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Android development guide Making an Android App with no prior experience A tutorial a guide and a resource document Xavier Tobin xaviertobintech gmail com There are two ways to approach this document Be at a computer follow the explanations and instructio

Making an Android App with no prior experience A tutorial a guide and a resource document Xavier Tobin xaviertobintech gmail com There are two ways to approach this document Be at a computer follow the explanations and instructions and you ? ll have an app and some basic skills to branch o ? by the end of it Simply read the document and pick up some skills along the way Before I begin a personal message If at ?rst it seems too hard google it then try again I started making my ?rst app at years old with literally zero prior experience I just had interest and an idea My ?rst and only app currently sits at just below downloads There will be times when you are completely stumped I recall spending several days trying to ?x some bugs I came across but if you are persistent enough you will be able to work it out Let ? s begin What is Java Java is a programming language like C Python and Ruby Most apps on the Android platform are written in Java although games and some other apps are written in other languages Java is an OOP or Objected Oriented- Programming Language This means that Java is a programming language based on the concept of objects which are essentially ?elds of data that can run code and store variables For example a String object is an object that contains any combination of letters numbers and other characters A String is formatted in quotation marks here is an example use String name Dennis String surname Cometti String FullName name surname CMaking an Android App Xavier Tobin After this runs the variable FullName will equal ??Dennis Cometti ? A String is an example of a basic object other basic Objects in Java include Integers any whole number Textviews and ArrayLists Booleans a true or false value and oating points decimal values like are examples of primitive variables Objects can also contain other objects and variables for example you could de ?ne a ? Quote ? Object that contains two values The actual quote and the name of the quoted person A lot of the fundamentals in Java are essentially plain English All of Java is written in English the structure of the words change but if enough attention is given to it can actually be very easy to understand For example String name DENNIS name name toLowerCase It couldn ? t be any clearer this will assign the lower case converted ??DENNIS ? dennis to the 'name' variable After you have typed ? name ? Android Studio will give you a list of possible methods like toLowerCase or toUpperCase that can be used so you get some guidance Classes methods and objects in Java ? A variable holds a ?eld of data A variable might be a surname your weight or the distance travelled by your car A String is a variable that could contain ??Dennis ? and an int is