[android] - add realtime geojson example from gl-js (#6751)

4 files changed, 169 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml b/platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml
index 2fd973ee82..c8a0de9826 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml
@@ -348,6 +348,13 @@
                 android:name="@string/category"
                 android:value="@string/category_style" />
         </activity>
+        <activity android:name=".activity.style.RealTimeGeoJsonActivity"
+            android:description="@string/description_geojson_realtime"
+            android:label="@string/activity_geojson_realtime">
+            <meta-data
+                android:name="@string/category"
+                android:value="@string/category_style" />
+        </activity>
         <activity
             android:name=".activity.style.StyleFileActivity"
             android:description="@string/description_style_file"
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/RealTimeGeoJsonActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/RealTimeGeoJsonActivity.java
new file mode 100644
index 0000000000..debd44fb1f
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/RealTimeGeoJsonActivity.java
@@ -0,0 +1,141 @@
+package com.mapbox.mapboxsdk.testapp.activity.style;
+
+import android.os.Bundle;
+import android.os.Handler;
+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.util.Log;
+import android.view.MenuItem;
+
+import com.mapbox.mapboxsdk.constants.MapboxConstants;
+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 static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
+
+/**
+ * Use realtime GeoJSON data streams to move a symbol on your map
+ * <p>
+ * GL-native equivalent of https://www.mapbox.com/mapbox-gl-js/example/live-geojson/
+ * </p>
+ */
+public class RealTimeGeoJsonActivity extends AppCompatActivity implements OnMapReadyCallback {
+
+    private final static String ID_GEOJSON_LAYER = "wanderdrone";
+    private final static String ID_GEOJSON_SOURCE = ID_GEOJSON_LAYER;
+    private final static String URL_GEOJSON_SOURCE = "https://wanderdrone.appspot.com/";
+
+    private MapView mapView;
+    private MapboxMap mapboxMap;
+
+    private Handler handler;
+    private Runnable runnable;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_default);
+
+        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(this);
+    }
+
+    @Override
+    public void onMapReady(@NonNull final MapboxMap map) {
+        mapboxMap = map;
+
+        // add source
+        try {
+            mapboxMap.addSource(new GeoJsonSource(ID_GEOJSON_SOURCE, new URL(URL_GEOJSON_SOURCE)));
+        }catch (MalformedURLException e){
+            Log.e(MapboxConstants.TAG, "Invalid URL", e);
+        }
+
+        // add layer
+        SymbolLayer layer = new SymbolLayer(ID_GEOJSON_LAYER, ID_GEOJSON_SOURCE);
+        layer.setProperties(iconImage("rocket-15"));
+        mapboxMap.addLayer(layer);
+
+        // loop refresh geojson
+        handler = new Handler();
+        runnable = new RefreshGeoJsonRunnable(mapboxMap, handler);
+        handler.postDelayed(runnable, 2000);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        mapView.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        mapView.onPause();
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        handler.removeCallbacks(runnable);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mapView.onDestroy();
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        mapView.onSaveInstanceState(outState);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                onBackPressed();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
+    private static class RefreshGeoJsonRunnable implements Runnable {
+
+        private MapboxMap mapboxMap;
+        private Handler handler;
+
+        RefreshGeoJsonRunnable(MapboxMap mapboxMap, Handler handler) {
+            this.mapboxMap = mapboxMap;
+            this.handler = handler;
+        }
+
+        @Override
+        public void run() {
+            ((GeoJsonSource) mapboxMap.getSource(ID_GEOJSON_SOURCE)).setUrl(URL_GEOJSON_SOURCE);
+            handler.postDelayed(this, 2000);
+        }
+    }
+}
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/layout/activity_default.xml b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/layout/activity_default.xml
new file mode 100644
index 0000000000..742f6612bd
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/layout/activity_default.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <android.support.v7.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        android:background="@color/primary"
+        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <com.mapbox.mapboxsdk.maps.MapView
+        android:id="@+id/mapView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@id/toolbar" />
+
+</RelativeLayout>
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/strings.xml b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/strings.xml
index 3d5bf863d8..a4f19f1e01 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/strings.xml
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/strings.xml
@@ -60,6 +60,7 @@
     <string name="activity_runtime_style">Runtime Style</string>
     <string name="activity_style_file">Local Style file</string>
     <string name="activity_geojson_clustering">GeoJson Clustering</string>
+    <string name="activity_geojson_realtime">Add live realtime data</string>
     <string name="activity_print">Print a map</string>
     <string name="activity_surfaceview_overlay">SurfaceView MediaOverlay</string>
     <string name="activity_query_rendered_feature_properties">Query feature properties</string>
@@ -113,6 +114,7 @@
     <string name="description_circle">Use GeoJson source to show a circle</string>
     <string name="description_custom_sprite">Use a custom sprite in a Symbol Layer</string>
     <string name="description_geojson_clustering">Use GeoJson sources and dynamic layers to cluster information</string>
+    <string name="description_geojson_realtime">Use realtime GeoJSON data streams to move a symbol on your map</string>
     <string name="description_print">Shows how to print a map</string>
     <string name="description_navigation_drawer">Test animation of Android SDK View components</string>
     <string name="description_surfaceview_mediacontrols">Test overlaying SurfaceView</string>