ListView的简单用法

 1 package com.example.zhangmeng.listview;
 2 
 3 import android.support.v7.app.AppCompatActivity;
 4 import android.os.Bundle;
 5 import android.widget.ArrayAdapter;
 6 import android.widget.ListView;
 7 
 8 public class MainActivity extends AppCompatActivity {
 9     private String [] data={"red","green","blue","black","white"};
10 
11     @Override
12     protected void onCreate(Bundle savedInstanceState) {
13         super.onCreate(savedInstanceState);
14         setContentView(R.layout.activity_main);
15 
16 
17         ArrayAdapter<String> adapter=new ArrayAdapter<>(MainActivity.this,android.R.layout.simple_list_item_1,data);
18         ListView listView=(ListView) findViewById(R.id.lv);
19         listView.setAdapter(adapter);
20     }
21 }

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     xmlns:tools="http://schemas.android.com/tools"
 4     android:layout_width="match_parent"
 5     android:layout_height="match_parent"
 6     android:paddingBottom="@dimen/activity_vertical_margin"
 7     android:paddingLeft="@dimen/activity_horizontal_margin"
 8     android:paddingRight="@dimen/activity_horizontal_margin"
 9     android:paddingTop="@dimen/activity_vertical_margin"
10     tools:context="com.example.zhangmeng.listview.MainActivity">
11 
12     <ListView
13         android:id="@+id/lv"
14         android:layout_width="wrap_content"
15         android:layout_height="wrap_content"
16         />
17 </RelativeLayout>