The Notifier Component Explained – App Inventor

notifier component app inventor
In this App Inventor tutorial we’re going to cover the Notifier component. We’ve been getting a few questions on this in our online App Inventor courses and decided to produce a video explaining the four types of Notifiers you can use in App Inventor.

For those of you who don’t know what the Notifier component in App Inventor does, it allows you to bring up a message that sits on top of your apps that does one of four things:

  1. Displays a message and disappears automatically
  2. Displays a message that disappears when the user clicks a button
  3. Displays a message that give the user two different button options to click
  4. Displays a message that allows the user to input some text, such as a password, before moving on to the next step

Without further ado, here is our Notifier component App Inventor tutorial:

Android is awesome, but did you know you can create iPhone Apps without writing code?


  1. terry says:

    can the notifier that displays a message that give the user two different button options to click, do anything other than closing the notifier screen?

  2. G says:

    Related to Terry’s comment…. can I get the results of which button was clicked and take action on that. I’m looking to create a Back button that notifies the user that if they go back their data will be lost. I want an OK and Cancel button. If the user clicks on OK, I want the screen to close.

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