Visibility Toggles for Sensitive Input Fields on Mobile Platforms
Controls designed to allow users to temporarily reveal the content of sensitive data entry fields are a common user interface element. These controls typically function by switching the masked representation of the input (e.g., asterisks or circles) to the actual characters entered, and then reverting when the control is deactivated.
Purpose and Benefits
- Improved User Experience: Allows users to verify the accuracy of entered sensitive information such as credentials, reducing errors that might lead to authentication failures.
- Accessibility: Some users may struggle with masked input, making it easier for them to confirm what they have typed.
- Error Reduction: Visually confirming input accuracy lessens the likelihood of mistyping information.
Implementation Approaches
Multiple strategies are used in software development to achieve this functionality, varying based on the specific framework or platform.
Graphical Element
A graphical representation, usually an eye icon, signals the state change. Clicking or tapping this icon toggles the visibility of the data field's content.
State Management
The state of the visual representation (revealed or hidden) needs to be managed. A boolean value is used to keep track of this and update the display accordingly.
Input Field Type Modification
The type of input field can be dynamically modified, from a secured, obscured text input field to a regular, visible text input field. This should be done with the proper security considerations in mind.
Security Considerations
- Brief Visibility: The content should only be revealed temporarily, upon user interaction with the toggle.
- Screen Recording Protection: Safeguards to prevent sensitive data from being captured during screen recordings are important, though complex to implement.
- Accessibility Compliance: Confirm that the method employed adheres to accessibility standards, ensuring usability for all users.
Design Best Practices
- Clear Indication: The control's current state (visible or hidden) must be clearly communicated to the user.
- Placement: The control should be placed in close proximity to the input field it affects.
- Touch Target Size: If the control is touch-based, the touch target area must be large enough for ease of use.