Description

"By default, the device profile for android_high (which is used by phones such as the galaxy s8 and s9) gives a scale factor of 1.0 resulting in 1280x720. When choosing a ~2:1 device such as the galaxy s8 or s9, the UMG designer gives you a 1280x720 preview, which is the wrong aspect ratio.

Based on the table explanation here https://docs.unrealengine.com/en-us/Platforms/Mobile/Performance, setting MobileContentScaleFactor to 0 results in the native resolution getting used for that profile. When I do this, the UMG designer displays at a resolution of 0x0 when selecting devices using that profile, making it impossible to work with."

Also tested in Main @ CL 4235929

Steps to Reproduce

1. Create a UMG Widget
2. Select Screen Size -> Phones -> Galaxy S8 or S9

Result: The designer preview displays a 1280x720 (16:9) preview
Expected: The designer preview displays a 18.5:9 aspect ratio preview. Ideally displaying at device's native resolution.

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Fixed
ComponentTools - UMG
Affects Versions4.20.1
Target Fix4.21
Fix Commit4275296
CreatedJul 30, 2018
ResolvedAug 10, 2018
UpdatedAug 13, 2018