First, when the value of Paddingtop is set, the content of scrolling does not pass through the Paddingtop area (as shown), the workaround is to set the android:cliptopadding= "false" to
Second, when the Paddingright property is set, the scroll bar appears inside, to want the scroll bar to appear outside, set the android:scrollbarstyle= "outsideoverlay" property.
Third, click on the GridView item, the item on both sides of the extra blank section, set android:stretchmode= "None" attribute can be.
Iv. when the GridView calls Setonitemclicklistener, ensure that the clickable property of item is False
Reference: Http://stackoverflow.com/questions/15844710/padding-bars-remain-when-scrolling-gridview
Http://stackoverflow.com/questions/19677532/android-gridview-item-width-issue
http://www.trinea.cn/android/android-scrollbarstyle/
"Android" GridView several more useful properties and issues to be aware of