ios - UIButton with hold down action and release action -


i want create uibutton can held down, when held down calls "hold down" action once. when released, calls "hold release" action.

this code isn't working correctly because touch can move inside button , events aren't triggered in correct order

[button handlecontrolevent:uicontroleventtouchdown withblock:^{         [self performmomentaryaction:pxactiontypetouchdown];     }]; [button handlecontrolevent:uicontroleventtouchupinside withblock:^{         [self performmomentaryaction:pxactiontypetouchup];     }];

handle control events based on uibutton+block implementation

try this

  uibutton *abutton = [uibutton buttonwithtype:uibuttontyperoundedrect];   abutton.frame = cgrectmake(xvalue, yvalue, 45, 45);   [abutton addtarget:self action:@selector(holddown) forcontrolevents:uicontroleventtouchdown];   [abutton addtarget:self action:@selector(holdrelease) forcontrolevents:uicontroleventtouchupinside];    - (void)holddown   {      nslog(@"hold down");   }    - (void)holdrelease   {       nslog(@"hold release");    }

for nspratik's case: u can use event uicontroleventtouchupoutside if user long press button , after time, instead of releasing finger, user move his/her finger out of bounds of button. add 1 more event.

  uibutton *abutton = [uibutton buttonwithtype:uibuttontyperoundedrect];   abutton.frame = cgrectmake(xvalue, yvalue, 45, 45);   [abutton addtarget:self action:@selector(holddown) forcontrolevents:uicontroleventtouchdown];   [abutton addtarget:self action:@selector(holdrelease) forcontrolevents:uicontroleventtouchupinside];   [abutton addtarget:self action:@selector(holdreleaseoutside) forcontrolevents:uicontroleventtouchupoutside]; //add case releasing finger out side of button's frame   //add method along other methods    - (void)holdreleaseoutside   {      nslog(@"hold release out side");   }

swift version

    var  abutton:uibutton = uibutton.buttonwithtype(uibuttontype.custom) uibutton     abutton.frame = cgrectmake(xvalue,yvalue, 45, 45)     abutton.settitle("abutton", forstate: uicontrolstate.normal)     abutton.backgroundcolor = uicolor.greencolor()     abutton.addtarget(self, action: selector("holdrelease:"), forcontrolevents: uicontrolevents.touchupinside);     abutton.addtarget(self, action: selector("holddown:"), forcontrolevents: uicontrolevents.touchdown)     self.addsubview(testbutton)      //target functions        func holddown(sender:uibutton)     {        println("hold down")     }      func holdrelease(sender:uibutton)     {        println("hold release")     }

Comments

Post a Comment

Popular posts from this blog

java.util.scanner - How to read and add only numbers to array from a text file -

i'm learning java , have question regarding reading file want read numbers file contains strings well. here example of file: 66.56 "3 java 3-43 5-42 2.1 1 and here coding: public class test { public static void main (string [] args){ if (0 < args.length) { file x = new file(args[0]); try{ scanner in = new scanner( new fileinputstream(x)); arraylist<double> test = new arraylist<>(); while(in.hasnext()){ if(in.hasnextdouble()){ double f=in.nextdouble(); test.add(f);} else {in.next();} } catch(ioexception e) { system.err.println("exception during reading: " + e); } } my problem add 66.56,2.1 , 1 doesn't add 3 after "3 or ignores 3-43 , 5-42 can tell me how skip strings , add doubles here? thanks all said 3 ie; "3, 3-43 , 4-42 strings either u read string , split , check number @ " , - or put in space between characters , integers. jvm after compilation tre...
Read more

rewrite - Trouble with Wordpress multiple custom querystrings -

i'm working on adding multiple querystring , doesn't seem work. i've found codes seems work others might i'm missing something. i want like: http://mydomain.com/board/?getyear=2013&getsometext2=sometext to http://mydomain.com/board/2013/sometext/ i added code below functions.php file. doesn't seem work should though. this works. echoing querystring gets both variable without problem. http://mydomain.com/board/2013/sometext/ but doesn't. tested querystring vis isset() seems nothing being set/get http://mydomain.com/board/2013/ function add_query_vars($vars) { $vars[] = "getyear"; $vars[] = "getsometext2"; return $vars; } add_filter('query_vars', 'add_query_vars'); function add_rewrite_rules($arules) { $anewrules = array('board/([^/]+)/([^/]+)/?$' => 'index.php?pagename=board&getyear=$matches[1]&getsometext2=$matches[2]'); $arules = $a...
Read more