Introduction: I am uploading this DevBook free for Android developers and also for beginners. no need of knowledge of any other language hi i published this book for all who wants to start career in android development and also who wants to polish their skill in android development can learn from this book. i am 15 years old and i know that it hard to find a sub sequential chapters and also it is hard to learn but in this book i have cleared all the concepts related to android development and i wrote all the concepts in a sequence , so you will not disappoint from this book .If you have already knowledge of c or any other language so if will be easiest for you to learn and even you don't have any knowledge about any language so it will be difficult but not impossible i want to help those who wants to learn it as a passion and who wants to do something in their lives. this book has 625 pages . i gaurentees you that you will complete this course in only 2 mo...