我通过点击eclipse中的run来安装我的应用程序。 当我搜索我的应用程序来启动它并点击它时,出现以下错误。 我必须添加一些神奇的短语到清单吗?搜索后启动Android应用程序
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.Questionaire/com.Questionaire.FillInput}: java.lang.NullPointerException
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2596)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2621)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at android.app.ActivityThread.access$2200(ActivityThread.java:126)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1932)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at android.os.Handler.dispatchMessage(Handler.java:99)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at android.os.Looper.loop(Looper.java:123)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at android.app.ActivityThread.main(ActivityThread.java:4595)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at java.lang.reflect.Method.invokeNative(Native Method)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at java.lang.reflect.Method.invoke(Method.java:521)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at dalvik.system.NativeStart.main(Native Method)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): Caused by: java.lang.NullPointerException
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at com.Questionaire.FillInput.onCreate(FillInput.java:94)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2544)
09-21 11:25:33.138: ERROR/AndroidRuntime(23360): ... 11 more
09-21 11:26:16.488: ERROR/ActivityManager(82): fail to set top app changed!