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  • ListView控件(上)数据适配器:ListView绑定监听是SetOnItemClickListener

    (一)

    1.效果图:

          

    2.MainActivity.java

     1 package com.example.app5;
     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 import java.util.ArrayList;
     9 import java.util.List;
    10 
    11 public class MainActivity extends AppCompatActivity {
    12     private ListView listView;
    13     private List<String> list;
    14     private ArrayAdapter arrayAdapter;
    15 
    16     @Override
    17     protected void onCreate(Bundle savedInstanceState) {
    18         super.onCreate(savedInstanceState);
    19         setContentView(R.layout.activity_main);
    20 
    21         listView = (ListView) findViewById(R.id.lv);
    22 
    23 
    24         //新建数据源
    25         list = new ArrayList<>();
    26         for (int i=0;i<20;i++){
    27             list.add("listview子项"+i);
    28         }
    29 
    30         //新建适配器,适配器绑定数据
    31         arrayAdapter = new ArrayAdapter(MainActivity.this,android.R.layout.simple_list_item_1,list);
    32        /* arrayAdapter=new ArrayAdapter(MainActivity.this,R.layout.item,list);*/    添加自定义的布局
    33 
    34         //视图加载适配器
    35         listView.setAdapter(arrayAdapter);
    36     }
    37 }

    3.activity_mian.xml

     1 <?xml version="1.0" encoding="utf-8"?>
     2 <LinearLayout 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.app5.MainActivity"
    11     android:orientation="vertical">
    12 
    13     <ListView
    14         android:id="@+id/lv"
    15         android:layout_width="wrap_content"
    16         android:layout_height="wrap_content" />
    17 </LinearLayout>

    4.自定义的布局item.xml

    1 <?xml version="1.0" encoding="utf-8"?>
    2 <TextView
    3     android:id="@+id/tv"
    4     android:textColor="@color/colorAccent"
    5     android:layout_width="match_parent"
    6     android:layout_height="wrap_content"
    7     xmlns:android="http://schemas.android.com/apk/res/android" />
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  • 原文地址:https://www.cnblogs.com/sunxiaoyan/p/9039781.html
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