iphone - How to update a UIButton label from another view controller -

-

i have uitabbar application, has 3 tabs. first tab has uiviewcontroller uibutton displays modal uiviewcontroller allow user select date. i'm having trouble updating label of uibutton when user has selected chosen date.

my main view controller .h / .m

#import <uikit/uikit.h>  @interface searchviewcontroller : uiviewcontroller {     iboutlet uibutton *butfromdate; }  @property (nonatomic, retain) uibutton *butfromdate;  - (ibaction)pickdate:(id)sender;  @end  ////////////////////////////////////////////  #import "searchviewcontroller.h" #import "searchdatepickerviewcontroller.h"  @implementation searchviewcontroller  @synthesize butfromdate;  - (ibaction)pickdate:(id)sender{     searchdatepickerviewcontroller *sampleview = [[[searchdatepickerviewcontroller alloc] init] autorelease];      [sampleview setmodaltransitionstyle:uimodaltransitionstylepartialcurl];     [self presentmodalviewcontroller:sampleview animated:yes]; }  - (void)dealloc {     [butfromdate release];     [super dealloc]; }  @end

then modal window (with uipicker, , couple of uibarbuttons cancel or save user's choice) .h / .m looks like:

#import <uikit/uikit.h>  @interface searchdatepickerviewcontroller : uiviewcontroller <uipickerviewdelegate, uipickerviewdatasource> {     nsmutablearray *dates;     iboutlet uipickerview *picker; }  @property (nonatomic, retain) nsmutablearray *dates; @property (nonatomic, retain) uipickerview *picker;  - (ibaction)canceldatepick:(id)sender; - (ibaction)pickdate:(id)sender;  @end  ////////////////////////////////////////////  #import "searchdatepickerviewcontroller.h" #import "searchviewcontroller.h" #import "appdelegate.h" #import "search.h"  @implementation searchdatepickerviewcontroller  @synthesize dates, picker;  - (ibaction)canceldatepick:(id)sender{     [self dismissmodalviewcontrolleranimated:yes]; }  - (ibaction)pickdate:(id)sender{     holidaycottagesappdelegate *appdelegate = (holidaycottagesappdelegate *)[[uiapplication sharedapplication] delegate];     searchviewcontroller *searchview = [searchviewcontroller alloc];     appdelegate.currentsearch.fromdate = [dates objectatindex:[picker selectedrowincomponent:0]];      [searchview.butfromdate settitle:@"hello-test" forstate:uicontrolstatenormal];     [self dismissmodalviewcontrolleranimated:yes]; }  - (void)viewdidload {     [super viewdidload];     nsdate* curdate = [nsdate date];     nscalendar* calendar = [[nscalendar alloc] initwithcalendaridentifier:nsgregoriancalendar];     nsdatecomponents* comps = [calendar components:nsyearcalendarunit|nsmonthcalendarunit|nsweekcalendarunit|nsweekdaycalendarunit fromdate:curdate];     nstimezone* gmt = [nstimezone timezonewithabbreviation:@"gmt"];     dates = [[nsmutablearray alloc] init];      [comps settimezone:gmt];     [comps setweekday:7];      int startcount = comps.week + 1;     int endcount = (((52 - startcount) + 52) + startcount);      (startcount; startcount <= endcount; startcount++){         nsdate *tdate = [calendar datefromcomponents:comps];         [dates addobject:tdate];         [comps setweek:startcount];     } }  // other shizzle here not needed display...

so, when click save button, runs -(void)pickdate: ok , dismisses modal view, won't update searchviewcontroller's uibutton label "hello-test". i'm sure i'm missing simple here...

please me!!

thanks :)

in main view controller, need pass "self" reference search date picker view controller, , set ivar main view controller in search date picker view , use reference in pickdate method of search date picker view. please check out blog entry of mine last year on exact subject:

http://www.dosomethinghere.com/2009/10/04/passing-values-and-messages-between-views-on-iphone/


Comments

Post a Comment

Popular posts from this blog

android - Spacing between the stars of a rating bar? -

-
ho can set spacing beween stars? thats ratingbar: ratingbar = (ratingbar) inflater.inflate(r.layout.ratingbar, null); ratingbar.setlayoutparams(new layoutparams(layoutparams.wrap_content, layoutparams.wrap_content)); the layout: <?xml version="1.0" encoding="utf-8"?> <ratingbar xmlns:android="http://schemas.android.com/apk/res/android" style="@style/mystyle" android:layout_alignparentright="true" android:layout_height="19dp" android:layout_width="wrap_content" android:numstars="5"> </ratingbar> the style: <style name="mystyle" parent="@android:style/widget.ratingbar"> <item name="android:progressdrawable">@drawable/android_r2_ratingstar_yellow</item> <item name="android:indeterminatedrawable">@drawable/android_r2_ratingstar_grey</item> </style> thanks, cheers you have ...
Read more

c# - How to execute a particular part of code asynchronously in a class -

-
i creating speech recognition engine that's going respond user commands.i have created button enable , disable speech recognition per user convenience.i have used dispose() of speech engine disable speech recoginition.here code private void button1_click(object sender, routedeventargs e) { engineon = !engineon; if (engineon) { speechengine = speech.createspeechengine(); //speech class creates , returns new speech engine. speechengine.audiolevelupdated += new eventhandler<audiolevelupdatedeventargs>(speechengine_audiolevelupdated); // use system's default microphone speechengine.setinputtodefaultaudiodevice(); speechengine.loadgrammar(new dictationgrammar()); // start listening speechengine.recognizeasync(recognizemode.multiple); } else { speechclass.myengine.dispose(); } } but disposal of speech obj...
Read more

c# - Asterisk click to call -

-
maybe of may know how achieve this. want this: click on link/button my phone rings, pick asterisk dials number me recipient phone rings i'm using asterisk 1.2 . i tried dial out . can make call 1 side. thanks in advance. you can use call files . read: asterisk auto-dial out . i have made simple cgi script called via web server creates call file (remember use temp directory) , moves /var/spool/asterisk/outgoing , asterisk rest of work. user perspective works described. remember normalize phone numbers (on web pages can have spaces, hyphens etc, while in call file must dialable numbers).
Read more