Slide UILabel Onto View Controller - ios

Question

I'm trying to move a UILabel from a starting position of off the top of my UIViewController in a smooth slide type animation so that it slides down from the top when the view loads and then stops at a y position for about 10 seconds. After 10 seconds I want to slide back off the view again.
-(void) animateInstructionLabel
{
float newX = 50.0f;
float newY = 100.0f;
[UIView transitionWithView:self.lblInstruction
duration:10.0f
options:UIViewAnimationCurveEaseInOut
animations:^(void) {
lblInstruction.center = CGPointMake(newX, newY);
}
completion:^(BOOL finished) {
// Do nothing
}];
}
But I don't know how to do the 10 second delay and then move back within the method above. The end result is that I want this to be a label that appears like a notification and then moves off screen again.
Could someone hep me put these pieces described above together?
EDIT
I am adding this based on answer below:
-(void) animateInstructionLabel
{
float newX = lblInstruction.frame.origin.x;
float newY = 20.0f;
lblInstruction.center = CGPointMake(lblInstruction.frame.origin.x, -20.0f);
lblInstruction.bounds = CGRectMake(lblInstruction.frame.origin.x, -20.0f, 650.0f, 40.0f);
[UIView animateWithDuration:3.0f
delay:0
options:UIViewAnimationCurveEaseInOut
animations:^(void) {
lblInstruction.center = CGPointMake(newX, newY);
}
completion:^(BOOL finished) {
[UIView animateWithDuration:5.0f
delay:5.0
options:UIViewAnimationCurveEaseInOut
animations:^(void) {
lblInstruction.center = CGPointMake(newX, -20);
}
completion:^(BOOL finished) {
// Do nothing
}
];
}
];
}
But even though I am setting the label.center off the screen before the animation starts I am seeing that it moves from top left corner of the viewcontroller to the center of the viewcontroller. It is not keeping the x position that it should be set to before the animation begins.

Answer 1

Try adding this after your animation block (oldX,oldY are the old coordinates, before animating the label in):
double delayInSeconds = 10.0;
dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC));
dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
[UIView transitionWithView:self.lblInstruction
duration:10.0f
options:UIViewAnimationCurveEaseInOut
animations:^(void) {
lblInstruction.center = CGPointMake(oldX, oldY);
}
completion:^(BOOL finished) {
// Do nothing
}];
});

Answer 2

Something like this should work:
-(void) animateInstructionLabel {
float newX = 50.0f;
float newY = 100.0f;
labelInstruction.center = CGPointMake(newX, -20); // start off screen
[UIView animateWithDuration:10.0f
delay:0
options:UIViewAnimationCurveEaseInOut
animations:^(void) {
lblInstruction.center = CGPointMake(newX, newY);
}
completion:^(BOOL finished) {
[UIView animateWithDuration:10.0f
delay:10.0
options:UIViewAnimationCurveEaseInOut
animations:^(void) {
lblInstruction.center = CGPointMake(newX, -20);
}
completion:^(BOOL finished) {
// Do nothing
}
];
}
];
}

Answer 3

Here is what worked in case it helps somebody else. I had to use .frame instead of .center to set the initial position and then the subsequent animation back to that position.
-(void) animateInstructionLabel
{
lblInstruction.frame = CGRectMake(lblInstruction.frame.origin.x, -40.0f, 650.0f, 40.0f);
[self.view addSubview:lblInstruction];
lblInstruction.hidden = NO;
float newX = lblInstruction.frame.origin.x;
float newY = 20.0f;
[UIView animateWithDuration:3.0f
delay:0
options:UIViewAnimationCurveEaseInOut
animations:^(void) {
lblInstruction.center = CGPointMake(newX, newY);
}
completion:^(BOOL finished) {
[UIView animateWithDuration:3.0f
delay:5.0
options:UIViewAnimationCurveEaseInOut
animations:^(void) {
lblInstruction.frame = CGRectMake(lblInstruction.frame.origin.x, -40.0f, 650.0f, 40.0f);
}
completion:^(BOOL finished) {
lblInstruction.hidden = YES;
}
];
}
];
}
This smoothly makes the label slide down from off the view, stop for 5 seconds and then smoothly moves it back vertically off the view.
Thanks for the previous answers which lead me to the above final solution.