question: protected void drawDescription ( Canvas c ) { if ( ! mDescription . equals ( "" ) ) { if ( mDescriptionPosition == null ) { c . drawText ( mDescription , getWidth ( ) - mViewPortHandler . offsetRight ( ) - 10 , getHeight ( ) - mViewPortHandler . offsetBottom ( ) - 10 , mDescPaint ) ; } else { c . drawText ( mDescription , mDescriptionPosition . x , mDescriptionPosition . y , mDescPaint ) ; } } }
target:  draws the description text in the bottom right corner of the chart