替换@OnLifecycleEvent注解 原先使用@OnLifecycleEvent注解监听生命周期方法,现在需要使用@NonNull注解替换: // Before @OnLifecycleEvent(Lifecycle.Event.ON_RESUME) public void onResume() { ... } // After @NonNull @Override public void onResume() { ... }
使用LifecycleObserver接口 将需要监听生命周期的类实现LifecycleObserver接口,然后使用@OnLifecycleEvent注解方法: public class MyObserver implements LifecycleObserver { @OnLifecycleEvent(Lifecycle.Event.ON_RESUME) public void onResume() { ... } }
使用LifecycleEventObserver接口 直接使用LifecycleEventObserver接口来监听生命周期事件: public class MyObserver implements LifecycleEventObserver { @Override public void onStateChanged(@NonNull LifecycleOwner source, @NonNull Lifecycle.Event event) { if (event == Lifecycle.Event.ON_RESUME) { ... } } }