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  • android 29 ArrarAdapter数组适配器

    package com.sxt.day05_03;
    
    import android.os.Bundle;
    import android.app.Activity;
    import android.view.Menu;
    import android.widget.ArrayAdapter;
    import android.widget.ListView;
    
    public class MainActivity extends Activity {
        ListView mlvWeek;
        ArrayAdapter<CharSequence> mAdapter;//CharSequence是安卓中的接口,字符序列
        
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            initView();
        }
    
        private void initView() {
            mlvWeek=(ListView) findViewById(R.id.lvWeek);
            mAdapter=ArrayAdapter.createFromResource(this, 
                    R.array.day_of_week, //字符串数组
                    android.R.layout.simple_expandable_list_item_1);//simple_expandable_list_item_1是布局,安卓系统的Item
            mlvWeek.setAdapter(mAdapter);
        }
    
    }
    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
    
        <ListView
            android:id="@+id/lvWeek"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>
    
    </RelativeLayout>
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  • 原文地址:https://www.cnblogs.com/yaowen/p/4887274.html
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