How to Create an Android Application - The Ultimate Guide To APPLICATION

How to Create an Android Application - The Ultimate Guide To APPLICATION

Author Name: Punit Korat

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Building your Android program doesn't have to be challenging. If you aren't too ambitious, then you can break the process down into some basic steps and avoid overwhelming yourself at one go. The trick is to make your very first program comparatively straightforward and to focus on making something. Do not try and create your magnum opus first time around -- build something small to learn the ropes and to understand how it all works. This will provide you the knowledge and the confidence that you need to go bigger next time.

In this informative article, I will show you exactly how to do this in 10 simple steps. We are going to go from the initial beginning and ideation, all the way through to uploading your app to the Play Store. android application All you need is a couple of hours in the evening distribute over 10 days and you will officially call yourself an app developer!

Before you can begin, you clearly have to get some idea about what you are going to create. Working toward a job makes learning much simpler because it generates direction and context.

The aim here isn't to become another Mark Zuckerberg using a world-changing idea though. Rather, the aim must be to create something which's as easy as you can while still being fun/interesting. Do not make it so dull that you don't want to create it but try to avoid some complex functions as far as you can. Ideally, the program is only going to require one'screen' (action ) and will entail some simple interactions to ensure that something occurs when the user presses a button. Consider it a challenge to make something that's genuinely helpful with the minimum quantity of code.

You can build something more complicated in future but for you started the priority is to obtain a working app in the shop. By the end of day one, you should know what it is you're likely to make and have an idea of how it will operate.

Now you know what it is you want to create, you need to come up with a basic wireframe for your program. Wireframing is an expression frequently utilized in web design but it applies here too. It means drawing a map of the respective screens (if you are going to have more than one), of the buttons, and of any graphics you're likely to use (like logos, pictures, backgrounds etc.). This provides you with a great outline for all you want to create.

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I recommend going with something a little less complex for your first app however. Don't be concerned about following any particular method for making your plan either -- just pull out it in a way that you understand which comes naturally. Utilize some grid paper and sketch openly. Either way, by the end of day 2 you need to have a sketch of your app and know exactly what graphical elements you are going to need.

Day 3: Selecting your IDE and setting it up

The IDE is your'Integrated Development Environment'; a piece of software that provides everything you want to develop your apps. This program will provide the window where you'll enter your code, so it will check it and format it as you type and it'll compile everything to you once you're ready to examine it or print it. Don't be concerned about that however, follow the actions outlined and it will be managed for you.

The most frequent way to build Android apps is to utilize Android Studio and Java. This is the official system recommended by Google and it will afford you a great deal of flexibility whilst ensuring there's plenty of assistance if things go wrong. Additionally, this is the method you will have to know if you ever plan on becoming a specialist programmer. I've published a post before walking through the measures needed to start with Android Studio. This will explain to you how to install and setup whatever you want from Android Studio itself, to Java and the Android SDK. Again, do not worry about it.

There are numerous other options for your IDE and language also however. You may select Unity and C++ for example if you want to earn a game. Basic4Android is a IDE focused on rapid development that allows you code with BASIC rather than Java. There is an IDE that runs on Android named AIDE.

In the vast majority of cases though, I recommend that you use Android Studio to your first app (along with the remainder of this article will assume that's the path you're taking). Walk through the steps I outlined to place that up and try to create your first'Hello World' application by the end of day .

Day 4: Learning the basics of Java

As we're using Android Studio and Java to build our app, it will certainly pay to find out a little Java. There is no need to becoming a coding wizard at this point however, you should at least know exactly what the formatting looks like and you should be familiarized with some simple concepts such as variables, courses and conditional statements.

Sounds frightening? Do not worry -- it is a whole lot easier than you think! Gary Sims and now I have been working on a Java tutorial series to teach you the ropes. If you browse through these first two posts, then I'm fairly confident you will be able to get a grasp of the basics in a day. And do not be concerned if it doesn't all gel right off; we'll be coming back to this. For now, just read enough to provide a simple notion of how Java works and what it's going to involve. And think about this in the circumstance of your program. What sorts of factors are you likely to require? What surgeries will be convenient?

And as you do this, revisit your wireframe and take note of what will occur on each button click. Do not worry if you do not know how to connect certain code to certain interactions nevertheless, that will come with time. That is all going to be somewhat subjective at this point!

This was somewhat hefty, so for day five we're going to return to doing something a little easier and more fun. Especially, we are likely to create and acquire the pictures that we require. You ought to know just what sorts of materials you will want according to your own wireframe and that will consist of things like logos, icons and wallpapers.

There is nothing wrong with using free stuff; many professional apps do it!

Some of these things you can build yourself using tools such as Adobe Illustrator. Others you will most likely want to borrow and fortunately, you will find tons of free tools where you can find pictures in the public domain. Check out Icons, fonts, tools and more resources for Android developers for a valuable list. You may even go another route and outsource some aspects of the plan.

