-1
我已經在這個項目上工作了幾個星期了，突然之間我得到了這個java.lang.NullPointerException。它編譯得很好。但是當我運行它時，我收到了這個錯誤。
因此，我改變了工作空間，並加載了我的項目的一個以前的工作版本，我一直把它作爲備份。還有同樣的問題。這款應用程序加載，即使第一個佈局之前崩潰......我的android項目變得「java.lang.NullPointerException」
這裏是我的logcat：
06-28 20:04:46.428: D/AndroidRuntime(382): Shutting down VM
06-28 20:04:46.428: W/dalvikvm(382): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
06-28 20:04:46.542: E/AndroidRuntime(382): FATAL EXCEPTION: main
06-28 20:04:46.542: E/AndroidRuntime(382): java.lang.RuntimeException: Unable to start activity ComponentInfo{cloud.mobile/cloud.mobile.MCActivity}: java.lang.NullPointerException
06-28 20:04:46.542: E/AndroidRuntime(382): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
06-28 20:04:46.542: E/AndroidRuntime(382): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
06-28 20:04:46.542: E/AndroidRuntime(382): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
06-28 20:04:46.542: E/AndroidRuntime(382): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
06-28 20:04:46.542: E/AndroidRuntime(382): at android.os.Handler.dispatchMessage(Handler.java:99)
06-28 20:04:46.542: E/AndroidRuntime(382): at android.os.Looper.loop(Looper.java:123)
06-28 20:04:46.542: E/AndroidRuntime(382): at android.app.ActivityThread.main(ActivityThread.java:4627)
06-28 20:04:46.542: E/AndroidRuntime(382): at java.lang.reflect.Method.invokeNative(Native Method)
06-28 20:04:46.542: E/AndroidRuntime(382): at java.lang.reflect.Method.invoke(Method.java:521)
06-28 20:04:46.542: E/AndroidRuntime(382): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
06-28 20:04:46.542: E/AndroidRuntime(382): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
06-28 20:04:46.542: E/AndroidRuntime(382): at dalvik.system.NativeStart.main(Native Method)
06-28 20:04:46.542: E/AndroidRuntime(382): Caused by: java.lang.NullPointerException
06-28 20:04:46.542: E/AndroidRuntime(382): at cloud.mobile.MCActivity.setLoggedIn(MCActivity.java:279)
06-28 20:04:46.542: E/AndroidRuntime(382): at cloud.mobile.MCActivity.onCreate(MCActivity.java:198)
06-28 20:04:46.542: E/AndroidRuntime(382): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
06-28 20:04:46.542: E/AndroidRuntime(382): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
06-28 20:04:46.542: E/AndroidRuntime(382): ... 11 more
P.S，今天早些時候，我有一些字符串數組，並在其中動態存儲播放。這是我第一次收到此錯誤..
清理您的版本，重新編譯您的應用程序並重試 – GETah
嘗試先調試它。該錯誤清楚地發生在cloud.mobile.MCActivity.setLoggedIn（MCActivity.java:279） – ekholm