java.lang.ClassCastException: android.app.ContextImpl
问题 I am trying to incorporate ScoreNinja into my little game: http://scoreninja.appspot.com/ However, a runtime exception is thrown every time: 05-24 23:22:59.888: ERROR/AndroidRuntime(21237): FATAL EXCEPTION: main 05-24 23:22:59.888: ERROR/AndroidRuntime(21237): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.shaq.pushcounter/com.shaq.pushcounter.ChickenPushupTimer}: java.lang.ClassCastException: android.app.ContextImpl 05-24 23:22:59.888: ERROR/AndroidRuntime(21237): at