Add class picker to Android UI

android/java/app/src/main/java/com/mapbox/mapboxgl/app/MainActivity.java

@@ -22,6 +22,9 @@ import com.mapzen.android.lost.LocationClient;
 import com.mapzen.android.lost.LocationListener;
 import com.mapzen.android.lost.LocationRequest;
 
+import java.util.ArrayList;
+import java.util.LinkedList;
+
 public class MainActivity extends ActionBarActivity {
 
     //
@@ -50,6 +53,11 @@ public class MainActivity extends ActionBarActivity {
     private LocationListener mLocationListener;
     private LocationRequest mLocationRequest;
 
+    // Used for the class spinner
+    Spinner mClassSpinner;
+    ArrayAdapter mOutdoorsClassAdapter;
+    ArrayAdapter mSatelliteClassAdapter;
+
     //
     // Lifecycle events
     //
@@ -84,6 +92,13 @@ public class MainActivity extends ActionBarActivity {
         styleSpinner.setAdapter(styleAdapter);
         styleSpinner.setOnItemSelectedListener(new StyleSpinnerListener());
 
+        // Add the spinner to select class styles
+        mClassSpinner = (Spinner)findViewById(R.id.spinner_class);
+        mOutdoorsClassAdapter = ArrayAdapter.createFromResource(getSupportActionBar().getThemedContext(),
+                R.array.outdoors_class_list, android.R.layout.simple_spinner_dropdown_item);
+        mSatelliteClassAdapter = ArrayAdapter.createFromResource(getSupportActionBar().getThemedContext(),
+                R.array.satellite_class_list, android.R.layout.simple_spinner_dropdown_item);
+
         // Prepare for GPS
         mLocationRequest = LocationRequest.create();
         mLocationRequest.setInterval(0);
@@ -202,31 +217,55 @@ public class MainActivity extends ActionBarActivity {
                 // Bright
                 case 0:
                     mMapFragment.getMap().setStyleUrl("asset://styles/styles/bright-v7.json");
+                    mMapFragment.getMap().removeAllClasses();
+                    mClassSpinner.setVisibility(View.INVISIBLE);
+                    mClassSpinner.setAdapter(null);
+                    mClassSpinner.setOnItemSelectedListener(null);
                     break;
 
                 // Basic
                 case 1:
                     mMapFragment.getMap().setStyleUrl("asset://styles/styles/basic-v7.json");
+                    mMapFragment.getMap().removeAllClasses();
+                    mClassSpinner.setVisibility(View.INVISIBLE);
+                    mClassSpinner.setAdapter(null);
+                    mClassSpinner.setOnItemSelectedListener(null);
                     break;
 
                 // Outdoors
                 case 2:
                     mMapFragment.getMap().setStyleUrl("asset://styles/styles/outdoors-v7.json");
+                    mMapFragment.getMap().removeAllClasses();
+                    mClassSpinner.setVisibility(View.VISIBLE);
+                    mClassSpinner.setAdapter(mOutdoorsClassAdapter);
+                    mClassSpinner.setOnItemSelectedListener(new OutdoorClassSpinnerListener());
                     break;
 
                 // Satellite
                 case 3:
                     mMapFragment.getMap().setStyleUrl("asset://styles/styles/satellite-v7.json");
+                    mMapFragment.getMap().removeAllClasses();
+                    mClassSpinner.setVisibility(View.VISIBLE);
+                    mClassSpinner.setAdapter(mSatelliteClassAdapter);
+                    mClassSpinner.setOnItemSelectedListener(new SatelliteClassSpinnerListener());
                     break;
 
                 // Pencil
                 case 4:
                     mMapFragment.getMap().setStyleUrl("asset://styles/styles/pencil-v7.json");
+                    mMapFragment.getMap().removeAllClasses();
+                    mClassSpinner.setVisibility(View.INVISIBLE);
+                    mClassSpinner.setAdapter(null);
+                    mClassSpinner.setOnItemSelectedListener(null);
                     break;
 
                 // Empty
                 case 5:
                     mMapFragment.getMap().setStyleUrl("asset://styles/styles/empty-v7.json");
+                    mMapFragment.getMap().removeAllClasses();
+                    mClassSpinner.setVisibility(View.INVISIBLE);
+                    mClassSpinner.setAdapter(null);
+                    mClassSpinner.setOnItemSelectedListener(null);
                     break;
 
                 default:
@@ -241,6 +280,76 @@ public class MainActivity extends ActionBarActivity {
         }
     }
 
