WidgetController.java

package com.wm.remusic.widget;

import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.RelativeLayout;

/**
 * Created by wm on 2016/5/21.
 */
/*
* 获取、设置控件信息
*/
public class WidgetController {
    /*
    * 获取控件宽
    */
    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());
    }

    /*
    * 获取控件高
    */
    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());
    }

    /*
    * 设置控件所在的位置X，并且不改变宽高，
    * X为绝对位置，此时Y可能归0
    */
    public static void setLayoutX(View view, int x) {
        ViewGroup.MarginLayoutParams margin = new ViewGroup.MarginLayoutParams(view.getLayoutParams());
        margin.setMargins(x, margin.topMargin, x + margin.width, margin.bottomMargin);
        RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(margin);
        view.setLayoutParams(layoutParams);
    }

    /*
    * 设置控件所在的位置Y，并且不改变宽高，
    * Y为绝对位置，此时X可能归0
    */
    public static void setLayoutY(View view, int y) {
        ViewGroup.MarginLayoutParams margin = new ViewGroup.MarginLayoutParams(view.getLayoutParams());
        margin.setMargins(margin.leftMargin, y, margin.rightMargin, y + margin.height);
        RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(margin);
        view.setLayoutParams(layoutParams);
    }

    /*
    * 设置控件所在的位置YY，并且不改变宽高，
    * XY为绝对位置
    */
    public static void setLayout(View view, int x, int y) { //ViewGroup.MarginLayoutParams margin = new ViewGroup.MarginLayoutParams(group.getLayoutParams());
        ViewGroup.MarginLayoutParams margin = new ViewGroup.MarginLayoutParams(view.getLayoutParams());
        margin.setMargins(x, y, 0, 0);
        FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams(margin);
//        RelativeLayout.LayoutParams vlp = new RelativeLayout.LayoutParams(
//                ViewGroup.LayoutParams.WRAP_CONTENT,
//                ViewGroup.LayoutParams.WRAP_CONTENT);
//        vlp.setMargins(x,y, x+margin.width, y+margin.height);
        view.setLayoutParams(layoutParams);
        // view.setLayoutParams(vlp);
    }
}