperties("{title}".equals(layer.getTextField().getValue()) ? textField("āA") : textField("{title}"));
+    }
+
+    private void toggleTextFont() {
+        SymbolLayer layer = mapboxMap.getLayerAs(MARKER_LAYER);
+
+        String[] fonts = layer.getTextFont().getValue();
+        if (fonts == null || fonts.length == 0 || Arrays.asList(fonts).contains("Arial Unicode MS Regular")) {
+            layer.setProperties(textFont(new String[]{"DIN Offc Pro Bold", "Arial Unicode MS Bold"}));
+        } else {
+            layer.setProperties(textFont(new String[]{"DIN Offc Pro Medium", "Arial Unicode MS Regular"}));
+        }
+    }
+
+    private JsonObject featureProperties(String title) {
+        JsonObject object = new JsonObject();
+        object.add("title", new JsonPrimitive(title));
+        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();
+        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 android.R.id.home:
+                onBackPressed();
+                return true;
+            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);
+        }
+    }
+
+}
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