The evolution of touch screen devices has been very rapid along the recent years. One of them is the gesture recognition. The gesture recognition technology is able to recognize many type of gestures made by a single finger or even a multi-finger gesture. These gestures can be used to perform a wide variety of functions.The good news is that the same gesture can be used to perform a different function in different applications. For example a pinch gesture can be used in a music player to increase or decrease the volume of the sound track and the same gesture can be used in an image processor to zoom in the image or zoom out of the image.
A few of the most popular and most widely used features are as follows:
Pan gesture (commonly known as the
Pinch gesture (commonly used to zoom
in or zoom out of the image).
Rotation gesture (commonly used in
image processors to rotate an image
at an angle).
Tap gesture (commonly used to select
an item and display the available
All of the above mentioned gestures can be implemented and used by adding the respective gestures in the .Xib file.
Add an -(IBAction) function in the .h file of the ViewController and Connect the functions to the gesture in the .Xib file.