英文原版 Preface 1 Chapter 1: Activities 5 Introduction 5 Declaring an activity 6 Starting a new activity with an intent object 10 Switching between activities 14 Returning a result from an activity 17 Storing an activity's state 20 Storing persistent a
Preface and Acknowledgements xv Abbreviations List xvii PART ONE Global Introduction to WiMAX 1 1 Introduction to Broadband Wireless Access 3 1.1 The Need for Wireless Data Transmission 3 1.2 Wireless Networks and Broadband Wireless Access (BWA) 4 1
