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 28 protected char[] getAcceptedChars() { 29 return CHARACTERS; 30 } 31 32 public int getInputType() { 33 return EditorInfo.TYPE_CLASS_PHONE; 34 } 35 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
