//可以不被電池欄擋住

+ (UILabel *)alertLabel

{

?? ?

? ? UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 20.f, 320.f, 0.f)];

? ? label.backgroundColor = [UIColor colorWithRed:240.f/255.f green:224.f/255.f blue:149.f/255.f alpha:1.0];

? ? label.textAlignment = NSTextAlignmentCenter;

? ? label.font = [UIFont systemFontOfSize:14];

? ? [[self alertWindow] addSubview:label];

? ? return label;

}

?

+ (void)alertHeadMessage:(NSString *)message

{

? ? CGFloat alertHeight = 30.f;

? ? __weak UIWindow *window = [self alertWindow];

?

? ? __weak UILabel *label = [self alertLabel];

? ? label.text = message;

?? ?

? ? label.frame = CGRectMake(0, -30.f, window.frame.size.width, alertHeight);

? ? [UIView animateWithDuration:0.5f animations:^{

? ? ? ? label.frame = CGRectMake(0, 0.f, window.frame.size.width, alertHeight);

? ? } completion:^(BOOL finished) {

? ? ? ? [UIView animateWithDuration:2.5f animations:^{

? ? ? ? ? ? label.frame = CGRectMake(0, 0.f, window.frame.size.width, alertHeight + 2);

? ? ? ? } completion:^(BOOL finished) {

? ? ? ? ? ? [UIView animateWithDuration:0.4 animations:^{

? ? ? ? ? ? ? ? label.frame = CGRectMake(0, -30.f, window.frame.size.width, alertHeight);

? ? ? ? ? ? } completion:^(BOOL finished) {

? ? ? ? ? ? ? ? [label removeFromSuperview];

? ? ? ? ? ? }];

? ? ? ? }];

? ? }];

? ? [window makeKeyAndVisible];

}

?

轉(zhuǎn)載于:https://www.cnblogs.com/ldc529/p/3874842.html

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