BitmapFactory.decodeStream引起了OutOfMemory. 在decodeStream之前，通过设置options.inJustDecodeBounds = true;让Bitmap实现虚加载。

设置options.inJustDecodeBounds = true;让Bitmap实现虚加载。 使用options.outWidth和options.outHeight获取图片宽和高。 再使用ImageLoader.getInstance().displayImage加载图片。

public class PhotoViewFragment extends Fragment {    private PhotoView mGestureImageView;    private Bitmap mBitmap;    @Override    public View onCreateView(LayoutInflater inflater, final ViewGroup container, Bundle savedInstanceState) {        View inflateView = inflater.inflate(R.layout.fragment_photo_view_show, container, false);        mGestureImageView = (PhotoView) inflateView.findViewById(R.id.p_w_picpath_turn_show_gestureImageView);        getBundleData();        try {            /*减少内存占用*/            BitmapFactory.Options opt = new BitmapFactory.Options();            opt.inPreferredConfig = Bitmap.Config.RGB_565;            opt.inPurgeable = true;            opt.inInputShareable = true;            opt.inJustDecodeBounds = true;//虚加载            FileInputStream fis = new FileInputStream(Environment.getExternalStorageDirectory() + File.separator + "abc.png");            mBitmap = BitmapFactory.decodeStream(fis, null, opt);            int width = opt.outWidth;            int height = opt.outHeight;            if (height / width >= 1.6) {//判断横竖图                mGestureImageView.setScaleType(ImageView.ScaleType.CENTER_CROP);            } else {                mGestureImageView.setScaleType(ImageView.ScaleType.FIT_CENTER);            }            DisplayImageOptions op = new DisplayImageOptions.Builder()                    .cacheInMemory(true) // default                    .build();            Uri uri = Uri.fromFile(new File(Environment.getExternalStorageDirectory() + File.separator + "abc.png"));            ImageLoader.getInstance().displayImage(uri.toString(), mGestureImageView, op);        } catch (Exception e) {            Log.e("Fragment", "onCreateView p_w_picpath-view", e);        }        return inflateView;    }    /**     * 重置GestureImageView为原大小     */    public void resetGestureImageView() {        mGestureImageView.reset();    }    /**     * 获得Bundle     */    private void getBundleData() {        Bundle bundle = getArguments();    }    @Override    public void onPause() {        super.onPause();        mGestureImageView.reset();    }    @Override    public void onDestroy() {        super.onDestroy();        if (mBitmap != null && !mBitmap.isRecycled()) {            mBitmap.recycle();            mBitmap = null;        }    }}