【转】android屏幕截图

最新推荐文章于 2025-12-11 19:27:08 发布

转载最新推荐文章于 2025-12-11 19:27:08 发布 · 275 阅读

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#android #null #string

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截图

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本文提供了一个简单的Android屏幕截图方法，通过创建Bitmap并去除状态栏部分来实现屏幕内容的完整捕获，最后将截图保存到SD卡。

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android屏幕截图

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    import java.io.FileNotFoundException; 

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    import java.io.FileOutputStream; 

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    import java.io.IOException; 

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    import android.app.Activity; 

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    import android.graphics.Bitmap; 

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    import android.graphics.Rect; 

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    import android.view.View; 

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    public class ScreenShot
 { 

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        //
 获取指定Activity的截屏，保存到png文件 

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        private static Bitmap
 takeScreenShot(Activity activity){ 

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            //View是你需要截图的View 

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            View
 view = activity.getWindow().getDecorView(); 

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            view.setDrawingCacheEnabled(true); 

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            view.buildDrawingCache(); 

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            Bitmap
 b1 = view.getDrawingCache(); 

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            //获取状态栏高度 

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            Rect
 frame = new Rect();   

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            activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);   

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            int statusBarHeight
 = frame.top;   

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            System.out.println(statusBarHeight); 

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            //获取屏幕长和高 

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            int width
 = activity.getWindowManager().getDefaultDisplay().getWidth();   

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            int height
 = activity.getWindowManager().getDefaultDisplay().getHeight();   

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            //去掉标题栏 

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            //Bitmap
 b = Bitmap.createBitmap(b1, 0, 25, 320, 455); 

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            Bitmap
 b = Bitmap.createBitmap(b1, 0,
 statusBarHeight, width, height - statusBarHeight); 

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            view.destroyDrawingCache(); 

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            return b; 

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        } 

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        //保存到sdcard 

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        private static void savePic(Bitmap
 b,String strFileName){ 

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            FileOutputStream
 fos = null; 

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            try { 

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                fos
 = new FileOutputStream(strFileName); 

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                if (null !=
 fos) 

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                { 

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                    b.compress(Bitmap.CompressFormat.PNG, 90,
 fos); 

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                    fos.flush(); 

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                    fos.close(); 

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                } 

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            } catch (FileNotFoundException
 e) { 

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                e.printStackTrace(); 

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            } catch (IOException
 e) { 

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                e.printStackTrace(); 

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            } 

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        } 

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        //程序入口 

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        public static void shoot(Activity
 a){ 

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            ScreenShot.savePic(ScreenShot.takeScreenShot(a), "sdcard/xx.png"); 

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        } 

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    }