While scanning barcode in android is an old topic, some people still struggle to find a easy and reliable solution. So here is a tutorial on scanning as well as generating barcodes in android. We will use two libraries, one Read more…
Whether you are a newbie or a working professional, software design is something that you will have to think about if you want to become a better software developer. There are many parts when designing and writing software, functions is Read more…
Compared to JAVA, Kotlin has a different syntax when writing functions. Lets take a look at an example and then break down every line to understand it. [crayon-5adeec61b8070904727923/] In kotlin, to define a function you have to use the fun keyword. Read more…
In the previous tutorial we saw how to use control flow statements. In this Kotlin tutorial we will take a look at the different types of looping constructs. If you have ever programmed in a language you will be familiar Read more…
In the previous Kotlin tutorial we saw how to define basic variables using var/val and learned about the basic data types that Kotlin provides. Now we will look at how to implement control flow in the language using if, else and when. Read more…
In the previous tutorial you saw some basic linux commands, now you will see some of the commands that are used to create and manipulate files. Touch The touch command is used to create a file. Just type touch followed by Read more…
Using the linux command line is one of the most useful skill you can develop. If you have a good hand on the command line then you can operate the whole system or number of systems for that matter by Read more…
In the previous tutorial we saw the basic Hello World program written in Kotlin. Lets examine it more deeply. [crayon-5adeec61b8eeb924419186/] Notice something weird? The main function is defined all by itself, its not inside a class, this is because Kotlin Read more…
Kotlin is a new language by JetBrains. This kotlin tutorial is not meant to explain the language itself, that we will do in the upcoming tutorials. In this tutorial we will see the various ways we can install Kotlin on Read more…
Tired of implementing those anonymous interfaces? Annotating those functions with @Override all the time? Well you need to use lambdas. Lambdas were included in JAVA 8. Unfortunately you cannot use Lambdas directly in Android Studio by just changing you JAVA Read more…