objective c - IOS - Add button in tool bar left and middle -


i want create ui tool bar effect this

[done]-------[minus]--------

button done locate @ left , button minus locate @ middle

this code didn't button minus set middle

uitoolbar* mtbkeyboardaccessoryview = [[uitoolbar alloc] init]; [mtbkeyboardaccessoryview sizetofit];  uibarbuttonitem *donebtn = [[uibarbuttonitem alloc] initwithtitle:@"done" style:uibarbuttonitemstylebordered target:self action:@selector(donekeyboard)];  uibarbuttonitem *minusbtn = [[uibarbuttonitem alloc] initwithtitle:@"minus" style:uibarbuttonitemstylebordered target:self action:@selector(minussign)];  uibarbuttonitem *flexibleitem = [[uibarbuttonitem alloc] initwithbarbuttonsystemitem: uibarbuttonsystemitemflexiblespace target: nil action: nil];  [mtbkeyboardaccessoryview setitems:[nsarray arraywithobjects:donebtn, flexibleitem, minusbtn, flexibleitem, flexibleitem, nil]];

i don't want create button frame , customary set (w, h, x, y) , add sub-view ui tool bar

is way set ui bar button @ left , middle , without affect button coordinate when change orientation in landscape , portrait

i result [done]-------[minus]------------------- minus button not set middle

enter image description here

add uibarbutton done add flexibleitem uibarbutton minus , again add flexibleitem.

try add above..!! may you..!!


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