[android] using @Keep annotation across the project with the help of lint checks

1 files changed, 13 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/BackgroundLayer.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/BackgroundLayer.java
index 0a0c3f1e43..ddb4d04fff 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/BackgroundLayer.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/BackgroundLayer.java
@@ -3,6 +3,7 @@
 package com.mapbox.mapboxsdk.style.layers;
 
 import android.support.annotation.ColorInt;
+import android.support.annotation.Keep;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.annotation.UiThread;
@@ -26,6 +27,7 @@ public class BackgroundLayer extends Layer {
    *
    * @param nativePtr pointer used by core
    */
+  @Keep
   public BackgroundLayer(long nativePtr) {
     super(nativePtr);
   }
@@ -40,6 +42,7 @@ public class BackgroundLayer extends Layer {
     initialize(layerId);
   }
 
+  @Keep
   protected native void initialize(String layerId);
 
   /**
@@ -165,25 +168,35 @@ public class BackgroundLayer extends Layer {
     nativeSetBackgroundOpacityTransition(options.getDuration(), options.getDelay());
   }
 
+  @Keep
   private native Object nativeGetBackgroundColor();
 
+  @Keep
   private native TransitionOptions nativeGetBackgroundColorTransition();
 
+  @Keep
   private native void nativeSetBackgroundColorTransition(long duration, long delay);
 
+  @Keep
   private native Object nativeGetBackgroundPattern();
 
+  @Keep
   private native TransitionOptions nativeGetBackgroundPatternTransition();
 
+  @Keep
   private native void nativeSetBackgroundPatternTransition(long duration, long delay);
 
+  @Keep
   private native Object nativeGetBackgroundOpacity();
 
+  @Keep
   private native TransitionOptions nativeGetBackgroundOpacityTransition();
 
+  @Keep
   private native void nativeSetBackgroundOpacityTransition(long duration, long delay);
 
   @Override
+  @Keep
   protected native void finalize() throws Throwable;
 
 }