How do I configure a Xamarin.Forms app to fill out phones with newer aspect ratios like the Samsung Galaxy S8?
Currently my Xamarin.Forms app looks like the one on the left below. What configuration do I need to change?
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Looks like a VerticalOptions FillAndExpand on the outer container, if using Xamarin.Forms. Maybe post a bit of related code or markup. – Mark Larter May 07 '17 at 13:13
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1It's a vanilla Xamarin Forms app, the screenshot above is just an example I got off the web. – Null Reference May 07 '17 at 13:22
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Same issue here. It seems to be an issue with Xamarin itself. – Taylor Buchanan Jun 05 '17 at 17:36
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Initially, I thought this might have been an issue with Xamarin. However, after further research I found it to be a new configuration for Android apps in general to support the 18:9 aspect ratio.
Here is the Android Developers Blog post describing the updates:
In order to take full advantage of the larger display formats on these devices, you should consider increasing your app's maximum supported aspect ratio. To do so, simply declare an
android.max_aspect<meta-data>element in the app's<application>element:<meta-data android:name="android.max_aspect" android:value="2.1" />
This resolved the issue for me. Related answer here.
Taylor Buchanan
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I'm confused, I've created an emulator AVD with 18:9 aspect ratio to try and test the issue but my app seems to expand to the full length even before I've added the android.max_aspect. Does this apply to emulators? Is there a way I can test to see the problem first before seeing that `android.max_aspect` fixes the problem? – Thibault D. Jul 28 '17 at 13:40
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@ThibaultD. I'm not sure. I own a Samsung Galaxy S4 and S8 so I am able to test the scenario on physical devices. – Taylor Buchanan Jul 28 '17 at 15:34