Android

In this android countdown timer example, we'll implement a timer object to display the progress in a [ProgressBar](/community/tutorials/android-progressbar-example). The application we'll build in this tutorial is a useful component in Quiz apps where the time left to complete the level is displayed graphically to enhance the user experience. Android CountDownTimer Android CountDownTimer class is used […]

Android is the most popular operating system for mobile phone. Android apps are very popular these days. Since Android is open source, it's very popular and anyone can create android apps. There are many companies working solely to create android apps. I have written a lot on Android tutorials, here I am listing some of […]

In this tutorial, we'll be developing an application that contains TabLayout, ViewPager and Fragments. We'll implement a functionality that passes data from one Fragment to the other fragment. Android Passing Data between Fragments Intents are only usable for sending data on an Activity level. To pass data between fragments we need to create our own […]

This tutorial will give you a hands on experience in using Android Spinner as a drop down menu, passing data using [android bundle](/community/tutorials/android-bundle) and showing popup notification using [android toast](/community/tutorials/android-toast). We will create an android application that consists of a simple spinner that allows selecting an item from a drop down list. We will display […]

URL: https://www.progressiverobot.com/okhttp-android-example-tutorial/ OkHttp is a third party library that was introduced by Square in 2013 for sending and receive HTTP-based network requests. OkHttp Android Initially Android had only two HTTP clients: HttpURLConnection and Apache HTTP Client; for sending and receiving data from the web. Each of these clients required a lot of boilerplate code to […]

In this tutorial we will create an app that consists of Android Custom Action Bar with a custom layout. We assume that you have a basic understanding of the ActionBar component discussed in [this tutorial](/community/tutorials/android-actionbar-example-tutorial). Android Custom Action Bar To customise an ActionBar first we need to configure the Theme in the res/values/styles.xml and set […]

Android JSONObject is used for JSON parsing in android apps. In this tutorial we'll discuss and implement a JSONObject in our android application to parse JSON data. JSON stands for JavaScript Object Notation. What is JSON? JSON is used for data interchange (posting and retrieving) from the server. Hence knowing the syntax and it's usability […]

Welcome to Android ProgressBar Example. Today we'll implement android ProgressBar in our application. There are two types of progress bars : Horizontal and Circular. We'll create both of these progress bar in android application. Android ProgressBar Android ProgressBar is a graphical view indicator that shows some progress. Android progress bar displays a bar representing the […]

URL: https://www.progressiverobot.com/qr-code-barcode-scanner-android/ QR Code scanner or Barcode scanner for android features are present in many apps to read some useful data. In this tutorial, we'll be discussing and implementing the Barcode API present in the Google Mobile Vision API. To know the implementation of Face Detection using the Vision API refer [here](/community/tutorials/android-face-detection). Barcode Scanner for […]