From 62884faa2ec954392d00d8ba561783564511beed Mon Sep 17 00:00:00 2001 From: Anugrah Rochmat Date: Thu, 27 Dec 2018 00:47:06 +0700 Subject: [PATCH] Add content into Activity Section (#27625) --- guide/english/android-development/core-components/index.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/guide/english/android-development/core-components/index.md b/guide/english/android-development/core-components/index.md index ed30a0b19e..2596b20a09 100644 --- a/guide/english/android-development/core-components/index.md +++ b/guide/english/android-development/core-components/index.md @@ -12,6 +12,10 @@ Core components are the essential elements contained in an Android app. Each of ### [Activities](https://developer.android.com/guide/components/activities/) An _activity_ is a component that has a user interface and represents a single screen in an Android app. An app can have multiple activities, each of which can be an entry point to the application itself for the user or the system (an app's activity that wants to open another activity that belongs to the same application or to a different one). +An activity facilitates the following key interactions between system and app: +- Keeping track of what the user currently cares about (what is on screen) to ensure that the system keeps running the process that is hosting the activity. + + #### [Activity Lifecycle](https://developer.android.com/guide/components/activities/activity-lifecycle) ![Activity Lifecycle](https://developer.android.com/images/activity_lifecycle.png)