9.30
作者:互联网
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent"> <ListView android:id="@+id/lv1" android:layout_width="wrap_content" android:layout_height="wrap_content"> </ListView> </LinearLayout> </RelativeLayout>
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="match_parent"> <ImageView android:id="@+id/iv" android:layout_width="190dp" android:layout_height="170dp" > </ImageView> <TextView android:id="@+id/tv1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="60dp" android:text="1123"> </TextView> </LinearLayout>
package com.example.myapplication; 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; } }
package com.example.myapplication; import java.util.List; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.TextView; public class FruitAdapter extends ArrayAdapter { private final int resourceId; public FruitAdapter(Context context, int textViewResourceId, List<Fruit> objects) { super(context, textViewResourceId, objects); resourceId = textViewResourceId; } @Override public View getView(int position, View convertView, ViewGroup parent) { Fruit fruit = (Fruit) getItem(position); View view = LayoutInflater.from(getContext()).inflate(resourceId, null); ImageView fruitImage = (ImageView) view.findViewById(R.id.iv); TextView fruitName = (TextView) view.findViewById(R.id.tv1); fruitImage.setImageResource(fruit.getImageId()); fruitName.setText(fruit.getName()); return view; } }
package com.example.myapplication; import java.util.ArrayList; import java.util.List; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.widget.ListView; public class MainActivity extends Activity { private List<Fruit> fruitList = new ArrayList<Fruit>(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initFruits(); FruitAdapter adapter = new FruitAdapter(MainActivity.this, R.layout.fruit_item, fruitList); ListView listView = (ListView) findViewById(R.id.lv1); listView.setAdapter(adapter); } private void initFruits(){ Fruit apple = new Fruit("Apple", R.drawable.tu); fruitList.add(apple); Fruit banana = new Fruit("Banana", R.drawable.tu); fruitList.add(banana); Fruit orange = new Fruit("Orange",R.drawable.tu); fruitList.add(orange); Fruit watermelon = new Fruit("Watermelon", R.drawable.tu); fruitList.add(watermelon); Fruit pear = new Fruit("Pear", R.drawable.tu); fruitList.add(pear); Fruit grape = new Fruit("Grape", R.drawable.tu); fruitList.add(grape); Fruit pineapple = new Fruit("Pineapple", R.drawable.tu); fruitList.add(pineapple); Fruit strawberry = new Fruit("Strawberry", R.drawable.tu); fruitList.add(strawberry); Fruit cherry = new Fruit("Cherry", R.drawable.tu); fruitList.add(cherry); Fruit mango = new Fruit("Mango", R.drawable.tu); fruitList.add(mango); } }
标签:9.30,tu,Fruit,new,import,android,fruitList 来源: https://www.cnblogs.com/linshuai3/p/14070686.html