Electronic device for displaying information and method thereof

An electronic device comprising:

• a touchscreen display;
• an image sensor;
• and
• a processor electrically connected with the touchscreen display and the image sensor, the processor configured to:
• display a lock screen via the touchscreen display,
• in response to an occurrence of a specified event while the lock screen is displayed via the touchscreen display, display a notification corresponding to the specified event as at least partially overlapped with the lock screen,
• perform a first authentication based on an image of a user obtained via the image sensor while the notification is displayed as at least partially overlapped with the lock screen,
• based on a success of the first authentication, display first additional information related to the specified event via the touchscreen display as at least partially overlapped with the lock screen, the first additional information previously hidden from view before the first authentication,
• perform a second authentication based on a touch input obtained via the touchscreen display, and
• based on a success of the second authentication, display second additional information related to the specified event via the touchscreen display, the second additional information previously hidden from view before the second authentication.

An electronic device comprising:

• a touchscreen display;
• an image sensor;
• and
• a processor electrically connected with the touchscreen display and the image sensor, the processor configured to:
• display a lock screen via the touchscreen display,
• in response to an occurrence of a specified event while the lock screen is displayed via the touchscreen display, display a notification corresponding to the specified event as at least partially overlapped with the lock screen,
• perform a first authentication based on an image of a user obtained via the image sensor while the notification is displayed as at least partially overlapped with the lock screen, and
• based on a success of the first authentication, display first additional information related to the specified event via the touchscreen display as at least partially overlapped with the lock screen, the first additional information previously hidden from view before the first authentication.