[android] - expose source layer identifier

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/CircleLayer.java

@@ -59,6 +59,15 @@ public CircleLayer withSourceLayer(String sourceLayer) {
     return this;
   }
 
+  /**
+   * Get the source layer.
+   *
+   * @return sourceLayer the source layer to get
+   */
+  public String getSourceLayer() {
+    return nativeGetSourceLayer();
+  }
+
   /**
    * Set a single filter.
    *

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/FillLayer.java

@@ -59,6 +59,15 @@ public FillLayer withSourceLayer(String sourceLayer) {
     return this;
   }
 
+  /**
+   * Get the source layer.
+   *
+   * @return sourceLayer the source layer to get
+   */
+  public String getSourceLayer() {
+    return nativeGetSourceLayer();
+  }
+
   /**
    * Set a single filter.
    *

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/Layer.java

@@ -73,6 +73,8 @@ public void setMaxZoom(float zoom) {
 
   protected native void nativeSetSourceLayer(String sourceLayer);
 
+  protected native String nativeGetSourceLayer();
+
   protected native float nativeGetMinZoom();
 
   protected native float nativeGetMaxZoom();

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/LineLayer.java

@@ -59,6 +59,15 @@ public LineLayer withSourceLayer(String sourceLayer) {
     return this;
   }
 
+  /**
+   * Get the source layer.
+   *
+   * @return sourceLayer the source layer to get
+   */
+  public String getSourceLayer() {
+    return nativeGetSourceLayer();
+  }
+
   /**
    * Set a single filter.
    *

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/SymbolLayer.java

@@ -59,6 +59,15 @@ public SymbolLayer withSourceLayer(String sourceLayer) {
     return this;
   }
 
+  /**
+   * Get the source layer.
+   *
+   * @return sourceLayer the source layer to get
+   */
+  public String getSourceLayer() {
+    return nativeGetSourceLayer();
+  }
+
   /**
    * Set a single filter.
    *

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/layer.java.ejs

@@ -79,6 +79,15 @@ public class <%- camelize(type) %>Layer extends Layer {
 
 <% } -%>
 <% if (type !== 'background' && type !== 'raster') { -%>
+  /**
+   * Get the source layer.
+   *
+   * @return sourceLayer the source layer to get
+   */
+  public String getSourceLayer() {
+    return nativeGetSourceLayer();
+  }
+
   /**
    * Set a single filter.
    *
@@ -99,7 +108,7 @@ public class <%- camelize(type) %>Layer extends Layer {
     return this;
   }
 
-<% } -%>
+<% }  -%>
   /**
    * Set a property or properties.
    *

platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/style/BackgroundLayerTest.java

@@ -234,7 +234,6 @@ public void testBackgroundOpacityAsCameraFunction() {
     assertEquals(1, ((ExponentialStops) layer.getBackgroundOpacity().getFunction().getStops()).size());
   }
 
-
   @After
   public void unregisterIntentServiceIdlingResource() {
     Espresso.unregisterIdlingResources(idlingResource);

platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/style/CircleLayerTest.java

@@ -83,6 +83,21 @@ public void testSetVisibility() {
     assertEquals(layer.getVisibility().getValue(), NONE);
   }
 
+  @Test
+  public void testSourceLayer() {
+    checkViewIsDisplayed(R.id.mapView);
+    Timber.i("Visibility");
+    assertNotNull(layer);
+
+    // Get initial
+    assertEquals(layer.getSourceLayer(), "composite");
+
+    // Set
+    final String sourceLayer = "test";
+    layer.setSourceLayer(sourceLayer);
+    assertEquals(layer.getSourceLayer(), sourceLayer);
+  }
+
   @Test
   public void testCircleRadiusTransition() {
     checkViewIsDisplayed(R.id.mapView);
@@ -737,7 +752,6 @@ public void testCircleTranslateAsCameraFunction() {
     assertEquals(1, ((ExponentialStops) layer.getCircleTranslate().getFunction().getStops()).size());
   }
 
-
   @Test
   public void testCircleTranslateAnchorAsConstant() {
     checkViewIsDisplayed(R.id.mapView);
@@ -774,7 +788,6 @@ public void testCircleTranslateAnchorAsCameraFunction() {
     assertEquals(1, ((IntervalStops) layer.getCircleTranslateAnchor().getFunction().getStops()).size());
   }
 
