fix infinite adding of MPVolumeView to the wrapper

ioscreator / ioscreator

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Open w-i-n-s opened 6 years ago

w-i-n-s commented 6 years ago

Before my edit: po wrapperView.subviews ▿ 3 elements

0 : <MPVolumeView: 0x106e00370; frame = (0 0; 300 20); opaque = NO; layer = <CALayer: 0x281acc0a0>>
1 : <MPVolumeView: 0x106d09e40; frame = (0 0; 300 20); opaque = NO; layer = <CALayer: 0x281ae5960>>
2 : <MPVolumeView: 0x106b066f0; frame = (0 0; 300 20); opaque = NO; layer = <CALayer: 0x281aca880>>