Android Options Menu: Android Options Menu is a primary collection of menu items in an android application and useful for actions that have a global impact on the searching application.The Menus in android applications are the following: In android, we have three types of Menus available to define a set of options and actions in our android applications. With the help of the menu, users can experience smooth and consistent experiences throughout the application. In android, Menu is an important part of the UI component which is used to provide some common functionality around the application. How to Change the Background Color of Button in Android using ColorStateList?.MVVM (Model View ViewModel) Architecture Pattern in Android.Check if given string contains all the digits.How to check if string contains only digits in Java.Check if a String Contains only Alphabets in Java using Regex.Check if a String Contains Only Alphabets in Java using ASCII Values.Remove elements from a List that satisfy given predicate in Java.Check if a String Contains Only Alphabets in Java Using Lambda Expression.

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Step 3 − Add the following code to src/MainActivity.kt import android.os.Bundle Step 2 − Add the following code to res/layout/activity_main.xml. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. This example demonstrates how to change spinner text size and text color in Android App using Kotlin.

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