一、编译JNI so库的时候遇到下面的error
Android NDK: Your Android application project path contains spaces: 'C: Files/Android Studio/jre/jre'
Android NDK: The Android NDK build cannot work here. Please move your project to a different location.
二、原因不明，解决方法：编译jni的时候暂时把 app\build.gradle里面的 sourceSets 项目注释掉
