Android 特定阵列上的排序适配器
我将一个对象集合分配给一个适配器集,并将其设置为listview。我知道当适配器值包含单个对象时如何对其进行排序。我的问题是如何仅根据数据类型对集合进行排序。下面是我的收藏Android 特定阵列上的排序适配器,android,listview,android-arrayadapter,baseadapter,Android,Listview,Android Arrayadapter,Baseadapter,我将一个对象集合分配给一个适配器集,并将其设置为listview。我知道当适配器值包含单个对象时如何对其进行排序。我的问题是如何仅根据数据类型对集合进行排序。下面是我的收藏 you = new MyVideoAdapter(getActivity(),vDancers,video, vName, vDanceStyle, vOwner, dCountry, vPic, vCreated, fullname, vLikes,vComments, vV
you = new MyVideoAdapter(getActivity(),vDancers,video, vName, vDanceStyle, vOwner, dCountry, vPic, vCreated, fullname,
vLikes,vComments, vViews,vRepost, objectID, nLikes, nComments, nRepost, vUserID, postType);
//you.comp
listView.setAdapter(you);
我想按vCreated对这个适配器进行排序,vCreated是一个日期数组。提前感谢您的帮助。对于那些寻求解决方案的人,我就是这样做的。我不知道这是否是最好的解决方案,但它确实适用于我的案例。 1.我没有用单个数组填充适配器,而是创建了一个ArrayList并用我的数组填充它
public class Items implements Comparable<Items>{
private final Number vLikes; private final Number vComments; private final Number vRepost; private final Number vViews;
private final Date vCreated;
public Items(Number vLikes, Number vComments, Number vViews, Number vRepost, Date created) {
this.vCreated = vCreated;
this.fullname = fullname;
this.vLikes = vLikes;
this.vComments = vComments;
this.vViews = vViews;
this.vRepost = vRepost;
}
@Override
public int compareTo(Items o) {
if (getvCreated() == null || o.getvCreated() == null)
return 0;
return o.getvCreated().compareTo(getvCreated());
}
public Number getvLikes() {
return vLikes;
}
public Number getvComments() {
return vComments;
}
public Number getvViews() {
return vViews;
}
public Number getvRepost() {
return vRepost;
}
public Date getvCreated() {
return vCreated;
}
}
我希望这有帮助
List<Items> myList = new ArrayList<Items>();
Items item = new Items(a,b,c,d);//a, b, are my variables
myList.add(item);
Collections.sort(myList);
you = new MyAdapter(getActivity(), myList);