Turned off android camera and java wrappers for low Android API levels (android-8 is required for these components)

modules/CMakeLists.txt

@@ -3,8 +3,10 @@ if(ANDROID)
   if(ANDROID_API_LEVEL LESS 8)
     ADD_DEFINITIONS(-DGTEST_HAS_CLONE=0)
   endif()
-
-  add_subdirectory(androidcamera)
+  
+  IF(WITH_ANDROID_CAMERA)
+      add_subdirectory(androidcamera)
+  endif()
 endif()
 
 add_subdirectory(calib3d)

modules/highgui/CMakeLists.txt

@@ -211,7 +211,7 @@ if(APPLE)
     endif()
 endif(APPLE)
 
-if(ANDROID)
+if(WITH_ANDROID_CAMERA)
   include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../androidcamera/include")
   set(highgui_srcs ${highgui_srcs} src/cap_android.cpp)
   add_definitions(-DHAVE_ANDROID_NATIVE_CAMERA)
@@ -333,7 +333,7 @@ if(NOT ZLIB_FOUND)
     add_dependencies(${the_target} zlib)
 endif()
 
-if(ANDROID)
+if(WITH_ANDROID_CAMERA)
     add_dependencies(${the_target} opencv_androidcamera)
 endif()
 
@@ -377,7 +377,7 @@ if(BUILD_TESTS)
                       "${CMAKE_CURRENT_BINARY_DIR}")
 
   set(test_deps opencv_ts opencv_highgui opencv_imgproc)
-  if(ANDROID)
+  if(WITH_ANDROID_CAMERA)
     set(test_deps ${test_deps} opencv_androidcamera)
   endif()
 

modules/java/CMakeLists.txt

@@ -5,7 +5,7 @@ project(opencv_java)
 
 SET(OPENCV_JAVA_MODULES objdetect features2d imgproc video highgui ml core)
 SET(OPENCV_EXTRA_JAVA_MODULES calib3d contrib legacy flann)
-IF(ANDROID AND NOT BUILD_SHARED_LIBS)
+IF(WITH_ANDROID_CAMERA AND NOT BUILD_SHARED_LIBS)
     LIST(APPEND OPENCV_EXTRA_JAVA_MODULES androidcamera)
 ENDIF()