Touchandguest Touch Events and gestures

//
Nextviewcontroller.m
#import "NextViewController.h"
#import "My.h"
@interface Nextviewcontroller ()

@end

@implementation Nextviewcontroller
-(void) Viewdidload {

[Super Viewdidload];

[self createview];

}




#pragma Mark------------------------CreateView
-(void) CreateView
{
Self.navigationItem.title [email protected] "Gestur";

Uiimageview *vi =[[uiimageview alloc] init];

Vi.tag = 100;

Vi.frame = CGRectMake (100, 100, 120, 120);

Vi.image = [UIImage imagenamed:@ "a"];

[Self.view Addsubview:vi];

vi.userinteractionenabled = YES;

#pragma mark------------------------Click Gestures
One view can attach multiple gestures, one gesture can only be attached to one view
Click Gestures
UITapGestureRecognizer *tap =[[uitapgesturerecognizer alloc] initwithtarget:self action: @selector (ONTAP:)];

The number of clicks is 1 by default
tap.numberoftapsrequired = 1;

Need a few fingers click Default is 1
tap.numberoftouchesrequired = 1;

Attach to view
[VI Addgesturerecognizer:tap];

#pragma mark------------------------Double-click Gestures
Double-click Gestures
UITapGestureRecognizer *doubletap=[[uitapgesturerecognizer Alloc]
Initwithtarget:self Action: @selector (ondouble:)];

doubletap.numberoftapsrequired = 2;

[VI Addgesturerecognizer:doubletap];

//Click to recognize gestures after double-tap gesture recognition failed
[Tap Requiregesturerecognizertofail:doubletap];

#pragma mark------------------------Long press the gesture
Uilongpressgesturerecognizer *longpress = [[Uilongpressgesturerecognizer alloc] initwithtarget:self action: @selector (onpress:)];

Longpress.minimumpressduration = 1;

[VI addgesturerecognizer:longpress];

#pragma mark------------------------drag gesture
Drag gestures Pan
Uipangesturerecognizer *pan = [[Uipangesturerecognizer alloc] initwithtarget:self action: @selector (Onpan:)];

[VI Addgesturerecognizer:pan];

#pragma mark------------------------pinch gesture
Pinch gesture
Uipinchgesturerecognizer *pinch = [[Uipinchgesturerecognizer alloc]
Initwithtarget:self Action: @selector (onpinch:)];
[VI Addgesturerecognizer:pinch];

Compliance with Uigesturerecognizerdelegate Protocol
Pinch.delegate = self;

#pragma mark------------------------rotation gesture
Rotate gestures
Uirotationgesturerecognizer *rotation = [[Uirotationgesturerecognizer alloc] initwithtarget:self action: @selector ( Onrotation:)];

[VI addgesturerecognizer:rotation];

Rotation.delegate = self;

Swipe gesture #pragma mark------------------------
//*********************************************************************
Uiswipegesturerecognizer *swipedown = [[Uiswipegesturerecognizer alloc] initwithtarget:self action: @selector (OnSwipe :)];

Set the direction of the slide
Swipedown.direction = Uiswipegesturerecognizerdirectiondown;

[VI Addgesturerecognizer:swipedown];

//*********************************************************************

Uiswipegesturerecognizer *swipeleft = [[Uiswipegesturerecognizer alloc] initwithtarget:self action: @selector (OnSwipe :)];

Swipeleft.direction = Uiswipegesturerecognizerdirectionleft;

[VI Addgesturerecognizer:swipeleft];

//*********************************************************************

Uiswipegesturerecognizer *swiperight = [[Uiswipegesturerecognizer alloc] initwithtarget:self action: @selector ( Onswipe:)];

Swiperight.direction = Uiswipegesturerecognizerdirectionright;

[VI Addgesturerecognizer:swiperight];

//*********************************************************************

Uiswipegesturerecognizer *swipeup = [[Uiswipegesturerecognizer alloc] initwithtarget:self action: @selector (onSwipe:) ];

Swipeup.direction = Uiswipegesturerecognizerdirectionup;

[VI Addgesturerecognizer:swipeup];


}


#pragma mark------------------------Double-click Gestures
-(void) Ondouble: (UITapGestureRecognizer *) ondouble
{
NSLog (@ "Picture is double-clicked ...");
}

#pragma mark------------------------Click
-(void) OnTap: (UITapGestureRecognizer *) tap
{
NSLog (@ "Picture clicked ...");

[self creatuimenucontroller:tap];
}

#pragma mark------------------------Uimenucontroller
-(void) Creatuimenucontroller: (UITapGestureRecognizer *) tap
{

