@Override
public View instantiateItem(ViewGroup container, int position) {
View imageLayout = inflater.inflate(R.layout.item_show_picture, container, false);
final PhotoView photoView = (PhotoView) imageLayout.findViewById(R.id.photoview);
final ProgressBar progress = (ProgressBar) imageLayout.findViewById(R.id.progress);
final String imgUrl = mPhotos.get(position);
ImageLoader.getInstance()
.displayImage(
imgUrl,
photoView,
ImageLoadOptions.getOptions(),
new SimpleImageLoadingListener() {
@Override
public void onLoadingStarted(String imageUri, View view) {
// TODO Auto-generated method stub
progress.setVisibility(View.VISIBLE);
}
@Override
public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
// TODO Auto-generated method stub
progress.setVisibility(View.GONE);
}
@Override
public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
// TODO Auto-generated method stub
progress.setVisibility(View.GONE);
}
@Override
public void onLoadingCancelled(String imageUri, View view) {
// TODO Auto-generated method stub
progress.setVisibility(View.GONE);
}
});
container.addView(imageLayout, 0);
return imageLayout;
}
@Override
public View bindView(int arg0, View convertView, ViewGroup arg2) {
if (convertView == null) {
convertView = mInflater.inflate(R.layout.item_friendsstatus, null);
}
final String[] islike = new String[1]; // 用来记录是否赞过这条微博
islike[0] = "false";
final Blog blog = getList().get(arg0);
final Context context = convertView.getContext();
TextView brief = ViewHolder.get(convertView, R.id.edittext);
TextView time = ViewHolder.get(convertView, R.id.time);
final TextView name = ViewHolder.get(convertView, R.id.name);
final TextView num = ViewHolder.get(convertView, R.id.num);
final RoundImageView head = ViewHolder.get(convertView, R.id.head);
ImageView photo = ViewHolder.get(convertView, R.id.photo);
final ImageView like = ViewHolder.get(convertView, R.id.like);
final User user = BmobUser.getCurrentUser(context, User.class);
like.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View arg0) {
if (islike[0].equals("false")) {
// 将当前用户添加到Blog表中的likes字段值中，表明当前用户喜欢该帖子
BmobRelation relation = new BmobRelation();
// 将当前用户添加到多对多关联中
relation.add(user);
// 多对多关联指向`blog`的`likes`字段
blog.setLikes(relation);
blog.update(
context,
new UpdateListener() {
@Override
public void onSuccess() {
likesnum++;
islike[0] = "true";
num.setText(likesnum + "");
}
@Override
public void onFailure(int arg0, String arg1) {}
});
} else {
showTag("你已赞过这条动态！", Effects.standard, R.id.friends_status);
}
}
});
String photouri = blog.getPhoto().getFileUrl(convertView.getContext());
if (photouri != null && !photouri.equals("")) {
ImageLoader.getInstance().displayImage(photouri, photo, ImageLoadOptions.getOptions());
} else {
photo.setImageResource(R.drawable.defalutimage);
}
// 因为无法直接get到user的头像，所以需要到网络去拿
String uID = blog.getAuthor().getObjectId();
BmobQuery<User> query = new BmobQuery<User>();
query.getObject(
convertView.getContext(),
uID,
new GetListener<User>() {
@Override
public void onFailure(int arg0, String arg1) {}
@Override
public void onSuccess(User arg0) {
headuri = arg0.getAvatar();
if (headuri != null && !headuri.equals("")) {
ImageLoader.getInstance().displayImage(headuri, head, ImageLoadOptions.getOptions());
} else {
head.setImageResource(R.drawable.default_head);
}
name.setText(arg0.getUsername());
}
});
// 查询喜欢这个帖子的所有用户，因此查询的是用户表
BmobQuery<User> query2 = new BmobQuery<User>();
// likes是Blog表中的字段，用来存储所有喜欢该帖子的用户
query2.addWhereRelatedTo("likes", new BmobPointer(blog));
query2.findObjects(
convertView.getContext(),
new FindListener<User>() {
@Override
public void onSuccess(List<User> object) {
likesnum = object.size();
num.setText(likesnum + "");
for (int i = 0; i < object.size(); i++) {
if (object.get(i).getObjectId().equals(user.getObjectId())) {
islike[0] = "true";
like.setImageResource(R.drawable.youlike);
}
}
}
@Override
public void onError(int code, String msg) {}
});
brief.setText(blog.getBrief());
time.setText(blog.getCreatedAt());
return convertView;
}