I disabled the back button under certain conditions by registering an action event like this:
$ionicPlatform.registerBackButtonAction(function (event) {
if (condition)
{
event.preventDefault();
$ionicHistory.nextViewOptions({ disableBack: true });
}
else
{
$ionicHistory.goBack();
}
}, 800);
Now, how can I re-enable the device back button? It is currently still disabled and not allowing me to go back to the previous view.
give this a shot
let lastTimeBackPress = 0;
let timePeriodToExit = 2000;
platform.registerBackButtonAction(() => {
// check current active page
let view = this.nav.getActive();
if (view.component.name == "HomePage") {
//Double check before exiting app
if (new Date().getTime() - lastTimeBackPress < timePeriodToExit) {
platform.exitApp(); //Close the app
} else {
let toast = this.toastCtrl.create({
message: 'Press back again to exit App',
duration: 3000,
position: 'bottom'
});
toast.present();
lastTimeBackPress = new Date().getTime();
}
} else {
// navigate to previous page
this.nav.pop({});
}
});
hopefully this solution works for you
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