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For example, explain why the above points should be considered. If the event is passed to a View without child views, then the view's onTouchEvent () will be called back. We can decide whether to consume the event by overriding the return value of onTouchEvent (). If this event is down and onTouchEvent () returns false and does not consume it, then the events after the event sequence will no longer be distributed to this View. If the down event is consumed, then the subsequent events will continue to be distributed to this View. At this time, if a move event of the subsequent event is not consumed, then the events after this move event will still be distributed to this View.对生活绝望的男主人公安东尼想要在地铁卧轨自杀时遇见了同样想自杀女主人公蕾恩。 阴差阳错， 两人都未自杀成功。蕾恩因自杀未遂怪罪于安东尼，并坚决要求跟着安东尼回家，直到她有勇气再去自杀。安东尼很厌烦蕾恩，直到有一次安东尼再次去自杀被蕾恩拦住。两人终于打开了心扉，互相倾诉自己的故事。安东尼与她的前妻离婚，他有个可爱的孩子迈克，大部分时间由他抚养。他很爱迈克，有一天因为他的疏忽导致车祸夺走了他儿子的生命。他本想自杀去陪儿子，但最后一刻他退缩了，从此一直活在自责当中。而蕾恩的父母从小就离异。父亲一走了之再也没见过她。她跟着她的母亲生活，但她的母亲却没有尽到母亲的职责。从小在孤僻的环境下长大的蕾恩非常渴望父母的爱和完整的家。后来她追逐自己的演员梦，却悲哀的成为了一个舞娘。她为自己的生活感到悲哀，没有活下去的动力。 两人逐渐互相关心， 扶持，开展新的生活。那你快说说电影的具体剧情，你再不说。接下来天天都要吃这个，可怎么办？胡钧气道：还不都是你惹出来的。For interface programming, a lot of changes that may occur in the system in the future can be isolated. Why? If the code is written for an interface, he can implement the interface with any new class through polymorphism. However, when the code uses a large number of specific classes, once new specific classes are added, the code must be changed. Violating the opening and closing principle.