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一个管理Activity生命周期的一个抽象类,里面封装了activity的生命周期的方法,一般我们会在基类中绑定当前Activity生命周期 ---->>它通过观察者模式+注解来让我们更方便的监听Activity和Fragment的生命周期变化
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Jetpack 的 Lifecycle 库:它可以有效的避免内存泄漏,解决 Android 生命周期的常见难题。 内部原理:ComponentActivity 的 onCreate 方法中注入了 ReportFragment,通过 Fragment 来实现生命周期监听。 使用场景:给 RecyclerView 的 ViewHolder 添加 Lifecycle 的能力。自己实现 LifecycleHandler,在 Activity 销毁的时候,自动移除 Handler 的消息避免 Handler 导致的内存泄漏。
Lifecycle是用于管理Activity和Fragment 生命周期监听 里面封装了生命周期的方法 内部通过观察者模式和注解方法来实现生命周期监听 Lifecycle降低模块间的耦合度,并降低内存泄漏发生的可能性
Android生命周期组件Lifecycle使用详解
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