[Android] a null pointer exception is reported by the Adapter of the custom ListView. Solution: androidlistview

[Android] a null pointer exception is reported by the Adapter of the custom ListView. Solution: androidlistview

The ViewHolder method is just used to pull the ListView data, but an exception is always reported. Check the code carefully.

Then open the adapter class and find that the return value of getView is null.

Return null.

After you change null to view, the system returns to normal.

Android: Custom adapter, null pointer exception

ImageView imageView = (ImageView) (convertView. findViewById (R. id. activity07_img); give it a try

An empty pointer of the android program is abnormal,

Are you using simpleAdapter to add content to ListView? Check the adapter. The set imported at the beginning may be empty. The error message is displayed in getCount ()