ios - Image color in UIButton gets masked to background color -


i have uibutton, should have white image , blue background. problem is, color of image gets masked background color , becomes white blue. this how should , this (ignore difference in background color). here's code set image: 

- (uibutton *)navbutton {     if (_navbutton == nil) {          uibutton *navbutton = [uibutton buttonwithtype:uibuttontypecustom];         navbutton.translatesautoresizingmaskintoconstraints = no;          [navbutton setbackgroundcolor:[uicolor appblue]];         [navbutton setimage: [uiimage imagenamed:@"car_icon"] forstate:uicontrolstatenormal];         [navbutton setenabled:no];          _navbutton = navbutton;     }     return _navbutton; }

you can use this 

      uiimage *image = [[uiimage imagenamed:@"car_icon"] imagewithrenderingmode:uiimagerenderingmodealwaystemplate];      [button setimage:image forstate:uicontrolstatenormal];

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