How to fix a broken Unity UI Button, clicks not working

How to fix the common and rare ways Unity buttons stop working. Common ways first! We researched all the ways a Unity Button breaks - just in case you have a rare issue.

Whether the click area is messed up, the button won't respond to hovering, or clicks aren't registering we've got you covered in this beginner-friendly tutorial for how to fix Unity buttons when they're not working.

Many of the troubleshooting tips here also apply to other Unity UI components being non-responsive, like the UI slider, UI dropdown, UI Input Field, and UI Scroll View.

00:00 Intro & Simple Button Fixes (1-2)
00:16 Target Graphic Problems (3)
00:46 Overlapping Image Problems (4-5)
01:37 Performance Optimization
01:58 Button Interactable (6)
02:20 Raycaster, Input & Event System (7-12)
04:04 Button Interactive but no click events (13-14)
04:38 Cursor API (15)
05:07 Canvas hierarchy: parents & siblings (16)
05:27 Hierarchy navigation shortcut
05:52 Canvas component problems (17)
06:23 Canvas Group problems (18)
07:17 RectTransform hierarchy (19)
07:22 Padding Clickable Area (20)
08:20 Mask problems (21)
08:48 RectTransform settings (22-23)
10:02 Layout Groups (24)
10:12 Worldspace Camera problems (25)
10:30 Emergency Measures

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#unity #unityui #unitytutorial #button #bug