- (void)viewDidLoad {
[super viewDidLoad];
// 移除按钮不能使用,开始默认
self.removeBtn.enabled = NO;
self.alertView.textAlignment = UITextAlignmentCenter;
self.alertView.alpha = 0.0; // 完全透明
self.alertView.backgroundColor = [UIColor colorWithRed:1 green:1 blue:0 alpha:0.5];
}
/** 显示指示器 方法封装 */
- (void)showHud:(NSString *)text
{
self.alertView.text = text;
// 慢慢出现(出现动画持续1秒)
[UIView animateWithDuration:1.0 animations:^{
self.alertView.alpha = 1.0;
} completion:^(BOOL finished) {
// 1.5秒后,再慢慢消失(消失动画持续1秒)
[UIView animateWithDuration:1.0 delay:1.5 options:kNilOptions animations:^{
self.alertView.alpha = 0.0;
} completion:nil];
}];
}