一、使用数组作为数据源(使用ArrayAdapter进行适配数据)
import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.TextView; public class SpinnerActivity extends Activity { private static final String[] m={"A型","B型","O型","AB型","其他"}; private TextView view ; private Spinner spinner; private ArrayAdapter<String> adapter; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.spinner); view = (TextView) findViewById(R.id.spinnerText); spinner = (Spinner) findViewById(R.id.Spinner01); //将可选内容与ArrayAdapter连接起来 adapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,m); //设置下拉列表的风格 adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); //将adapter 添加到spinner中 spinner.setAdapter(adapter); //添加事件Spinner事件监听 spinner.setOnItemSelectedListener(new SpinnerSelectedListener()); //设置默认值 spinner.setVisibility(View.VISIBLE); } //使用数组形式操作 class SpinnerSelectedListener implements OnItemSelectedListener{ public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { view.setText("你的血型是:"+m[arg2]); } public void onNothingSelected(AdapterView<?> arg0) { } } }
二、使用XML作为数据源 (Spinner的UI格式)
在values文件夹下新建一个arryas.xml文件
<?xml version="1.0" encoding="utf-8"?> <resources> <string-array name="plantes"> <item>NOKIA</item> <item>MOTO</item> <item>HTC</item> <item>LG</item> <item>其他</item> </string-array> </resources>
import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.TextView; public class SpinnerActivity extends Activity { private TextView view2; private Spinner spinner2; private ArrayAdapter adapter2; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.spinner); spinner2 = (Spinner) findViewById(R.id.spinner02); view2 = (TextView) findViewById(R.id.spinnerText02); //将可选内容与ArrayAdapter连接起来 adapter2 = ArrayAdapter.createFromResource(this, R.array.plantes, android.R.layout.simple_spinner_item); //设置下拉列表的风格 adapter2.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); //将adapter2 添加到spinner中 spinner2.setAdapter(adapter2); //添加事件Spinner事件监听 spinner2.setOnItemSelectedListener(new SpinnerXMLSelectedListener()); //设置默认值 spinner2.setVisibility(View.VISIBLE); } //使用XML形式操作 class SpinnerXMLSelectedListener implements OnItemSelectedListener{ public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { view2.setText("你使用什么样的手机:"+adapter2.getItem(arg2)); } public void onNothingSelected(AdapterView<?> arg0) { } } }
三、使用自定义的Adapter(自定义格式和数据)
①建立一个自定义类。(这里以Person类为例)
package com.jiangqq.csdn; public class Person { private String personName; private String personAddress; public Person(String personName, String personAddress) { super(); this.personName = personName; this.personAddress = personAddress; } public String getPersonName() { return personName; } public void setPersonName(String personName) { this.personName = personName; } public String getPersonAddress() { return personAddress; } public void setPersonAddress(String personAddress) { this.personAddress = personAddress; } }
②创建MyAdapter继承与BaseAdapter,进行适配:
package com.jiangqq.csdn; import java.util.List; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.TextView; /** * 自定义适配器类 * @author jiangqq <a href=http://blog.csdn.net/jiangqq781931404></a> * */ public class MyAdapter extends BaseAdapter { private List<Person> mList; private Context mContext; public MyAdapter(Context pContext, List<Person> pList) { this.mContext = pContext; this.mList = pList; } @Override public int getCount() { return mList.size(); } @Override public Object getItem(int position) { return mList.get(position); } @Override public long getItemId(int position) { return position; } /** * 下面是重要代码 */ @Override public View getView(int position, View convertView, ViewGroup parent) { LayoutInflater _LayoutInflater=LayoutInflater.from(mContext); convertView=_LayoutInflater.inflate(R.layout.item, null); if(convertView!=null) { TextView _TextView1=(TextView)convertView.findViewById(R.id.textView1); TextView _TextView2=(TextView)convertView.findViewById(R.id.textView2); _TextView1.setText(mList.get(position).getPersonName()); _TextView2.setText(mList.get(position).getPersonAddress()); } return convertView; } }
③在Activity中加入如下代码:
// 初始化控件 mSpinner = (Spinner) findViewById(R.id.spinner1); // 建立数据源 List<Person> persons=new ArrayList<Person>(); persons.add(new Person("张三", "上海 ")); persons.add(new Person("李四", "上海 ")); persons.add(new Person("王五", "北京" )); persons.add(new Person("赵六", "广州 ")); // 建立Adapter绑定数据源 MyAdapter _MyAdapter=new MyAdapter(this, persons); //绑定Adapter mSpinner.setAdapter(_MyAdapter);
四、使用list链表作为数据源
public class WuliuMain extends Activity { private List<String> list = new ArrayList<String>(); private Spinner mySpinner; private ArrayAdapter<String> adapter; protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.wuliu_main); list.add("ems快递"); list.add("申通"); list.add("顺丰"); mySpinner = (Spinner) findViewById(R.id.spinner1); adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, list); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); mySpinner.setAdapter(adapter); } }
路过来学习一下,多谢博主分享
学习了,呵呵