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NullPointerException

发表于: 2015-06-27   作者:Cb123456   来源:转载   浏览:
摘要:     java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference     出现以上异常.然后就在baidu上

 

  java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference

 

  出现以上异常.然后就在baidu上搜,结果终于找到一个靠谱点的了.参见:

http://stackoverflow.com/questions/28601476/java-lang-nullpointerexception-attempt-to-invoke-virtual-method-int-android-vi

 

   虽然是英语的,看看就差不多了,知道什么意思了.

   I'm trying to put together a shopping list app , based on input fields , ArrayList, and ListView. The app will be based on Fragments. However, I have encountered a problem and I do not know how to solve it

  I looked around on both Google and StackOverflow have found some information . However , I have not got it to work. Now hope that I can get help with my code .

I'm relatively inexperienced in Android development .

Thanks in advance

 

  之后给出了错误:

  In your public View getView method change return null to convertView;

 

  然后,我就解决了,突然觉得我是不是要在学学英语了.

 

 

  

NullPointerException

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