Android StickyListHeaders实现电话本列表效果

本文实例为大家分享了stickylistheaders电话本列表效果的具体代码，供大家参考，具体内容如下

效果展示

布局文件

与listview使用方式一样,可以在布局文件中直接进行使用

核心代码

oncreat方法

在oncreat方法中初始化控件,并为控件设置数据适配器

stickylistheaderslistview stickylist = (stickylistheaderslistview) findviewbyid(r.id.list);
myadapter adapter = new myadapter(this);
stickylist.setadapter(adapter);

设置数据适配器

在设置数据适配器的时候,需要先继承baseadapter,然后实现stickylistheadersadapter接口,最后实现里面为实现的方法

public class myadapter extends baseadapter implements stickylistheadersadapter {

private string[] countries;
private layoutinflater inflater;

public myadapter(context context) {
 inflater = layoutinflater.from(context);
 countries = context.getresources().getstringarray(r.array.countries);
}

@override
public int getcount() {
 return countries.length;
}

@override
public object getitem(int position) {
 return countries[position];
}

@override
public long getitemid(int position) {
 return position;
}

@override 
public view getview(int position, view convertview, viewgroup parent) {
 viewholder holder;

 if (convertview == null) {
  holder = new viewholder();
  convertview = inflater.inflate(r.layout.test_list_item_layout, parent, false);
  holder.text = (textview) convertview.findviewbyid(r.id.text);
  convertview.settag(holder);
 } else {
  holder = (viewholder) convertview.gettag();
 }

 holder.text.settext(countries[position]);

 return convertview;
}

@override 
public view getheaderview(int position, view convertview, viewgroup parent) {
 headerviewholder holder;
 if (convertview == null) {
  holder = new headerviewholder();
  convertview = inflater.inflate(r.layout.header, parent, false);
  holder.text = (textview) convertview.findviewbyid(r.id.text);
  convertview.settag(holder);
 } else {
  holder = (headerviewholder) convertview.gettag();
 }
 //set header text as first char in name
 string headertext = + countries[position].subsequence(0, 1).charat(0);
 holder.text.settext(headertext);
 return convertview;
}

@override
public long getheaderid(int position) {
 //return the first character of the country as id because this is what headers are based upon
 return countries[position].subsequence(0, 1).charat(0);
}

class headerviewholder {
 textview text;
}

class viewholder {
 textview text;
}

}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。