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Autoplay video in mobile device

Posted on 2016-11-04
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Last Modified: 2016-11-07
Is there a hack to auto play mp4 video in mobile device.  It seems as if this functionality is turned off in mobile devices but I am looking for a script/hack to over rife it.
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Question by:rgranlund
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by:leakim971
ID: 41874973
you mean, people open a web page and you play the mp4 on their mobile phone right ?
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Expert Comment

by:Marco Gasi
ID: 41876019
Unfortunately, many browsers in mobiles have disabled autoplay function: play() method can only be iniitiated by user gesture.
What you can do is to add an event listener to some event. For instance I attached it to window touchstart using MediaElement.js:
		<script>
			$(document).ready(function () {
				var player = new MediaElementPlayer('#ID-OF-AUDIO-OR-VIDEO-TAG');
				player.load();
				window.addEventListener('touchstart', function audioStart() {
					player.play();
					this.removeEventListener('touchstart', audioStart);
				});
			});
		</script>

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Marco Gasi earned 2000 total points
ID: 41876026
But I've just read in my console this message:
Performing operations that require explicit user interaction on touchstart events is deprecated and will be removed in M54, around October 2016. See https://www.chromestatus.com/features/5649871251963904 for more details.
So, it looks like Google doesn't want allow us to get play() working ecept the user don't explicitely tap on play button.
You can, if you want to increase the probability the audio/video start, using something like this:
			$(document).ready(function () {
				var player = new MediaElementPlayer('#player2');
				var playerPlaying = false;
				player.load();
				$('body').on('click', function () {
					if (playerPlaying) {
						player.pause();
						playerPlaying = false;
					} else {
						player.play();
						playerPlaying = true;
					}
				});
				window.addEventListener('touchstart', function audioStart() {
					player.play();
					this.removeEventListener('touchstart', audioStart);
					playerPlaying = true;
				});
			});
		</script>

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This ensure that if user taps everywhere, the media starts playing. In addition, touchstart and body click will work together, at least until Chrome wont remove touchstart ability to trigger events whih require user gesture.
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