Does the wallpaper update automatically when my calendar changes?

Yes. Daypaper detects calendar changes and redraws the wallpaper within a minute, and switches to the new day at midnight. It works without a home screen widget, and you never need to open the app to refresh.

How do I see my to-dos from my Google Calendar on the lock screen?

Install Daypaper, allow calendar access, and apply the wallpaper to the lock screen. Any Google account synced to your phone's calendar shows up — you choose which calendars to include.

Will it put ads on my lock screen or require a double unlock?

No. Daypaper sets a normal wallpaper image instead of drawing over your lock screen, so there are no lock screen ads, no double unlock and no loading delay when you wake your phone. Fingerprint and face unlock work as usual.

Can I keep my home screen photo and change only the lock screen?

Yes — lock screen only is the default. You can switch to home only or both in settings.

Can I show only one Gmail account's calendar?

Yes. Pick exactly which synced calendars appear, and hide the rest.

Can I change the monthly view to a weekly view?

Yes. Choose between a full month, the next 7 days, or a today list with times.

My lock screen clock covers the calendar. What can I do?

Turn on the "lower content" option to move the calendar and events toward the bottom of the screen, away from a large clock.

Do I need an account? Is my calendar uploaded?

No sign-up. Your calendar is read on your phone only to draw the wallpaper and is never uploaded.

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How to put your calendar on the Android lock screen

Short answer: Android gives you three ways to keep your schedule on the lock screen — (1) a manufacturer lock screen widget, (2) an overlay app that draws over the lock screen, or (3) an image of your calendar set as the wallpaper. Option 3 works on the most devices and never touches the unlock flow.

1. Manufacturer lock screen widgets

Some phones, such as Samsung devices with One UI, let you place a calendar widget on the lock screen. Support and size vary by device and Android version, and most show only the next one or two events in small text — not a week or a month at a glance.

2. Lock screen overlay apps

Overlay apps show their own screen on top of the lock screen, so the schedule can be large on any device. But it is an extra layer over the real lock screen, which is why reviews keep repeating "Requires double unlock", "I have to wait 10 seconds every time I unlock my phone" and "Ads on your lock screen? Not a good look."

3. A calendar wallpaper (recommended)

An app draws your events into an image and sets it as the standard Android wallpaper. The system lock screen stays as-is, so unlock, fingerprint and face unlock behave normally, and no other app's screen sits in front of you.

The one thing that matters is automatic updating. Because it is an image, something has to redraw it when the date changes or an event is added. If that step is manual, the wallpaper quickly shows the wrong day.

4. Setting it up with Daypaper

Daypaper implements option 3 with automatic updates: it redraws at midnight and within a minute of any calendar change, with no widget required.

Install Daypaper and allow calendar read access
Choose which calendars to show (hide holidays or a work account)
Pick a layout (month, next 7 days, today list), one of 8 themes and a text size
Apply to the lock screen (default), home screen, or both
If your lock screen clock covers the calendar, turn on "lower content"

Put today's schedule on your lock screen

Get Daypaper on Google Play