<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

 private void screenshot()

    {

        // 获取屏幕

        View dView = getWindow().getDecorView();

        dView.setDrawingCacheEnabled(true);

        dView.buildDrawingCache();

        Bitmap bmp = dView.getDrawingCache();

        if (bmp != null)

        {

            try {

                // 获取内置SD卡路径

                String sdCardPath = Environment.getExternalStorageDirectory().getPath();

                // 图片文件路径

                String filePath = sdCardPath + File.separator + "screenshot.png";

                File file = new File(filePath);

                FileOutputStream os = new FileOutputStream(file);

                bmp.compress(Bitmap.CompressFormat.PNG, 100, os);

                os.flush();

                os.close();

            } catch (Exception e) {

            }

        }

    }

 //  这里是截取状态栏
@Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

       // getMenuInflater().inflate(R.menu.activity_main, menu);

        return true;

    }

 private void screenshot1(String Strname)

    {

        /**

         * Strname--如  2.png  需要带后缀

         * */

        // 获取屏幕

        View dView = getWindow().getDecorView();

        dView.setDrawingCacheEnabled(true);

        dView.buildDrawingCache();

        Bitmap bmp = dView.getDrawingCache();

        if (bmp != null)

        {

            try {

                // 获取内置SD卡路径

                String sdCardPath = Environment.getExternalStorageDirectory().getPath();

                // 图片文件路径

                File filedir = new File(sdCardPath + File.separator + "AA");  // 这里的AA为创建的AA文件夹，在根目录下

                if (!filedir.exists()) {

                    filedir.mkdirs();

                }

                File saveFile = new File(filedir, Strname);  //  aaaa.txt保存到AA文件夹下

                FileOutputStream outStream1 = new FileOutputStream(saveFile);

                System.out.println(outStream1.toString());

                ByteArrayOutputStream stream = new ByteArrayOutputStream();

                bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);

                byte[] byteArray = stream.toByteArray();

                outStream1.write(byteArray);

                outStream1.close();

                Toast.makeText(Zhuye_Activity.this,"截图保存成功",Toast.LENGTH_SHORT).show();

                dView.setDrawingCacheEnabled(false);  // 这里不设置false，那么下次截图还是上次的图片

            } catch (Exception e) {

            }

        }

    }