布局代码:
这里写代码片
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<ListView
android:id="@+id/lstv"
android:layout_width="match_parent"
android:layout_height="wrap_content"
></ListView>
</LinearLayout>
JAVA代码:
这里写代码片
package com.example.listtiwe;
import android.R.string;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class MainActivity extends Activity {
//创建数组
String[] names = {"我的设备","双卡和移动网络","WLAN","蓝牙","个人热点","更多连接方式","显示","壁纸","个性主题","声音和震动"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//导入布局文件
setContentView(R.layout.activity_main);
//获取 控件,创建对象
ListView lstv=(ListView) findViewById(R.id.lstv);
//指挥对象做事情
//创建适配器
lstv.setAdapter(new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_dropdown_item_1line,names));
lstv.setOnItemClickListener(new OnItemClickListener() {
//重写方法
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
String ss = (String) arg0.getItemAtPosition(arg2).toString();
Toast.makeText(MainActivity.this, ss, 0).show();
}
});
}
}
效果图: