Android 之 自动提示功能(AutoCompleteTextView)的使用
在android中我们可以使用AutoCompleteTextView来实现自动提示功能。
我们将需要进行提示的数据放入ArrayAdapter中，然后用AutoCompleteTextView的setAdapter方法，就可以让AutoCompleteTextView具有自动完成提示的功能了.
autocomplete.xml代码
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <AutoCompleteTextView android:id="@+id/autoComplete" android:layout_width="fill_parent" android:layout_height="wrap_content"> </AutoCompleteTextView></LinearLayout>
import android.app.Activity;import android.os.Bundle;import android.widget.ArrayAdapter;import android.widget.AutoCompleteTextView;/** * 自动完成文本 * @author daist * @date 2010-9-25 */public class AutoCompleteActivity extends Activity {private static final String[] COUNTRIES = {"China","Russia","Germany","Ukraine","Belarus","USA","China1","China2","USA1"};@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.autocomplete);//创建一个ArrayAdapterArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_dropdown_item_1line,COUNTRIES);//获取AutoCompleteTextView对象AutoCompleteTextView autoComplete = (AutoCompleteTextView) findViewById(R.id.autoComplete);//将AutoCompleteTextView与ArrayAdapter进行绑定autoComplete.setAdapter(adapter);//设置AutoCompleteTextView输入1个字符就进行提示autoComplete.setThreshold(1);}}