andorid有关屏幕方面的工具

蔚落 2022-06-10 14:17 106阅读 0赞

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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