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  • 安卓第六次作业

    <RelativeLayout 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"
        tools:context=".MainActivity">
    
            <ListView
                android:id="@+id/iv"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
               />
    </RelativeLayout>
    复制代码
    复制代码
    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        >
        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            >
        <ImageView
        android:id="@+id/jd"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
            />
        <RelativeLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginTop="5dp"
            >
            <TextView
                android:id="@+id/name1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="京东商城"
                android:textSize="50sp"
                />
        </RelativeLayout>
        </LinearLayout>
    </LinearLayout>
    复制代码
    复制代码
    package cn.itcase.android;
    
    import androidx.appcompat.app.AppCompatActivity;
    
    import android.os.Bundle;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.ImageView;
    import android.widget.ListView;
    import  android.widget.BaseAdapter;
    import android.widget.TextView;
    
    public class MainActivity extends AppCompatActivity {
        private ListView mListView;
        private  String[] titles ={"京东商城","QQ","QQ斗地主","新浪微博","天猫商城","UC浏览器","微信"};
        private int[] icons ={R.drawable.jd,R.drawable.qq,R.drawable.ddz,R.drawable.wb,R.drawable.tm,R.drawable.ll,R.drawable.wx};
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            mListView =(ListView) findViewById(R.id.iv);
            MyBaseAdapter mAdapter =new MyBaseAdapter();
            mListView.setAdapter(mAdapter);
        }
        class  MyBaseAdapter extends  BaseAdapter{
            public  int getCount(){
                return titles.length;
            }
            public  Object getItem(int posision){
                return titles[posision];
            }
            public long getItemId(int position){
                return position;
            }
            public View getView(int position, View convertView, ViewGroup parent){
                View view =View.inflate(MainActivity.this,R.layout.list_layout,null);
                TextView title =(TextView) view.findViewById((R.id.name1));
                title.setText(titles[position]);
                ImageView lv=(ImageView)view.findViewById(R.id.jd);
                lv.setBackgroundResource(icons[position]);
                return view;
            }
        }
    
    }
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  • 原文地址:https://www.cnblogs.com/9428zzz/p/11674216.html
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