我试图使网格视图有文本,但我遇到了这个问题没有合适的方法找到setText(模型)
我试图使到listView,但不顺利,所以我被问到,这段代码是最好的代码,我达到它。 到现在为止。。。为什么它不能解析方法“set text(Model)”?
问题图像
这是我的适配器。。。
public class CatGridAdapter extends BaseAdapter {
private List<Model> catList;
public CatGridAdapter(List<Model> catList) {
this.catList = catList;
}
@Override
public int getCount() {
return catList.size();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view;
if (convertView == null) {
view = LayoutInflater.from(parent.getContext()).inflate(R.layout.quizitem, parent, false);
} else {
view = convertView;
}
((TextView) view.findViewById(R.id.title)).setText(catList.get(position));
((TextView) view.findViewById(R.id.subTitle)).setText(catList.get(position));
return view;
}
}
这是模特课。。。
private String cat;
private String SubTitle;
public Model(String cat, String subTitle) {
this.cat = cat;
SubTitle = subTitle;
}
public String getCat() {
return cat;
}
public void setCat(String cat) {
this.cat = cat;
}
public String getSubTitle() {
return SubTitle;
}
public void setSubTitle(String subTitle) {
SubTitle = subTitle;
}
}
MainActivity class ...
catGrid = findViewById(R.id.catGridView);
List<Model> catList = new ArrayList<>();
catList.add(new Model("Cat1","subTitle1"));
catList.add(new Model("Cat2","subTitle2"));
catList.add(new Model("Cat3","subTitle3"));
catList.add(new Model("Cat4","subTitle4"));
catList.add(new Model("Cat5","subTitle5"));
catList.add(new Model("Cat6","subTitle6"));
CatGridAdapter adapter = new CatGridAdapter(catList);
catGrid.setAdapter(adapter);
}
将代码更改为:
((TextView) view.findViewById(R.id.title)).setText(catList.get(position).getCat());
((TextView) view.findViewById(R.id.subTitle)).setText(catList.get(position).getSubTitle());