Android--输入自动提示AutoCompleteTextView

布局文件：

  <TextView

        android:id="@+id/title"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="@string/title" />

    

    <AutoCompleteTextView 

        android:id="@+id/actv"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_below="@id/title"/>

 

Activity代码：

package cn.luxh.autocomplete;



import android.os.Bundle;

import android.app.Activity;

import android.widget.ArrayAdapter;

import android.widget.AutoCompleteTextView;



public class MainActivity extends Activity {



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        

        AutoCompleteTextView actv = (AutoCompleteTextView) findViewById(R.id.actv);

        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_dropdown_item_1line,getData());

        //设置适配器

        actv.setAdapter(adapter);

        //输入一个字符开始提示

        actv.setThreshold(1);

    }



    /**

     * 模拟数据

     * @return

     */

    private String[] getData(){

        String[] names = {

                "Dwight D. Eisenhower",

                "John F. Kennedy",

                "Lyndon B. Johnson",

                "Richard Nixon",

                "Gerald Ford",

                "Jimmy Carter",

                "Ronald Reagan",

                "George H. W. Bush",

                "Bill Clinton",

                "George W. Bush",

                "Barack Obama"};

        return names;

    }



}

 

运行效果：