Try it like below.
Java
For picking hour you can use
timePicker.getCurrentHour();
and for picking minutes you can use
timePicker.getCurrentMinute();
and then you can set this hour and minute to any Integer variable. Like
int hour = timePicker.getCurrentHour();
int minute = timePicker.getCurrentMinute();
Kotlin
For picking hour you can use
timePicker.hour;
and for picking minutes you can use
timePicker.minute;
and then you can set this hour and minute to any Integer variable. Like
int hour = timePicker.hour;
int minute = timePicker.minute;
for more information you can refer to this link