多图片的上传

一次性上传多张图片，并在上传的过程中可以继续添加、删除、点击重试等，显示失败、成功、加阴影蒙层等，注意图片对象的状态属性如：

private boolean isUploadFinish;//是否上传完成
private boolean isUploading;//是否正在上传
private boolean isUploaded;//是否被上传过
private int progress;//上传百分比
private boolean isCancelled;//是否取消上传
private boolean isFailed;//是否上传失败
private long uploadingId = -1 ;//上传成功返回的ID
private boolean selected;//是否被选中

通过不同属性状态来控制图片上传

//上传单张图片private void uploadPhoto(final ArrayList<Photo> selectPhotoList, final int photosId, final PhotoListAdapter adapter, final int flag, final int position) {        final Map<String, String> params = new HashMap<>();        new Thread(new Runnable() {            @Override            public void run() {                final Photo photo = selectPhotoList.get(position);                String path = selectPhotoList.get(position).getPhotoUrl();                String pictureBase64 = "";                if (NetworkUtil.isNetworkAvailable()) {//只在有网络的情况下才转为Base64字符串                    try {                        pictureBase64 = Base64.encodeToString(FileUtil.toByteArray(new File(path)), Base64.NO_WRAP);                    } catch (IOException e) {                        e.printStackTrace();                    }                }                String pic_suffix = path.substring(path.lastIndexOf(".") + 1, path.length());                // 开始上传                params.put("id", ((MainActivity) activity).id);                params.put("name", pic_suffix);                params.put("content", pictureBase64);                if (selectPhotoList.size() <= position) {                    return;                }           selectPhotoList.get(position).setUploaded(true);                adapter.setData(selectPhotoList);                OkHttpUtil.postContent(url, params, path, new ResultCallback<String>() {                    @Override                    public void onError(Request request, Exception e, int id) {                 if (selectPhotoList.contains(photo)) {                            int position = selectPhotoList.indexOf(photo);                            selectPhotoList.get(position).setFailed(true);                            selectPhotoList.get(position).setUploading(false);                            adapter.setData(selectPhotoList);                            adapter.notifyItemChanged(position);                        }                        //发消息给下一个上传任务                            mHandler.sendEmptyMessage(photosId);                                        }                    @Override                    public void onResponse(String responseString, int id) {                        BaseResponseObject responseObject = WebFrontUtil.getResponseObject(responseString);                        String message = responseObject.getResponseMessage();                        boolean status = responseObject.getResponseStatus();                        if (status) {                            if (selectPhotoList.contains(photo)) {                                int position = selectPhotoList.indexOf(photo);                                //获取图片id                                Long photoId = responseObject.getPhotoId();                                selectPhotoList.get(position).setUploadingId(photoId);                                //进度条消失                                selectPhotoList.get(position).setUploadFinish(true);                                selectPhotoList.get(position).setUploading(false);                                selectPhotoList.get(position).setFailed(false);                                adapter.setData(selectPhotoList);                                adapter.notifyItemChanged(position);                            }                            //发消息给下一个上传任务 mHandler.sendEmptyMessage(photosId);                            if (selectPhotoList.contains(photo)) {                                int position = selectPhotoList.indexOf(photo);                                selectPhotoList.get(position).setFailed(true);                                selectPhotoList.get(position).setUploading(false);                                adapter.setData(selectPhotoList);                                adapter.notifyItemChanged(position);                            }                            //发消息给下一个上传任务                         mHandler.sendEmptyMessage(photosId);                        }                    }                    @Override                    public void inProgress(float progress, int id) {                        super.inProgress(progress, id);                        int pro = (int) (100 * progress);                        if (selectPhotoList.contains(photo)) {                            int position = selectPhotoList.indexOf(photo);                            selectPhotoList.get(position).setProgress(pro);                            adapter.setData(selectPhotoList);                            adapter.notifyItemChanged(position);                        }                    }                });            }        }).start();    }