Ios touch screen event Guide

Ios touch screen event Guide

This article mainly summarizes two methods for implementing ios touch-screen events, which are simple and practical. For more information, see.

The Code is as follows:

// Add the range to identify the touch event in a function (initialization, etc.)

InfoView = [[UIView alloc] initWithFrame: CGRectMake (20,100,220,280)]; // if the range is reached, no touch is detected.

InfoView. backgroundColor = [UIColor blueColor];

InfoView. alpha = 0.6;

[Self. view addSubview: infoView];

/****************** Monitoring gesture control *****************/ // There are upper, lower, and lower sides, I only used the left and right, and I bet on it.

UISwipeGestureRecognizer * recognizer;

Recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget: self action: @ selector (handleSwipeFrom :)];

[Recognizer setDirection :( UISwipeGestureRecognizerDirectionRight)];

[InfoView addGestureRecognizer: recognizer];

// Recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget: self action: @ selector (handleSwipeFrom :)];

// [Recognizer setDirection :( UISwipeGestureRecognizerDirectionUp)];

// [Self. view addGestureRecognizer: recognizer];

// Recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget: self action: @ selector (handleSwipeFrom :)];

// [Recognizer setDirection :( UISwipeGestureRecognizerDirectionDown)];

// [Self. view addGestureRecognizer: recognizer];

Recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget: self action: @ selector (handleSwipeFrom :)];

[Recognizer setDirection :( uiswipegesturerecognizerdireleft left)];

[InfoView addGestureRecognizer: recognizer];

// Implementation function of the touch event

// Slide Event 1

-(Void) handleSwipeFrom :( UISwipeGestureRecognizer *) recognizer {

// If it slides to the left

If (recognizer. direction = UISwipeGestureRecognizerDirectionLeft ){

NSLog (@ "**************** Slide left ****************" );

}

// Slide to the right

If (recognizer. direction = UISwipeGestureRecognizerDirectionRight ){

NSLog (@ "**************** slide right ****************");

}

If (recognizer. direction = UISwipeGestureRecognizerDirectionDown ){

NSLog ****************");

}

If (recognizer. direction = UISwipeGestureRecognizerDirectionUp ){

NSLog (@ "***************** slide up ****************");

}

}

Method 2:

The Code is as follows:

GSEventRecord header;

GSHardwareKeyInfo key = {0, 0, 0, 1, {'A'}, 1, {'A'}, 0, 0, 0 };

Memset (& header, 0, sizeof (header ));

Header. type = kGSEventKeyDown;

Header. infoSize = sizeof (GSHardwareKeyInfo );

Header. timestamp = mach_absolute_time ();

Struct

{

GSEventRecord header1;

GSHardwareKeyInfo key1;

} Fuck = {header, key };

GSSendEvent (& fuck, GSGetPurpleApplicationPort ());

GSEventRecord header;

GSHardwareKeyInfo key = {0, 0, 0, 1, {'A'}, 1, {'A'}, 0, 0, 0 };

Memset (& header, 0, sizeof (header ));

Header. type = kGSEventKeyDown;

Header. infoSize = sizeof (GSHardwareKeyInfo );

Header. timestamp = mach_absolute_time ();

Struct

{

GSEventRecord header1;

GSHardwareKeyInfo key1;

} Fuck = {header, key };

GSSendEvent (& fuck, GSGetPurpleApplicationPort ());

The above is all the content of this article. I hope you will like it.