FViewShaker 是一个简单的工具用来执行 。
使用方法：
01 | AFViewShaker * viewShaker = [[AFViewShaker alloc] initWithView:self.formView]; |
03 | NSArray * allFields = @[self.emailField, self.passwordField]; |
04 | AFViewShaker * viewShaker = [[AFViewShaker alloc] initWithViewsArray:allFields]; |
06 | [self.viewShaker shake]; |
08 | [self.viewShaker shakeWithDuration:0.6 completion:^{ |
09 | NSLog(@"Hello World!"); |
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