andorid有关屏幕方面的工具

来源：互联网发布：分层匹配追踪算法编辑：程序博客网时间：2024/05/21 03:15
package com.sun.framework.Utils;import android.content.Context;import android.util.DisplayMetrics;import android.util.TypedValue;import android.view.View;import android.view.ViewTreeObserver;import android.view.WindowManager;public class ScreenUtils {    private Context context;    private WindowManager windowManager;    public ScreenUtils(Context context){        this.context = context;        this.windowManager = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);    }    /** dp转化为px工具 */    public int dp2px(float dp) {        return (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,                context.getResources().getDisplayMetrics());    }    public int getScreenWidth(){        DisplayMetrics dm = new DisplayMetrics();        windowManager.getDefaultDisplay().getMetrics(dm);        return dm.widthPixels;    }    public int getScreenheight(){        DisplayMetrics dm = new DisplayMetrics();        windowManager.getDefaultDisplay().getMetrics(dm);        return dm.heightPixels;    }    public static void ViewWidthHeight(final View view, final ViewOnGlobalLayoutListener viewOnGlobalLayoutListener){        view.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {            public void onGlobalLayout() {                viewOnGlobalLayoutListener.onGlobalLayout(view, view.getWidth(),view.getHeight());                view.getViewTreeObserver().removeGlobalOnLayoutListener(this);            }        });    }    public interface ViewOnGlobalLayoutListener{        void onGlobalLayout(View view, int width, int Height);    }}
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