In my application I open a modal and I put some values on it, and if it close, open up an alert to confirm the exit, and if clicked in ‘yes’ the user lost the data puted on the input fields, so when I press the device back button I want the same behavior. I did a function close() on the modal, to b…

this.platform.registerBackButtonAction(() => { this.navCtrl.setRoot(YourPage); });

This is probably overkill, but if you want extremely fine-grained control, you can create a BackButtonHandlerProvider with two main methods – setHandler and runHandler. Then each page calls setHandler in ionViewWillEnter(), and your registerBackButton calls runHandler. So every page could have a di…

I am also having this issue, but in my case the application closes before initiating the handler I set. I.e I set that when I click the hardware back button, the app should show a confirmation alert before closing. But instead the app goes to background, when I re-open the app it then show me the c…

Most probably you don’t know, but you are hijacking this thread. Please create a new thread and post your question there.

I created a back button Service to share the information that the Modal is open to my app.component.ts. export class BackbuttonServiceProvider { public active: boolean = false; constructor() { console.log('Hello BackbuttonServiceProvider Provider'); } public setActive() { this.act…

How to properly handle back button to a Modal on Ionic

Ionic Framework ionic-v3

SigmundFroyd July 19, 2017, 3:04am 2

Why not just show the confirmation stuff in your close() function?

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How to properly handle back button to a Modal on Ionic

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