sheishuoAPP/uikit/res/layout/nim_picker_images_fragment.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/white" >
    
    <GridView
        android:id="@+id/picker_images_gridview"
        style="@style/grid_view"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:horizontalSpacing="2dp"
        android:listSelector="@color/transparent"
        android:numColumns="4"
        android:verticalSpacing="2dp" 
        android:fastScrollEnabled="false">
    </GridView>

</RelativeLayout>