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diff --git a/Imgui/interface/ImGuiImplAndroid.hpp b/Imgui/interface/ImGuiImplAndroid.hpp
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+++ b/Imgui/interface/ImGuiImplAndroid.hpp
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+/*
+ *  Copyright 2019-2020 Diligent Graphics LLC
+ *  Copyright 2015-2019 Egor Yusov
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#pragma once
+
+#include <memory>
+#include <chrono>
+
+#include "ImGuiImplDiligent.hpp"
+
+namespace Diligent
+{
+
+class ImGuiImplAndroid final : public ImGuiImplDiligent
+{
+public:
+    ImGuiImplAndroid(IRenderDevice* pDevice,
+                     TEXTURE_FORMAT BackBufferFmt,
+                     TEXTURE_FORMAT DepthBufferFmt,
+                     Uint32         DisplayWidht,
+                     Uint32         DisplayHeight,
+                     Uint32         InitialVertexBufferSize = ImGuiImplDiligent::DefaultInitialVBSize,
+                     Uint32         InitialIndexBufferSize  = ImGuiImplDiligent::DefaultInitialIBSize);
+    ~ImGuiImplAndroid();
+
+    // clang-format off
+    ImGuiImplAndroid             (const ImGuiImplAndroid&)  = delete;
+    ImGuiImplAndroid             (      ImGuiImplAndroid&&) = delete;
+    ImGuiImplAndroid& operator = (const ImGuiImplAndroid&)  = delete;
+    ImGuiImplAndroid& operator = (      ImGuiImplAndroid&&) = delete;
+    // clang-format on
+
+    virtual void NewFrame() override final;
+
+    bool BeginDrag(float x, float y);
+    bool DragMove(float x, float y);
+    bool EndDrag();
+
+private:
+    std::chrono::time_point<std::chrono::high_resolution_clock> m_LastTimestamp = {};
+};
+
+} // namespace Diligent