1.7号 java.lang.ClassNotFoundException: Didn't find class "tv.pptv.MainActivity
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Caused by: java.lang.ClassNotFoundException: Didn't find class "tv.pps.ipdx.MainActivity" on path: /data/app/tv.pptv.apk
很多人出现了java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{*****Activity}: java.lang.ClassNotFoundException: Didn't find class "*****Activity" on path: /data/app/*******.apk的错误,在android开发中,我也遇到了这个问题,纠结了一下午,终于解决了,结合http://blog.csdn.net/lovexieyuan520/article/details/9032797,
1在Java Build Path面板下的Order and Export中,一定要把你引入的jar文件,勾上,否则,跟没引用一样,我就是勾上后就可以编译通过了。
2Manifest文件中注册的Activity的名称,有没有写错,包名有没有搞错,有些网友,可能只写一个类名,前面用点号代替,但是这个类不在默认的包内,所以报这个错,那么只要写上类的全名,即可。
3有些android,需要一些第三方的包,直接将其引入,在以前是可以的,但是在最新的adt中不行,必须在程序中新建一个libs文件夹,将第三方的jar文件copy到libs文件夹中,才行,很多人因为这样才报错,特别是以前的项目,默认并没有这个libs文件夹,但是新版本的adt,默认就建了libs这个文件夹
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