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  • Android listview和ListAdapter搭配使用

    ListView时Android中自带的数据显示控件,要使用ListView填充数据,必须要通过适配器来填充,这里给大家介绍一下ListAdapter适配器,效果图如下:

    java源码:

    package com.example.listview1;
    
    import java.util.ArrayList;
    import java.util.List;
    
    import android.os.Bundle;
    import android.app.Activity;
    import android.view.Menu;
    import android.view.View;
    import android.widget.Adapter;
    import android.widget.AdapterView;
    import android.widget.AdapterView.OnItemClickListener;
    import android.widget.ArrayAdapter;
    import android.widget.ListAdapter;
    import android.widget.ListView;
    import android.widget.SimpleAdapter;
    import android.widget.Toast;
    
    public class MainActivity extends Activity {
    
        private ListView listview;
        private ListAdapter adapter;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            listview=(ListView) findViewById(R.id.listView1);
            listview.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
            adapter=new ArrayAdapter<String>(MainActivity.this,android.R.layout.simple_list_item_single_choice,getsource());
            listview.setAdapter(adapter);
            listview.setOnItemClickListener(new OnItemClickListener() {
    
                @Override
                public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
                        long arg3) {
                    // TODO 自动生成的方法存根
                    Toast.makeText(MainActivity.this, ">>"+adapter.getItem(arg2),1).show();
                }
            });
        }
    
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.main, menu);
            return true;
        }
        
        public List<String> getsource()
        {
            List<String> list=new ArrayList<String>();
            for(int i=0;i<20;i++)
            {
                list.add("欢迎您,"+i);
            }
            return list;
        }
    }
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  • 原文地址:https://www.cnblogs.com/hyyweb/p/5142173.html
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