listview 显示错误
listview 的 Item内有一个image,需要根据条件显示图片,代码如下:
if (flagData != null) {
int msgLen = flagData.size();
if (msgLen > 0) {
for (int i = 0; i < msgLen; i++) {
msg_id = flagData.get(i).getMsg_id();
Log.d(TAG, "getView -> msg_id -> " + msg_id);
Log.d(TAG, "getView -> data.get(position).getId() -> "
+ data.get(position).getId());
count = flagData.get(i).getMsg_count();
Log.d(TAG, "getView -> count -> " + count);
// int isRead = flagData.get(i).getMsg_state();
if ((data.get(position).getId() == msg_id) && (count > 0)
&& (flagData.get(i).getMsg_state() == 0)
&& flag == false) {
holder.redPoint.setVisibility(View.VISIBLE);
} else {
holder.redPoint.setVisibility(View.GONE);
}
}
}
}
不加else { holder = (ViewHolder) convertView.getTag(); holder.gridview_layout.removeAllViews(); }这段代码,上下刷新list时红点回错乱,如果加了else,同时2条数据满足条件,只有第一条会显示,第2条就显示不出来。
当data.get(position).getId() == msg_id) && (count > 0)
&& (flagData.get(i).getMsg_state() == 0)
&& flag == false
这些条件满足时image显示图片,但是现在发现条件满足了也无法显示,是我的getView写的有问题吗?
flagData数据如下:
initFlagDatas -> flagData -> MoreMsgInfo [user_id=3384, msg_id=4994, msg_type=0, msg_state=0, msg_count=1]
initFlagDatas -> flagData -> MoreMsgInfo [user_id=3384, msg_id=4995, msg_type=0, msg_state=0, msg_count=2]
initFlagDatas -> flagData -> MoreMsgInfo [user_id=3384, msg_id=5018, msg_type=0, msg_state=0, msg_count=2]
initFlagDatas -> flagData -> MoreMsgInfo [user_id=3384, msg_id=5019, msg_type=0, msg_state=0, msg_count=1]
initFlagDatas -> flagData -> MoreMsgInfo [user_id=3384, msg_id=5061, msg_type=0, msg_state=0, msg_count=0]
initFlagDatas -> flagData -> MoreMsgInfo [user_id=3384, msg_id=5062, msg_type=0, msg_state=0, msg_count=0]
initFlagDatas -> flagData -> MoreMsgInfo [user_id=3384, msg_id=5069, msg_type=0, msg_state=0, msg_count=0]
initFlagDatas -> flagData -> MoreMsgInfo [user_id=3384, msg_id=5070, msg_type=0, msg_state=1, msg_count=1]
getview:
final ViewHolder holder;
item = data.get(position);
if (convertView == null) {
holder = new ViewHolder();
convertView = (ViewGroup) LayoutInflater.from(context).inflate(
R.layout.weiboone_listview_item, null);
holder.day = (TextView) convertView.findViewById(R.id.day);
holder.textView_content = (TextView) convertView
.findViewById(R.id.textView_content);
holder.textView_time = (TextView) convertView
.findViewById(R.id.textView_time);
holder.gridview_layout = (LinearLayout) convertView
.findViewById(R.id.gridview_layout);
holder.redPoint = (ImageView) convertView
.findViewById(R.id.image_redpoint);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
holder.gridview_layout.removeAllViews();
}