Alert
Alerts are useful components for displaying important messages while users are in the app itself
Demonstration of how an Alert looks on Android, iOS and Web
To add an Alert component to your app:
- 1.Navigate to the Blocks tab of your project.
- 2.Under the App Features heading, locate Alerts.
- 3.Click the ⊕ symbol next to Alerts.
- 4.Complete the properties fields as described below.
- 5.Click Submit.
You will see a dialog with options to enter certain properties for your Alert.
Once you have an Alert to your app, you can view it under the
Alerts heading on the Blocks tab. 
To edit the properties of an Alert component, click on the ⚙ icon next to the component's name to bring up the properties dialog. You can change the properties and click Submit to save your changes, or click Delete to delete the component.
A one button alert, also known as a notification, displays a message and one button to confirm user has viewed the message
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To set up an alert, simply fill in the following
simple properties. The Cancel Button Text only needs to be filled out for a two-button alert. You can use blocks to start an event whenProperty | Description |
|---|---|
Title | The title of the alert |
Message | The subtitle of the alert |
Confirm Button Text | The text of the button |
Cancel Button Text | LEAVE BLANK |
Two button alerts have two buttons, one that dismisses the notification and one that can be programmed to start an event
To set one up, simply add the following
simple properties.png?alt=media&token=c6fc4a62-e587-4a2b-a554-e836a5280cb9)
Property | Description |
|---|---|
Title | The title of the alert |
Message | The subtitle of the alert |
Confirm Button Text | The text of the right confirm button; If the Dangerous switch is turned on, the text will be in red (iOS only) |
Cancel Button Text | The text of the left cancel button |
If you want to start an event from a confirm button, you will want to add the blocks below:
You can set the Text of the Alert. You can set the Style of the Alert to ok, destructive or cancel.
On iOS, the Alert can show more than 3 Buttons.
On Android, the Alert can show up to 3 buttons. If more than 3 buttons are specified, the first 3 will be shown.
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A three button alert displayed on Android and iOS devices
Property | Description |
Title | The title of the alert |
Message | The subtitle of the alert |
Text Advanced | The text of the button |
Style Advanced | The style of the button; ok is a confirm button, cancel is a cancel button and destructive is a confirm button with text in red (iOS only) |
The 'showButtonList' block will return an output called 'buttonPressed'.
This will return the position of the Button in your Button List.
You can take some action based on which button was pressed.
Note: the Buttons may appear in a different order when testing the app on a device.
The number that ‘buttonPressed’ returns is the order that the Buttons are added in the app project.
Last modified 3h ago