screenshot of Alerter


An Android Alerting Library


Alerter is an Android library, now written in Kotlin, that aims to overcome the limitations of Toasts and Snackbars while simplifying the integration into any app. It provides a customizable Alert View that is dynamically added to the Decor View of the Window, overlaying all content.


  • Simplicity: Alerter uses the builder pattern to make integration easy.
  • Customizable: Users can customize the background color, icon, on-screen duration, and more.
  • Support for Activities and Fragments: Alerter can be used both from an Activity and from a Fragment.
  • Visible Alert Check: Users can check if an alert is currently being shown and hide it if needed.
  • Customization of Fonts and Text Appearance: Alerter allows users to customize the fonts and text appearance of the alerts.
  • Enter/Exit Animations: Custom animations can be added to the alerts.
  • Visibility Callbacks: Users can receive callbacks when the alert becomes visible or hides.
  • Progress Bar: A progress bar can be added to the alerts.
  • Buttons: Users can add buttons to the alerts.
  • Custom Layout: Alerter allows users to create alerts with custom layouts.


To install Alerter, follow these steps:

  1. Include the Maven repository in your project's build.gradle file.

    repositories {
        maven { url '' }
  2. Add the Alerter dependency to your app's build.gradle file.

    dependencies {
        implementation 'com.github.tapadoo:alerter:5.0.0'


Alerter is an Android library written in Kotlin that provides a customizable and simplified way to display alerts in Android apps. It offers features such as customizability, support for Activities and Fragments, visibility callbacks, progress bars, buttons, and custom layouts. By using Alerter, developers can overcome the limitations of Toasts and Snackbars while reducing the complexity of their layouts. Installing Alerter is straightforward, requiring the addition of the Maven repository and the Alerter dependency in the app's build.gradle file.

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