Using Fonts in Android
Android has supported setting custom fonts from a long time, but it has always missed out on one feature, setting fonts in xml. It has only allowed using fonts programmatically. Android team has finally resolve...
Scanning and Generating Barcode in Android, Demo app in Kotlin
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 l...
Think before you execute, here are some reasons to create a function.
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 writ...
Getting Started with Kotlin – Tutorial 4 – Functions
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.
In kotlin, to define a function you have to use the fun...
Getting Started with Kotlin – Tutorial 3 – Looping
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 b...
Getting Started with Kotlin – Tutorial 2 – Control Flow
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 ...
Getting Familiar with Linux Commands – Tutorial 1 – File Specific Commands
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 touc...
Getting Familiar with Linux Commands – Tutorial 0 – Basic Commands
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 just typin...
Getting Started with Kotlin – Tutorial 1 – Basic Syntax, Variables and Data Types
In the previous tutorial we saw the basic Hello World program written in Kotlin. Lets examine it more deeply.
Notice something weird? The main function is defined all by itself, its not inside a class, this ...
Getting Started with Kotlin – Tutorial 0 – Installation and Hello World
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 K...
Start using lambdas in Android with Retrolambda
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 dire...
Make a moving Gradient Background in Android
This is a quick tutorial on how to make a moving gradient background on Android.
To achieve this all we need is AnimationList. Lets start!
First we will create five gradient drawables in different files, ...
How to Search and Highlight text in Android
This is a quick tutorial on how to highlight all the occurrences of a keyword provided by the user during a search.
We will use SpannableString to achieve this.
First set up a basic layout with a EditText...
How to use Butterknife in Android, Understanding the Ins and Outs
Tired of writing findViewByID() over and over again? Tired of wiring up all those views each and every time whenever you create a new fragment, activity or adapter? Well then this tutorial is for you. In this t...
How to hide Floating Action Button when scrolling in Recycler View
You might have seen many applications hiding the FAB on scrolling down and showing back when scrolling up. Hiding the FAB leaves nothing in the way of user and the content, making it an overall better UX.
It...