Alarm Clock: An alarm clock can use full-screen intent to either show an activity or a notification with high priority. Incoming call: When there is an incoming call, the system launches a full-screen activity if the phone is locked or shows a normal notification with high priority.(see Restrictions on starting activities from the background)įrom Ian Lake from the Android Toolkit team at Stackoverflow:įull screen intent has been the recommended best practice for alarms since it was introduced in API 9 and was even more important with the introduction of heads up notifications (where your alarm shows as a heads up notification if the user is actively using their device) When should Full-Screen Intents be used?įull-screen intents were added to the framework since forever and it is the recommended way of launching an activity while the system is locked or busy. Although this breaks a lot of things, it doesn’t affect full-screen intents. Why should Full-Screen Intents be used?Ī restriction was added with Android Q where an app couldn’t start an activity if not meeting criteria. In these situations, you can associate a full-screen intent with your notification. Your app might need to display an urgent, time-sensitive message, such as an incoming phone call or a ringing alarm. Well, I guess that needs a bit more explanation so keep on reading. Full-Screen Intents are Intents that can launch in full-screen and can be used for showing a full-screen notification.
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