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Question by AngelClannad · Apr 20, 2019 at 02:33 PM · sliderdisplay

UI Slider didn't work on the second display

I build a project with Unity version 2018.3.5 f 1, which needs two displays,one for the scene ,and the other for UI .I indeed set two cameras with different target display(Main Camera:display 1 and UI camera: display 2) and different Culling Mask (Main Camera : everything except UI and UI camera :only UI),and set the canvas‘s Target Display with display 2. I use the method Display.displays[1].Activate() in the script. it worked well in Unity Editor,I can drag the slider and the value changed.But when I build the project and play,all sliders (which show on the second display) went to their max value when I hit them and can not be changed any more. Interestingly ,when I made a change ,UI camera and Canvas's Target Display became display 1 and Main Camera display 2,everything worked well. I really don't know why.I used the default player settings Is there something wrong with my settings or resolution?

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