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Use the operating system’s contact picker when a feature needs one person’s details instead of ongoing access to the address book. The person chooses what to share, and the app receives selected data. The exact fields, selection options, and fallback behavior depend on the platform and API.
How a contact picker limits what an app receives
A contact picker puts the choice in the operating system’s interface: the app requests specific information, such as a name or phone number, and the person selects a contact. In Codename One, the ContactPicker API lets an app request fields including name, phone, email, address, photo, birthday, and website, then returns selected contact data through a callback.
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Request only the fields the feature needs. A share screen that needs one phone number does not need to ask for an address, birthday, or photo. A requested field is not guaranteed to exist in the selected contact, so the app should handle missing information rather than treating it as an error.
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What the picker does on each platform
| Platform path | Documented behavior | Practical implication |
|---|---|---|
| Android 17 (API level 37) and later | Android’s Contact Picker documentation describes a system picker that provides access to selected contact data as an alternative to broad READ_CONTACTS access. The ContactsPickerSessionContract reference says access is one-time and tied to a session URI. |
Save the values the app needs while handling the selection if they must remain available after the picker session. |
| Older Android in Codename One’s described implementation | Codename One describes an ACTION_PICK fallback that selects one contact without broad contacts permission. Its article cautions that the fallback may not return every requested field and does not provide the same multi-selection behavior. |
Treat this as the behavior of that framework path, not as a guarantee for every Android app or device. |
| iOS | Apple’s CNContactPickerViewController documentation allows selection of contacts or their properties without granting the app general access to the person’s contacts. Codename One identifies this controller as its iOS implementation. | Use the selection result for the requested feature; do not assume the app can browse the rest of the address book. |
| Other Codename One ports | The framework article says some ports report the picker capability as unsupported. | Keep a manual-entry option for platforms where the picker is unavailable. |
Handle selection results as temporary, partial data
On Android 17 and later, the official API reference describes one-time access through a session URI. The selected contact data is not a standing grant to read the address book. If the app needs a phone number or other value beyond that session, copy and store the necessary value while processing the picker result.
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Ailun Privacy Screen Protector iPhone 17e/16e/14/13/13 Pro, 2 Pack | 6.1 Inch, Tempered Glass, Anti Spy Private, Case Friendly, Not for iPhone 16 6.1 Inch
- [2 Pack] This product includes 2 pack privacy screen protectors.WORKS FOR iPhone 17e/16e/14/iPhone 13/13 Pro 6.1 Inch tempered glass screen protector.Featuring maximum protection from scratches, scrapes, and bumps.[Not for iPhone 16 6.1 inch, iPhone 13 mini 5.4 inch, iPhone 13 Pro Max/iPhone 14 Pro Max/iPhone 14 Plus 6.7 inch, iPhone 14 Pro 6.1 inch]
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Codename One characterizes the returned Contact as a snapshot. Its picker identifier should not be treated as a token for later, unrestricted access through ContactsManager. Handle the returned fields directly, and persist only what the feature actually needs.
Build graceful fallbacks for cancellation and missing fields
A privacy-preserving picker still needs ordinary empty states. The person may cancel, select nothing, choose a contact without the requested phone number, or use a platform where the picker is unsupported. Keep manual entry available so the feature remains usable in those cases.
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Ailun Privacy Screen Protector+Camera Lens Protector for iPhone 16, 3+3Pack | 6.1 Inch, Tempered Glass Film, Installation Frame, Anti Spy Private, Case Friendly
- [3+3 Pack] This product includes 3 pack privacy screen protectors and 3 pack camera lens protectors with Installation Frame. Works For iPhone 16 [6.1 inch] tempered glass screen protector and camera lens protector. Featuring maximum protection from scratches, scrapes, and bumps. [Not for iPhone 16e 6.1 inch, iPhone 16 Pro 6.3 inch, iPhone 16 Pro Max 6.9 inch, iPhone 16 Plus 6.7 inch]
- Night shooting function: specially designed iPhone 16 6.1 Inch camera lens protective film. The camera lens protector adopts the new technology of "seamless" integration of augmented reality, with light transmittance and night shooting function, without the need to design the flash hole position, when the flash is turned on at night, the original quality of photos and videos can be restored.
- High Privacy: Keeps your personal, private, and sensitive information hidden from strangers, screen is only visible to persons directly in front of screen. Good choose when you are in the bus,elevator,metro or other public occasions. (Note: Due to this privacy cover will darken the image to prevent the peeking eyes near you, you might need to turn your device display brightness up a bit when use it.)
- Easiest Installation - Please watch our installation video tutorial before installation. Removing dust and aligning it properly with the help of the included installation frame before actual installation, enjoy your screen as if it wasn't there.
