xamarin.ios - UIImagePickerController Crashing Monotouch -

-

i trying write application, crashing when using uiimagepickercontroller. thought might because not disposing of picker after each use, freeze on first run well. i'll take picture , freezes, never asking "use" picture.

do have suggestions? here code. has gotten work? 

 public override void viewdidload ()     {         base.viewdidload ();          mypicker = new uiimagepickercontroller();         mypicker.delegate = new mypickerdelegate(this);          myalbumbutton.clicked += delegate {                 if(uiimagepickercontroller.issourcetypeavailable(uiimagepickercontrollersourcetype.photolibrary)){                     mypicker.sourcetype = uiimagepickercontrollersourcetype.photolibrary;                     mypicker.allowsediting = true;                     this.presentmodalviewcontroller (mypicker, true);                 }else{                 console.writeline("cannot album");               }         };           mycamerabutton.clicked += delegate {             if(uiimagepickercontroller.issourcetypeavailable(uiimagepickercontrollersourcetype.camera)){                 mypicker.sourcetype = uiimagepickercontrollersourcetype.camera;                 //mypicker.allowsediting = true;                 this.presentmodalviewcontroller (mypicker, true);             }else{                 console.writeline("cannot camera");              }          };      }       private class mypickerdelegate : uiimagepickercontrollerdelegate     {         private testview _vc;          public mypickerdelegate ( testview controller):base()         {             _vc = controller;            }          public override void finishedpickingimage (uiimagepickercontroller mypicker, uiimage image, nsdictionary editinginfo)         {             // todo: implement - see: http://go-mono.com/docs/index.aspx?link=t%3amonotouch.foundation.modelattribute              _vc.myimageview.image = image;             mypicker.dismissmodalviewcontrolleranimated(true);         }  }

try call event handlers code main thread using begininvokeonmainthread().


Comments

Post a Comment

Popular posts from this blog

c++ - How do I get a multi line tooltip in MFC -

-
right now, have tool tip pops when hover on edit box. problem tool tip contains multiple error messages , in 1 long line. need have each error message on own line. error messages contained in cstring new line seperating them. my existing code below. bool ontooltiptext(uint, nmhdr* pnmhdr, lresult* presult) { assert(pnmhdr->code == ttn_needtexta || pnmhdr->code == ttn_needtextw); // need handle both ansi , unicode versions of message tooltiptexta* pttta = (tooltiptexta*)pnmhdr; tooltiptextw* ptttw = (tooltiptextw*)pnmhdr; // tchar szfulltext[256]; cstring strtiptext=_t(""); uint nid = pnmhdr->idfrom; if (pnmhdr->code == ttn_needtexta && (pttta->uflags & ttf_idishwnd) || pnmhdr->code == ttn_needtextw && (ptttw->uflags & ttf_idishwnd)) { // idfrom hwnd of tool nid = ::getdlgctrlid((hwnd)nid); } //m_errprojaccel[ch] contains 1 or more error messages each...
Read more

asp.net - In javascript how to find the height and width -

-
i having .aspx , masterpage page. in masterpage loading aspx page . in aspx page design using generating table structure using code-behind server in javascript how find height , width . regards, kumar if you're looking table height , width, should it var tbl = document.getelementbyid('tbldemo'); alert(tbl.offsetwidth + '\n' + tbl.offsetheight);
Read more

c# - DataTable to EnumerableRowCollection -

-
i have datatable according client requirement can contain invalid date "00/00/1999",null,empty string.(typed datset) when collect them enumerables wish convert of invalid forms empty string. (i.e) enumerablerowcollection<datarow> query = order in _table.asenumerable() select new { orderdate= string.isnullorempty(convert.tostring(order.field<datetime>("orderdate")) || (how check date invalid date) ? string.empty : order.field<datetime>("orderdate") } how check whether date valid date or not? datetime.tryparse...like given current code: datetime date; enumerablerowcollection<datarow> query = order in _table.asenumerable() select new { orderdate= string.isnullorempty(convert.tostring(order.field<datetime>("orderdate")) || !datetime.tryparse(convert.tostring(order.field<datetime...
Read more