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我的Android应用程序中有一个搜索选项,它使用web服务(当在搜索栏中搜索关键字时)并将结果显示在屏幕上。立即,下次搜索时对于不同的关键字,结果会附加到第一个结果并显示出来。我想要的是,清除/清除第一个结果,然后显示第二个结果,而不是追加到第一个结尾。请以Android新手身份进行帮助。Android搜索栏 - 结果附加
public class Srch_Widget extends ListActivity {
ListView lv;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.mysearchscreen);
//In the search box, i will be typing an alphabet and click on "GO button"
goButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
//I'm using webservices to retrieve data(JSON String) and will get "EmpName", "EmpID",
"Salary" and the data will be in a single list called "searchlist" that I used below in
ser_listadapter.(if you want I can paste the entire webservices)
ser_listadapter();
}
});
}
public void ser_listadapter() {
ListAdapter adapter = new SimpleAdapter(this,searchlist,
R.layout.searchmain, new String[] { "EmpName", "EmpID",
"Salary" }, new int[] {
R.id.eid, R.id.ename, R.id.sal});
//"searchmain" layout contains 3 textviews with id's: eid,ename,sal
setListAdapter(adapter);
lv = getListView();
lv.setTextFilterEnabled(true);
}
}
请告诉我们你的代码的相关部分,所以答案会更加准确。 – amit
代码被粘贴....请帮助我 – AnnaSmith