自动文本框，下拉列表，信息提示

package com.hanqi.zuoye;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Spinner;
import android.widget.Toast;

public class zidongwenbenActivity extends AppCompatActivity {
    AutoCompleteTextView at;
    Spinner spinner;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_zidongwenben);
        at=(AutoCompleteTextView)findViewById(R.id.at);
        spinner=(Spinner)findViewById(R.id.sp);
        //准备数据源
        String [] strings={"abc","bbc","aaa","ccb","你好","你们","好不的撒","bba","ddd"};
        //准备适配器
        ArrayAdapter<String> arrayAdapter=new ArrayAdapter<String>(this,R.layout.array_liebiao,strings);
        //设置适配器
        at.setAdapter(arrayAdapter);

          //下拉列表
        final String []string={"高中","大专","本科","硕士","博士"};
        ArrayAdapter<String> arrayAdapter1=new ArrayAdapter<String>(this,R.layout.array_liebiao,string);
        spinner.setAdapter(arrayAdapter1);

        //监听
        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                Toast.makeText(zidongwenbenActivity.this, "选中的是"+ string[position], Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {
                Toast.makeText(zidongwenbenActivity.this, "什么也没选", Toast.LENGTH_SHORT).show();
            }
        });
    }
    //发送状态栏消息
    public void bt(View v){
        //1.得到状态栏消息管理器
        NotificationManager nm=(NotificationManager)getSystemService(NOTIFICATION_SERVICE);

        //准备PendingIntent
        //1）创建Intent
        Intent i=new Intent(this,liebiao2Activity.class);

        //2)生成
       PendingIntent pi= PendingIntent.getActivity(this, 0, i, 0);

        //2.构建状态栏消息
        Notification nt=new Notification.Builder(this)
                .setContentTitle("天气预报")
                .setContentText("晴，气温30度")
                .setSmallIcon(R.drawable.aa)
                .setTicker("新的天气预报")
                .setDefaults(Notification.DEFAULT_SOUND)
                .setAutoCancel(true)
                .setContentIntent(pi)
                .build();
        //3.由管理器发送消息
        nm.notify(0,nt);

    }
}

java代码

<?xml version="1.0" encoding="utf-8"?>
<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"
    tools:context="com.hanqi.zuoye.zidongwenbenActivity">
<AutoCompleteTextView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="请输入"
    android:id="@+id/at"
    android:completionHint="1"
    android:completionThreshold="1"/>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="学历"/>
    <Spinner
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:id="@+id/sp"
        android:layout_weight="1"
        ></Spinner>

    </LinearLayout>
    <Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
        android:text="发送状态栏消息"
        android:onClick="bt"/>
</LinearLayout>

视图文件