android - Subclassing CompoundButton to create a three states checkbox -


i'm new android dev , make 3 states checkbox app. how possible ?

it should allow user switch between checked/unchecked/misc states.

i'm bit lost. should subclasses compoundbutton , modify state-list drawable ? i'm stuck @ subclassing.

i once looking same thing , found this. ended changing requirements cannot speak effectiveness, looks implement entire thing button, see threestatebutton , threestatecheckbox.


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