[forms-devel] Add IsAnimatedImage and IsPlaying to Image

[Jason Smith]

Is it perhaps better to place these properties on the ImageSource?

Also IsAnimatedImage is redundant, since the property is on an Image already, we can shorted to simple IsAnimated.

From: forms-devel [mailto:forms-devel-bounces at lists.dot.net] On Behalf Of sh min
Sent: Monday, August 15, 2016 9:17 PM
To: forms-devel at lists.dot.net
Subject: [forms-devel] Add IsAnimatedImage and IsPlaying to Image


Hello all,

I'd like to talk about adding a feature for playing animated image such as GIF files.
Since Animated images are used increasingly, many platforms already provide displaying or making animated image in a different way.

UWP - https://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.xaml.controls.image.aspx<https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fmsdn.microsoft.com%2fen-us%2flibrary%2fwindows%2fapps%2fwindows.ui.xaml.controls.image.aspx&data=01%7c01%7cjas%40microsoft.com%7cf0dc50a1747c4e501f9f08d3c58c3214%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=zIr0fsm5jjQYrcbw4Gx0qvYkaoCKpWeJrSyoWPuQ%2b8U%3d>
          https://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.xaml.media.imaging.bitmapimage.aspx<https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fmsdn.microsoft.com%2fen-us%2flibrary%2fwindows%2fapps%2fwindows.ui.xaml.media.imaging.bitmapimage.aspx&data=01%7c01%7cjas%40microsoft.com%7cf0dc50a1747c4e501f9f08d3c58c3214%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=BaYXBF5C%2bWHGvL7zumF5CyGrYm%2b6N56FOTrdoli%2bGH8%3d>
Aandroid - https://developer.android.com/reference/android/graphics/drawable/AnimationDrawable.html<https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fdeveloper.android.com%2freference%2fandroid%2fgraphics%2fdrawable%2fAnimationDrawable.html&data=01%7c01%7cjas%40microsoft.com%7cf0dc50a1747c4e501f9f08d3c58c3214%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=pmgqlY9hoLpGx9NEtC8aQKqBdhBiLXA1Yn8%2bnsTzm1s%3d>
iOS - https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIImageView_Class/<https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fdeveloper.apple.com%2flibrary%2fios%2fdocumentation%2fUIKit%2fReference%2fUIImageView_Class%2f&data=01%7c01%7cjas%40microsoft.com%7cf0dc50a1747c4e501f9f08d3c58c3214%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=xl9xQbcgL0bOhvjlh5R%2fLOIDf8GDboWAXxOT44tetH8%3d>

But unfortunately I couldn't find such APIs in Xamarin.Forms.
So, to be able to use animated image in app, my proposal is to add below properties to Image class like UWP.

1) IsAnmatedImage - Boolean value indicating whether the image is animated.

2) IsPlaying - Boolean value indicating whether the animation is playing. If this value is true the animation will start.

I think that it will reduce the time to play animated image for App developers.
What do you think about this?

Best Regards
Sunghyun Min
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