A sample ndk project setup based on caffe-android-lib

README.md

The sample project structure is shown below.

.
├── android_lib
├── jni
│   ├── Android.mk
│   ├── Application.mk
│   ├── caffe_jni.cpp
│   ├── caffe_mobile.cpp
│   └── caffe_mobile.hpp
└── prebuilt
    ├── arm64-v8a
    ├── armeabi
    ├── armeabi-v7a
    ├── x86
    └── x86_64

Android.mk

LOCAL_PATH := $(call my-dir)

# C++ full library
# =======================================================
include $(CLEAR_VARS)
LOCAL_MODULE := caffe
LOCAL_SRC_FILES := $(LOCAL_PATH)/../prebuilt/$(TARGET_ARCH_ABI)/libcaffe.so
include $(PREBUILT_SHARED_LIBRARY)

#-----------------------------------------------------------------------------
include $(CLEAR_VARS)
LOCAL_MODULE := caffe_jni

LOCAL_SRC_FILES := caffe_jni.cpp caffe_mobile.cpp
LOCAL_C_INCLUDES := $(LOCAL_PATH)/../android_lib/caffe/include \
                    $(LOCAL_PATH)/../android_lib/boost/include \
                    $(LOCAL_PATH)/../android_lib/gflags/include \
                    $(LOCAL_PATH)/../android_lib/glog/include \
                    $(LOCAL_PATH)/../android_lib/protobuf/include \
                    $(LOCAL_PATH)/../android_lib/openblas/include \
                    $(LOCAL_PATH)/../android_lib/opencv/sdk/native/jni/include

#LOCAL_STATIC_LIBRARIES := openblas
LOCAL_SHARED_LIBRARIES := caffe
LOCAL_LDLIBS := -lm -llog
LOCAL_CPPFLAGS += -fexceptions -frtti -std=c++11 -DCPU_ONLY

# LOCAL_ARM_MODE  := arm

include $(BUILD_SHARED_LIBRARY)
# include $(BUILD_EXECUTABLE)

Application.mk

NDK_TOOLCHAIN_VERSION := 4.9
APP_PLATFORM := android-21
APP_STL := gnustl_static
APP_ABI := armeabi armeabi-v7a x86 arm64-v8a x86_64
APP_MODULE := libcaffe_jni