我有一个自定义arrayadapter,我想为其每行中的按钮添加一个onclicklistener,当我单击按钮我想要更改图像资源时,所有内容除了当我点击一个按钮时,图像会改变,但另一行中另一个按钮的图像也会改变。谢谢你的帮助 ! 这里是我的代码:自定义arrayadapter和onclicklistener为一行中的按钮
public class Coursadapter extends ArrayAdapter<String>{
Context context;
int layoutResourceId;
ArrayList<String> data = null;
WeatherHolder holder;
public Coursadapter(Context context, int layoutResourceId, ArrayList<String> data) {
// super(context, layoutResourceId, data, coeff);
super(context, layoutResourceId, data);
this.layoutResourceId = layoutResourceId;
this.context = context;
this.data = data;
}
public View getView(int position, View convertView, ViewGroup parent) {
View row = convertView;
if(row == null)
{
LayoutInflater inflater = ((Activity)context).getLayoutInflater();
row = inflater.inflate(layoutResourceId, parent, false);
holder = new WeatherHolder();
holder.name = (TextView)row.findViewById(R.id.item_cours_name);
holder.b=(ImageButton) row.findViewById(R.id.button);
holder.b.setTag(holder);
row.setTag(holder);
}
else
{
holder = (WeatherHolder)row.getTag();
}
holder.b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
WeatherHolder w = (WeatherHolder) v.getTag();
w.b.setImageResource(R.drawable.butgreen);
}
});
String name1 = data.get(position);
holder.name.setText(name1);
return row;
}
static class WeatherHolder
{
TextView name;
ImageButton b;
}
}
尝试移动'holder.b.setTag(holder);'在else部分下面。你的问题是因为lsitview回收视图。 – Raghunandan
您是否得到了解决方案。由于 – Vinay