<?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="ChordGridView"> <attr name="octave" format="integer" /> </declare-styleable> <declare-styleable name="KnobView"> <attr name="value" format="float" /> <attr name="min" format="float" /> <attr name="max" format="float" /> </declare-styleable> <declare-styleable name="PianoView"> <attr name="octaves" format="integer" /> <attr name="first_octave" format="integer" /> </declare-styleable> </resources>