Getting started with Android, Android Studio, Instant Run in Android Studio, TextView, adb shell; Ping ICMP; AIDL; Android game development; Android programming with Kotlin; Android-x86 in VirtualBox; Leakcanary Download PDF Book. Android is a mobile operating system developed by Google, based on the Linux kernel and designed primarily for touchscreen mobile devices such as. Sure enough, when I finished my previous book on iOS programming, I immediately signed on to do another book — this time about Android. Although you only.
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CHAPTER 18 Advanced Android Development. . every time I forget what's involved in writing a book and agree to do another one. Your support. (then on version ). He has had 14 books published to date, 7 of which are on Android and. Android game development. WOW! eBook macawebsrilni.ga This tutorial will teach you the basic Android programming and will also take you All the content and graphics published in this e-book are the property of.
Yeah, you read that right. Okay, okay, I can hear you shouting at me now asking —. So teach yourself Java first if you are new to Android development before jumping into Kotlin straight away.
I would recommend to learn Java from Head First Java book. Get this book from here. Another good option is Thinking in Java. I would recommend Android Programming: The Big Nerd Ranch Guide book to start with.
This book is an excellent introduction to Android development. You can use this book as a practical Android development guide as it provides great code samples with clear explanations of the key concepts. I would also recommend Head First Android Development.
Though this book is a bit outdated, it explains the key concepts in a very interesting way. If you prefer to learn from video tutorials, I would recommend you to enroll for below courses.
If you want to prepare yourself to become a certified Android developer and if you have the budget, I would strongly recommend you to enroll for Android Developer Nanodegree Program from Udacity [In collaboration with Google].
This official guide covers all the basic stuff with a lot of code samples which can prove to be very much helpful to any Android developer. Make sure you understand these concepts very well. I would also recommend Efficient Android Threading book. Stay tuned.
Sign in Get started. Archive About Submit your article. Jan 4, Also Google has announced Kotlin as an official language for programming Android apps. Then why the hell are you telling me to learn Java first??? So, if you know Java then it would be good for you to understand what the Java code is doing without you plugging the code into the Java to Kotlin Convertor. Knowledge of Java is required, due they have another guide called Head First Java. This is considered by many developers as one of the best introductory books you can find about Android Programming, although you need to be familiar with Java.
This guide is based on an Android bootcamp course taught by experts developers from the Big Nerd Ranch , and it. This book covers the latest version of Android Studio and the latest version of Android Nougat. With more than chapters, it will guide you from your beginnings to an advanced level, learning about techniques, development tools, user interface, database and more.
If you are an advanced developer and wish to know what you are really capable of, this option is for you. Android Programming: Pushing the Limits will teach you about best practices and how to create more intuitive and innovate apps.
This is a great choice if you want to push the boundaries of Android programming, be more efficient and a better developer. This book will show you how to take the most out of the latest features of Android to create robust and compelling apps.
Certainly, reading a book is a great way to learn since many of them provide structure and a step-by-step guide on how to program for Android.
However, it is true that books are more likely to become outdated according to the way technology advances today. For this reason, enrolling in updated courses of Android can be a better option for beginners or advanced developers. What do you think about these books?
Have you heard about another important guide to learn android development for the first time? Methods and functions means the same thing in the context of object oriented programming and they are used interchangeably in this course. Behaviors of objects are represented using methods.
The following is a simple Java class called Vehicle. The behavior of the object can be changed using the two methods changeGear and speedUp. These are called getters - used to get the values — and setters — used to change the values of member variables. Getters and setters are crucial in Java classes as they are used to manage the state of an object.
In the Vehicle class provided previously, we can add two methods a getter and a setter for each member variable. Right click inside a class code and choose Source then Generate Getters and Setters, as in the screen capter: Inheritance Inheritance provides a powerful and natural mechanism for organizing and structuring your software. It set a parent-child relationship between two different objects. Object-oriented programming allows classes to inherit commonly used state and behavior from other classes.
In following example, Vehicle becomes the parent superclass of Truck and Car. In the Java programming language, each class is allowed to have one direct superclass, and each superclass has the potential for an unlimited number of subclasses.