-
   @Test
   public void testCirclePitchScaleAsConstant() {
     checkViewIsDisplayed(R.id.mapView);
@@ -1259,7 +1272,6 @@ public void testCircleStrokeOpacityAsCompositeFunction() {
     assertEquals(0.9f, stop.out, 0.001f);
   }
 
-
   @After
   public void unregisterIntentServiceIdlingResource() {
     Espresso.unregisterIdlingResources(idlingResource);

platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/style/FillLayerTest.java

@@ -83,6 +83,20 @@ public void testSetVisibility() {
     assertEquals(layer.getVisibility().getValue(), NONE);
   }
 
+  @Test
+  public void testSourceLayer() {
+    checkViewIsDisplayed(R.id.mapView);
+    Timber.i("Visibility");
+    assertNotNull(layer);
+
+    // Get initial
+    assertEquals(layer.getSourceLayer(), "composite");
+
+    // Set
+    final String sourceLayer = "test";
+    layer.setSourceLayer(sourceLayer);
+    assertEquals(layer.getSourceLayer(), sourceLayer);
+  }
 
   @Test
   public void testFillAntialiasAsConstant() {
@@ -594,7 +608,6 @@ public void testFillTranslateAsCameraFunction() {
     assertEquals(1, ((ExponentialStops) layer.getFillTranslate().getFunction().getStops()).size());
   }
 
-
   @Test
   public void testFillTranslateAnchorAsConstant() {
     checkViewIsDisplayed(R.id.mapView);
@@ -679,7 +692,6 @@ public void testFillPatternAsCameraFunction() {
     assertEquals(1, ((IntervalStops) layer.getFillPattern().getFunction().getStops()).size());
   }
 
-
   @After
   public void unregisterIntentServiceIdlingResource() {
     Espresso.unregisterIdlingResources(idlingResource);

platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/style/LineLayerTest.java

@@ -83,6 +83,20 @@ public void testSetVisibility() {
     assertEquals(layer.getVisibility().getValue(), NONE);
   }
 
+  @Test
+  public void testSourceLayer() {
+    checkViewIsDisplayed(R.id.mapView);
+    Timber.i("Visibility");
+    assertNotNull(layer);
+
+    // Get initial
+    assertEquals(layer.getSourceLayer(), "composite");
+
+    // Set
+    final String sourceLayer = "test";
+    layer.setSourceLayer(sourceLayer);
+    assertEquals(layer.getSourceLayer(), sourceLayer);
+  }
 
   @Test
   public void testLineCapAsConstant() {
@@ -120,7 +134,6 @@ public void testLineCapAsCameraFunction() {
     assertEquals(1, ((IntervalStops) layer.getLineCap().getFunction().getStops()).size());
   }
 
-
   @Test
   public void testLineJoinAsConstant() {
     checkViewIsDisplayed(R.id.mapView);
@@ -157,7 +170,6 @@ public void testLineJoinAsCameraFunction() {
     assertEquals(1, ((IntervalStops) layer.getLineJoin().getFunction().getStops()).size());
   }
 
-
   @Test
   public void testLineMiterLimitAsConstant() {
     checkViewIsDisplayed(R.id.mapView);
@@ -195,7 +207,6 @@ public void testLineMiterLimitAsCameraFunction() {
     assertEquals(1, ((ExponentialStops) layer.getLineMiterLimit().getFunction().getStops()).size());
   }
 
-
   @Test
   public void testLineRoundLimitAsConstant() {
     checkViewIsDisplayed(R.id.mapView);
@@ -573,7 +584,6 @@ public void testLineTranslateAsCameraFunction() {
     assertEquals(1, ((ExponentialStops) layer.getLineTranslate().getFunction().getStops()).size());
   }
 
-
   @Test
   public void testLineTranslateAnchorAsConstant() {
     checkViewIsDisplayed(R.id.mapView);
@@ -1226,7 +1236,6 @@ public void testLinePatternAsCameraFunction() {
     assertEquals(1, ((IntervalStops) layer.getLinePattern().getFunction().getStops()).size());
   }
 
-
   @After
   public void unregisterIntentServiceIdlingResource() {
     Espresso.unregisterIdlingResources(idlingResource);

platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/style/RasterLayerTest.java

@@ -426,7 +426,6 @@ public void testRasterFadeDurationAsCameraFunction() {
     assertEquals(1, ((ExponentialStops) layer.getRasterFadeDuration().getFunction().getStops()).size());
   }
 
-
   @After
   public void unregisterIntentServiceIdlingResource() {
     Espresso.unregisterIdlingResources(idlingResource);