Fixed install terget for Android examples

OpenCVAndroidProject.cmake

@@ -132,5 +132,9 @@ macro(add_android_project _target _path)
             DEPENDS "${build_path}/bin/${_target}-debug.apk"
             DEPENDS "${CMAKE_BINARY_DIR}/bin/${_target}.apk"
             )
+
+        if("${ARGN}" STREQUAL "INSTALL" AND INSTALL_ANDROID_EXAMPLES)
+            install(FILES "${CMAKE_BINARY_DIR}/bin/${_target}.apk" DESTINATION "bin" COMPONENT main)
+        endif()
     endif()
-endmacro()
\ No newline at end of file
+endmacro()

samples/android/CMakeLists.txt

@@ -31,7 +31,7 @@ if (BUILD_ANDROID_EXAMPLES)
     
     foreach(sample ${android_samples})
         if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${sample}/AndroidManifest.xml")
-            add_android_project("${sample}" "${CMAKE_CURRENT_SOURCE_DIR}/${sample}")
+            add_android_project("${sample}" "${CMAKE_CURRENT_SOURCE_DIR}/${sample}" INSTALL)
         endif()
     endforeach()