java - The import com.android.datetimepicker cannot be resolved -

java - The import com.android.datetimepicker cannot be resolved -

i've imported existing android project eclipse, i'm getting errors on next imports:

import com.android.datetimepicker.time.radialpickerlayout; import com.android.datetimepicker.time.timepickerdialog;

i have android-support-v4.jar library added build path. help me figure out missing?

neither of classes exist in android sdk. there timepickerdialog, others have noted, in a different package. there radialpickerlayout in android source code, , welcome seek utilize it.

really, should talking whoever wrote android project , asking them planning on getting classes from.

java android eclipse