catkin_make error with android ndk

[gongyue666]

hi, nowadays I follow the tutorial:" Wrapping your native code as a rosjava node", when I catkin_make for the jni (2.1-7), error comes:Process 'command '/home/gy/Android/Sdk/ndk-bundle/ndk-build'' finished with non-zero exit value 2. the steps before 2.1-7 I have finished successfully.my sdk tool version is 25.0.2, sdk have 25,21,18,15,13.10, and my ubuntu is 16.04 ros Kinetic.here is my `Android.mk:LOCAL_PATH := $(call my-dir)
ROS_NDK_PATH := /home/gy/ros-android-ndk/roscpp_android/output/target

include $(CLEAR_VARS)
LOCAL_MODULE := chatter_jni
LOCAL_SRC_FILES := src/chatter_jni.cpp
LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
LOCAL_LDLIBS := -landroid -llog
LOCAL_STATIC_LIBRARIES := ROS_NDK_PATH
include $(BUILD_SHARED_LIBRARY)

$(call import-add-path, /home/gy/ros-android-ndk/roscpp_android/output)
$(call import-module, ROS_NDK_PATH)and this is build.gradle under app folder:dependencies {
compile('org.ros.android_core:android_10:[0.3, 0.4)') {
exclude group: 'junit'
exclude group: 'xml-apis'
}
}

apply plugin: 'com.android.application'

tasks.withType(JavaCompile) {
compileTask -> compileTask.dependsOn ndkBuild
}

task ndkBuild(type: Exec) {
Properties properties = new Properties()
properties.load(project.rootProject.file('local.properties').newDataInputStream())
def ndkbuild = properties.getProperty('ndk.dir', null)
commandLine ndkbuild + '/ndk-build', '-C', file('src/main/jni').absolutePath
}

android {
compileSdkVersion 25
defaultConfig {
minSdkVersion 15
targetSdkVersion 25
versionCode 1
versionName "1.0"
}
sourceSets.main {
jniLibs.srcDir 'src/main/libs';
jni.srcDirs = []
}
}`
where is the bug?plz help~

[gongyue666]

here is my project :https://github.com/gongyue666/ros-ndk/tree/master/androidpkg1, plz point out my faults, thx very much~

[gongyue666]

I slove the problem.I copy ~/ros-android-ndk/roscpp_android/output/target/lib(and inlcude) to ~/ros-android-ndk/roscpp_android/output/roscpp_android_ndk/, these should be there when make ros-android-ndk pkg, but I don't know mine not.