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Correct instructions for AppLifecycleListener

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Dmitry Jemerov 2020-01-02 12:28:06 +01:00
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basics/plugin_structure/plugin_components.md
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@ -19,8 +19,7 @@ To migrate your code from components to more modern APIs, please use the followi
and implement the `PersistentStateComponent` interface. See [Persisting State of Components](/basics/persisting_state_of_components.md) for details.
* To subscribe to events, use a [listener](plugin_listeners.md) or create an [extension](plugin_extensions.md) for a dedicated extension point (for example, `com.intellij.editorFactoryListener`) if one exists for the event you need to subscribe to.
* Executing code on application startup should be avoided whenever possible because it slows down startup.
Plugin code should only be executed when projects are opened or when the user invokes an action of your plugin. If you can't avoid this, create
an [extension](plugin_extensions.md) for the `com.intellij.appLifecycleListener` extension point.
Plugin code should only be executed when projects are opened or when the user invokes an action of your plugin. If you can't avoid this, add a [listener](plugin_listeners.md) subscribing to the [AppLifecycleListener](upsource:///platform/platform-impl/src/com/intellij/ide/AppLifecycleListener.java) topic.
* To execute code when a project is being opened, provide [StartupActivity](upsource:///platform/core-api/src/com/intellij/openapi/startup/StartupActivity.java) implementation and register an [extension](plugin_extensions.md) for the `com.intellij.postStartupActivity` or `com.intellij.backgroundPostStartupActivity` extension point (the latter is supported starting with version 2019.3 of the platform).
* To execute code on project closing or application shutdown, implement the `Disposable` interface in a [Service](plugin_services.md)
and place the code in the `dispose()` method, or use `Disposer.register()` passing a `Project` or `Application` instance