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它会被 ARC 自动释放还是会在我以某种方式将其移除后保留在那里?如果它仍然留在那里,我可以从实例中收集到任何有用的数据吗?
它与任何其他对象实例具有相同的生命周期,因此如果保留则它是活动的,否则自动释放。我猜 a durationor playingorcurrentTime是非常有用的属性。
duration
playing
currentTime