1 files changed, 47 insertions, 0 deletions
diff --git a/platform/android/src/style/layers/background_layer.cpp b/platform/android/src/style/layers/background_layer.cpp
index 9915f3894e..a8f013b230 100644
--- a/platform/android/src/style/layers/background_layer.cpp
+++ b/platform/android/src/style/layers/background_layer.cpp
@@ -5,6 +5,7 @@
 #include <string>
 
 #include "../conversion/property_value.hpp"
+#include "../conversion/transition_options.hpp"
 
 namespace mbgl {
 namespace android {
@@ -40,18 +41,58 @@ namespace android {
         return jni::Object<jni::ObjectTag>(*converted);
     }
 
+    jni::Object<TransitionOptions> BackgroundLayer::getBackgroundColorTransition(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        mbgl::style::TransitionOptions options = layer.as<mbgl::style::BackgroundLayer>()->BackgroundLayer::getBackgroundColorTransition();
+        return *convert<jni::Object<TransitionOptions>>(env, options);
+    }
+
+    void BackgroundLayer::setBackgroundColorTransition(jni::JNIEnv&, jlong duration, jlong delay) {
+        mbgl::style::TransitionOptions options;
+        options.duration.emplace(mbgl::Milliseconds(duration));
+        options.delay.emplace(mbgl::Milliseconds(delay));
+        layer.as<mbgl::style::BackgroundLayer>()->BackgroundLayer::setBackgroundColorTransition(options);
+    }
+
     jni::Object<jni::ObjectTag> BackgroundLayer::getBackgroundPattern(jni::JNIEnv& env) {
         using namespace mbgl::android::conversion;
         Result<jni::jobject*> converted = convert<jni::jobject*>(env, layer.as<mbgl::style::BackgroundLayer>()->BackgroundLayer::getBackgroundPattern());
         return jni::Object<jni::ObjectTag>(*converted);
     }
 
+    jni::Object<TransitionOptions> BackgroundLayer::getBackgroundPatternTransition(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        mbgl::style::TransitionOptions options = layer.as<mbgl::style::BackgroundLayer>()->BackgroundLayer::getBackgroundPatternTransition();
+        return *convert<jni::Object<TransitionOptions>>(env, options);
+    }
+
+    void BackgroundLayer::setBackgroundPatternTransition(jni::JNIEnv&, jlong duration, jlong delay) {
+        mbgl::style::TransitionOptions options;
+        options.duration.emplace(mbgl::Milliseconds(duration));
+        options.delay.emplace(mbgl::Milliseconds(delay));
+        layer.as<mbgl::style::BackgroundLayer>()->BackgroundLayer::setBackgroundPatternTransition(options);
+    }
+
     jni::Object<jni::ObjectTag> BackgroundLayer::getBackgroundOpacity(jni::JNIEnv& env) {
         using namespace mbgl::android::conversion;
         Result<jni::jobject*> converted = convert<jni::jobject*>(env, layer.as<mbgl::style::BackgroundLayer>()->BackgroundLayer::getBackgroundOpacity());
         return jni::Object<jni::ObjectTag>(*converted);
     }
 
+    jni::Object<TransitionOptions> BackgroundLayer::getBackgroundOpacityTransition(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        mbgl::style::TransitionOptions options = layer.as<mbgl::style::BackgroundLayer>()->BackgroundLayer::getBackgroundOpacityTransition();
+        return *convert<jni::Object<TransitionOptions>>(env, options);
+    }
+
+    void BackgroundLayer::setBackgroundOpacityTransition(jni::JNIEnv&, jlong duration, jlong delay) {
+        mbgl::style::TransitionOptions options;
+        options.duration.emplace(mbgl::Milliseconds(duration));
+        options.delay.emplace(mbgl::Milliseconds(delay));
+        layer.as<mbgl::style::BackgroundLayer>()->BackgroundLayer::setBackgroundOpacityTransition(options);
+    }
+
+
     jni::Class<BackgroundLayer> BackgroundLayer::javaClass;
 
     jni::jobject* BackgroundLayer::createJavaPeer(jni::JNIEnv& env) {
@@ -71,8 +112,14 @@ namespace android {
             std::make_unique<BackgroundLayer, JNIEnv&, jni::String>,
             "initialize",
             "finalize",
+            METHOD(&BackgroundLayer::getBackgroundColorTransition, "nativeGetBackgroundColorTransition"),
+            METHOD(&BackgroundLayer::setBackgroundColorTransition, "nativeSetBackgroundColorTransition"),
             METHOD(&BackgroundLayer::getBackgroundColor, "nativeGetBackgroundColor"),
+            METHOD(&BackgroundLayer::getBackgroundPatternTransition, "nativeGetBackgroundPatternTransition"),
+            METHOD(&BackgroundLayer::setBackgroundPatternTransition, "nativeSetBackgroundPatternTransition"),
             METHOD(&BackgroundLayer::getBackgroundPattern, "nativeGetBackgroundPattern"),
+            METHOD(&BackgroundLayer::getBackgroundOpacityTransition, "nativeGetBackgroundOpacityTransition"),
+            METHOD(&BackgroundLayer::setBackgroundOpacityTransition, "nativeSetBackgroundOpacityTransition"),
             METHOD(&BackgroundLayer::getBackgroundOpacity, "nativeGetBackgroundOpacity"));
     }