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How to enable continuous location tracking in the background
Swift version: 5.10 Continuous location tracking allows an app to monitor a user’s location even when it is running in the background. This is useful for navigation apps, fitness tracking, and geofencing. However, background location tracking must be used responsibly to preserve battery life and comply with Apple’s privacy guidelines. Prerequisites To track location in the…
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Detect when an app is running in the background or foreground
Swift version: 5.10 Detecting whether your app is in the foreground or background is useful for managing resources, pausing tasks, or updating UI elements only when the app is active. iOS provides lifecycle notifications to track these state changes. Prerequisites To monitor the app’s state, you need to: 1. Use UIApplication lifecycle notifications. 2. Implement scene lifecycle methods (for…
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How to play audio in the background using AVFoundation
Swift version: 5.10 Playing audio in the background allows your app to continue audio playback even when the user switches to another app or locks their device. This is essential for apps like music players, podcast apps, or meditation apps. Prerequisites To enable background audio playback, you need to: 1. Configure your Info.plist file. 2. Set up an AVAudioSession to…
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How to prevent screenshot and screen recording Swift apps
Swift version: 5.10 In some cases, especially for apps that handle sensitive user data, it’s important to prevent screenshots and screen recordings to enhance security. Apple provides ways to block these actions to protect confidential information. To get started, you need to modify your app’s behavior using UIScreen and UIApplication. Method 1: Prevent Screenshots and Screen Recording Using Secure…
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How to use Face ID to authenticate users
Swift version: 5.10 Face ID offers a secure and convenient method for users to authenticate themselves using facial recognition. Just like Touch ID, Face ID leverages the biometric information registered on the device. Importantly, your app cannot access these facial data directly, ensuring privacy and security. Prerequisites Before getting started, you need to import the LocalAuthentication framework: When…
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How to use Touch ID to authenticate users by fingerprint
Swift version: 5.10 Touch ID is an easy and secure way for users to authenticate themselves, which is why it has become so popular among apps. When using Touch ID, authentication is done using fingerprints registered by the user, and your app never has direct access to those fingerprints. This ensures both security and a…