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| - (void)rotateLabelUp { | |
| [UIViewanimateWithDuration:0.5 animations:^{ | |
| _label.transform = CGAffineTransformMakeRotation(0); | |
| } completion:^(BOOL finished){ | |
| [selfrotateLabelDown]; | |
| }]; | |
| } | |
| - (void)rotateLabelDown { | |
| [UIViewanimateWithDuration:0.5 animations:^{ | |
| _label.transform = CGAffineTransformMakeRotation(M_PI); | |
| } completion:^(BOOL finished){ | |
| [selfrotateLabelUp]; | |
| }]; | |
| } |
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