CountDownTimer Tutorial with Code in Android Studio

CountDownTimer Tutorial with Code in Android Studio

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This tutorial describes how to use CountDownTimer class in android.

Count Down Timer:
The CountDownTimer class can be used to schedule a countdown timer until a time in the future, with regular notifications callbacks on intervals along the way. This class is an abstract class whose methods need to be overridden to implement it.
Like we used it to implement a timer in our project, we created a new object of this abstract class passing to it two parameters: millisInFuture: which is the number of millis in the future from the call to start() until the countdown is done and countDownInterval: which is the interval along the way to receive onTick(long) callbacks , then override its two methods: onTick(long millisUntilFinished) and onFinish(), then we start the countdown by calling start on this object, and that's it.


We can achieve the same thing in other ways such as using handlers and runnables.

Handlers: they are easy is to use them and they can do a few things such as
-Schedule and process messages
-Schedule and execute Runnables
-Perform its actions on a different Thread that a Handler was created in
-Being reused as many times as needed

The source code is available at http://www.indragni.com/android/CountDownTimer.rar


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CountDownTimer Tutorial with Code in Android Studio