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AI Features

Loading Indicator

Explore how to implement a loading indicator on the login screen of your Android app using Kotlin. Learn to manage UI states by showing a ProgressBar while disabling input fields and hiding the login button during login processing. This lesson helps you create a smooth, user-friendly login experience with proper data validation and visual feedback.

Flow overview

When the user clicks the login button, we will perform a data validation flow. If the data is valid, proceed to:

  1. Hide the login button to prevent a user from clicking the button
  2. Disable the username and password input fields to prevent a user from changing the text

Layout update

To show the indeterminate loading indicator, we are going to use a ProgressBar view. ...