作业6
package com.example.sdfs; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; public class MainActivity extends Activity { private String[] titles = { "京东商城", "qq", "qq斗地主", "新浪微博", "天猫", "uc" ,"微信"}; private int[] pic = { R.drawable.c, R.drawable.f, R.drawable.b, R.drawable.e, R.drawable.g, R.drawable.a,R.drawable.d}; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // 获取Listview ListView lv = (ListView) findViewById(R.id.listView1); // 创建adapter对象 Myadapter md = new Myadapter(); lv.setAdapter(md); } class Myadapter extends BaseAdapter { @Override public int getCount() { // TODO 自动生成的方法存根 return titles.length; } @Override public Object getItem(int position) { // TODO 自动生成的方法存根 return titles[position]; } @Override public long getItemId(int position) { // TODO 自动生成的方法存根 return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO 自动生成的方法存根 //加载列表项的布局文件 View view=View.inflate(MainActivity.this, R.layout.list_item, null); TextView tv1=(TextView)view.findViewById(R.id.name); ImageView iv=(ImageView)view.findViewById(R.id.iv); tv1.setText(titles[position]); iv.setBackgroundResource(pic[position]); return view; } }
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="left" 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="com.example.sdfs.MainActivity" > <ListView android:id="@+id/listView1" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" > </ListView> </RelativeLayout>优质内容筛选与推荐>>