We're aiming to do this in an evening remember, so don't be overly rough! There's nothing wrong with using free stuff; many professional apps do it!

Now you're likely to make your design in Android Studio with the'designer'. It is a tool that lets you simply drag and drop the widgets (also called'views') where you want them on the webpage. You'll need to start a new job in Android Studio to do that but there will still be no more programming necessary in this stage (except perhaps a little XML). To begin a new project pick File > New > New Project. Practice the steps selecting a name for your job and for your actions and select'Empty Activity'.

Now we are going to be launching the'developer' before starting to arrange where we want our widgets/ perspectives (the buttons, text and images etc.). I've written about how to do this in my article The best way to construct and use a basic Android program for your business and although that post is all about developing a business app, the exact same layout and design principles apply. That post will also show you how you can add the graphics you gathered to your endeavor.

Should you have to produce more than 1 display, then you'll want to make a new activity. Like I said thoughour aim is to make this program as simple as possible so limiting the amount of actions as far as you can. If you just have one or two displays and you also use a minimalistic layout, you should be able to finish the basic designs a day.

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Day 7: Writing the code

Now comes the harder part -- including the code. You understand the fundamentals of Java and you have your widgets/views already in place. Now you are going to start the Java file for your main activity and simply produce some'onClick' events to add code which will operate only if users click a specific button or otherwise take a particular action.

This will explain to you how you can make sure things happen when your buttons are clicked and the way to take care of things like factors, assets etc.. It can also serve as a recap on how best to make a new task and do some other primary pieces.

Do as much as possible with what you understand about Java and everything you understand from this post. Don't worry if the app is not completed yet concerning functionality though -- we will be adding more tomorrow. Just install the fundamental things like operations, factors and button clicks.

As you construct your code, you are going to want to test that it is working. This lets you run Android apps in your computer so you can check whether your programs are working or not.

Day 8: Implementing more innovative performance

You probably didn't completely finish your code in 1 afternoon with just a couple of hours' worth of learning Java (unless you are some kind of prodigy! ) ) , so this bit will require somewhat longer. That is why I'm setting aside two days to bring the code...

By now, however, you should have a number of the basic functionality set up so that your program responds to button clicks (in 1 manner or another) and possibly stores some variables.

Next is to add the more innovative functionality that will be specific to your program. For example, you may want your program to play audio when a button has been clicked. Perhaps you want to add a few flashy animations. Or maybe you have to know how to transition from one activity to another.

Together with the capacity to look up your own solutions and use them, there is no challenge you can not manage.

These items are relatively easy but I can not cover all them here because I don't understand what kind of app you are making! So rather than giving you fish, I will teach you how you can fish... Only identify exactly what it is you need your program to do then search Google to find ideas for how to get that workingout.

For Instance, if you want your button to play a sound when you click it, just search:"Android Studio play mp3 on click"

You do not even need to understand how the options work -- simply grab the code and then paste it in your own program to bring the necessary functionality (replacing any variables as necessary).

Together with the capacity to look up your own options and use them, there is really no challenge you can't handle. From the end of day 8, your app needs to be able to do each of the things that it should do.

Day 9: Adding some Excess polish

Getting realistic, your program is most likely still a bit rough round the edges at this time, which means you should do some stress testing to make sure it isn't going to wreck all the time and perhaps add some polish here and there too.

You will find ways to efficiently test your programs on a variety of apparatus without needing to buy out Carphone Warehouse. I've also written several posts myself looking at how you are able to present your program that material design look, or even more generally how to'pimp your app' and give it a wonderful coat of paint.

Another trick is to give your app to your family and friends so they can have a go at analyzing it. Do what needs to be done to create certain that your basic app is polished and ready for the prime time.

Last, you have to publish your program. This means you have to sign your application and create a new APK (the installation file that consumers can download to use your app). Signing is a sort of certification which ensures nobody except you can upload upgrades etc.. The official documentation is available here. You should also see this page to find out how to construct a release-ready APK through Android Studio.

Gary has written a post regarding publishing your first app in the Play Store, it will walk you through the step of uploading the APK into Google.

As you go through this process, you are going to be required to pick a cost (free is probably best for now) and also to fill out fields pertaining to your program description. You'll also need to bring some screenshots and a icon. For some pointers about how best to get your program to stand out from the store, check out the best way to produce your Android app stand out and get noticed.

Day 11: Rest

And also watch in eager anticipation as your own download counter creeps up and you start getting reviews (hopefully anyway!) . Don't worry if this doesn't happen though; this is just a learning curve and no matter how things turned out, you should now be much better poised to start on your next job. And regardless of whether you managed all of this in ten days, hopefully you understand the process you need to go through in order to produce your own applications. It really isn't all that hard as soon as you jump !

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