Template.x.example

#import "../YTVideoOverlay/Header.h"
#import "../YTVideoOverlay/Init.x"

#define TweakKey "TweakKey"

@interface YTInlinePlayerBarContainerView (Tweak)
- (void)didPressTweak:(id)arg;
@end

@interface YTMainAppControlsOverlayView (Tweak)
- (void)didPressTweak:(id)arg;
@end

%group Top

%hook YTMainAppControlsOverlayView

// Remove this method if your button is a text button
- (UIImage *)buttonImage:(NSString *)tweakId {
    return [tweakId isEqualToString:TweakKey] ? <Your Tweak Button Image> : %orig;
}

%new(v@:@)
- (void)didPressTweak:(id)arg {
    // Do stuff
    [self.overlayButtons[TweakKey] setImage:<Another Tweak Button Image> forState:0];
}

%end

%end

%group Bottom

%hook YTInlinePlayerBarContainerView

// Remove this method if your button is a text button
- (UIImage *)buttonImage:(NSString *)tweakId {
    return [tweakId isEqualToString:TweakKey] ? <Your Tweak Button Image> : %orig;
}

%new(v@:@)
- (void)didPressTweak:(id)arg {
    // Do stuff
    [self.overlayButtons[TweakKey] setImage:<Another Tweak Button Image> forState:0];
}

%end

%end

%ctor {
    initYTVideoOverlay(TweakKey, @{
        AccessibilityLabelKey: @"Tweak",
        SelectorKey: @"didPressTweak:",
        // AsTextKey: @YES, // If yes, the button is rendered as a text button
        // ToggleKey: @YES, // If yes, the toggle setting is hidden from YTVideoOverlay settings
        // UpdateImageOnVisibleKey: @YES, // If yes, the button image is assigned again when the button is visible
    });
    %init(Top);
    %init(Bottom);
}