<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;
}
}
}
赵雅智_BaseAdapter,布布扣,bubuko.com
原文:http://blog.csdn.net/zhaoyazhi2129/article/details/28709451