cancelling a handler postdelayed process

Question

I am using handler postDelayed   to create a waiting period before the next stage of my app takes place  During the wait period I am displaying a dialog with progress bar and cancel button   My problem is I can t find a way to cancel the postDelayed task before the time elapses

User · Answer

Another way is to handle the Runnable itself   Runnable r   new Runnable       public void run             if  booleanCancelMember    false                  do what you need

User · Answer

Here is a class providing a cancel method for a delayed action  public class DelayedAction    private Handler  handler  private Runnable  runnable          Constructor     param runnable The runnable     param delay The delay  in milli sec  to wait before running the runnable     public DelayedAction Runnable runnable  long delay         handler   new Handler Looper getMainLooper          runnable   runnable       handler postDelayed  runnable  delay             Cancel a runnable     public void cancel         if    handler    null     runnable    null             return             handler removeCallbacks  runnable

User · Answer

I do this to post a delayed runnable   myHandler postDelayed myRunnable  SPLASH DISPLAY LENGTH      And this to remove it  myHandler removeCallbacks myRunnable

User · Answer

It worked for me when I called CancelCallBacks this  inside the post delayed runnable by handing it via a boolean  Runnable runnable   new Runnable         Override     public void run             Log e  HANDLER    run  Outside Runnable            if  IsRecording                Log e  HANDLER    run  Runnable                handler postDelayed this  2000            else              handler removeCallbacks this

User · Answer

In case you do have multiple inner anonymous runnables passed to same handler  and you want to cancel all at same event use  handler removeCallbacksAndMessages null       As per documentation        Remove any pending posts of callbacks and sent messages whose obj is   token  If token is null  all callbacks and messages will be removed

User · Answer

Hope this gist help https   gist github com imammubin a587192982ff8db221da14d094df6fb4  MainActivity as Screen Launcher with handler  amp  runnable function  the Runnable run to login page or feed page with base preference login user with firebase

[android] cancelling a handler.postdelayed process

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