ArrayAdapter,SimpleAdapter
1--ArrayAdapter
ListViewActivity.java
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package com.example.lenovo.textapp4; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.ArrayAdapter; import android.widget.ListView; public class ListViewActivity extends AppCompatActivity { ListView lv_1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_list_view); ListView lv_1=(ListView)findViewById(R.id.lv_1); //1-数据集合 Layout文件 String []str={"A1","A2","A3","A4","A5","A6","A7","A8","A9","B1","B2","B3","B4","B5","B6","B7","B8","B9"}; //2-创建Adapter ArrayAdapter<String> arrayAdapter=new ArrayAdapter<String>(this,R.layout.array_adapter,str); //3-绑定到ListView lv_1.setAdapter(arrayAdapter); } }
activity_list_view.xml
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<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.example.lenovo.textapp4.ListViewActivity"> <ListView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/lv_1"> </ListView> </LinearLayout>
array_adapter.xml
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<?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:textSize="20sp" android:paddingTop="10dp" android:paddingBottom="10dp"/>
2--SimpleAdapter
List2Activity.java
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package com.example.lenovo.textapp4; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.ListView; import android.widget.SimpleAdapter; import java.util.ArrayList; import java.util.HashMap; import java.util.Hashtable; import java.util.List; import java.util.Map; import java.util.Objects; public class List2Activity extends AppCompatActivity { ListView lv_2; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_list2); lv_2=(ListView)findViewById(R.id.lv_2); //1-数据集合 Layout文件 List<Map<String,Object>> lm=new ArrayList<Map<String,Object>>(); Map<String,Object> map=new HashMap<String,Object>(); map.put("img",R.drawable.f1); map.put("name","美食1"); map.put("content","美食1的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f2); map.put("name", "美食2"); map.put("content","美食2的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f3); map.put("name", "美食3"); map.put("content","美食3的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f4); map.put("name", "美食4"); map.put("content","美食4的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f5); map.put("name", "美食5"); map.put("content","美食5的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f6); map.put("name", "美食6"); map.put("content","美食6的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f7); map.put("name", "美食7"); map.put("content","美食7的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f8); map.put("name", "美食8"); map.put("content","美食8的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f9); map.put("name", "美食9"); map.put("content","美食9的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f10); map.put("name", "美食10"); map.put("content","美食10的美食介绍"); lm.add(map); //数组 key的数组 String [] strings={"img","name","content"}; int [] ids={R.id.iv_2,R.id.tv_7,R.id.tv_8}; //2-创建simpleadapter SimpleAdapter simpleAdapter=new SimpleAdapter(this,lm,R.layout.simpleadapter_activity,strings,ids); //绑定 lv_2.setAdapter(simpleAdapter); } } package com.example.lenovo.textapp4; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.ListView; import android.widget.SimpleAdapter; import java.util.ArrayList; import java.util.HashMap; import java.util.Hashtable; import java.util.List; import java.util.Map; import java.util.Objects; public class List2Activity extends AppCompatActivity { ListView lv_2; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_list2); lv_2=(ListView)findViewById(R.id.lv_2); //1-数据集合 Layout文件 List<Map<String,Object>> lm=new ArrayList<Map<String,Object>>(); Map<String,Object> map=new HashMap<String,Object>(); map.put("img",R.drawable.f1); map.put("name","美食1"); map.put("content","美食1的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f2); map.put("name", "美食2"); map.put("content","美食2的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f3); map.put("name", "美食3"); map.put("content","美食3的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f4); map.put("name", "美食4"); map.put("content","美食4的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f5); map.put("name", "美食5"); map.put("content","美食5的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f6); map.put("name", "美食6"); map.put("content","美食6的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f7); map.put("name", "美食7"); map.put("content","美食7的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f8); map.put("name", "美食8"); map.put("content","美食8的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f9); map.put("name", "美食9"); map.put("content","美食9的美食介绍"); lm.add(map); map=new HashMap<String,Object>(); map.put("img",R.drawable.f10); map.put("name", "美食10"); map.put("content","美食10的美食介绍"); lm.add(map); //数组 key的数组 String [] strings={"img","name","content"}; int [] ids={R.id.iv_2,R.id.tv_7,R.id.tv_8}; //2-创建simpleadapter SimpleAdapter simpleAdapter=new SimpleAdapter(this,lm,R.layout.simpleadapter_activity,strings,ids); //绑定 lv_2.setAdapter(simpleAdapter); } }
activity_list2.xml
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<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.example.lenovo.textapp4.List2Activity"> <ListView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/lv_2"> </ListView> </LinearLayout>
simpleadapter_activity.xml
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<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="wrap_content"> <ImageView android:layout_width="70dp" android:layout_height="70dp" android:src="@drawable/f1" android:id="@+id/iv_2"/> <LinearLayout android:layout_width="0dp" android:layout_height="match_parent" android:orientation="vertical" android:layout_weight="1" android:layout_margin="20dp" android:gravity="center_vertical"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="名字" android:id="@+id/tv_7"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="内容" android:id="@+id/tv_8"/> </LinearLayout> </LinearLayout>