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獲取控件大小和設(shè)置調(diào)整控件的位置XY示例

更新時(shí)間：2013年06月19日 15:15:50 作者：

我需要的設(shè)置控件相對(duì)屏幕左上角的X 、Y位置，而不是自己本身位置的偏移，下面與大家介紹下怎么獲取設(shè)置控件的信息

網(wǎng)上很多人對(duì)設(shè)置控件的位置都使用view.setPadding(left, top, right, bottom) ，其實(shí)這玩意很差勁，它是設(shè)置自己本身位置的偏移，我們很少需要這種效果，我需要的設(shè)置控件相對(duì)屏幕左上角的X 、Y位置。眾里尋他千百度，驀然回首，那人卻在燈火闌珊處！

復(fù)制代碼代碼如下:

 
import android.view.View; 
import android.view.ViewGroup.MarginLayoutParams; 
import android.widget.RelativeLayout; 
/* 
* 獲取、設(shè)置控件信息 
*/ 
public class WidgetController { 
/* 
* 獲取控件寬 
*/ 
public static int getWidth(View view) 
{ 
int w = View.MeasureSpec.makeMeasureSpec(0,View.MeasureSpec.UNSPECIFIED); 
int h = View.MeasureSpec.makeMeasureSpec(0,View.MeasureSpec.UNSPECIFIED); 
view.measure(w, h); 
return (view.getMeasuredWidth()); 
} 
/* 
* 獲取控件高 
*/ 
public static int getHeight(View view) 
{ 
int w = View.MeasureSpec.makeMeasureSpec(0,View.MeasureSpec.UNSPECIFIED); 
int h = View.MeasureSpec.makeMeasureSpec(0,View.MeasureSpec.UNSPECIFIED); 
view.measure(w, h); 
return (view.getMeasuredHeight()); 
} 

/* 
* 設(shè)置控件所在的位置X，并且不改變寬高， 
* X為絕對(duì)位置，此時(shí)Y可能歸0 
*/ 
public static void setLayoutX(View view,int x) 
{ 
MarginLayoutParams margin=new MarginLayoutParams(view.getLayoutParams()); 
margin.setMargins(x,margin.topMargin, x+margin.width, margin.bottomMargin); 
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(margin); 
view.setLayoutParams(layoutParams); 
} 
/* 
* 設(shè)置控件所在的位置Y，并且不改變寬高， 
* Y為絕對(duì)位置，此時(shí)X可能歸0 
*/ 
public static void setLayoutY(View view,int y) 
{ 
MarginLayoutParams margin=new MarginLayoutParams(view.getLayoutParams()); 
margin.setMargins(margin.leftMargin,y, margin.rightMargin, y+margin.height); 
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(margin); 
view.setLayoutParams(layoutParams); 
} 
/* 
* 設(shè)置控件所在的位置YY，并且不改變寬高， 
* XY為絕對(duì)位置 
*/ 
public static void setLayout(View view,int x,int y) 
{ 
MarginLayoutParams margin=new MarginLayoutParams(view.getLayoutParams()); 
margin.setMargins(x,y, x+margin.width, y+margin.height); 
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(margin); 
view.setLayoutParams(layoutParams); 
} 
} 