Making wallpapers with AI on iOS 27
更新於 2026-08-31
免費下載 2LiveMaking wallpapers with AI on iOS 27
懶人包
- Image Playground generates a lock-screen background from a text description, free and on-device.
- Extend Your Wallpaper paints in matching background so a photo fills the screen without being cropped.
- Both produce still images. Neither converts a video into a live wallpaper.
iOS 27 puts two genuinely useful wallpaper tools in the box: one that invents an image from a description, and one that grows an image you already have until it fits. Both are free, both run on the device, and both are worth knowing well before you go looking for an app.
Here is how to use each, where each falls short, and what to do about the thing neither of them handles.
- 1
Generate a wallpaper with Image Playground
Open the lock-screen editor (press and hold the lock screen → Customize) and choose Image Playground as the wallpaper source. Describe what you want — a subject, a style, a mood — and it generates a background you can set directly.
- 2
Write a prompt that fits a lock screen
Ask for one clear subject with open space above it, and say the orientation out loud: “tall vertical composition, subject in the lower half.” Generic prompts produce centred, horizontally-framed images that lose their subject the moment they are cropped to a phone screen.
- 3
Extend a photo you already have
In the lock-screen editor or in Photos, choose Extend Your Wallpaper. Apple Intelligence reads the existing image and paints matching background beyond its edges so it fills the screen instead of being cropped into.
Extension invents the new edges. Keep anything you care about well inside the original frame.
- 4
Check it under your actual clock
Set it and look. If you use the compact clock, you have far more usable height than the old layout allowed, so a generated image with a tall subject will hold up. Under the large clock, reposition so the subject sits below the digits.
What the built-in tools are genuinely good at
One-off ideas. If you want a wallpaper about a specific thing — your dog's breed on a beach, a colour you saw on a wall — describing it is faster than searching for it, and the result is yours alone.
Rescuing your own photos. Extend Your Wallpaper solves a real and old annoyance: a photo that is simply the wrong shape for a phone screen. It is the better of the two features for most people, because it works on pictures you already care about.
Where they run out
Consistency across a set. Generation is good at one image and unreliable at twelve that belong together. If you want a look you can live in for a month — one palette, one style, a matching home screen and widget — a curated collection still wins.
And style, which is the honest version of that argument: a generated image looks like a generated image. If you like illustration with a hand behind it, that is a taste question no on-device model settles for you.
The thing neither one does: motion
Both features produce a still. Nothing in iOS 27 turns a video you already own into a live wallpaper — and that turns out to be the hard part, for a reason that is invisible from the outside.
A Live Photo that plays in the Photos app and a Live Photo iOS will accept as a lock-screen wallpaper are two different files. The wallpaper-grade one carries metadata tracks the Photos app never asks for, and it needs a frame-exact timeline so the system knows where to freeze the still. Nearly every clip you would want to use — a saved reel, a screen recording, an AirDropped video — has a variable frame rate, which breaks that quietly.
This is why so many people try a free converter, get something that animates in Photos, watch the lock screen refuse it, and assume they made a mistake. They did not. 2Live flattens the clip to a frame-exact 60fps timeline, writes the metadata a wallpaper actually requires, and saves a correctly paired Live Photo — on the device, with nothing uploaded and no account.
常見問題
Is Image Playground free on iOS 27?
Yes — it is part of Apple Intelligence and runs on the device, at no cost, on iPhones that support Apple Intelligence.
Can Image Playground make a live wallpaper?
No. It generates still images. Live wallpapers on iPhone are Live Photos — a still paired with a short video — and no part of iOS 27 creates one from scratch or from a video you already have.
What is Extend Your Wallpaper on iOS 27?
An Apple Intelligence feature that analyses your photo and generates matching background beyond its original edges so it fills the lock screen naturally, instead of being cropped. It is available in the Lock Screen settings and in the Photos app.
Are AI-generated wallpapers good quality?
For a one-off idea, often yes. They are less reliable when you want a consistent set — one palette and style across several wallpapers, a matching home screen and widgets — which is what a curated collection is for.
How do I turn a video into a wallpaper on iOS 27?
iOS itself cannot. You need an app that writes a properly formed Live Photo pair — with the metadata the lock screen requires and a frame-exact timeline — then you save it to Photos and set it as a wallpaper pair with Live enabled.
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