Android的单元测试：仪器仪表失败，原因是一类错误

本文介绍了Android的单元测试：仪器仪表失败，原因是一类错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我运行在一个Android模拟器使用Robotium测试。当我运行我的测试，我得到一个错误说测试失败运行到completion.Reason：仪表失败，原因是

I am running a test using Robotium on an android emulator. When I run my test I get an error saying "Test failed to run to completion.Reason: Instrumentation failed due to

com.example.android.businesslogic.TestBL$1

我检查错误的的logcat的，我看到以下

I check the logcat for error's and I see following

W/ActivityManager( 51) com.example.android.businesslogic.TestBL$1 W/ActivityManager( 51) java.lang.NoClassDefFoundError: com.example.android.businesslogic.TestBL$1

我的应用程序没有任何错误，都可以流畅运行，它只是当我做单元测试，我得到这个。任何帮助深表AP preciated。

My application has no error and can run smoothly, its just when I do the unit test that I get into this. Any help is deeply appreciated.

推荐答案

删除以及适当的类路径和路径的apk再次创建测试项目。你只需要创建一个测试项目，包括任何外部JAR的，如果你有。这为我工作。

Delete and Create the test project again with proper class paths and the path to apk. You just have to create a test project and include any external Jar's if you have. This worked for me.