crossinline action: TimerTask.() -> Unit. ): Timer. Creates a timer that executes the specified action periodically, starting after the specified initialDelay (expressed in milliseconds) and with the interval of period milliseconds between the end of the previous task and the start of the next one. Creates a timer that executes the specified action periodically, starting after the specified initialDelay (expressed in milliseconds) and with the interval of period milliseconds between the start of the previous task and the start of the next one.

Kotlin-friendly SDK. Starting with Android 9 (API level 28), the Android SDK contains nullability annotations to help avoid NullPointerExceptions. API reference documentation is also available in Kotlin. Note: Many Kotlin reference topics are derived from Java-based source code. This means that some Kotlin reference topics might contain Java ... Jan 23, 2020 · Show the countdown timer in your TextView Now, to call the updateTime() function every second, we’re going to use the Handler() class and repeat the handler every second (1000 milliseconds) If you want to show different text after the event has passed, create a function with a name endEvent and pass the currentdate and eventdate . Jan 05, 2018 · Learn how to create a beautiful material design timer app for Android. In this course you will learn how to make a user interface. Later we're going to code a timer which can run in the foreground ...