In this example, the countdown is used to display a toast message for a specific duration when a button is pressed: The CountDownTimer class schedules a countdown for a time in milliseconds with notifications at specified intervals until the countdown is finished. You can use a android.os.CountDownTimer to count down the time for which to display a toast. There is no way to directly change the duration for which the toast is shown using the show() method without reimplementing the whole Toast class in your application, but there is a workaround. But what if you have a long error message that needs to be shown for longer than that? Or if you need to show a countdown that updates every second? The duration for which a toast is displayed on screen is unfortunately defined by a flag: you can either show it for a SHORT duration, which is 2 seconds or a LONG duration which is 3,5 seconds. Toast.makeText(context, " Hello world, I am a toast.", Toast.LENGTH_SHORT).show()
Context context = getApplicationContext()
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