Java tutorial
//package com.java2s; /* * Copyright 2015 Schedo Inc. All rights reserved. * * 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.content.Context; import android.content.SharedPreferences; public class Main { private static final String PREFERENCES = "com.ncode.android.apps.schedo.gcm"; private static final String PROPERTY_REG_ID = "reg_id"; public static String getGcmId(Context context) { final SharedPreferences prefs = context.getSharedPreferences(PREFERENCES, Context.MODE_PRIVATE); return prefs.getString(PROPERTY_REG_ID, null); } }