ANDROID 突然不能跑

編譯都過 之前都可以正常跑動 但剛剛要跑的時候就掛掉了 我都沒改裡面程式碼 可是出現了這些錯誤訊息 有人可以幫我解決嗎拜託

10-06 05:08:02.687: E/AndroidRuntime(524): FATAL EXCEPTION: main
10-06 05:08:02.687: E/AndroidRuntime(524): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.imformation/com.imformation.CatchimformationActivity}: java.lang.NumberFormatException: unable to parse 'null' as integer
10-06 05:08:02.687: E/AndroidRuntime(524):         at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
10-06 05:08:02.687: E/AndroidRuntime(524):         at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
10-06 05:08:02.687: E/AndroidRuntime(524):         at android.app.ActivityThread.access$1500(ActivityThread.java:117)
10-06 05:08:02.687: E/AndroidRuntime(524):         at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
10-06 05:08:02.687: E/AndroidRuntime(524):         at android.os.Handler.dispatchMessage(Handler.java:99)
10-06 05:08:02.687: E/AndroidRuntime(524):         at android.os.Looper.loop(Looper.java:123)
10-06 05:08:02.687: E/AndroidRuntime(524):         at android.app.ActivityThread.main(ActivityThread.java:3683)
10-06 05:08:02.687: E/AndroidRuntime(524):         at java.lang.reflect.Method.invokeNative(Native Method)
10-06 05:08:02.687: E/AndroidRuntime(524):         at java.lang.reflect.Method.invoke(Method.java:507)
10-06 05:08:02.687: E/AndroidRuntime(524):         at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
10-06 05:08:02.687: E/AndroidRuntime(524):         at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
10-06 05:08:02.687: E/AndroidRuntime(524):         at dalvik.system.NativeStart.main(Native Method)
10-06 05:08:02.687: E/AndroidRuntime(524): Caused by: java.lang.NumberFormatException: unable to parse 'null' as integer
10-06 05:08:02.687: E/AndroidRuntime(524):         at java.lang.Integer.parseInt(Integer.java:356)
10-06 05:08:02.687: E/AndroidRuntime(524):         at java.lang.Integer.parseInt(Integer.java:332)
10-06 05:08:02.687: E/AndroidRuntime(524):         at java.lang.Integer.valueOf(Integer.java:506)
10-06 05:08:02.687: E/AndroidRuntime(524):         at com.imformation.CatchimformationActivity.onCreate(CatchimformationActivity.java:121)
10-06 05:08:02.687: E/AndroidRuntime(524):         at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
10-06 05:08:02.687: E/AndroidRuntime(524):         at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
10-06 05:08:02.687: E/AndroidRuntime(524):         ... 11 more

Caused by: java.lang.NumberFormatException: unable to parse 'null' as integer
at java.lang.Integer.parseInt(Integer.java:356)
at java.lang.Integer.parseInt(Integer.java:332)
at java.lang.Integer.valueOf(Integer.java:506)


自己查看是否 datatype convent 时候出现问题