Android之ScrollView嵌套ListView和GridView冲突的解决方法

那么里面的ScrollView高度计算就会出现问题。我们也就无法得到想要的效果。
核心解决方案： 重写ListView或者GridView的onMesure 方法。
复制代码 代码如下:
public class MyListView extends ListView {
        public MyListView(Context context) {
                super(context);
        }
        public MyListView(Context context, AttributeSet attrs) {
                super(context, attrs);
        }
        public MyListView(Context context, AttributeSet attrs, int defStyle) {
                super(context, attrs, defStyle);
        }
        @Override
        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
                int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2,
                                MeasureSpec.AT_MOST);
                super.onMeasure(widthMeasureSpec, expandSpec);
        }
}

GridView
复制代码 代码如下:
public class MyGridView extends GridView {  
    private boolean haveScrollbar = true;  
    public MyGridView(Context context) {  
        super(context);  
    }  
    public MyGridView(Context context, AttributeSet attrs) {  
        super(context, attrs);  
    }  
    public MyGridView(Context context, AttributeSet attrs, int defStyle) {  
        super(context, attrs, defStyle);  
    }  
      
    public void setHaveScrollbar(boolean haveScrollbar) {  
        this.haveScrollbar = haveScrollbar;  
    }  
    @Override  
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {  
        if (haveScrollbars == false) {  
            int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);  
            super.onMeasure(widthMeasureSpec, expandSpec);  
        } else {  
            super.onMeasure(widthMeasureSpec, heightMeasureSpec);  
        }  
    }  
}