<?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/tv" android:layout_width="match_parent" android:layout_height="wrap_content" />
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" > <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" /> <TextView android:id="@+id/item_tv" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout>
<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" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" > <ListView android:id="@+id/arr_lv" android:layout_width="match_parent" android:layout_height="match_parent"></ListView> </RelativeLayout>
Activity: java
package com.example.arrayadapter; import java.util.ArrayList; 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 { private String [] names={"功能1","功能2","功能3","功能4","功能5"}; private ArrayList<String> list=new ArrayList<String>(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ListView lv=(ListView)findViewById(R.id.arr_lv); //4個參數的構造方法 //lv.setAdapter(new ArrayAdapter<String>(this,R.layout.listitem,R.id.item_tv,names)); //3個參數的構造方法 要求佈局文件只能有一個textview lv.setAdapter(new ArrayAdapter<String>(this,R.layout.listitem_tv,getData())); } private ArrayList<String> getData() { list.add("180平米的房子"); list.add("一個勤勞漂亮的老婆"); list.add("一輛寶馬"); list.add("一個強壯且永不生病的身體"); list.add("一個喜歡的事業"); return list; } @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; } }