material/src/main/java/com/rey/material/util/ToolbarManager.java
protected boolean shouldSyncDrawerSlidingProgress(){
            if(mFragmentManager.getBackStackEntryCount() > 1)
                return false;

            return true;
        }
/**
         * Check if should sync progress of drawer sliding animation with navigation state changing animation.
         */
Check if should sync progress of drawer sliding animation with navigation state changing animation.
Check if should sync progress of drawer sliding animation with navigation state changing animation .
protected boolean shouldSyncDrawerSlidingProgress(){
            if(mFragmentManager.getBackStackEntryCount() > 1)
                return false;
            return true;
        }
protected boolean shouldSyncDrawerSlidingProgress ( ) { if ( mFragmentManager . getBackStackEntryCount ( ) > 1 ) return false ; return true ; }
Check if should sync progress of drawer sliding animation with navigation state changing animation.
Check if should sync progress of drawer sliding animation with navigation state changing animation .