[android] Sources: peer model, mutability (#6054)

1 files changed, 74 insertions, 1 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/RuntimeStyleActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/RuntimeStyleActivity.java
index d8a82168fd..84467b3aee 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/RuntimeStyleActivity.java
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/RuntimeStyleActivity.java
@@ -2,6 +2,7 @@ package com.mapbox.mapboxsdk.testapp.activity.style;
 
 import android.graphics.Color;
 import android.os.Bundle;
+import android.os.Handler;
 import android.support.annotation.RawRes;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AppCompatActivity;
@@ -30,6 +31,8 @@ import com.mapbox.mapboxsdk.style.sources.Source;
 import com.mapbox.mapboxsdk.style.sources.TileSet;
 import com.mapbox.mapboxsdk.style.sources.VectorSource;
 import com.mapbox.mapboxsdk.testapp.R;
+import com.mapbox.services.commons.geojson.Feature;
+import com.mapbox.services.commons.geojson.FeatureCollection;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -38,6 +41,8 @@ import java.io.InputStreamReader;
 import java.io.Reader;
 import java.io.StringWriter;
 import java.io.Writer;
+import java.util.ArrayList;
+import java.util.List;
 
 import static com.mapbox.mapboxsdk.style.layers.Filter.all;
 import static com.mapbox.mapboxsdk.style.layers.Filter.eq;
@@ -154,6 +159,9 @@ public class RuntimeStyleActivity extends AppCompatActivity {
             case R.id.action_add_parks_layer:
                 addParksLayer();
                 return true;
+            case R.id.action_add_dynamic_parks_layer:
+                addDynamicParksLayer();
+                return true;
             case R.id.action_add_terrain_layer:
                 addTerrainLayer();
                 return true;
@@ -272,6 +280,71 @@ public class RuntimeStyleActivity extends AppCompatActivity {
         mapboxMap.animateCamera(CameraUpdateFactory.zoomTo(12));
     }
 
+    private void addDynamicParksLayer() {
+        //Load some data
+        FeatureCollection parks;
+        try {
+            String json = readRawResource(R.raw.amsterdam);
+            parks = FeatureCollection.fromJson(json);
+        } catch (IOException e) {
+            Toast.makeText(RuntimeStyleActivity.this, "Couldn't add source: " + e.getMessage(), Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        //Add an empty source
+        mapboxMap.addSource(new GeoJsonSource("dynamic-park-source"));
+
+        FillLayer layer = new FillLayer("dynamic-parks-layer", "dynamic-park-source");
+        layer.setProperties(
+                fillColor(Color.GREEN),
+                fillOutlineColor(Color.GREEN),
+                fillOpacity(0.8f),
+                fillAntialias(true)
+        );
+
+        //Only show me parks
+        layer.setFilter(all(eq("type", "park")));
+
+        mapboxMap.addLayer(layer);
+
+        //Get a good look at it all
+        mapboxMap.animateCamera(CameraUpdateFactory.zoomTo(12));
+
+        //Animate the parks source
+        animateParksSource(parks, 0);
+    }
+
+    private void animateParksSource(final FeatureCollection parks, final int counter) {
+        Handler handler = new Handler(getMainLooper());
+        handler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                if (mapboxMap == null) {
+                    return;
+                }
+                
+                Log.d(TAG, "Updating parks source");
+                //change the source
+                int park = counter < parks.getFeatures().size() - 1 ? counter : 0;
+
+                GeoJsonSource source = mapboxMap.getSourceAs("dynamic-park-source");
+
+                if (source == null) {
+                    Log.e(TAG, "Source not found");
+                    Toast.makeText(RuntimeStyleActivity.this, "Source not found", Toast.LENGTH_SHORT).show();
+                    return;
+                }
+
+                List<Feature> features = new ArrayList<>();
+                features.add(parks.getFeatures().get(park));
+                source.setGeoJson(FeatureCollection.fromFeatures(features));
+
+                //Re-post
+                animateParksSource(parks, park + 1);
+            }
+        }, counter == 0 ? 100 : 1000);
+    }
+
     private void addTerrainLayer() {
         //Add a source
         Source source = new VectorSource("my-terrain-source", "mapbox://mapbox.mapbox-terrain-v2");
@@ -302,7 +375,7 @@ public class RuntimeStyleActivity extends AppCompatActivity {
 
     private void addSatelliteLayer() {
         //Add a source
-        Source source = new RasterSource("my-raster-source", "mapbox://mapbox.satellite").withTileSize(512);
+        Source source = new RasterSource("my-raster-source", "mapbox://mapbox.satellite", 512);
         mapboxMap.addSource(source);
 
         //Add a layer