Unable to find key codes for AM and PM. Android -

in android 5.0 when create time picker.

i got error.

e/timepickerdelegate﹕ unable find keycodes , pm.

anyone known how resolve error?

mtimepicker = (timepicker) mview.findviewbyid(r.id.time_picker); 

i used new android studio.

cant getting exact problem if seen this must getting that, should use "a" in date format dealing "am / pm"

and sure, when using "a" getting am/pm, hours format should in "hh" (i.e 12 hour foramat) not in "hh" (i.e 24 hour format). let know if need more help..