iOS info.plist中权限描述文案是否存在定义限制？

Hey there! Let me walk you through the key restrictions you need to be aware of when defining permission description strings in iOS's Info.plist—I’ve navigated this many times during App Store submissions, so here’s what you should know:

• Mandatory for critical permissions: For certain system permissions (like camera, microphone, photo library, location, etc.), you must include a corresponding description key in Info.plist (e.g., NSCameraUsageDescription, NSLocationWhenInUseUsageDescription). If you skip this, your app will crash when trying to access the permission, and Apple’s App Store review team will reject your submission outright.

• Must be clear and specific: Apple requires descriptions to explicitly state why your app needs the permission—not just that it needs it. Vague phrases like "Need access to your camera" will get your app rejected. Instead, be precise: "Access to your camera is required to capture profile photos for your account."

• Practical length limits (no official cap, but UI constraints): While Apple doesn’t publish a strict character limit, keep in mind the system’s UI where these descriptions appear (like the Settings app or permission prompt). Overly long text will get truncated, making it hard for users to understand your intent. Aim for 100-150 characters max—short enough to fit neatly, but complete enough to explain the purpose.

• No deceptive language: You can’t mislead users about the permission’s purpose. For example, if you’re using the photo library to upload images to your server, don’t write "For editing photos locally"—this violates App Store Review Guidelines and will result in a rejection.

• Localization is required for multi-language apps: If your app supports multiple languages, you must localize these permission descriptions. Use InfoPlist.strings files for each language to provide translated versions. Failing to do this will leave default English text (or even placeholders) on non-English devices, which can hurt user trust and may trigger review issues.

• No special formatting: Stick to plain text—avoid bold, italics, line breaks, or special characters. The system will ignore these formats or display them incorrectly, making your description look unprofessional.

If you’re ever unsure, cross-check against Apple’s App Store Review Guidelines and official documentation on privacy permissions—they spell out these expectations clearly.

内容的提问来源于stack exchange，提问作者Igor Custodio