基於ArrayAdapter創建ListView,ArrayAdapter最爲簡單,只能展示一行字。
ArraryAdapter的構造需要三個參數,依次爲this,佈局文件,數據源。同時用setAdapter()完成適配的最後工作。
MainActivity.java
package xiaocool.net.aq;
import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends Activity {
private ListView listView;
//private List<String> data = new ArrayList<String>()
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
listView = new ListView(this);
listView.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1,getData()));
setContentView(listView);
}
private List<String> getData(){
List<String> data = new ArrayList<String>();
data.add("校酷網絡");
data.add("校酷網絡");
data.add("校酷網絡");
return data;
}
}
效果圖