GridView

http://www.apkbus.com/android-51442-1-1.html

GirdView属性介绍
android:numColumns="auto_fit" --------列数设置为自动
android:columnWidth="90dp"，----------每列的宽度，也就是Item的宽度
android:stretchMode="columnWidth"------缩放与列宽大小同步
android:verticalSpacing="10dp"----------垂直边距
android:horizontalSpacing="10dp"-------水平边距

GridView嵌套问题 - 防止压扁, 显示不全
/**
* GridView防止压扁
*/
public class MyGridView extends GridView {

        public MyGridView(Context context, AttributeSet attrs) {
            super(context, attrs);
        }
    
        public MyGridView(Context context) {
            super(context);
        }
    
        public MyGridView(Context context, AttributeSet attrs, int defStyle) {
            super(context, attrs, defStyle);
        }
    
        @Override
        public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
            super.onMeasure(widthMeasureSpec, expandSpec);
        }
    }