Arun Chandravanshi

Android working with observable data objects using DataBinding

Observable Data Object refers to the capability of an object to notify others(listeners) about the changes in its data. The data binding library allows us to make objects, fields, or collections observable. Any plain-old object can be used for data binding, but modifying the object doesn’t automatically cause the UI to update. Data binding can …

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Android Data Binding In RecyclerView

In the previous article, we have learned about the Basics of dataBinding.Now In this android data binding RecyclerView tutorial, I’m going to show how to implement data binding in Android RecyclerView. Data binding binds the UI with data sources and reduces lines of code. Using DataBinding in an adapter class keeps the code to very …

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Android Jetpack Data Binding

In this article, we are going to learn the basics of DataBinding with an emphasis on explaining how data binding is implemented within an Android Studio project. Data Binding  DataBinding is one of the Android Jetpack Architecture Component suggested by android. The Data Binding Library is a support library that allows you to directly connect …

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Android RecyclerView Example with ItemClick(part II)

In the previous article, we have already talked about how to work with RecyclerView with a simple example. Now In this article, we will talk about how to display the description of an item in another activity on clicking of a button of each RecyclerView Item. Get GITHUB code from here. Updating Existing Project 1 …

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Android how to Integrate Rewarded and Native Ads in your App(part II)

In the previous article, How to Integrate Banner and Interstitial Ads in your App(Part I)  we have talked about how to integrate 2 different types of ads in your application, Banners ads and Interstitial ads. Now In this article, we will talk about how to integrate the other two ads in your application ie. Rewarded …

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Android how to Integrate Banner and Interstitial Ads in your App(Part I)

AdMob is a multi-platform mobile ad network that allows you to monetize your android app. It is very useful particularly when you are publishing a free app and want to earn some money from it. Integrating AdMob is such an easy task that it takes not more than 5mins. In this article, I will teach …

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Android Junit and Espresso Testing using CalculatorApp example

This article is designed to get a basic understanding of how to add JUnit and espresso testing in the android application with the help of a simple calculator app. CalculatorApp will perform operations like addition, subtraction, multiplication, division, percentage only on two numbers. In CalculatorApp we will write Unit and UI test cases on all …

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Android App Widgets with collections

App widgets with collections In the earlier versions of Android, app widgets could only display views like TextView, ImageView, etc. But what if we want to show a list of items in our widget? For example, a collection of pictures from a gallery app, or a collection of emails/messages from a communication app. Collection widgets …

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Android App Widgets with Example

In this article, we will talk about Android Widgets, how to add Widgets into our application and also how to work with it with a simple example. What is an App Widget? App Widgets are miniature application views of an app’s most important data and functionality that is accessible right from the user’s home screen …

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Android ConstraintLayout Animation:Part II

In the previous article, Android ConstraintLayout Animation: Part I we have talked about how to implement keyframe animation with a simple example using ConstraintLayout and ConstraintSet.We also peeked into few methods which made our animation possible. Now In this article, we’ll see another use-case and we’ll also learn how to implement other transition effects. Let’s …

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