[英]Android cardview onclick implementation
我列出了一张卡片视图列表,这些视图序列的时间范围是从0:00到23:00,间隔为15分钟,即[0:00,0:15,....,22:45、23:00 ]现在,我想对卡片实施onClick,每当我单击一张卡片时,卡片中都会有一个复选框,其选中状态设置为true;当我单击另一张卡片时,先前单击的卡片复选框将设置为false,不可见,而新的将包含一个选中的复选框
public class SuggestTimeCardAdapter extends RecyclerView.Adapter<SuggestTimeCardAdapter.ViewHolder> {
private Context context;
List<SuggestTimeList> suggestTimeLists;
public SuggestTimeCardAdapter(List<SuggestTimeList> suggestTimeLists, Context context){
super();
this.suggestTimeLists = suggestTimeLists;
this.context = context;
}
@Override
public SuggestTimeCardAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.suggest_time_card, parent, false);
SuggestTimeCardAdapter.ViewHolder viewHolder = new SuggestTimeCardAdapter.ViewHolder(v);
return viewHolder;
}
@Override
public void onBindViewHolder(final SuggestTimeCardAdapter.ViewHolder holder, int position) {
SuggestTimeList suggestTimeList = suggestTimeLists.get(position);
holder.tvSuggestTime.setText(suggestTimeList.getSuggestTime());
holder.suggest_time_card_view.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v){
//implement the click
holder.cbSuggestTime.setVisibility(View.VISIBLE);
holder.cbSuggestTime.setChecked(true);
}
});
}
@Override
public int getItemCount() {
return suggestTimeLists.size();
}
class ViewHolder extends RecyclerView.ViewHolder {
public TextView tvSuggestTime;
public CheckBox cbSuggestTime;
public CardView suggest_time_card_view;
public ViewHolder(View itemView) {
super(itemView);
tvSuggestTime = (TextView) itemView.findViewById(R.id.tvSuggestTime);
cbSuggestTime = (CheckBox) itemView.findViewById(R.id.cbSuggestTime);
suggest_time_card_view = (CardView) itemView.findViewById(R.id.suggest_time_card_view);
}
}
}
现在我遇到的问题是,每当我单击一张卡(例如0:00)时,都将检查所有以2:15递增的卡,以便同时检查2:15,4:30等。滚动而不单击任何内容,则选中的卡会突然变为未选中状态,并且将对随机卡进行检查。 我很困惑,有人可以帮忙吗?
在SuggestTimeList
类中,添加一个属性; isChecked
,像这样:
class SuggestTimeList
{
boolean isChecked;
//// Other attributes and methods...
public void setChecked(boolean isChecked) {
this.isChecked = isChecked;
}
public boolean isChecked() {
return isChecked;
}
}
然后在您的适配器中执行以下操作:
@Override
public void onBindViewHolder(final SuggestTimeCardAdapter.ViewHolder holder, int position) {
SuggestTimeList suggestTimeList = suggestTimeLists.get(position);
holder.tvSuggestTime.setText(suggestTimeList.getSuggestTime());
if(suggestTimeList.isChecked()) {
holder.cbSuggestTime.setVisibility(View.VISIBLE);
holder.cbSuggestTime.setChecked(true);
}else {
holder.cbSuggestTime.setChecked(false);
holder.cbSuggestTime.setVisibility(View.INVISIBLE);
}
holder.suggest_time_card_view.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v){
//implement the click
holder.cbSuggestTime.setVisibility(View.VISIBLE);
holder.cbSuggestTime.setChecked(true);
for(SuggestTimeList s : suggestTimeLists) {
s.setChecked(false);
}
suggestTimeList.setChecked(true);
notifyDataSetChanged();
}
});
}
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