android spinner autocompleteTextView 組件使用

關於android 下的spinner 以及autoCompleteTextView的使用，都是獨立控件可以選擇參考，附加運行結果圖片。

佈局文件：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.hint.MainActivity"
    tools:ignore="MergeRootFrame" >

    <AutoCompleteTextView
        android:id="@+id/ti_shi"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:completionThreshold="1" />

    <Spinner
        android:id="@+id/xia_spinner"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="click" 
        android:text="都可用通知"
        />

    
     <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="click1" 
        android:text="3.5以上可用通知"
        />
</LinearLayout>

MainActivity:

package com.example.hint;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.app.Notification;
import android.app.Notification.Builder;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Spinner;
import android.os.Build;

public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		//第一個參數是上下文，就是當前的Activity, 第二個參數是android sdk中自己內置的一個佈局，
		//它裏面只有一個TextView，這個參數是表明我們數組中每一條數據的佈局是這個view，
		//就是將每一條數據都顯示在這個view上面；第三個參數就是我們要顯示的數據。
		//listView會根據這三個參數，遍歷adapterData裏面的每一條數據，讀出一條，顯示到第二個參數對應的佈局中，
		//這樣就形成了我們看到的listView.
		//提示
	  AutoCompleteTextView at=(AutoCompleteTextView) findViewById(R.id.ti_shi);

	  String names[]=new String[]{"hello","hei","aaa","aha","haha","兄弟","兄長"};
	  ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,android.R.layout.simple_dropdown_item_1line, names);
	  
	  at.setAdapter(adapter);  
	  
	  
	  //下拉
	  Spinner spinner =(Spinner) findViewById(R.id.xia_spinner);
	  ArrayAdapter<String> adapter1=new ArrayAdapter<>(this,android.R.layout.simple_dropdown_item_1line);
      
	  adapter1.add("java");
	  adapter1.add("c++");
	  adapter1.add("vb");
	  
	  spinner.setAdapter(adapter1);
	
	}

	public void click(View view){
		NotificationManager notificationManager=(NotificationManager) getSystemService(NOTIFICATION_SERVICE);
		Notification notification=new Notification(R.drawable.ic_launcher,"通知",System.currentTimeMillis());
		Intent intent =new Intent();
		intent.setAction(Intent.ACTION_CALL);
		intent.setData(Uri.parse("tel:110"));
		
		PendingIntent pendingIntent= PendingIntent.getActivity(this, 0, intent, 0);
		
		notification.setLatestEventInfo(this, "我是標題", "我是內容 ", pendingIntent);
		notificationManager.notify(0,notification);
	}
	
	@SuppressLint("NewApi")
	public void click1(View view)
	{
		NotificationManager nm=(NotificationManager) getSystemService(NOTIFICATION_SERVICE);
		Notification.Builder builder=new Builder(this);
		builder.setContentTitle("我是通知 ");
		builder.setContentText("我是內容");
		builder.setSmallIcon(R.drawable.ic_launcher);
	    builder.setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher));
		  
		Notification notification=builder.build();
		nm.notify(0,notification);
		
	}
}