listview在android中使用怎么實(shí)現(xiàn)多列模版
listview在android中使用怎么實(shí)現(xiàn)多列模版？針對(duì)這個(gè)問題，這篇文章詳細(xì)介紹了相對(duì)應(yīng)的分析和解答，希望可以幫助更多想解決這個(gè)問題的小伙伴找到更簡(jiǎn)單易行的方法。
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android listview多列模版
listviewadapter.java:
public class listviewAdapter extends BaseAdapter
{
public ArrayList> list;
Activity activity;
public listviewAdapter(Activity activity, ArrayList> list) {
super();
this.activity = activity;
this.list = list;
}
public int getCount() {
// TODO Auto-generated method stub
return list.size();
}
public Object getItem(int position) {
// TODO Auto-generated method stub
return list.get(position);
}
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
private class ViewHolder {
TextView txtFirst;
TextView txtSecond;
TextView txtThird;
TextView txtFourth;
}
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
// TODO Auto-generated method stub
ViewHolder holder;
LayoutInflater inflater = activity.getLayoutInflater();
if (convertView == null)
{
convertView = inflater.inflate(R.layout.listview_row, null);
holder = new ViewHolder();
holder.txtFirst = (TextView) convertView.findViewById(R.id.FirstText);
holder.txtSecond = (TextView) convertView.findViewById(R.id.SecondText);
holder.txtThird = (TextView) convertView.findViewById(R.id.ThirdText);
holder.txtFourth = (TextView) convertView.findViewById(R.id.FourthText);
convertView.setTag(holder);
}
else
{
holder = (ViewHolder) convertView.getTag();
}
HashMap map = list.get(position);
holder.txtFirst.setText(map.get(FIRST_COLUMN));
holder.txtSecond.setText(map.get(SECOND_COLUMN));
holder.txtThird.setText(map.get(THIRD_COLUMN));
holder.txtFourth.setText(map.get(FOURTH_COLUMN));
return convertView;
}
主程序：
public class MultiColumnActivity extends Activity
{
private ArrayList> list;
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ListView lview = (ListView) findViewById(R.id.listview);
populateList();
listviewAdapter adapter = new listviewAdapter(this, list);
lview.setAdapter(adapter);
}
private void populateList() {
list = new ArrayList>();
HashMap temp = new HashMap();
temp.put(FIRST_COLUMN,"Colored Notebooks");
temp.put(SECOND_COLUMN, "By NavNeet");
temp.put(THIRD_COLUMN, "Rs. 200");
temp.put(FOURTH_COLUMN, "Per Unit");
list.add(temp);
HashMap temp1 = new HashMap();
temp1.put(FIRST_COLUMN,"Diaries");
temp1.put(SECOND_COLUMN, "By Amee Products");
temp1.put(THIRD_COLUMN, "Rs. 400");
temp1.put(FOURTH_COLUMN, "Per Unit");
list.add(temp1);
HashMap temp2 = new HashMap();
temp2.put(FIRST_COLUMN,"Note Books and Stationery");
temp2.put(SECOND_COLUMN, "By National Products");
temp2.put(THIRD_COLUMN, "Rs. 600");
temp2.put(FOURTH_COLUMN, "Per Unit");
list.add(temp2);
HashMap temp3 = new HashMap();
temp3.put(FIRST_COLUMN,"Corporate Diaries");
temp3.put(SECOND_COLUMN, "By Devarsh Prakashan");
temp3.put(THIRD_COLUMN, "Rs. 800");
temp3.put(FOURTH_COLUMN, "Per Unit");
list.add(temp3);
HashMap temp4 = new HashMap();
temp4.put(FIRST_COLUMN,"Writing Pad");
temp4.put(SECOND_COLUMN, "By TechnoTalaktive Pvt. Ltd.");
temp4.put(THIRD_COLUMN, "Rs. 100");
temp4.put(FOURTH_COLUMN, "Per Unit");
list.add(temp4);
}
}
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文章題目：listview在android中使用怎么實(shí)現(xiàn)多列模版
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