Java tutorial
//package com.java2s; /* * (C) Copyright Itude Mobile B.V., The Netherlands * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.text.InputType; import android.text.method.NumberKeyListener; public class Main { private static NumberKeyListener _currencyNumberKeyListener; public static NumberKeyListener getCurrencyNumberKeyListener() { if (_currencyNumberKeyListener == null) { _currencyNumberKeyListener = new NumberKeyListener() { @Override public int getInputType() { return InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD; } @Override protected char[] getAcceptedChars() { return new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',' }; } }; } return _currencyNumberKeyListener; } }