1-GridView2Activity

package com.example.lenovo.textapp4;        import android.os.Bundle;        import android.support.v7.app.AppCompatActivity;        import android.view.View;        import android.view.ViewGroup;        import android.widget.BaseAdapter;        import android.widget.GridView;        import android.widget.ImageView;        import android.widget.TextView;        import java.util.ArrayList;        import java.util.List;public class GridView2Activity extends AppCompatActivity {    GridView gv_1;    List
      
        liv;    TextView gv_3;    ImageView gv_2;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_grid_view2);        gv_1 = (GridView)findViewById(R.id.gv_1);        gv_3 = (TextView)findViewById(R.id.tv_3);        gv_2 = (ImageView)findViewById(R.id.gv_2);        //1、数据 图片的id        liv = new ArrayList<>();        MyClass myClass = new MyClass(R.drawable.f1,"美食1");        liv.add(myClass);        liv.add(new MyClass(R.drawable.f2,"美食2"));        liv.add(new MyClass(R.drawable.f3,"美食3"));        liv.add(new MyClass(R.drawable.f4,"美食4"));        liv.add(new MyClass(R.drawable.f5,"美食5"));        liv.add(new MyClass(R.drawable.f6,"美食6"));        liv.add(new MyClass(R.drawable.f7,"美食7"));        liv.add(new MyClass(R.drawable.f8,"美食8"));        ImageAdapter imageAdapter = new ImageAdapter();        {            gv_1.setAdapter(imageAdapter);        }    }    class MyClass    {        private int img;        private String content;        public int getImg() {            return img;        }        public void setImg(int img) {            this.img = img;        }        public String getContent() {            return content;        }        public void setContent(String content) {            this.content = content;        }        public MyClass(int img,String content)        {            this.img = img;            this.content = content;        }    }    //适配器    class ImageAdapter extends BaseAdapter    {        @Override        public int getCount() {            return liv.size();        }        @Override        public Object getItem(int position) {            return liv.get(position);        }        @Override        public long getItemId(int position) {            return 0;        }        @Override        public View getView(int position, View convertView, ViewGroup parent) {            //1.得到数据 图片的id            MyClass myClass = liv.get(position);            //2.准备View            if (convertView ==null) {                convertView = View.inflate(GridView2Activity.this, R.layout.gridview, null);            }            //3.适配            //转换            ImageView imageView = (ImageView)convertView.findViewById(R.id.gv_2);            imageView.setImageResource(myClass.getImg());            TextView textView = (TextView)convertView.findViewById(R.id.gv_3);            textView.setText(myClass.getContent());            return convertView;        }    }}
      

 

2-activity_grid_view2

 

3-gridview.xml