Question

react native 中ios怎么使用toast

Answer 1

ios中没有类似于Androidtoast效果的提示,在提示用户的时候显得尤为不便,因此做了一个类似Toast的功能. UILabel *hintLabel = [[UILabel alloc] initWithFrame:CGRect(80,400,160,40)]; hintLabel.textAlignment = NSTextAlignmentCenter; hintLabel.backgroundColor = [UIColor lightGrayColor]; hintLabel.alpha = 0.0; hintLabel.text = @"提示字符..........."; [self.view addSubview:hintLabel]; //animateWithDuration可以控制label显示持续时间 [UIView animateWithDuration:1.0 animations:^{ hintLabel.alpha = 1.0; } completion:^(BOOL finished){ [hintLabel removeFromSuperview]; }];