Generally, to authenticate into any android application you have to manually enter the username and password. Also, if you forgot the password or username then you have to recover it by going through a series of steps. Now, this authentication method is getting old and applications are switching to Fingerprint Authentication. By adding Fingerprint authentication to your application you do not need to remember the […]
Generally we are taking screenshots in android devices by pressing power + volume down button. Now arises a question that is it possible to take screenshot programmatically from android app? Yes, it is possible to capture screenshot within our android app programmatically. In this tutorial, you will learn how to take screenshot programmatically of an activity or a view. Let’s Get it Working In […]
Expandable List View is a view that shows items in a vertically scrolling two-level list. It is different to list view as it allows two levels: groups that can individually be expanded to show its children. Each group can be expanded or collapsed individually to show or hide its children items. Basic usage of expandable list view is to group data by categories. Let’s Get […]
In software applications, it is mostly required to store users and app data locally. Android SDK provides several API’s for developers to save user and app data, So SQLite is one of the ways of storing data. For many applications, SQLite is the app’s backbone whether it’s used directly or via some third-party wrapper. In this tutorial, we will write code in Kotlin and also […]
Sometimes you need some data to be available throughout our application so that you can read that data and use it in different scenarios like user sessions, app settings, etc. There are several ways to do that, one of the common way is to store data is global variables but problem is that data get lost when user closes the application. To eliminate this kind […]
We have seen many apps on play store which provides the hardware and software information. In Android one can easily fetch the information programmatically using Build class. Build class in android provides the basic information like serial number, android SDK, brand, model no, manufacture, version code and etc. There are many other information you can get from a android device but here we will focus […]
Adding Animated Gradient Background in your app is really easy by using xml and java code. Animated moving gradients background between gradients as animation makes your android app really awesome. You might have seen this type of background color animation in Instagram app’s Login Screen. Instagram app keeps on transforming background from one gradient to another very beautifully. So this can be achieved very easily […]
Android Application Size really matters when going live to the play store. Users often avoid downloading apps that seem too large, particularly in emerging markets where devices connect to often-spotty 2G and 3G networks or work on pay-by-the-byte plans. I would like to share the few approaches which you can use to reduce apk size without impacting the quality of your app. 1. ProGuard ProGuard […]
A countdown is a sequence of backward counting to indicate the time remaining before an event is scheduled to occur. To achieve countdown Android comes with a built-in CountDownTimer class for constructing CountDownTimers. Its easy to use, efficient and works.This class is an abstract class whose methods need to be overridden to implement it in our project. Let’s Get it Working In this tutorial we […]
In software applications, it is mostly required to store users and app data locally. Android SDK provides several APIs for developers to save user and app data, So SQLite is one of the ways of storing data. For many applications, SQLite is the backbone of the app whether it’s used directly or via some third-party wrapper. In this tutorial, we will see how to use […]