DateKeyListener.java revision 54b6cfa9a9e5b861a9930af873580d6dc20f773c 
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
17package android.text.method;
18
19import android.view.KeyEvent;
20
21/**
22 * For entering dates in a text field.
23 */
24public class DateKeyListener extends NumberKeyListener
25{
26    @Override
27    protected char[] getAcceptedChars()
28    {
29        return CHARACTERS;
30    }
31
32    public static DateKeyListener getInstance() {
33        if (sInstance != null)
34            return sInstance;
35
36        sInstance = new DateKeyListener();
37        return sInstance;
38    }
39
40    /**
41     * The characters that are used.
42     *
43     * @see KeyEvent#getMatch
44     * @see #getAcceptedChars
45     */
46    public static final char[] CHARACTERS = new char[] {
47            '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
48            '/', '-', '.'
49        };
50
51    private static DateKeyListener sInstance;
52}
53