Tips for preventing keyboard events from being inherited by all pages in the stack in Ionic framework

In my Ionic 3 app, I have a specific page called Page1 that requires customized keyboard handling. Here is how I implemented it on Page1:

@Component({
  ...
  host: {
    '(document:keydown)': 'handleKeyboardEvents($event)'
  }
})
export class Page1{
  ...
  handleKeyboardEvent(event: KeyboardEvent) {
  if(event.which == 13){
    console.log("You pressed Enter!");
  }
}

Everything works as expected on Page1. However, there is a button 'go to Page2' on Page1 that, when clicked, navigates to Page2 using this code:

this.navCtrl.push(Page2, {});

Upon reaching Page2, pressing the 'Enter' button on the keyboard triggers the handleKeyboardEvent function and logs a message to the console. I want this keyboard handling to be exclusive to Page1 and not affect any other pages currently in the stack.

How can I prevent this behavior from happening?

Answer №1

If a more refined approach is not available, one may consider

handleKeyboardEvents(event: KeyboardEvent) { 
  if(this.navCtrl.getActive().name=="Page1"){
    ...
  }
}

Answer №2

It's difficult to give specific advice without knowing the structure of your project and what exactly you are trying to achieve. One approach to consider is setting key events directly on the inputs or elements for each page, instead of using

'(document:keydown)': 'handleKeyboardEvents($event)'

This strategy may also improve your ability to detect the enter key. Give it a try by applying this method to your elements and creating a unique function for each page. For example:

(keyup.enter)="myFunctionToRun()"

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