1 /*
2  * Copyright (C) 2006 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.stk;
18 
19 import android.text.method.NumberKeyListener;
20 import android.view.KeyEvent;
21 import android.view.inputmethod.EditorInfo;
22 
23 /**
24  * For entering dates in a text field.
25  */
26 public class StkDigitsKeyListener extends NumberKeyListener {
27     @Override
getAcceptedChars()28     protected char[] getAcceptedChars() {
29         return CHARACTERS;
30     }
31 
getInputType()32     public int getInputType() {
33         return EditorInfo.TYPE_CLASS_PHONE;
34     }
35 
getInstance()36     public static StkDigitsKeyListener getInstance() {
37         if (sInstance != null) {
38             return sInstance;
39         }
40         sInstance = new StkDigitsKeyListener();
41         return sInstance;
42     }
43 
44     /**
45      * The characters that are used.
46      *
47      * @see KeyEvent#getMatch
48      * @see #getAcceptedChars
49      */
50     public static final char[] CHARACTERS = new char[] {
51             '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '*', '#', '+'};
52 
53     private static StkDigitsKeyListener sInstance;
54 }
55