activity_test9的layout文件:
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.hanqi.testapp2.TestActivity9"> 11 12 <GridView 13 android:layout_width="match_parent" 14 android:layout_height="match_parent" 15 android:id="@+id/gv_1" 16 android:numColumns="4" 17 android:stretchMode="columnWidth" 18 android:gravity="center" 19 android:horizontalSpacing="30dp"></GridView> 20 </LinearLayout>
gridview_layout的layout文件:
1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:orientation="vertical" 4 android:layout_width="match_parent" 5 android:layout_height="match_parent"> 6 7 <ImageView 8 android:layout_width="110dp" 9 android:layout_height="110dp" 10 android:src="@drawable/f1" 11 android:id="@+id/iv_3"/> 12 <TextView 13 android:layout_width="wrap_content" 14 android:layout_height="wrap_content" 15 android:id="@+id/tv_3" 16 android:text="dfasf"/> 17 </LinearLayout>
TestActivity9的java类:
1 package com.hanqi.testapp2; 2 3 import android.os.Bundle; 4 import android.support.v7.app.AppCompatActivity; 5 import android.view.View; 6 import android.view.ViewGroup; 7 import android.widget.BaseAdapter; 8 import android.widget.GridView; 9 import android.widget.ImageView; 10 import android.widget.TextView; 11 12 import java.util.ArrayList; 13 import java.util.List; 14 15 public class TestActivity9 extends AppCompatActivity { 16 17 GridView gv_1; 18 List<MyClass> liv; 19 TextView tv_3; 20 ImageView iv_3; 21 @Override 22 protected void onCreate(Bundle savedInstanceState) { 23 super.onCreate(savedInstanceState); 24 setContentView(R.layout.activity_test9); 25 gv_1 = (GridView)findViewById(R.id.gv_1); 26 tv_3 = (TextView)findViewById(R.id.tv_3); 27 iv_3 = (ImageView)findViewById(R.id.iv_3); 28 29 //1、数据 图片的id 30 liv = new ArrayList<>(); 31 MyClass myClass = new MyClass(R.drawable.f1,"美食1的介绍"); 32 liv.add(myClass); 33 liv.add(new MyClass(R.drawable.f2,"美食2的介绍")); 34 liv.add(new MyClass(R.drawable.f3,"美食3的介绍")); 35 liv.add(new MyClass(R.drawable.f4,"美食4的介绍")); 36 liv.add(new MyClass(R.drawable.f5,"美食5的介绍")); 37 liv.add(new MyClass(R.drawable.f6,"美食6的介绍")); 38 liv.add(new MyClass(R.drawable.f7,"美食7的介绍")); 39 liv.add(new MyClass(R.drawable.f8,"美食8的介绍")); 40 liv.add(new MyClass(R.drawable.f9,"美食9的介绍")); 41 ImageAdapter imageAdapter = new ImageAdapter(); 42 { 43 gv_1.setAdapter(imageAdapter); 44 } 45 } 46 class MyClass 47 { 48 private int img; 49 private String content; 50 51 public int getImg() { 52 return img; 53 } 54 55 public void setImg(int img) { 56 this.img = img; 57 } 58 59 public String getContent() { 60 return content; 61 } 62 63 public void setContent(String content) { 64 this.content = content; 65 } 66 public MyClass(int img,String content) 67 { 68 this.img = img; 69 this.content = content; 70 } 71 } 72 //适配器 73 class ImageAdapter extends BaseAdapter 74 { 75 @Override 76 public int getCount() { 77 return liv.size(); 78 } 79 80 @Override 81 public Object getItem(int position) { 82 return liv.get(position); 83 } 84 85 @Override 86 public long getItemId(int position) { 87 return 0; 88 } 89 90 @Override 91 public View getView(int position, View convertView, ViewGroup parent) { 92 //1.得到数据 图片的id 93 MyClass myClass = liv.get(position); 94 //2.准备View 95 if (convertView ==null) { 96 convertView = View.inflate(TestActivity9.this, R.layout.gridview_layout, null); 97 } 98 //3.适配 99 //转换 100 ImageView imageView = (ImageView)convertView.findViewById(R.id.iv_3); 101 imageView.setImageResource(myClass.getImg()); 102 103 TextView textView = (TextView)convertView.findViewById(R.id.tv_3); 104 textView.setText(myClass.getContent()); 105 106 return convertView; 107 } 108 } 109 }
效果图: