赵雅智_ListView_BaseAdapter

<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/lv_users"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
    >

    </ListView>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <TextView
        android:id="@+id/tv_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="40dp"
        android:layout_marginTop="10dp"
        android:text="TextView" />

    <TextView
        android:id="@+id/tv_age"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/tv_name"
        android:layout_below="@+id/tv_name"
        android:layout_marginTop="10dp"
        android:text="TextView" />

    <TextView
        android:id="@+id/tv_phone"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/tv_name"
        android:layout_marginLeft="30dp"
        android:layout_toRightOf="@+id/tv_age"
        android:text="TextView" />

    <TextView
        android:id="@+id/tv_id"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/tv_name"
        android:paddingLeft="10dp"
        android:text="1" />

</RelativeLayout>

package com.example.android_sqlite;

import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.CheckedTextView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.example.android_sqlite.dao.UserDao;
import com.example.android_sqlite.dao.impl.UserDaoImpls;
import com.example.android_sqlite.database.DatabaseHelper;
import com.example.android_sqlite.domain.Users;
/**
 * BaseAdapter
 * @author zhaoyazhi
 *
 */
public class MainActivity extends Activity implements OnItemClickListener {
	private ListView lv_users;
	// 模型层
	private List<Users> entites;
	private UserDao userDao;
	private DatabaseHelper dh;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		// 设置视图层
		lv_users = (ListView) findViewById(R.id.lv_users);
		// 创建数据库
		dh = new DatabaseHelper(this);
		userDao = new UserDaoImpls(dh);
		// 获取显示数据
		entites = userDao.findAll();
		// 创建自定义的adapter对象
		MyAdapyer adapter = new MyAdapyer();
		// adapter作为控制层
		lv_users.setAdapter(adapter);
		
		//注册点击事件
		lv_users.setOnItemClickListener(this);

	}
	@Override
	public void onItemClick(AdapterView<?> parent, View view, int position, long arg3) {
		
		//获取点击我的数据
		Users object = (Users) parent.getItemAtPosition(position);
		Toast.makeText(this, object.toString(), 0).show();
		
	}
	/**
	 * 继承了BaseAdapter 这个BaseAdapter实现了ListAdapter接口
	 * 
	 * @author zhaoyazhi
	 * 
	 */
	class MyAdapyer extends BaseAdapter {

		/**
		 * 返回的总条目数量
		 */
		@Override
		public int getCount() {
			return entites.size();
		}

		/**
		 * 返回当前条目对应的对象
		 */
		@Override
		public Object getItem(int position) {
			return entites.get(position);
		}

		/**
		 * 
		 */
		@Override
		public long getItemId(int position) {
			return position;
		}

		/**
		 * 返回每个条目
		 */
		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			return definedItem(position);
		}

		private View definedItem(int position) {
			// 获取当前位置显示的对象
			Users entity = entites.get(position);
			View v = View.inflate(MainActivitys.this, R.layout.item_phone, null);
			TextView tv_id = (TextView) v.findViewById(R.id.tv_id);
			TextView tv_name = (TextView) v.findViewById(R.id.tv_name);
			TextView tv_age = (TextView) v.findViewById(R.id.tv_age);
			TextView tv_phone = (TextView) v.findViewById(R.id.tv_phone);

			tv_id.setText(""+entity.getUserId());
			tv_name.setText("姓名：" + entity.getUserName());
			tv_age.setText("年龄：" + entity.getUserAge());
			tv_phone.setText("电话"+entity.getUserPhone());
			return v;
		}

		/**
		 * 单选框
		 * 
		 * @param position
		 * @return
		 */
		private View singleCheck(int position) {
			// 获取当前位置显示的对象
			Users entity = entites.get(position);
			View v = View.inflate(MainActivitys.this,
					android.R.layout.simple_list_item_single_choice, null);
			CheckedTextView tv = (CheckedTextView) v
					.findViewById(android.R.id.text1);
			tv.setText(entity.getUserName() + "---" + entity.getUserPhone());
			tv.setHeight(40);
			return tv;
		}

		/**
		 * 复选框
		 * 
		 * @param position
		 * @return
		 */
		private View multipleCheck(int position) {
			// 获取当前位置显示的对象
			Users entity = entites.get(position);
			View v = View.inflate(MainActivitys.this,
					android.R.layout.simple_list_item_multiple_choice, null);
			CheckedTextView tv = (CheckedTextView) v
					.findViewById(android.R.id.text1);
			tv.setText(entity.getUserName() + "---" + entity.getUserPhone());
			tv.setHeight(40);
			return tv;
		}

	}

	

}