A few scripts to each making the sample.

android/android-opencv/README.txt

 =========================================
 CMake Build
 =========================================
+#path to the android build of opencv
+opencv_dir=`pwd`/../build
 mkdir build
 cd build
-cmake -DCMAKE_TOOLCHAIN_FILE=$ANDTOOLCHAIN ..
+cmake -DOpenCV_DIR=$opencv_dir -DCMAKE_TOOLCHAIN_FILE=$ANDTOOLCHAIN ..
 
 =========================================
 Android Build
 =========================================
 sh project_create.sh
 ant compile
-ant install
+

android/android-opencv/cmake_android.sh

+opencv_dir=`pwd`/../build
+mkdir build
+cd build
+cmake -DOpenCVDIR=$opencv_dir -DCMAKE_TOOLCHAIN_FILE=$ANDTOOLCHAIN ..
+

android/android-opencv/cmake_android_neon.sh

+opencv_dir=`pwd`/../build_neon
+mkdir build_neon
+cd build_neon
+cmake -DOpenCV_DIR=$opencv_dir -DARM_TARGETS="armeabi-v7a with NEON" -DCMAKE_TOOLCHAIN_FILE=$ANDTOOLCHAIN ..
+

android/apps/OpenCV_SAMPLE/cmake_android_neon.sh

+mkdir build_neon
+cd build_neon
+cmake -DOpenCV_DIR=../../../build_neon -DAndroidOpenCV_DIR=../../../android-opencv/build_neon -DARM_TARGETS="armeabi-v7a with NEON" -DCMAKE_TOOLCHAIN_FILE=$ANDTOOLCHAIN ..
+

android/cmake_android_neon.sh

+mkdir build_neon
+cd build_neon
+cmake -C ../CMakeCache.android.initial.cmake -DARM_TARGETS="armeabi-v7a with NEON" -DCMAKE_TOOLCHAIN_FILE=$ANDTOOLCHAIN ../..
+