Androidstudio运行时报错

Question

Information:Gradle tasks [clean, :LRecyclerview_library:generateDebugSources, :LRecyclerview_library:generateDebugAndroidTestSources, :LRecyclerview_library:mockableAndroidJar, :LRecyclerview_library:prepareDebugUnitTestDependencies, :app:generateDebugSources, :app:mockableAndroidJar, :app:prepareDebugUnitTestDependencies, :app:generateDebugAndroidTestSources, :sweet-alert-dialog-library:generateDebugSources, :sweet-alert-dialog-library:generateDebugAndroidTestSources, :sweet-alert-dialog-library:mockableAndroidJar, :sweet-alert-dialog-library:prepareDebugUnitTestDependencies, :universalimageloader:generateDebugSources, :universalimageloader:mockableAndroidJar, :universalimageloader:prepareDebugUnitTestDependencies, :universalimageloader:generateDebugAndroidTestSources]
Error:java.lang.NullPointerException (no error message)
Information:BUILD FAILED
Information:Total time: 3.638 secs
Information:1 error
Information:0 warnings
Information:See complete output in console

我在Clean Project的时候报的错

我在运行项目时报的错

我也不知道是什么原因 知道的请告知一下，非常感谢

Answer 1

请参考：
https://github.com/anggrayudi...

Answer 2

NullPointerException
从你的错误信息分析你编译过程中缺少jar包或者工程引用