How to create modal in ionic 4

First, import ModalControlle in modal page constructor.

constructor(private modalController: ModalController) { }

then create a method, inside the method create a modal and present it.

async openExpense() {

const modal = await this.modalController.create({

component : AddExpensePage

});

return await modal.present();

}

How to close modal page

async closeModal() {

await this.modalController.dismiss();

}