Some special properties of the GridView:
1.android:numcolumns= "Auto_fit" the number of columns in the//gridview is set to Automatic
2.android:columnwidth= "90DP" //width of each column, which is the width of item
3.android:stretchmode= "ColumnWidth" //Zoom synchronized with column width size
4.android:verticalspacing= "10DP" margin between//two rows
5.android:horizontalspacing= "10DP" margin between//two columns
6.android:cachecolorhint= "#00000000" //Remove the default black background when dragging
7.android:listselector= "#00000000" //Remove the yellow background when selected
8.android:scrollbars= "None" //Hide the GridView scroll bar
9.android:fadescrollbars= "true" //set to True to enable auto-hide and display of scroll bars
10.android:fastscrollenabled= "true" //gridview a fast scrolling button (at least 4 page scrolling is displayed)
11.android:fadingedge= "None" //gridview fading (Fade) edge color is empty, the default value is vertical. (Can be understood as the top and bottom edge of the hint color)
12.android:fadingedgelength= "10dip" //define the length of the fading (fade) edge
13.android:stackfrombottom= "true" //set to True, your list will appear at the bottom of your list
14.android:transcriptmode= "Alwaysscroll" //When you add data dynamically, the list will automatically scroll down the latest entries to automatically scroll to the viewable range
15.android:drawselectorontop= "false" //Click on a record and the color will be the background color after the record, the text of the content is visible (default is False)