End animation event android

Question

I have a fadeout animation in a view (which is inside a fragment), and everytime the animation happens, after it finishes the view redraws itself again. I found a work around doing view.SetVisibility(View.GONE) . But it doesn't wait for the animation to finish. I would like to execute this setVisibility code only after the animation has finished. What is the best way to do that?

Post your code how you are showing the animation.... – Lalit Poptani Sep 30 '11 at 06:08 — Lalit Poptani, Sep 30 '11 at 06:08

score 189 · Accepted Answer · answered Sep 30 '11 at 06:09

189

You can add Animation listener to your animation object like

anim.setAnimationListener(new Animation.AnimationListener(){
    @Override
    public void onAnimationStart(Animation arg0) {
    }           
    @Override
    public void onAnimationRepeat(Animation arg0) {
    }           
    @Override
    public void onAnimationEnd(Animation arg0) {
    }
});

answered Sep 30 '11 at 06:09

blessanm86

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If you want to prevent the fadeout animation to start again while the animation is in progress, use `if (!anim.hasStarted() || anim.hasEnded())` to detect if the animation is still running. – theczechsensation Dec 28 '14 at 06:29

score 48 · Answer 2 · edited Dec 01 '20 at 03:13

48

Functionally the same as the accepted answer but in a much more concise way:

// Add/Remove any animation parameter
theView.animate()
        .alpha(0)
        .setDuration(2000)
        .withEndAction(new Runnable() {
            @Override
            public void run() {
                theView.setVisibility(View.GONE);
            }
        });

Enjoy :)

edited Dec 01 '20 at 03:13

Son Truong

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answered Sep 29 '16 at 08:35

Antzi

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Clear and one-liner. Top answer! Can be simplyfied with the use of lambda `.withEndAction(() -> theView.setVisibility(View.GONE));` – theBugger Oct 04 '16 at 11:44
2

Keep in mind that this is API level 16 (4.1) and above. – Tommie Dec 28 '16 at 08:29
Amazing solution, my friend. Thank you! – Vlad Ivchenko Mar 17 '18 at 18:27
Important info:- The action is only run if the animation ends normally, if the ViewPropertyAnimator is canceled during that animation, the runnable will not run. – Sarthak_ssg5 Jun 07 '19 at 07:51
1

Works like a charm, also when using navigation component in the runnable. (Animation listener alwys crashed when I was navigating with the nav component.) – Luigi_Papardelle Jan 21 '20 at 15:28
This is the answer I have been looking for awhile! – coolcool1994 Aug 04 '20 at 03:34
Use this way. Much efficient:) – Thalis Mar 10 '22 at 18:51

score 10 · Answer 3 · answered Jun 03 '13 at 05:32

Simply take your animation object and add animation listener to it. Here is the example code :

rotateAnimation.setAnimationListener(new AnimationListener() {

            @Override
            public void onAnimationStart(Animation animation) {
                // TODO Auto-generated method stub

            }

            @Override
            public void onAnimationRepeat(Animation animation) {
                // TODO Auto-generated method stub

            }

            @Override
            public void onAnimationEnd(Animation animation) {
                // TODO Auto-generated method stub

**// WRITE HERE WHATEVER YOU WANT ON THE COMPLETION OF THE ANIMATION**


            }
        });

score 9 · Answer 4 · answered Sep 30 '11 at 09:00

9

You can also achieve this using Animation.setFillAfter

answered Sep 30 '11 at 09:00

Pavan

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score 5 · Answer 5 · answered Mar 27 '18 at 13:00

5

Example for Kotlin

var fadeOutImage = findViewById<ImageView>(R.id.fade_out_Image)
    val fadeOutAnimation = R.anim.fade_out_animation
    val animation = AnimationUtils.loadAnimation(this, fadeOutAnimation)
    fadeOutImage.startAnimation(animation)

    animation.setAnimationListener(object : Animation.AnimationListener {
        override fun onAnimationStart(p0: Animation?) {
//                not implemented
        }

        override fun onAnimationRepeat(p0: Animation?) {
//                not implemented
        }

        override fun onAnimationEnd(p0: Animation?) {
            fadeOutImage.visibility = View.INVISIBLE
        }
    })

answered Mar 27 '18 at 13:00

richc

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you might save some lines using `fade_out_Image.animate().alpha(0f).setDuration(100L).withEndAction {fade_out_Image.visibility = View.GONE}.start()` – longi Jul 18 '19 at 10:28
Comment : it is mandatory use fadeOutImage.startAnimation(animation) and not fadeOutImage = animation – Dimitri Leurs May 12 '22 at 10:18

End animation event android

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