Android:How to fix GridView in ScrollView can only show one line

As we known ,GridView in ScroolView or ListView will only show oneline.

The follow code will solve this problem 

import android.content.Context;import android.util.AttributeSet;import android.widget.GridView;public class ScrollerGridView extends GridView {	    private boolean haveScrollbar = true;   	    	    public ScrollerGridView(Context context) {   	        super(context);   	    }   	    public ScrollerGridView(Context context, AttributeSet attrs) {   	        super(context, attrs);   	    }   	    public ScrollerGridView(Context context, AttributeSet attrs, int defStyle) {   	        super(context, attrs, defStyle);   	    }   	    /**  	     * Set whether has ScrollView .Set false when you need show in scrollView .Default value is true 	     *   	     * @param haveScrollbars  	     */   	    public void setHaveScrollbar(boolean haveScrollbar) {   	        this.haveScrollbar = haveScrollbar;   	    }   	    	    @Override   	    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {   	        if (haveScrollbar == false) {   	            int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);   	            super.onMeasure(widthMeasureSpec, expandSpec);   	        } else {   	            super.onMeasure(widthMeasureSpec, heightMeasureSpec);   	        }   	    }   }

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