image
#define SCREEN_WIDTH ([[UIScreen mainScreen] bounds].size.width)
#define SCREEN_HEIGHT ([[UIScreen mainScreen] bounds].size.height)
@property (nonatomic ,strong) UIView *deliverView; //底部View
@property (nonatomic ,strong) UIView *BGView; //遮罩
- (void)appearClick {
// ------全屏遮罩
self.BGView = [[UIView alloc] init];
self.BGView.frame = [[UIScreen mainScreen] bounds];
self.BGView.tag = 100;
self.BGView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.0];
self.BGView.opaque = NO;
//--UIWindow的优先级最高，Window包含了所有视图，在这之上添加视图，可以保证添加在最上面
UIWindow *appWindow = [[UIApplication sharedApplication] keyWindow];
[appWindow addSubview:self.BGView];
// ------给全屏遮罩添加的点击事件
UITapGestureRecognizer *gesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(exitClick)];
gesture.numberOfTapsRequired = 1;
gesture.cancelsTouchesInView = NO;
[self.BGView addGestureRecognizer:gesture];
[UIView animateWithDuration:0.3 animations:^{
self.BGView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.2];
}];
// ------底部弹出的View
self.deliverView = [[UIView alloc] init];
self.deliverView.frame = CGRectMake(0, SCREEN_WIDTH, SCREEN_WIDTH, SCREEN_WIDTH);
self.deliverView.backgroundColor = [UIColor whiteColor];
[appWindow addSubview:self.deliverView];
// ------View出现动画
self.deliverView.transform = CGAffineTransformMakeTranslation(0.01, SCREEN_HEIGHT);
[UIView animateWithDuration:0.3 animations:^{
self.deliverView.transform = CGAffineTransformMakeTranslation(0.01, 0.01);
}];
}
/**
* 功能： View退出
*/
- (void)exitClick {
NSLog(@"====");
[UIView animateWithDuration:0.3 animations:^{
self.deliverView.transform = CGAffineTransformMakeTranslation(0.01, SCREEN_HEIGHT);
self.deliverView.alpha = 0.2;
self.BGView.alpha = 0;
} completion:^(BOOL finished) {
[self.BGView removeFromSuperview];
[self.deliverView removeFromSuperview];
}];
}