Listview

运行结果

MainActivity.java

package com.test.listview;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.view.LayoutInflater;import android.view.Menu;import android.view.View;import android.view.ViewGroup;import android.view.Window;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ArrayAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends Activity{private List<Fruit> fruitList = new ArrayList<Fruit>();@Overrideprotected void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);setContentView(R.layout.activity_main);initFruits();FruitAdapter adapter = new FruitAdapter(MainActivity.this,R.layout.fruit_item, fruitList);ListView listView = (ListView) findViewById(R.id.list_view);listView.setAdapter(adapter);listView.setOnItemClickListener(new OnItemClickListener(){public void onItemClick(AdapterView<?> parent, View view,int position, long id){Fruit fruit = fruitList.get(position);Toast.makeText(MainActivity.this, fruit.getName(),Toast.LENGTH_SHORT).show();}});}private void initFruits(){// TODO Auto-generated method stubFruit apple = new Fruit("Apple", R.drawable.apple_pic);fruitList.add(apple);Fruit banana = new Fruit("Banana", R.drawable.banana_pic);fruitList.add(banana);Fruit orange = new Fruit("Orange", R.drawable.orange_pic);fruitList.add(orange);Fruit watermelon = new Fruit("Watermelon", R.drawable.watermelon_pic);fruitList.add(watermelon);Fruit pear = new Fruit("Pear", R.drawable.pear_pic);fruitList.add(pear);Fruit grape = new Fruit("Grape", R.drawable.grape_pic);fruitList.add(grape);Fruit pineapple = new Fruit("Pineapple", R.drawable.pineapple_pic);fruitList.add(pineapple);Fruit strawberry = new Fruit("Strawberry", R.drawable.strawberry_pic);fruitList.add(strawberry);Fruit cherry = new Fruit("Cherry", R.drawable.cherry_pic);fruitList.add(cherry);Fruit mango = new Fruit("Mango", R.drawable.mango_pic);fruitList.add(mango);}public class Fruit{private String name;private int imageId;public Fruit(String name, int imageId){this.name = name;this.imageId = imageId;}public String getName(){return name;}public int getImageId(){return imageId;}}public class FruitAdapter extends ArrayAdapter<Fruit>{private int resourceId;public FruitAdapter(Context context, int textViewResourceId,List<Fruit> objects){super(context, textViewResourceId, objects);resourceId = textViewResourceId;}@Overridepublic View getView(int position, View convertView, ViewGroup parent){Fruit fruit = getItem(position);View view;ViewHolder viewHolder;if (convertView == null){view = LayoutInflater.from(getContext()).inflate(resourceId,null);viewHolder = new ViewHolder();viewHolder.fruitImage = (ImageView) view.findViewById(R.id.fruit_image);viewHolder.fruitName = (TextView) view.findViewById(R.id.fruit_name);view.setTag(viewHolder); // 将ViewHolder存储在View中} else{view = convertView;viewHolder = (ViewHolder) view.getTag(); // 重新获取ViewHolder}viewHolder.fruitImage.setImageResource(fruit.getImageId());viewHolder.fruitName.setText(fruit.getName());return view;}class ViewHolder{ImageView fruitImage;TextView fruitName;}}@Overridepublic 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;}}

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" ><include layout="@layout/title" />    <ListView        android:id="@+id/list_view"        android:layout_width="wrap_content"        android:layout_height="278dp"        android:layout_weight="0.84" >    </ListView>    </LinearLayout>

title.xml

<?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="wrap_content"        android:background="@android:color/holo_blue_dark">    <Button        android:id="@+id/title_back"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_margin="5dip"        android:background="@android:color/holo_blue_light"        android:text="Back"        android:textColor="#fff" />    <TextView        android:id="@+id/title_text"        android:layout_width="0dip"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:layout_weight="1"        android:gravity="center"        android:text="FRUIT SHOW"        android:textColor="#fff"        android:textSize="24sp" />    <Button        android:id="@+id/title_edit"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_margin="5dip"        android:background="@android:color/holo_blue_bright"        android:text="Edit"        android:textColor="#fff" />    </LinearLayout>

<include layout="@layout/---" />实现layout的调用