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youlookwhat avatar youlookwhat commented on August 27, 2024

不好意思 最近公司项目比较忙,回复的比较晚。
按我的理解,ViewModel并不是说使用了就避免内存泄漏了,而是要做一些操作。

  1. ViewModel里面数据的变化通过观察者模式改变Activity中View的变化,而中间的媒介是LiveData LiveData会和对应Activity的生命周期绑定owner.getLifecycle().addObserver(wrapper);所以当Activity销毁的时候,如果数据返回了也是不会渲染数据的,而且对应的LiveData也会被移除removeObservers

  2. ViewModel里自带一个onCleared()方法,此方法会在Activity销毁时调用,使用者可以在这里做一些释放资源的操作。

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youlookwhat avatar youlookwhat commented on August 27, 2024

@yezihengok

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yezihengok avatar yezihengok commented on August 27, 2024

thanks~~

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