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  • AutoCompleteTextView自动完成输入内容的控件

    一、如果我们想实现用户输入的内容有自动提示的功能,类似百度的搜索结果, AutoCompleteTextView可以实现。

    二、下面就是 AutoCompleteTextView实例:

    在main.xml文件中:

     1 <?xml version="1.0" encoding="utf-8"?>
     2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     3     android:orientation="vertical" android:layout_width="fill_parent"
     4     android:layout_height="fill_parent">
     5     <TextView android:layout_width="fill_parent"
     6         android:layout_height="wrap_content" android:text="AutoCompleteTextView" />
     7     <AutoCompleteTextView android:id="@+id/autotext"
     8         android:layout_width="fill_parent" android:layout_height="wrap_content"></AutoCompleteTextView>
     9     <TextView android:layout_width="fill_parent"
    10         android:layout_height="wrap_content" android:text="MultiAutoCompleteTextView"></TextView>
    11     <MultiAutoCompleteTextView android:id="@+id/mul"
    12         android:layout_width="fill_parent" android:layout_height="wrap_content"></MultiAutoCompleteTextView>
    13 </LinearLayout>

    在.java文件中:

    
    
     1 private AutoCompleteTextView auto;
     2     private MultiAutoCompleteTextView mul;
     3 
     4     @Override
     5     public void onCreate(Bundle savedInstanceState) {
     6         super.onCreate(savedInstanceState);
     7         setContentView(R.layout.main);
     8         auto = (AutoCompleteTextView) this.findViewById(R.id.autotext);
     9         String[] autoStrings = new String[] { "联合国", "联合国安理会", "联合国五个常任理事国",
    10                 "Google", "Google Map" };
    11         // 第二个参数表示适配器的下拉风格
    12         ArrayAdapter<String> adapter = new ArrayAdapter<String>(Main.this,
    13                 android.R.layout.simple_dropdown_item_1line, autoStrings);
    14         auto.setAdapter(adapter);
    15 
    16         mul = (MultiAutoCompleteTextView) this.findViewById(R.id.mul);
    17         mul.setAdapter(adapter);
    18         mul.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());// 完成对选项的拆分的功能,以逗号进行拆分
    19 
    20     }
    
    
    
    
    

    运行结果:

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  • 原文地址:https://www.cnblogs.com/SoulCode/p/5405902.html
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