Java tutorial
//package com.java2s; /* * Copyright (C) 2012 Saurabh Minni <http://100rabh.com> * * 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 BCB_UPDATES_SHARED_PREF = "BCBUpdatesSharedPreference"; private static final String BCB_DATA_NOT_SENT = "BCB_DATA_NOT_SENT"; private static Object syncObject = new Object(); public static String getAndClearDataNotSent(Context context) { synchronized (syncObject) { SharedPreferences settings = context.getSharedPreferences(BCB_UPDATES_SHARED_PREF, Context.MODE_PRIVATE); String strData = settings.getString(BCB_DATA_NOT_SENT, null); SharedPreferences.Editor editor = settings.edit(); editor.putString(BCB_DATA_NOT_SENT, ""); editor.commit(); return strData; } } }