Android view 转化为Bitmap并保存在本地

private void initView() {    // 获取图片某布局    final View view = findViewById(R.id.layout);    view.setDrawingCacheEnabled(true);    view.buildDrawingCache();    new Handler().postDelayed(new Runnable() {        @Override        public void run() {            final Bitmap bmp = view.getDrawingCache(); // 获取图片            savePicture(bmp, "shareimg.png");// 保存图片            view.destroyDrawingCache(); // 保存过后释放资源        }    }, 1000);}public void savePicture(Bitmap bm, String fileName) {    if (bm == null) {        Toast.makeText(this, "savePicture null !", Toast.LENGTH_SHORT).show();        Log.d("SSSSSSSSSSS", "savePicture: savePicture null ");        return;    }    File foder = new File("/sdcard/");    if (!foder.exists()) {        foder.mkdirs();    }    File myCaptureFile = new File(foder, fileName);    try {        if (!myCaptureFile.exists()) {            myCaptureFile.createNewFile();        }        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));        bm.compress(Bitmap.CompressFormat.JPEG, 90, bos);        bos.flush();        bos.close();    } catch (IOException e) {        e.printStackTrace();    }    Toast.makeText(this, "保存成功!", Toast.LENGTH_SHORT).show();    Log.d("SSSSSSSSSSS", "savePicture: 保存成功");    Bitmap bmpDefaultPic = null;    if (bmpDefaultPic == null)        bmpDefaultPic = BitmapFactory.decodeFile("/sdcard/shareimg.png", null);    image.setImageBitmap(bmpDefaultPic);//显示图片}
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