Create Android Library📚

Haider Qadir

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In software development, library refers to a collection of pre-written code, routines, functions, classes, or modules that are compiled and stored for reuse. These code snippets or components are designed to perform specific tasks or provide specific functionality, and they can be integrated into software projects to save time and effort by avoiding the need to write everything from scratch.

Libraries serve several important purposes in software development:

  1. Code Reusability: Libraries allow developers to reuse well-tested and well-documented code. Instead of reinventing the wheel for common tasks, developers can simply integrate a library that already provides the desired functionality.
  2. Efficiency: Libraries are typically optimized and well-implemented, which can improve the efficiency and performance of software. Developers can rely on the expertise of library authors to handle complex tasks.
  3. Standardization: Libraries often provide standardized solutions for common problems, ensuring consistency and reducing the chances of errors or bugs.
  4. Community Contribution: Many libraries are open source, meaning they are created and maintained by a community of developers. This collaborative approach can lead to high-quality, well-maintained, and frequently updated libraries.
  5. Focus on Expertise: Developers can focus on their core expertise or domain-specific challenges rather than getting bogged down in low-level implementation details.
  6. Faster Development: By leveraging existing libraries, developers can speed up the development process and focus on the unique aspects of their project rather than spending time on routine or generic tasks.

Overall, libraries are essential tools for software development, enabling developers to build applications more efficiently, maintainably, and with a focus on the unique aspects of their projects.

An Android library is a collection of compiled code and resources that developers can use to add specific functionality to their Android applications. These libraries are designed to be reusable and help developers save time by providing pre-written code for common tasks, components, or features. Android libraries can encompass a wide range of functionalities, from user interface components to networking, database management, image handling, and more.

Here are a few key points about Android libraries:

Getting Started 🚀

Simple Module Creation and Using in Same Project 🛠️

  1. Create a new project
  2. Now go to files -> modules -> new modules and create a module and select andorid library from left pane
  3. Sync project
  4. Go to build and select [make module]
  5. Now your module is ceated just implement it as a dependency in your module build.gradle file of project
    e.g (implementation project(“:your_project_name”))

Using and Importing a Module in Other Project

Now, if you have create a module/library and you want to use it in another project simply go to build and select [make module]

  1. Browse to the project directory directly or go the left pane in android studio and look for the library you created and right click on it and look for open in explorer, this will open the path in file explorer
    now go the location e.g project_name\library_name\build\outputs\aar
  2. Now, copy that file and go to android studio select the project view of the project and go to app -> libs ->and paste .aar file that location
  3. Now, implement it as a dependency in your module build.gradle file of project e.g implementation files(“libs/mylibrary.aar”)
  4. Add this line in settings.gradle file [include ‘:library_name’] dont’t add the [debug] word with your library name, as it sometimes mentioned with .aar file, just use the actual name in there.

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