- 99.99% High-definition clear hydrophobic and oleophobic screen coating protects against sweat and oil residue from fingerprints, and enhance the visibility of the screen.
- Cancellation or no selection: return to the prior screen without presenting it as a failure.
- Missing requested value: ask the person to enter that value manually rather than assuming every contact record includes it.
- Unsupported picker: use a manual-entry route instead of requiring address-book access as a fallback.
- Direct contacts access: a picker does not prevent unrelated code paths from requesting broad access. Codename One notes that direct broad-reader calls may still trigger platform permissions.
Choose the picker when the task is narrow
If the feature needs a selected contact or a small set of fields, a system picker can avoid asking for access to the entire address book. The implementation is not identical across Android, iOS, and other framework ports: check the target platform’s supported fields and selection behavior, and retain a manual route for unavailable or incomplete results.
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IMBZBK 3 Pack Privacy Screen Protector for iPhone 14, Tempered Glass
- [Auto-Dusting Removal Installation] Includes everything you need with innovative automatic positioning, dust removal, and absorption technology, making the installation is just effortlessly easy in seconds. The installation tool is exclusively designed for Apple iPhone 14 6.1 inch, it will help you to install screen protectors without air Bubbles or imperfections, even if you don't have any experience.
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- Frontal Ultra HD & Original Touch: IMBZBK's privacy protector break through the defects of the blurred picture of the privacy glass films on the market, highly restore the best visual feast brought by the screen. Even more special...Our 0.28mm ultra-thin privacy glass innovatively applied a 9th gen oleophobic nano coating (top-notch skin-friendly), effectively reduces fingerprints, oil residue by 98% to make it smoother than the original screen!
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IMBZBK 3 Pack Privacy Screen Protector for iPhone 13, Tempered Glass
- [Auto-Dusting Removal Installation] Includes everything you need with innovative automatic positioning, dust removal, and absorption technology, making the installation is just effortlessly easy in seconds. The installation tool is exclusively designed for Apple iPhone 13 6.1 inch, it will help you to install screen protectors without air Bubbles or imperfections, even if you don't have any experience.
- True 25° Privacy Protection: Most privacy protector on the market only gives 30° viewing, IMBZBK's Privacy Coatings made of new materials from Germany with Microlourver Optical Technology, It offers optimum 25° degree peep (Smaller viewing angles mean stronger privacy protection). The screen is only visible to persons directly in front of the screen, maximum protection For your privacy & sensitive information, even your friends or colleagues sitting next to you also can't see on your messages.
- Military-Grade Shatterproof Protection: IMBZBK’s screen protector sets a new industry standard with Aerospace-Grade Glass and Nano-Ceramic Fusion technology, providing 10X stronger protection than standard 9H glass. Certified by international Military Standards and SGS, it offers 10X stronger protection against scratches, bumps, and drops. Rigorously tested with 220 lbs impacts, 10-foot drops, and 10,000+ scratches, it ensures your phone remains unscathed in any environment.
- Frontal Ultra HD & Original Touch: IMBZBK's privacy protector break through the defects of the blurred picture of the privacy glass films on the market, highly restore the best visual feast brought by the screen. Even more special...Our 0.28mm ultra-thin privacy glass innovatively applied a 9th gen oleophobic nano coating (top-notch skin-friendly), effectively reduces fingerprints, oil residue by 98% to make it smoother than the original screen!
- Camera Protector & Face ID Compatible: IMBZBK's camera protector made of 9H glass effectively protect entire lens from drops, scratches, other accidents. Nano electrostatic Automatic Adsorption Technology, easy installation and not easy to fall off. Special designed black circle compatible Night Shooting Function, brings you the original of beauty to every photo and video. Due to the precise opening for the front camera, the screen protector does not interfere with the Face ID feature.
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![PEHAEL for iPhone 17e/16e/14/13/13 Pro Privacy Screen Protector | 3 Pack, Installation kits, Anti-Spy Private, Anti-Scratch, 9H Tempered Glass, Case Friendly, [6.1 inch]](https://m.media-amazon.com/images/I/41zI43YJMYL._SL160_.jpg)
PEHAEL for iPhone 17e/16e/14/13/13 Pro Privacy Screen Protector | 3 Pack, Installation kits, Anti-Spy Private, Anti-Scratch, 9H Tempered Glass, Case Friendly, [6.1 inch]
- [Compatible Models] - 3 Pack Privacy Glass Screen Protector for the iPhone 17e/iPhone 16e/iPhone 14/iPhone 13/iPhone 13 Pro(6.1 inch). Includes 3 privacy screen protectors and a cleaning kit. *Two types of packaging boxes are randomly shipped.
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