Kotlin Visibility Modifiers

This post is about Access/Visibility modifiers in kotlin and how to use them. Access Modifiers In Kotlin, visibility modifiers are used to restrict the accessibility of Classes, objects, interfaces, constructors, functions, properties and their setters to a certain level. Getters always have the same visibility as the property. There are four visibility modifiers in Kotlin: public protected internal …

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Android Jetpack Proto DataStore Example

This blog is about Android Jetpack Proto DataStore and how to implement Proto DataStore in our Android application. Proto DataStore Proto DataStore stores data as objects of a custom data type. When using Proto DataStore, you have to define a schema using protocol buffers. Creating New Project 1 . Create a new project by going to File ⇒ New …

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Android Jetpack Preferences DataStore Example

This blog is about Android Jetpack DataStore Preferences and how to implement DataStore Preferences in our Android application. DataStore Jetpack DataStore is a data storage solution. It allows us to store key-value pairs (like SharedPreferences) or typed objects with protocol buffers (discuss in the next article). DataStore uses Kotlin, Coroutines and Flow to store data asynchronously with consistency …

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Android highlight the paragraph in TextToSpeech

This post is about how to change paragraph color which is current speaking in TextToSpeech. Creating new project 1. Create a new project by going to File ⇒ New Android Project, fill the required details and then click on finish. 2. The below layout file consist of two textView and a button to trigger an event that will highlight the …

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Android highlight a word in TextToSpeech

This post is about how to highlight the word while speech is running in TextToSpeech. Creating new project 1. Create a new project by going to File ⇒ New Android Project, fill the required details and then click on finish. 2. The below layout file consist of two textView and a button to trigger a event that will highlight the …

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Android Text to Speech Example

Android is providing a cool feature (from Android 1.6) called Text to Speech (TTS) or speech synthesis which speaks the text in different languages. This tutorial is about how to work with android text to speech or android speech synthesis. It also includes changing the language type, speech pitch and speech rate. Creating new Project …

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Android Styles and Themes

This article is about Android Styles and Themes and how to use them in Android application with the help of simple examples. Style A style is a collection of attributes that specify the appearance for a single View. A style can specify attributes such as font color, font size, background color, and much more. Create and apply a …

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Kotlin Interfaces(With Examples)

This article is about interfaces and how to implement it in Kotlin with the help of simple examples. Interfaces In Kotlin, Interfaces can contain declarations of abstract methods (have no body), as well as method implementation of non-abstract methods.  Interfaces can have properties but these need to be abstract or to provide accessor implementations. Creating …

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Kotlin Abstract Classes and Abstract Members

In this article, you will learn about Kotlin abstract classes, abstract methods and how to use them in our program with the help of examples. Abstract Classes An abstract class is a class that cannot be instantiated (we cannot create objects of an abstract class). Syntax We use the abstract keyword to declare an abstract class. abstract class className …

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Android Drag and Drop Example

This tutorial is about Android drag and drop feature and how to use it in an Android application with a simple example. Android Drag and Drop framework, allows you to move data from one View to another using a graphical drag and drop gesture. Although the framework is primarily designed for data movement, you can …

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