Keyword this is used as a reference to the current class itself, while super is a reference to the parent class that this class inherent from. In other words, super is used to access member variables and methods of the parent class.
Interface An interface is a contract between a class and the outside world. When a class implements an interface, it must provide the behavior specified by that interface.
Access Modifiers Access modifiers determine whether other classes can use a particular field or invoke a particular method.
A class may be declared with the modifier public, in which case that class is visible to all classes everywhere. If a class has no modifier the default , it is visible only within its own package packages are named groups of related classes. At the member level, in addition to the public modifier or no modifier package-private , there are two additional access modifiers: private and protected. The private modifier specifies that the member can only be accessed in its own class.
The protected modifier specifies that the member can only be accessed within its own package and, in addition, by any other subclass of its class. Method overriding and overloading Within the same class, you can create two methods of the same name but differs in the number of arguments and their types.
This is called method overloading. Note that changing the return type alone is not allowed to overload a method. You should change the parameters signature if needed. Method overriding occurs when a class inherits a method from a super class but provides its own implementation of that method.
In the following code, class car overrides method speedUp defined in class Vehicle.
We can do the same thing with class car. Vehicle 1 info: The vehicle has a speed of: 50 and at gear 2 Vehicle 2 info: The vehicle has a speed of: 50 and at gear 2 The car has 4 seats. Follow the steps detailed in Lesson 1 of this book.
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Override a method in Parent, and overload another one in Child. In the Navigator view to the left of you Eclipse editor, right click on folder src. From the menu that shows up, point to New, and then click on Class c.
Click Finish e. Open file Parent. Type in it the following code package com. Open file Child. Type in the following code package com. Open file IParent. Method thirdMehod in class Child is overloaded. Exceptions Handling errors is an essential part of writing a robust code.
Java uses exceptions to handle errors. This section explains exceptions and how to use them.
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When an error occurs, the Java runtime environment handles an error object that is created by the method where the error occurs. This object is called exception, and contains basic information about the error like the type of the error, the location, the stack of methods that lead to the error…etc.
The process of creating an exception object and handling it by the system is called throwing an exception. When handling the error, the system searches through that stack to find an error handler in the code; i.
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All exception objects are children of the parent class Exception. The different types or errors thrown are children of class Exception.
For example, reading from a file on the disk, a programmer should expect is non- existent. In this case, the programmer should expect a java. FileNotFoundException, thrown, and thereafter catch this exception and notify the user of a proper action. Unchecked Exception These come in two types themselves: Errors and Runtime exceptions.
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They are grouped in one category because both cannot be anticipated or recover from by a programmer. Errors are external to the applications. The unsuccessful read will throw java. IOError, and it makes sense for the program to print a stack trace and exit. Errors are those exceptions of type Error class and its sub-classes.
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Runtime exceptions usually indicate programming bugs such as logic errors. They are or type RuntimeException class and its subclasses. Handling errors exceptions in Java is done through the try-catch-finally blocks.
While the finally block is optional, the try and catch are obligatory to fulfill error handling. The finally block can be used after the exception block. This block of code will always run whether there is an exception thrown or not. If an exception was thrown, the line of code that closes the file might be skipped. The finally block would be the best place to close the file in. Java Collections Java provides a set of classes and interfaces to help developers handle a collection of objects. These collection classes similar to an array, except their size can grow dynamically during run time.
This section will provide an overview of some of the more popular Java collection classes. It provides two main Interfaces: Collection and Map.
These two are the core of the Java Collection framework. Other interfaces inherit from these two. For example, the List and Set interfaces inherit from Collection interface. All of these interfaces are generic; i. There is a main difference between subclasses of Collection interface and those of Map interface.
The collection contains a group of objects that can be manipulated and passed around.Arrays Arrays are containers that hold a fixed number of values of a certain type.
This lesson will introduce you to objects, classes, inheritance, and interfaces. For example, the List and Set interfaces inherit from Collection interface. Objects are essential to understanding object- oriented programming.
Classes provide a clean way to model the state and behavior of real world objects. Each book is crafted with care and precision, undergoing rigorous development that involves the unique expertise of members from professional technical community.