Android課程---關於ListView列表視圖的學習

標籤：

activity_ui3.xml

<?xml version="1.0" encoding="utf-8"?><ListView xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:id="@+id/lv_1"    android:divider="#0ff"    android:dividerHeight="2dp"></ListView>

UIActivity.java

package com.hanqi.test5;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.AdapterView;import android.widget.ArrayAdapter;import android.widget.ListView;import android.widget.Toast;import java.util.ArrayList;import java.util.List;public class UIActivity3 extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_ui3);        ListView lv_1 = (ListView)findViewById(R.id.lv_1);        //設定ListView的Adapter        //準備資料        //String[] str_1 = {"A","B","C","D","E","F","G","H","I","J","K","L","M"};        List<String> list_1 = new ArrayList<String>();        list_1.add("A");        list_1.add("B");        list_1.add("C");        list_1.add("D");        list_1.add("E");        list_1.add("F");        list_1.add("D");        list_1.add("H");        //構造適配器        ArrayAdapter aa_1 = new ArrayAdapter(this,R.layout.layout_array,list_1);  //執行個體化        //設定適配器        lv_1.setAdapter(aa_1);        lv_1.setOnItemClickListener(new AdapterView.OnItemClickListener() {            @Override            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {                String str = parent.getItemAtPosition(position).toString();                Toast.makeText(UIActivity3.this, "position = "+position + "id = " + id, Toast.LENGTH_SHORT).show();            }        });    }}

：

 

Android課程---關於ListView列表視圖的學習