How can I reset the time of a postDelayed runnable in onClick?

Question

I've got a listView that gets populated from a server. In the onClick of the ListItem, I display a button for a x number of seconds and I make it invisible again. How can I reset the time every time the onClick is called? Here is my listItem onClick:

private void displayInCallButton() {


    mButton.setEnabled(true);

    if (canDisplayInCallControlls) {
        canDisplayInCallControlls = false;

        fadeInAnimation(mButton);
        mButton.setEnabled(true);

        mFrontView.postDelayed(new Runnable() {
            public void run() {
                fadeOutAnimation(mButton);
                mButton.setEnabled(false);
                hasAnimationEnded = true;
                canDisplayInCallControlls = true;


            }
        }, 5000);

    }
}

Thank you in advance.

Answer 1

You have to remove the callbacks and set it once again with the new one with the reset time.

first, set the call back like

Runnable myRunnable = new Runnable() {
   @Override
   public void run() {
    fadeOutAnimation(mButton);
    mButton.setEnabled(false);
    hasAnimationEnded = true;
    canDisplayInCallControlls = true;
   }
};

then set it to mFrontView like,

mFrontView.postDelayed(myRunnable,5000)

If you want to reset, do it like

mFrontView.removeCallbacks(myRunnable);
mFrontView.postDelayed(myRunnable, 2000);

Answer 2

How can I reset the time every time the onClick is called?

There is no built-in mechanism to accomplish that.

You can, however, keep a reference to the Runnable you post, remove it and then repost it again to restart at the original delay.

The result would look somewhat like this in its most simple form:

Runnable mDelayedRunnable = new Runnable() {
    @Override public void run() {
            fadeOutAnimation(mButton);
            mButton.setEnabled(false);
            hasAnimationEnded = true;
            canDisplayInCallControlls = true;
        }
    };

private void displayInCallButton() {
    mButton.setEnabled(true);

    if (canDisplayInCallControlls) {
        canDisplayInCallControlls = false;

        fadeInAnimation(mButton);
        mButton.setEnabled(true);

        mFrontView.removeCallbacks(mDelayedRunnable);
        mFrontView.postDelayed(mDelayedRunnable, 5000);
    }
}

You can safely call removeCallbacks() with a Runnable that was never posted in the first place (or even null).

If you don't want to keep an explicit reference to the Runnable, you could also opt to tag the view with it. Just don't forget to clean up on i.e. orientation changes and the like.