@Override
public View getView(int position, View convertView, ViewGroup parent) {
ItemViewTag viewTag;
Bitmap bitmap;
if (convertView == null) {
convertView = mInflater.inflate(R.layout.group_grid_view_item, null);
viewTag =
new ItemViewTag(
(CircleImageView) convertView.findViewById(R.id.grid_avatar),
(TextView) convertView.findViewById(R.id.grid_name),
(ImageView) convertView.findViewById(R.id.grid_delete_icon));
convertView.setTag(viewTag);
} else {
viewTag = (ItemViewTag) convertView.getTag();
}
if (position < mCurrentNum) {
UserInfo userInfo = mMemberList.get(position);
viewTag = (ItemViewTag) convertView.getTag();
viewTag.icon.setVisibility(View.VISIBLE);
viewTag.name.setVisibility(View.VISIBLE);
bitmap = NativeImageLoader.getInstance().getBitmapFromMemCache(userInfo.getUserName());
if (bitmap != null) viewTag.icon.setImageBitmap(bitmap);
else {
// 如果mediaID为空，表明用户没有设置过头像，用默认头像
if (TextUtils.isEmpty(userInfo.getAvatar())) {
viewTag.icon.setImageResource(R.drawable.head_icon);
} else {
File file = userInfo.getAvatarFile();
// 如果本地存在头像
if (file != null && file.isFile()) {
bitmap =
BitmapLoader.getBitmapFromFile(file.getAbsolutePath(), mDefaultSize, mDefaultSize);
NativeImageLoader.getInstance().updateBitmapFromCache(userInfo.getUserName(), bitmap);
viewTag.icon.setImageBitmap(bitmap);
// 从网上拿头像
} else {
viewTag.icon.setImageResource(R.drawable.head_icon);
final String userName = userInfo.getUserName();
userInfo.getAvatarFileAsync(
new DownloadAvatarCallback() {
@Override
public void gotResult(int status, String desc, File file) {
if (status == 0) {
Bitmap bitmap =
BitmapLoader.getBitmapFromFile(
file.getAbsolutePath(), mDefaultSize, mDefaultSize);
NativeImageLoader.getInstance().updateBitmapFromCache(userName, bitmap);
notifyDataSetChanged();
}
}
});
}
}
}
if (TextUtils.isEmpty(userInfo.getNickname())) {
viewTag.name.setText(userInfo.getUserName());
} else {
viewTag.name.setText(userInfo.getNickname());
}
}
// 是Delete状态
if (mIsShowDelete) {
if (position < mCurrentNum) {
UserInfo userInfo = mMemberList.get(position);
// 群主不能删除自己
if (userInfo.getUserName().equals(JMessageClient.getMyInfo().getUserName()))
viewTag.deleteIcon.setVisibility(View.GONE);
else viewTag.deleteIcon.setVisibility(View.VISIBLE);
} else {
viewTag.deleteIcon.setVisibility(View.INVISIBLE);
viewTag.icon.setVisibility(View.INVISIBLE);
viewTag.name.setVisibility(View.INVISIBLE);
}
// 非Delete状态
} else {
viewTag.deleteIcon.setVisibility(View.INVISIBLE);
if (position < mCurrentNum) {
viewTag.icon.setVisibility(View.VISIBLE);
viewTag.name.setVisibility(View.VISIBLE);
} else if (position == mCurrentNum) {
viewTag = (ItemViewTag) convertView.getTag();
viewTag.icon.setImageResource(R.drawable.chat_detail_add);
viewTag.icon.setVisibility(View.VISIBLE);
viewTag.name.setVisibility(View.INVISIBLE);
// 设置删除群成员按钮
} else if (position == mCurrentNum + 1) {
if (mIsCreator && mCurrentNum > 1) {
viewTag = (ItemViewTag) convertView.getTag();
viewTag.icon.setImageResource(R.drawable.chat_detail_del);
viewTag.icon.setVisibility(View.VISIBLE);
viewTag.name.setVisibility(View.INVISIBLE);
} else {
viewTag = (ItemViewTag) convertView.getTag();
viewTag.icon.setVisibility(View.GONE);
viewTag.name.setVisibility(View.GONE);
}
// 空白项
} else {
viewTag = (ItemViewTag) convertView.getTag();
viewTag.icon.setVisibility(View.INVISIBLE);
viewTag.name.setVisibility(View.INVISIBLE);
}
}
return convertView;
}
