Apps using PermissionsDispatcher

PermissionsDispatcher is a powerful and user-friendly Android library designed to simplify the process of handling runtime permissions in Android applications. This open-source tool, developed by Shintaro Katafuchi and maintained by a dedicated community, addresses one of the most common challenges faced by Android developers: managing permissions efficiently and effectively. With the introduction of runtime permissions in Android 6.0 (Marshmallow), developers needed a more streamlined approach to request and handle permissions, and PermissionsDispatcher emerged as a popular solution to this problem. The primary goal of PermissionsDispatcher is to reduce boilerplate code and make the permission-handling process more intuitive and less error-prone. It achieves this by using annotation processing to generate the necessary code for permission requests and callbacks. By leveraging annotations, developers can easily define which permissions are required for specific methods and how the application should respond to different permission states. One of the key features of PermissionsDispatcher is its ability to handle both single and multiple permission requests seamlessly. Developers can annotate methods with @RuntimePermissions and specify the required permissions using @NeedsPermission. This approach allows for a clean separation of concerns, keeping the permission logic separate from the main application code. PermissionsDispatcher also provides annotations for handling various permission-related scenarios, such as @OnShowRationale for displaying explanations to users about why certain permissions are necessary, @OnPermissionDenied for managing denied permissions, and @OnNeverAskAgain for addressing cases where users have chosen to permanently deny a permission. These annotations enable developers to create a more user-friendly and informative permission-requesting experience. The library supports all Android versions, including those prior to Android 6.0, ensuring backward compatibility and eliminating the need for complex version checks in the codebase. This feature allows developers to maintain a consistent approach to permission handling across different Android versions, simplifying the overall development process. Integration of PermissionsDispatcher into an Android project is straightforward, thanks to its comprehensive documentation and easy-to-follow examples. The library can be added to a project using popular dependency management tools like Gradle, making it accessible to developers of all skill levels. One of the standout advantages of PermissionsDispatcher is its minimal impact on app performance and size. The generated code is optimized and efficient, ensuring that the use of the library does not significantly increase the application's footprint or slow down its execution. For developers working on complex applications that require multiple permissions, PermissionsDispatcher offers a significant advantage in terms of code organization and maintainability. By centralizing permission-related logic and reducing the amount of manual code needed, the library helps prevent common errors and inconsistencies that can arise when dealing with permissions manually. PermissionsDispatcher also integrates well with other Android development tools and libraries, making it a versatile choice for projects of various sizes and complexities. Its compatibility with popular Android architecture components and frameworks ensures that it can be seamlessly incorporated into existing codebases without causing conflicts or requiring major refactoring.

• PermissionsDispatcher is a widely-used open-source library for Android that simplifies the process of handling runtime permissions in Android 6.0 (API level 23) and above.
• It uses annotation processing to generate boilerplate code for permission requests, reducing the amount of manual coding required and minimizing the risk of errors.
• The library supports both normal permissions and special permissions, such as system alert windows and write settings.
• PermissionsDispatcher provides a clean and intuitive API that allows developers to define permission-dependent methods using annotations, making the code more readable and maintainable.
• It automatically generates helper methods for checking permissions, requesting permissions, and handling permission results, streamlining the entire permission management process.
• The library offers callbacks for various permission states, including when permissions are granted, denied, or permanently denied by the user.
• PermissionsDispatcher supports nested callbacks, allowing developers to chain multiple permission requests and handle complex permission scenarios with ease.
• It provides a `@RuntimePermissions` annotation for classes that require runtime permissions, simplifying the setup process for permission handling.
• The library includes a `@NeedsPermission` annotation to mark methods that should be executed only when specific permissions are granted.
• PermissionsDispatcher offers an `@OnShowRationale` annotation to define custom rationale messages explaining why certain permissions are necessary for the app's functionality.
• It supports the `@OnPermissionDenied` annotation to define actions or UI updates when a permission is denied by the user.
• The library includes an `@OnNeverAskAgain` annotation to handle cases where the user has chosen to permanently deny a permission.
• PermissionsDispatcher automatically generates a `WithPermissionCheck` suffix for annotated methods, making it easy to invoke permission-protected functionality.
• It provides integration with various Android architecture components, including support for Kotlin coroutines and Flow.
• The library offers seamless integration with popular dependency injection frameworks like Dagger and Hilt.
• PermissionsDispatcher supports multi-module projects, allowing developers to use the library across different modules within a single Android application.
• It provides extensive documentation and samples, making it easy for developers to understand and implement the library in their projects.
• The library is actively maintained and regularly updated to support the latest Android versions and permission-related changes in the Android ecosystem.
• PermissionsDispatcher offers a ProGuard configuration to ensure proper obfuscation and optimization of generated code in release builds.
• It supports custom lint rules to catch common mistakes and enforce best practices when using the library in Android projects.

