自动补齐控件

1.在XML配置控件（两种有MultiAutoCompleteTextView和AutoCompleteTextView）

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"     >    <MultiAutoCompleteTextView    android:id="@+id/tv_multiAuto"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:text=""    android:completionThreshold="1"    />    <AutoCompleteTextView    android:id="@+id/tv_auto"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:text=""    android:completionThreshold="1" /></LinearLayout>

2.实例化两种控件

private MultiAutoCompleteTextView multiAutoComplete;private AutoCompleteTextView autoCompleteTextView;

this.multiAutoComplete = (MultiAutoCompleteTextView) findViewById(R.id.tv_multiAuto);this.autoCompleteTextView = (AutoCompleteTextView) findViewById(R.id.tv_auto);

3.准备数据源，在下拉列表显示的数据

String[] datas = new String[]{        "Hello",        "Hay",        "Ha",        "World",        "Word",        "Wa!"};

4.设置适配器，为控件填充数据

ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,        android.R.layout.simple_list_item_1,datas);this.multiAutoComplete.setAdapter(adapter);this.autoCompleteTextView.setAdapter(adapter);

5.假如是多个补齐控件还可以设置间隔符

this.multiAutoComplete.setTokenizer(        new MultiAutoCompleteTextView.CommaTokenizer());