IOS UIButton Event __ios

From: http://blog.163.com/cz_jdton/blog/static/92732504201282543017312/
Uicontroleventtouchdown

Single Touch Press event: The user touches the screen, or when a new finger falls.

uicontroleventtouchdownrepeat

Multi-point Touch press event, point touch count is greater than 1: when the user presses the second to third or fourth finger.

Uicontroleventtouchdraginside

When a touch is dragged inside the control window.

Uicontroleventtouchdragoutside

When a touch is dragged outside the control window.

Uicontroleventtouchdragenter

When a touch is dragged from outside the control window to the interior.

Uicontroleventtouchdragexit

When a touch is dragged from inside the control window to the outside.

UIControlEventTouchUpInside

All touches lift events within the control.

Uicontroleventtouchupoutside

all the touch-lift events outside the control (the point-touch must start with the inside of the control to send a notification).

Uicontroleventtouchcancel

All touch cancellation events, that is, a touch is canceled because it is put on too many fingers, or locked or interrupted by a phone call.

Uicontroleventtouchchanged

Sends a notification when the value of the control has changed. Used for sliders, segmented controls, and other value-taking controls. You can configure when a slider control sends a notification, sends it when the slider is dropped, or sends it when it is dragged.

Uicontroleventeditingdidbegin

Sends a notification when editing begins in a text control.

Uicontroleventeditingchanged

Sends a notification when text in a text control is changed.

Uicontroleventeditingdidend

sends a notification when editing ends in a text control.

Uicontroleventeditingdidonexit

Sends a notification when a text control ends editing by pressing the ENTER key (or equivalent behavior).

Uicontroleventalltouchevents

Notifies all touch events.

Uicontroleventalleditingevents

Notifies all events about text editing.

Uicontroleventallevents

Notifies all events.

Instance:

UIButton *btn = [UIButton buttonwithtype:uibuttontypecustom];

Btn.frame = Rect_screen;

Btn.frame = CGRectMake (frame.size.width-20.0f-30.0f, frame.size.height-50.0f, 30.0f, 50.0f);

Btn.backgroundcolor = [Uicolor Bluecolor];

Uicontroleventtouchdraginside

Uicontroleventtouchdragoutside

[Btn addtarget:self Action: @selector (Draginside) forcontrolevents:uicontroleventtouchdraginside];

[Btn addtarget:self Action: @selector (Dragoutside) forcontrolevents:uicontroleventtouchdragoutside];

Dismissview

[Btn addtarget:self Action: @selector (Upinside) forcontrolevents:uicontroleventtouchupinside];

[Self addsubview:btn];

return self;

}

-(void) draginside

{

NSLog (@ "Draginside ...");

}

-(void) dragoutside

{

NSLog (@ "Dragoutside ...");

}

-(void) upinside

{

NSLog (@ "Upinside ...");

}

Long press Event

UIButton *abtn=[uibutton Buttonwithtype:uibuttontypecustom];

[Abtn Setframe:cgrectmake (40, 100, 60, 60)];

[Abtn setbackgroundimage:[uiimage imagenamed:@ "111.png"]forstate:uicontrolstatenormal];

button click event

[Abtn addtarget:self Action: @selector (Btnshort:) forcontrolevents:uicontroleventtouchupinside];

Button length by event

Uilongpressgesturerecognizer *longpress = [[Uilongpressgesturerecognizer alloc] Initwithtarget:selfaction: @selector (Btnlong:)];

Longpress.minimumpressduration = 0.8; Define the time that is pressed

[Abtn addgesturerecognizer:longpress];

-(void) Btnlong: (uilongpressgesturerecognizer*) gesturerecognizer{

if ([gesturerecognizer state] = = Uigesturerecognizerstatebegan) {

NSLog (@ "Long press event");

Uialertview *alert=[[uialertview alloc]initwithtitle:@ "message" message:@ OK to delete this mode. "delegate:selfcancelbuttontitle:@" Cancel "otherbuttontitles:@" delete ", nil];

[Alert show];

}

}