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Related Hot Network Questions. Question feed. There will be two event handlers as shown below:. At first, the handler with priority 10 will fire, the processNextHandler method will trigger the next back press handler with lower priority 5. If the user is on any internal page, simply navigate to the previous route or it is on the Home page then show an alert message with buttons to Stay or Exit.
The isCurrentPathEqualTo method is checking if the current page is Home, if not navigate back to the previous page. Otherwise display an Alert message by calling the showExitConfirm method. Also, we are calling the processNextHandler method to activate immediate next lower priority handler when an alert is displayed.
So that if the user hits back again the app will close. When the user taps back even when Alert is shown, then the second handler will be served to check if the alert is open then simply exit the application. As the user intentionally wants to close the app. The getTop will check if an alert is open, even then if the back is pressed the application will close by calling the navigator['app'].
Looking for more? Check out the examples below that demonstrate some other common scenarios. All operations return a custom Future that allows you to specify a callback that runs on completion. Though you should try to use callbacks for handling requests whenever possible, blocking on requests is possible too. All Futures have a Future. Wondering why your app is slow? Ion lets you do both global and request level logging.
By default, Ion automatically places all requests into a group with all the other requests created by that Activity or Service. This wikiHow teaches you how to pause or cancel a file download in your Android's Notification Center, or cancel an app download from the Play Store. To stop a web download, swipe down from the top of the screen and select Pause or Cancel. To stop a Play Store download, tap X on the progress bar. Did this summary help you? Yes No. Log in Social login does not work in incognito and private browsers.
Please log in with your username or email to continue. No account yet? Create an account. Edit this Article. We use cookies to make wikiHow great. By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article methods. Related Articles. Article Summary. Method 1. Open your mobile internet browser. You can use any mobile browser available on Android, such as Chrome, Firefox, or Opera.
Find the file you want to download on your Android.
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