简单的listview控件

package com.example.listview;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;

import static android.R.layout.simple_list_item_1;

public class MainActivity extends AppCompatActivity {
private ListView listView;
private ArrayAdapter<String> arr_Adapter;
private SimpleAdapter simp_Adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.listview);
listView= (ListView) findViewById(R.id.listView);
//新建一个适配器
//数组适配器三个参数（上下文，当前listview加载的每一个列表项所对应的布局文件,数据源）
//视图加载适配器
String [] Arr_data={"慕克网1","慕克网2","慕克网3"};
arr_Adapter=new ArrayAdapter<String>(this, simple_list_item_1,Arr_data);
listView.setAdapter(arr_Adapter);
}
}