• PermissionsDispatcher is a widely used library for handling runtime permissions in Android applications. One common use case is when developing a camera app that requires access to the device's camera and storage. Instead of manually writing boilerplate code to request and handle permissions, developers can use PermissionsDispatcher to annotate their methods and generate the necessary code automatically. This simplifies the implementation process and ensures that permissions are handled correctly across different Android versions.
• Another use case for PermissionsDispatcher is in location-based apps that need to access the user's GPS coordinates. By using PermissionsDispatcher, developers can easily request and manage the necessary location permissions without having to worry about the complexities of Android's permission system. The library provides a clean and declarative way to specify which permissions are required for each feature, making it easier to maintain and update the app's permission requirements over time.
• PermissionsDispatcher is particularly useful when developing apps that require multiple permissions, such as social media or messaging apps. These apps often need access to contacts, storage, camera, and microphone permissions. By using PermissionsDispatcher, developers can easily manage all these permissions in a centralized and organized manner, reducing the likelihood of permission-related bugs and improving the overall user experience. The library also provides built-in support for explaining why certain permissions are needed, which can help increase user trust and acceptance of permission requests.
• For apps that need to access sensitive user data, such as health or fitness tracking applications, PermissionsDispatcher can be invaluable. These apps often require permissions to access the user's activity data, heart rate, or other biometric information. PermissionsDispatcher allows developers to implement a robust permission management system that respects user privacy and complies with data protection regulations. The library's annotation-based approach makes it easy to clearly define which permissions are required for specific features, ensuring that users are only prompted for necessary permissions.
• PermissionsDispatcher can also be beneficial for apps that need to perform background tasks or services. For example, a music streaming app might need to request permission to run in the background and access storage for offline playback. By using PermissionsDispatcher, developers can easily manage these permissions and ensure that the app functions correctly even when it's not in the foreground. The library's generated code handles all the necessary permission checks and callbacks, reducing the risk of crashes or unexpected behavior due to missing permissions.
• In the context of enterprise or productivity apps, PermissionsDispatcher can help streamline the development process for features that require access to calendar, contacts, or file systems. These apps often need to integrate with various device features and data sources, each requiring its own set of permissions. PermissionsDispatcher's annotation-based system allows developers to clearly specify permission requirements for each feature, making it easier to maintain and update the app as new features are added or requirements change. This can lead to more efficient development cycles and reduced time-to-market for new features.

• Android Runtime Permissions: Android's built-in permission system introduced in Android 6.0 (API level 23) allows developers to request permissions at runtime. This approach eliminates the need for third-party libraries and provides a native solution for handling permissions. Developers can use methods like requestPermissions() and onRequestPermissionsResult() to manage permission requests and responses. While this approach requires more manual coding compared to libraries like PermissionsDispatcher, it offers greater control and flexibility over the permission handling process.
• EasyPermissions: Developed by Google, EasyPermissions is a popular open-source library that simplifies the process of requesting runtime permissions on Android. It provides a clean and intuitive API for handling permissions, including support for rationale dialogs and permission callbacks. EasyPermissions offers features like requesting multiple permissions at once, handling permission denials, and managing permission rationales. The library is lightweight and easy to integrate into existing projects, making it a suitable alternative to PermissionsDispatcher.
• Dexter: Created by Karumi, Dexter is another widely-used permission handling library for Android. It offers a fluent API for managing runtime permissions, allowing developers to chain multiple permission requests and define custom behaviors for different scenarios. Dexter supports features like permission rationales, permanent denial handling, and multi-threading. The library's simple and expressive syntax makes it easy to implement complex permission workflows with minimal boilerplate code.
• RxPermissions: For developers working with Reactive Extensions (RxJava) in their Android projects, RxPermissions provides a reactive approach to handling runtime permissions. This library integrates seamlessly with RxJava workflows, allowing developers to treat permission requests as observable streams. RxPermissions simplifies asynchronous permission handling and can be easily combined with other reactive operations in the application. It supports features like checking multiple permissions, handling rationales, and managing permission results using RxJava operators.
• Android Permissions Dispatcher Plugin: While not a standalone library, the Android Permissions Dispatcher Plugin for Android Studio is a powerful tool that generates boilerplate code for runtime permission handling. This plugin works in conjunction with annotations to automatically generate the necessary permission-related code, reducing the amount of manual coding required. The generated code follows best practices for permission handling and can be customized to fit specific project requirements. Although it's not a direct alternative to PermissionsDispatcher, it offers a similar approach to simplifying permission management through code generation.
• Karumi Dexter: Developed by the same team behind Dexter, Karumi Dexter is an enhanced version of the original Dexter library. It builds upon the core functionality of Dexter while adding additional features and improvements. Karumi Dexter offers a more flexible API for handling complex permission scenarios, including support for custom permission rationales, fine-grained control over permission requests, and improved error handling. The library also provides better integration with Kotlin coroutines, making it a suitable choice for Kotlin-based Android projects.
• Grant: Grant is a lightweight and easy-to-use permission handling library for Android. It offers a simple API for requesting and managing runtime permissions, with support for both Java and Kotlin projects. Grant provides features like permission rationales, permanent denial handling, and the ability to request multiple permissions simultaneously. The library's minimalistic approach makes it a good choice for developers who want a straightforward solution without the complexity of larger permission libraries.
• Permissions Kotlin: Designed specifically for Kotlin-based Android projects, Permissions Kotlin leverages Kotlin's language features to provide a concise and expressive API for handling runtime permissions. The library uses Kotlin coroutines for asynchronous permission requests, making it easy to integrate with existing coroutine-based code. Permissions Kotlin offers features like permission rationales, multi-permission requests, and easy integration with Kotlin's flow API. Its Kotlin-first approach makes it an attractive alternative for developers working primarily with Kotlin in their Android projects.