ios - Add User data to UIPickerView -



ios - Add User data to UIPickerView -

i have app user scans qr code nsstring, need set uipickerview.

what utilize set text of uipickerview row nsstring qr code?

firstly, need have array of strings , implement uipickerviewdatasource , uipickerviewdelegate in .h file. after this, have create utilize of delegate methods of uipickerview shown :

-(nsinteger)numberofcomponentsinpickerview:(uipickerview *)pickerview { //return number. }

this homecoming number of sections want in pickerview.

(nsinteger)pickerview:(uipickerview *)pickerview numberofrowsincomponent:(nsinteger)component { homecoming array.count; }

the above method homecoming number of rows in particular component. if have array, equal number of elements in array. , lastly one.

-(nsstring *)pickerview:(uipickerview *)pickerview titleforrow:(nsinteger)row forcomponent:(nsinteger)component { nsstring *str; if(pickerview == yourpickername) { str = [array objectatindex:row]; } homecoming str; }

this method homecoming text value each row in picker. , don't forget connect pickerview's datasource , delegate in storyboard.

hope helps.

ios uipickerview

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