加入收藏 | 设为首页 | 会员中心 | 我要投稿 李大同 (https://www.lidatong.com.cn/)- 科技、建站、经验、云计算、5G、大数据,站长网!
当前位置: 首页 > 编程开发 > Java > 正文

获得屏幕相关的Android辅助类

发布时间:2020-12-15 00:17:34 所属栏目:Java 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 import android.app.Activity; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Rect; import android.ut

以下代码由PHP站长网 52php.cn收集自互联网

现在PHP站长网小编把它分享给大家,仅供参考

    import android.app.Activity;  
    import android.content.Context;  
    import android.graphics.Bitmap;  
    import android.graphics.Rect;  
    import android.util.DisplayMetrics;  
    import android.view.View;  
    import android.view.WindowManager;  
      
    //获得屏幕相关的辅助类  
    public class ScreenUtils  
    {  
        private ScreenUtils()  
        {  
            /* cannot be instantiated */  
            throw new UnsupportedOperationException("cannot be instantiated");  
        }  
      
        /** 
         * 获得屏幕高度 
         *  
         * @param context 
         * @return 
         */  
        public static int getScreenWidth(Context context)  
        {  
            WindowManager wm = (WindowManager) context  
                    .getSystemService(Context.WINDOW_SERVICE);  
            DisplayMetrics outMetrics = new DisplayMetrics();  
            wm.getDefaultDisplay().getMetrics(outMetrics);  
            return outMetrics.widthPixels;  
        }  
      
        /** 
         * 获得屏幕宽度 
         *  
         * @param context 
         * @return 
         */  
        public static int getScreenHeight(Context context)  
        {  
            WindowManager wm = (WindowManager) context  
                    .getSystemService(Context.WINDOW_SERVICE);  
            DisplayMetrics outMetrics = new DisplayMetrics();  
            wm.getDefaultDisplay().getMetrics(outMetrics);  
            return outMetrics.heightPixels;  
        }  
      
        /** 
         * 获得状态栏的高度 
         *  
         * @param context 
         * @return 
         */  
        public static int getStatusHeight(Context context)  
        {  
      
            int statusHeight = -1;  
            try  
            {  
                Class<?> clazz = Class.forName("com.android.internal.R$dimen");  
                Object object = clazz.newInstance();  
                int height = Integer.parseInt(clazz.getField("status_bar_height")  
                        .get(object).toString());  
                statusHeight = context.getResources().getDimensionPixelSize(height);  
            } catch (Exception e)  
            {  
                e.printStackTrace();  
            }  
            return statusHeight;  
        }  
      
        /** 
         * 获取当前屏幕截图,包含状态栏 
         *  
         * @param activity 
         * @return 
         */  
        public static Bitmap snapShotWithStatusBar(Activity activity)  
        {  
            View view = activity.getWindow().getDecorView();  
            view.setDrawingCacheEnabled(true);  
            view.buildDrawingCache();  
            Bitmap bmp = view.getDrawingCache();  
            int width = getScreenWidth(activity);  
            int height = getScreenHeight(activity);  
            Bitmap bp = null;  
            bp = Bitmap.createBitmap(bmp,width,height);  
            view.destroyDrawingCache();  
            return bp;  
      
        }  
      
        /** 
         * 获取当前屏幕截图,不包含状态栏 
         *  
         * @param activity 
         * @return 
         */  
        public static Bitmap snapShotWithoutStatusBar(Activity activity)  
        {  
            View view = activity.getWindow().getDecorView();  
            view.setDrawingCacheEnabled(true);  
            view.buildDrawingCache();  
            Bitmap bmp = view.getDrawingCache();  
            Rect frame = new Rect();  
            activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);  
            int statusBarHeight = frame.top;  
      
            int width = getScreenWidth(activity);  
            int height = getScreenHeight(activity);  
            Bitmap bp = null;  
            bp = Bitmap.createBitmap(bmp,statusBarHeight,height  
                    - statusBarHeight);  
            view.destroyDrawingCache();  
            return bp;  
      
        }  
      
    }  

以上内容由PHP站长网【52php.cn】收集整理供大家参考研究

如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。

(编辑:李大同)

【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容!

    推荐文章
      热点阅读