conversion to dalvik format failed with error 1解决

右击项目选择“Build Path”--“Configure Build Path...”--“Java Build Path”--“Libraries”,

在JARS and class folders on the build path下面列表有两个选项Android.jar和Android 2.2,把Android.jar删除即可。

原文地址:https://www.cnblogs.com/gdjlc/p/2368692.html