阅读《Android 从入门到精通》(12)——自己主动完毕文本框
自己主动完毕文本框(AutoCompleteTextView)
java.lang.Object;
android.view.View;
android.view.TextView;
android.widget.EditText;
android.widget.AutoCompleteTextView;
MultiAutoCompleteTextView;
AutoCompleteTextView 类方法
AutoCompleteTextView 演示样例
完整project:http://download.csdn.net/detail/sweetloveft/9408072
下述程序中主要学习 AutoCompleteTextView 的用法,该控件无法在布局文件里指定 android:entries,临时没有查证有没有其它指定的方法,因此决定採用代码载入。还有一个须要注意 layout 中 <requestFocus /> 的使用。
1.MainActivity.java
package com.sweetlover.activity; import com.sweetlover.autocompletetextviewdemo.R; import android.app.Activity; import android.os.Bundle; import android.widget.ArrayAdapter; import android.widget.AutoCompleteTextView; public class MainActivity extends Activity { private static final String[] phoneNumber = new String[]{ "111234", "133126", "303404", "796863" }; private AutoCompleteTextView autoTextView = null; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line, phoneNumber); autoTextView = (AutoCompleteTextView)findViewById(R.id.autoCompleteTextView1); autoTextView.setAdapter(adapter); } }
2.activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="30dp" android:orientation="vertical" > <AutoCompleteTextView android:id="@+id/autoCompleteTextView1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="center" android:hint="@string/note" android:ems="20" > <requestFocus /> <!-- http://zhangkun716717-126-com.iteye.com/blog/802201 --> </AutoCompleteTextView> </LinearLayout>
3.string.xml
<resources> <string name="app_name">AutoCompleteTextViewDemo</string> <string name="note">输入电话号码</string> </resources>
4.AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.sweetlover.autocompletetextviewdemo" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="19" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name="com.sweetlover.activity.MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN"/> <category android:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> </application> </manifest>