[android] layer list accessor + example

1 files changed, 14 insertions, 0 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 6e05932167..8624feaecb 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
@@ -40,6 +40,7 @@ import java.io.Reader;
 import java.io.StringWriter;
 import java.io.Writer;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 import timber.log.Timber;
@@ -150,6 +151,9 @@ public class RuntimeStyleActivity extends AppCompatActivity {
   @Override
   public boolean onOptionsItemSelected(MenuItem item) {
     switch (item.getItemId()) {
+      case R.id.action_list_layers:
+        listLayers();
+        return true;
       case R.id.action_water_color:
         setWaterColor();
         return true;
@@ -197,6 +201,16 @@ public class RuntimeStyleActivity extends AppCompatActivity {
     }
   }
 
+  private void listLayers() {
+    List<Layer> layers = mapboxMap.getLayers();
+    StringBuilder builder = new StringBuilder("Layers:");
+    for (Layer layer : layers) {
+      builder.append("\n");
+      builder.append(layer.getId());
+    }
+    Toast.makeText(this, builder.toString(), Toast.LENGTH_LONG).show();
+  }
+
   private void setLayerInvisible() {
     String[] roadLayers = new String[] {"water"};
     for (String roadLayer : roadLayers) {