public void animateOpen ( ) { prepareContent ( ) ; if ( onDrawerScrollListener != null ) { onDrawerScrollListener . onScrollStarted ( ) ; } animateOpen ( vertical ? viewHandle . getTop ( ) : viewHandle . getLeft ( ) ) ; sendAccessibilityEvent ( AccessibilityEvent . TYPE_WINDOW_STATE_CHANGED ) ; if ( onDrawerScrollListener != null ) { onDrawerScrollListener . onScrollEnded ( ) ; } }
Opens the drawer with an animation .