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  • 给图片下加字符

     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.TestActivity10">
    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 
    21 </LinearLayout>
     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:id="@+id/iv_3"/>
    11 
    12     <TextView
    13         android:layout_width="wrap_content"
    14         android:layout_height="wrap_content"
    15         android:id="@+id/tv_9"
    16         android:text="介绍"/>
    17 
    18 </LinearLayout>
      1 package com.hanqi.testapp2;
      2 
      3 import android.os.Bundle;
      4 import android.support.v7.app.AppCompatActivity;
      5 import android.util.Log;
      6 import android.view.View;
      7 import android.view.ViewGroup;
      8 import android.widget.BaseAdapter;
      9 import android.widget.GridView;
     10 import android.widget.ImageView;
     11 import android.widget.TextView;
     12 
     13 import java.util.ArrayList;
     14 import java.util.List;
     15 
     16 public class TestActivity10 extends AppCompatActivity {
     17 
     18     GridView gv_1;
     19 
     20     //List<Integer>liv;
     21     List<MyClass>lm;
     22 
     23     @Override
     24     protected void onCreate(Bundle savedInstanceState) {
     25         super.onCreate(savedInstanceState);
     26         setContentView(R.layout.activity_test10);
     27 
     28         GridView gv_1=(GridView)findViewById(R.id.gv_1);
     29 
     30         lm=new ArrayList<>();
     31 
     32         MyClass myClass=new MyClass(R.drawable.f1,"美食1");
     33 
     34         lm.add(myClass);
     35 
     36         //1.得到数据 图片的id
     37 //        liv=new ArrayList<>();
     38 //        liv.add(R.drawable.f1);
     39 //        liv.add(R.drawable.f2);
     40 //        liv.add(R.drawable.f3);
     41 //        liv.add(R.drawable.f4);
     42 //        liv.add(R.drawable.f5);
     43 //        liv.add(R.drawable.f6);
     44 //        liv.add(R.drawable.f7);
     45 //        liv.add(R.drawable.f8);
     46         lm.add(new MyClass(R.drawable.f2,"美食2"));
     47         lm.add(new MyClass(R.drawable.f2,"美食3"));
     48         lm.add(new MyClass(R.drawable.f2,"美食4"));
     49         lm.add(new MyClass(R.drawable.f2,"美食5"));
     50         lm.add(new MyClass(R.drawable.f2,"美食6"));
     51         lm.add(new MyClass(R.drawable.f2,"美食7"));
     52         lm.add(new MyClass(R.drawable.f2,"美食8"));
     53 
     54         GridAdapter gridAdapter=new GridAdapter();
     55 
     56         gv_1.setAdapter(gridAdapter);
     57 
     58 
     59         //gv_1.setAdapter(new ImageAdapter());
     60     }
     61 
     62     //适配器
     63 //    class ImageAdapter extends BaseAdapter
     64 //    {
     65 //        @Override
     66 //        public int getCount() {
     67 //            return liv.size();
     68 //        }
     69 //
     70 //        @Override
     71 //        public Object getItem(int position) {
     72 //            return liv.get(position);
     73 //        }
     74 //
     75 //        @Override
     76 //        public long getItemId(int position) {
     77 //            return 0;
     78 //        }
     79 //
     80 //        @Override
     81 //        public View getView(int position, View convertView, ViewGroup parent) {
     82 //
     83 //            //1.得到数据 图片的id
     84 //            Integer ivid=liv.get(position);
     85 //
     86 //            //2.准备视图View
     87 //            if (convertView==null) {
     88 //                convertView = new ImageView(TestActivity10.this);
     89 //            }
     90 //
     91 //            //3.适配
     92 //            //转换
     93 //            ImageView imageView=(ImageView)convertView;
     94 //
     95 //            imageView.setImageResource(ivid);
     96 //
     97 ////            imageView.setMaxWidth(70);
     98 ////            imageView.setMaxHeight(70);
     99 //
    100 //            imageView.setLayoutParams(new GridView.LayoutParams(110,110));
    101 //
    102 //            return imageView;
    103 //        }
    104 //    }
    105 
    106     class MyClass {
    107         //img
    108         private int img;
    109 
    110         //name
    111         private String name;
    112 
    113         public int getImg() {
    114             return img;
    115         }
    116 
    117         public void setImg(int img) {
    118             this.img = img;
    119         }
    120 
    121         public String getName() {
    122             return name;
    123         }
    124 
    125         public void setName(String name) {
    126             this.name = name;
    127         }
    128 
    129         //直接初始化属性的构造方法
    130         public MyClass(int img,String name)
    131         {
    132             this.img=img;
    133             this.name=name;
    134         }
    135     }
    136 
    137         class GridAdapter extends BaseAdapter
    138         {
    139             @Override
    140             public int getCount() {
    141                 return lm.size();
    142             }
    143 
    144             @Override
    145             public Object getItem(int position) {
    146                 return lm.get(position);
    147             }
    148 
    149             @Override
    150             public long getItemId(int position) {
    151                 return 0;
    152             }
    153 
    154             @Override
    155             public View getView(int position, View convertView, ViewGroup parent) {
    156 
    157 
    158 
    159                 MyClass myClass=lm.get(position);
    160 
    161                 if (convertView==null)
    162                 {
    163                     Log.e("TAG", "适配器 getView" + position);
    164 
    165                 convertView=View.inflate(TestActivity10.this,R.layout.listview_layout,null);
    166                 }
    167 
    168                 ImageView imageView=(ImageView)convertView.findViewById(R.id.iv_3);
    169                 imageView.setImageResource(myClass.getImg());
    170 
    171                 TextView textView=(TextView)convertView.findViewById(R.id.tv_9);
    172                 textView.setText(myClass.getName());
    173 
    174                 return convertView;
    175             }
    176         }
    177 }

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  • 原文地址:https://www.cnblogs.com/cycanfly/p/5514114.html
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