这是非常奇怪的,当我滚动缓慢或中等一切都是好的,但然后我滚动真的很快,有时(1/5)图片加载在错误的位置。
View mView;
ViewHolder holder;
if (convertView == null) {
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mView = inflater.inflate(R.layout.item_suggested_user, parent, false);
holder = new ViewHolder();
holder.circleImage = (CircleImageView) mView.findViewById(R.id.circle_image);
holder.fullName = (TextView) mView.findViewById(R.id.item_suggested_fullname);
holder.img1 = (SmartImageView) mView.findViewById(R.id.item_suggested_img1);
mView.setTag(holder);
}else{
mView = convertView;
holder = (ViewHolder) mView.getTag();
}
final SuggestedUsersModel item = (SuggestedUsersModel) getItem(position);
holder.fullName.setText(mList.get(position).getFullname());
if (item.getProfilepictureurl() != null) {
Picasso.with(mContext)
.load(item.getProfilepictureurl().replaceAll(" ", "%20"))
.placeholder(R.drawable.ic_contact)
.error(android.R.drawable.ic_dialog_alert)
.into(holder.circleImage);
} else {
holder.circleImage.setImageResource(R.drawable.ic_contact);
}
String type = item.getPosts().get(0).getMediatype();
//For Image 1
if (type.equalsIgnoreCase("text")) {
holder.img1.setImageResource(R.drawable.text_post_background);
} else if (type.equalsIgnoreCase("image")) {
if (item.getPosts().get(0).getUri() != null) {
Picasso.with(mContext)
.load(item.getPosts().get(0).getUri().replaceAll(" ", "%20"))
.placeholder(R.drawable.ic_contact)
.error(android.R.drawable.ic_dialog_alert)
.into(holder.img1);
} else {
holder.img1.setImageResource(R.drawable.ic_contact);
}
} else {
if (item.getPosts().get(0).getThumbnailuri() != null) {
Picasso.with(mContext)
.load(item.getPosts().get(0).getThumbnailuri().replaceAll(" ", "%20"))
.placeholder(R.drawable.ic_contact)
.error(android.R.drawable.ic_dialog_alert)
.into(holder.img1);
} else {
holder.img1.setImageResource(R.drawable.ic_contact);
}
}
我用的是毕加索,但我几乎尝试了所有的方法,结果都是一样的。我已经知道列表视图是如何工作的,所有的重用项目,但这我不能解释为什么会发生。
请给我一些想法和解决方案。由于
UPDATE 1:我添加了按钮,并且我在单击时更改文本,所以这里再次发生相同的情况(当滚动按钮在其他位置混淆时),所以它不是用于加载图片的库。
convertView
不使用if-else
条件
把,
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mView = inflater.inflate(R.layout.item_suggested_user, parent, false);
holder = new ViewHolder();
holder.circleImage = (CircleImageView) mView.findViewById(R.id.circle_image);
holder.fullName = (TextView) mView.findViewById(R.id.item_suggested_fullname);
holder.img1 = (SmartImageView) mView.findViewById(R.id.item_suggested_img1);
让我知道发生了什么