android的自動匹配輸入

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1.res-layout

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <AutoCompleteTextView
        android:threshold="3"        android:id="@+id/autoCompleteTextView1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignParentTop="true"        android:layout_centerHorizontal="true"        android:layout_marginTop="38dp"        android:ems="10"        android:hint="請輸入相應的文本">        <requestFocus />    </AutoCompleteTextView></RelativeLayout>

2.   .java檔案

package com.example.text1;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.widget.ArrayAdapter;import android.widget.AutoCompleteTextView;public class MainActivity extends Activity {    private AutoCompleteTextView at;    private ArrayAdapter<String> adapter;    //        初始化資料來源    private String[] res = {"mukewang ","jikexueyuan","51cto"};    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        //        初始化控制項        at = (AutoCompleteTextView) findViewById(R.id.autoCompleteTextView1);        //        適配器 適配下拉式清單的資料        adapter = new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line, res);//        給適配器載入資料來源        at.setAdapter(adapter);    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }}

 

android的自動匹配輸入