drive Android rendering from the main thread via invalidate() calls

2 files changed, 4 insertions, 0 deletions

diff --git a/include/mbgl/android/jni.hpp b/include/mbgl/android/jni.hpp
index 721104897d..48e2740b09 100644
--- a/include/mbgl/android/jni.hpp
+++ b/include/mbgl/android/jni.hpp
@@ -16,6 +16,7 @@ extern std::string dataPath;
 extern std::string apkPath;
 extern std::string androidRelease;
 
+extern jmethodID onInvalidateId;
 extern jmethodID onMapChangedId;
 extern jmethodID onFpsChangedId;
 
diff --git a/include/mbgl/android/native_map_view.hpp b/include/mbgl/android/native_map_view.hpp
index 8c632fb1fe..9b89e7305c 100644
--- a/include/mbgl/android/native_map_view.hpp
+++ b/include/mbgl/android/native_map_view.hpp
@@ -46,6 +46,8 @@ public:
     void enableFps(bool enable);
     void updateFps();
 
+    void onInvalidate();
+
 private:
     EGLConfig chooseConfig(const EGLConfig configs[], EGLint numConfigs);
 
@@ -76,6 +78,7 @@ private:
     mbgl::DefaultFileSource fileSource;
     mbgl::Map map;
 
+    std::atomic_flag clean = ATOMIC_FLAG_INIT;
 };
 }
 }