+    // This class handles outdoor class change events
+    private class OutdoorClassSpinnerListener implements AdapterView.OnItemSelectedListener {
+
+        @Override
+        public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+            ArrayList<String> classes = new ArrayList<String>(1);
+
+            switch(position) {
+                // Day
+                case 0:
+                    classes.add("day");
+                    mMapFragment.getMap().setClasses(classes);
+                    break;
+
+                // Night
+                case 1:
+                    classes.add("night");
+                    mMapFragment.getMap().setClasses(classes);
+                    break;
+
+                default:
+                    onNothingSelected(parent);
+                    break;
+            }
+        }
+
+        @Override
+        public void onNothingSelected(AdapterView<?> parent) {
+            mMapFragment.getMap().removeAllClasses();
+        }
+    }
+
+    // This class handles satellite class change events
+    private class SatelliteClassSpinnerListener implements AdapterView.OnItemSelectedListener {
+
+        @Override
+        public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+            ArrayList<String> classes = new ArrayList<String>(2);
+
+            switch(position) {
+                // Labels + Contours
+                case 0:
+                    classes.add("labels");
+                    classes.add("contours");
+                    mMapFragment.getMap().setClasses(classes);
+                    break;
+
+                // Labels Only
+                case 1:
+                    classes.add("labels");
+                    mMapFragment.getMap().setClasses(classes);
+                    break;
+
+                // No Labels
+                case 2:
+                    mMapFragment.getMap().setClasses(classes);
+                    break;
+
+                default:
+                    onNothingSelected(parent);
+                    break;
+            }
+        }
+
+        @Override
+        public void onNothingSelected(AdapterView<?> parent) {
+            mMapFragment.getMap().removeAllClasses();
+        }
+    }
+
     // Called when FPS changes
     public class MyOnFpsChangedListener implements MapView.OnFpsChangedListener {
 

android/java/app/src/main/res/layout/activity_main.xml

@@ -15,6 +15,12 @@
             android:id="@+id/spinner_style"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content" />
+
+        <Spinner
+            android:id="@+id/spinner_class"
+            android:visibility="invisible"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
     </android.support.v7.widget.Toolbar>
 
     <FrameLayout

android/java/app/src/main/res/values/strings.xml

@@ -16,8 +16,19 @@
         <item>Basic</item>
         <item>Outdoors</item>
         <item>Satellite</item>
-        <!--<item>Pencil</item>-->
-        <!--<item>Empty</item>-->
+        <item>Pencil</item>
+        <item>Empty</item>
+    </string-array>
+
+    <string-array name="outdoors_class_list">
+        <item>Day</item>
+        <item>Night</item>
+    </string-array>
+
+    <string-array name="satellite_class_list">
+        <item>Labels + Contours</item>
+        <item>Labels Only</item>
+        <item>No Labels</item>
     </string-array>
 
 </resources>

android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java

@@ -24,6 +24,7 @@ import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 import android.view.View;
 import android.view.ViewConfiguration;
+import android.widget.ArrayAdapter;
 import android.widget.ZoomButtonsController;
 
 import com.almeros.android.multitouch.gesturedetectors.RotateGestureDetector;
@@ -358,6 +359,28 @@ public class MapView extends SurfaceView {
         mNativeMapView.setClasses(classes);
     }
 
+    public void addClass(String clazz) {
+        mNativeMapView.addClass(clazz);
+    }
+
+    public void removeClass(String clazz) {
+        mNativeMapView.removeClass(clazz);
+    }
+
+    public boolean hasClass(String clazz) {
+        return mNativeMapView.hasClass(clazz);
+    }
+
+    public void removeAllClasses() {
+        removeAllClasses(0);
+    }
+
+    public void removeAllClasses(long transitionDuration) {
+        mNativeMapView.setDefaultTransitionDuration(transitionDuration);
+        ArrayList<String> classes = new ArrayList<String>(0);
+        setClasses(classes);
+    }
+
     //
     // Lifecycle events
     //
@@ -1145,7 +1168,6 @@ public class MapView extends SurfaceView {
         }
     }
 
-
     // Called when our Internet connectivity has changed
     private void onConnectivityChanged(boolean isConnected) {
         Log.v(TAG, "onConnectivityChanged: " + isConnected);