在列表视图中切换时滚动时自动获取检查android [英] Switches in listview automatically gets check android when scrolled
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问题描述
下面的代码片段出现在getView()中.
Below there is the snipset of my code present in getView() .
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
final ViewHolder holder;
final InterestItems temp;
temp = getItem(position);
if (convertView == null) {
LayoutInflater inflater = LayoutInflater.from(context);
convertView = inflater.inflate(layoutResource, null, false);
holder = new ViewHolder();
holder.tv_interest_name = (TextView) convertView.findViewById(R.id.tv_interestName_custom_row);
holder.switchCompat = (SwitchCompat) convertView.findViewById(R.id.switch_custom_row);
convertView.setTag(holder);
if(temp.isInterested)
{
holder.switchCompat.setChecked(true);
}
}
else {
holder = (ViewHolder) convertView.getTag();
}
holder.tv_interest_name.setText(temp.getInterestName());
holder.switchCompat.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
String name = temp.getInterestName();
if (isChecked) {
if (interfaceObject != null) {
interfaceObject.addedInterest(name, position);
list.get(position).setIsInterested(true);
}
} else {
if (interfaceObject != null) {
interfaceObject.removedInterest(name, position);
list.get(position).setIsInterested(false);
}
}
}
});
return convertView;
}
当我自动滚动时,将检查某些开关,但没有将任何值插入到数组中,也未在特定点命中调试器.我不明白为什么会这样.您的任何帮助将不胜感激.
When i scroll automatically some of the switches get checked but none of the value is inserted into the array nor the debugger is hit at a specific point . I can't understand why it is happening . Any help from your side will be appreciated .
推荐答案
使用以下代码:
listView.setOnScrollListener(lv_onScrollListener);
private OnScrollListener lv_onScrollListener = new OnScrollListener() {
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
}
public void onScrollStateChanged(AbsListView view, int scrollState) {
if (scrollState == OnScrollListener.SCROLL_STATE_IDLE) {
adapter.setScroll(false);
adapter.notifyDataSetChanged();
} else{
adapter.setScroll(true);
}
}
};
在适配器类中:
Boolean isScroll = false;
public void setScroll(Boolean status) {
isScroll = status;
}
checkBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
if (!isScroll)
{
//Do it here
}
}
});
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