No camera / images / elements on Android build

Hi, everyone!

Before anything, I have looked for the solution for this problem but I did not find it.

I builded a simple project: an image and a button. When I build on windows platform everything (now) works fine. But when I build on Android, after instaling the APK on Android, the screen just show me a blue screen; no image, no button.

What do I am making wrong?

My settings: Unity 2018.1.1f1 Java jdk1.8.0_181 SDK 25.2.2 API Compatibility level .Net 2.0 Runtime version .Net 3.5 equivalent

Here some link that I read: https://answers.unity.com/questions/921320/canvas-elements-not-displaying-when-build-run-appl.htmlhttps://stackoverflow.com/questions/41096570/display-1-no-cameras-renderinghttps://issuetracker.unity3d.com/issues/game-view-no-cameras-rendering-stays-on-play-even-if-the-scene-is-using-canvas-rendering-and-doesnt-need-a-camerahttps://gamedev.stackexchange.com/questions/117030/objects-rendering-only-on-editor-but-not-on-build-they-get-invisible

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I have found the solution: simply set the Canvas Scaler (UI Scale Mode) for Scale with screen size.