question: paint a circle on the given canvas . concode_field_sep Paint paint concode_field_sep float getTextAsc concode_elem_sep void setStrokeWidth concode_elem_sep void paintBitmap concode_elem_sep void paintBitmap concode_elem_sep void paint concode_elem_sep void paintObj concode_elem_sep float getWidth concode_elem_sep void paintRect concode_elem_sep void paintPath concode_elem_sep void setFill concode_elem_sep void setFontSize concode_elem_sep float getHeight concode_elem_sep void setColor concode_elem_sep float getTextDesc concode_elem_sep void paintText concode_elem_sep float getTextWidth concode_elem_sep void paintLine
target: void function ( Canvas arg0 , float arg1 , float arg2 , float arg3 ) { if ( arg0 == null ) throw new NullPointerException ( ) ; arg0 . drawCircle ( arg1 , arg2 , arg3 , paint ) ; }