Spinner用法

<LinearLayout 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:orientation="vertical"
    android:padding="5dp"
    tools:context=".MainActivity">
    
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="选择您的排位分段"
        android:textColor="#44BDED"
        android:textSize="18sp" />

    <Spinner
        android:id="@+id/spin_one"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:entries="@array/data"
        android:spinnerMode="dialog" />


</LinearLayout>

package com.example.spinnerdemo;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.widget.ArrayAdapter;
import android.widget.Spinner;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        Spinner spinner=(Spinner) findViewById(R.id.spin_one);
        List<String> list = new ArrayList<String>();
        list.add("选项1");
        list.add("选项3");
        list.add("选项2");
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,list);
        spinner.setAdapter(adapter);
        
        
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

}

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <string-array name="data">
        <item>英勇青铜</item>
        <item>不屈白银</item>
        <item>荣耀黄金</item>
        <item>华贵铂金</item>
        <item>璀璨钻石</item>
        <item>超凡大师</item>
        <item>最强王者</item>
    </string-array>

</resources>