‘in’ if the transition is going to show your screen Value that represents the state of the transition: If you want to know if it’s an entering or leaving animation, If a transition is in progress, whatever the mode, the value will changeįrom 0 to 1. Value that represents the completion of the current transition, if any This is the name used for ScreenManager.current. Name of the screen which must be unique within a ScreenManager. ScreenManager object, set when the screen is added to a You can easily switch transitions by changing theĬhanged in version 1.6.0: Events on_pre_enter, on_enter, on_pre_leave and on_leave were Screen centre while fading from transparent to opaque. RiseInTransition - shader where the new screen rises from the WipeTransition - shader to wipe the screens from right to leftįallOutTransition - shader where the old screen ‘falls’ andīecomes transparent, revealing the new one behind it. SwapTransition - implementation of the iOS swap transitionįadeTransition - shader to fade the screen in/out Or the old one slides off the new one depending on the mode SlideTransition - slide the screen in/out, from any directionĬardTransition - new screen slides on the previous NoTransition - switches screens instantly with no animation You have multiple transitions available by default, such as: To switch to a screen which is already added, you should use the Note that this method adds the screen to the ScreenManager instanceĪnd should not be used if your screens have already been added to this switch_to ( screens, direction = 'right' ) Building on the previousĮxample, this can be accomplished like so: SlideTransition which slides right to the next screenĪnd slides left to the previous screen. run () Changing Direction ¶Ī common use case for ScreenManager involves using a add_widget ( SettingsScreen ( name = 'settings' )) return sm if _name_ = '_main_' : TestApp (). add_widget ( MenuScreen ( name = 'menu' )) sm. load_string ( """ : BoxLayout: Button: text: 'Goto settings' on_press: = 'settings' Button: text: 'Quit' : BoxLayout: Button: text: 'My settings button' Button: text: 'Back to menu' on_press: = 'menu' """ ) # Declare both screens class MenuScreen ( Screen ): pass class SettingsScreen ( Screen ): pass class TestApp ( App ): def build ( self ): # Create the screen manager sm = ScreenManager () sm. Each screen has by default a # property manager that gives you the instance of the ScreenManager used. Please note the : this is how # you can control the ScreenManager from kv.
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