Menu is a singletonnsuserdefaults uiapplication
UimenucontrolleR *menu = [Uimenucontroller Sharedmenucontroller];

UIMenuItem * item1 = [[UIMenuItem alloc] initwithtitle:@ "copy" Action: @selector (oncopy)];

UIMenuItem * item2 = [[UIMenuItem alloc] initwithtitle:@ "Delete" Action: @selector (OnDelete)];

Menu.menuitems = @[item1,item2];

Cgpoint point = [Tap LocationInView:self.view];

NSLog (@ "point.x=%f", point.x);
NSLog (@ "point.y=%f", POINT.Y);

Set coordinates
[Menu Settargetrect:cgrectmake (Point.x, Point.y, () InView:self.view];

Show Menu
[Menu Setmenuvisible:yes Animated:yes];

[Self becomefirstresponder];
}

-(void) oncopy
{

}

-(void) OnDelete
{
Uiimageview *IV = (ID) [Self.view viewwithtag:100];
[IV Removefromsuperview];
}

-(BOOL) Canbecomefirstresponder
{
return YES;
}
#pragma mark------------------------long pressure
-(void) Onpress: (UITapGestureRecognizer *) tap
{
NSLog (@ "Picture is long pressed");
}

#pragma mark------------------------drag
-(void) Onpan: (UITapGestureRecognizer *) tap
{
NSLog (@ "Picture is dragged ...");

Uiimageview *IV = (ID) [Self.view viewwithtag:100];

Find the dragged position
Cgpoint point = [Tap LocationInView:self.view];

if (point.x>=self.view.bounds.size.width-10)
Point.x = self.view.bounds.size.width-10;

Iv.frame = CGRectMake (Point.x, Point.y, Iv.frame.size.width, iv.frame.size.height);

NSLog (@ "%f,%f", POINT.X,POINT.Y);

Iv.center = point;
}

#pragma mark------------------------pinch gesture
-(void) Onpinch: (Uipinchgesturerecognizer *) pinch
{
NSLog (@ "pinch gesture");

Zoom in and Zoom out
Uiimageview *VI = (ID) [Self.view viewwithtag:100];

Vi.transform = Cgaffinetransformscale (Vi.transform, Pinch.scale, Pinch.scale); The scaling y of X is relative to the scale of the

[Pinch setscale:1]; Scale 1 is equivalent to not scaling
}

#pragma mark------------------------rotate
-(void) Onrotation: (Uirotationgesturerecognizer *) rot
{
NSLog (@ "rotation gesture");

Uiimageview *VI = (ID) [Self.view viewwithtag:100];

Vi.transform = Cgaffinetransformrotate (Vi.transform, rot.rotation);

[Rot setrotation:0];
}

//pan The swipe function is not available when dragging events
#pragma Mark------------------------Swipe
-(void) Onswipe: (Uiswipegesturerecognizer *) swipe
{

Uiimageview *VI = (ID) [Self.view viewwithtag:100];

Cgpoint point = [swipe locationInView:self.view];

if (swipe.direction = = Uiswipegesturerecognizerdirectiondown)
{
static int i = 0;
NSLog (@ "swipe gesture swip down =%d Times", ++i);

Vi.frame = CGRectMake (point.y+2, Vi.frame.size.width, vi.frame.size.height);
}
else if (swipe.direction = = Uiswipegesturerecognizerdirectionleft)
{
static int i = 0;
NSLog (@ "swipe gesture swip left =%d times", ++i);
}
else if (swipe.direction = = uiswipegesturerecognizerdirectionright)
{
static int i = 0;
NSLog (@ "swipe gesture swip right =%d times", ++i);
}
else if (swipe.direction = = Uiswipegesturerecognizerdirectionup)
{
static int i = 0;

NSLog (@ "swipe gesture swip up =%d Times", ++i);//???????
NSLog (@ "point.y=%f", POINT.Y);
Vi.frame = CGRectMake (point.y-200, Vi.frame.size.width, vi.frame.size.height);

NSLog (@ "point.y=%f", POINT.Y);
}


}

#pragma mark------------------------implement a proxy protocol similar to the method//<UIGestureRecognizerDelegate>
-(BOOL) Gesturerecognizer: (Uigesturerecognizer *) Gesturerecognizer Shouldrecognizesimultaneouslywithgesturerecognizer: (Uigesturerecognizer *) Othergesturerecognizer
{

Allows similar gestures to accept events if the method returns Yes to allow similar gesture recognition events
return YES;
}
@end

Touchandguest Touch Events and gestures