DateKeyListener.java revision f013e1afd1e68af5e3b868c26a653bbfb39538f8
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;
20import android.text.InputType;
21
22/**
23 * For entering dates in a text field.
24 */
25public class DateKeyListener extends NumberKeyListener
26{
27    public int getInputType() {
28        return InputType.TYPE_CLASS_DATETIME
29                | InputType.TYPE_DATETIME_VARIATION_DATE;
30    }
31
32    @Override
33    protected char[] getAcceptedChars()
34    {
35        return CHARACTERS;
36    }
37
38    public static DateKeyListener getInstance() {
39        if (sInstance != null)
40            return sInstance;
41
42        sInstance = new DateKeyListener();
43        return sInstance;
44    }
45
46    /**
47     * The characters that are used.
48     *
49     * @see KeyEvent#getMatch
50     * @see #getAcceptedChars
51     */
52    public static final char[] CHARACTERS = new char[] {
53            '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
54            '/', '-', '.'
55        };
56
57    private static DateKeyListener sInstance;
58}
59