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Note: The singleton methods used in Android source code include: InputMethodManager, AccessibilityManager, etc. all use this singleton mode.　　为此薛风发当年鞑子打到北京，若不是戚将军在京应考，临危受命，也许……可你知道戚将军当时武举成绩么？该是武状元才对？大错特错。王尚书笑道：王爷只管去，下官这就跟他们打招呼。　　在《绝地战警2》中饰演Syd一角的演员是Gabrielle Union，剧集版将由她继续演出。她是Marcus Burnett（Martin Lawrence饰）的妹妹，亦是美国缉毒局的卧底探员。另外在片中，Sydney与Mike Lowrey（Will Smith饰）是情侣。杨长帆就此放下家人，你们随主公去城外，我去处理一些事情，咱们很快回家。The following procedure is to use the state mode to improve the light. When it comes to encapsulation, the behavior of the encapsulated object is generally preferred over the state of the object. But the opposite is true in state mode, The key to the state mode is to encapsulate each state of the thing into a separate class, and the behaviors related to this state are encapsulated inside this class, so when button is pressed, only the request needs to be delegated to the current state object in the context, and the state object will be responsible for rendering its own behaviors. At the same time, the state switching rules can be distributed in the state classes in advance, thus effectively eliminating a large number of conditional branch statements that originally existed.