如何在Android Studio中添加jbcrypt库？求助：无法引入mindrot.org的jbcrypt

Got it, let's walk through how to add jBCrypt to your Android Studio project—there are two straightforward methods to get this set up, depending on your workflow:

Method 1: Use Gradle Dependency (Recommended) #

This is the easiest way since Gradle handles updates and dependencies automatically:

• Open your project's settings.gradle file (for newer Android Studio versions). Make sure mavenCentral() is listed in the repositories block:

  dependencyResolutionManagement {
      repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
      repositories {
          google()
          mavenCentral() // Ensure this line exists
      }
  }
  

• Next, open your app module's build.gradle (located at app/build.gradle). Add the jBCrypt dependency to the dependencies block:

  dependencies {
      // Your other dependencies here...
      implementation 'org.mindrot:jbcrypt:0.11' // Use the latest version available
  }
  

• Click the Sync Now button in the top-right corner of Android Studio. Once sync finishes, you can start using jBCrypt in your code:

  // Example: Hash a password
  String hashedPassword = BCrypt.hashpw("yourPlainTextPassword", BCrypt.gensalt());
  
  // Example: Verify a password
  boolean passwordMatches = BCrypt.checkpw("inputPassword", hashedPassword);
  

Method 2: Manually Import the JAR File #

If you prefer to handle the JAR file directly (e.g., if you need a specific older version):

• Download the jBCrypt JAR file from the official project page.
• In your Android Studio project, right-click the app module -> New -> Directory, and name it libs.
• Copy the downloaded JAR file into the libs folder.
• Right-click the JAR file in Android Studio and select Add as Library. Choose your app module in the popup and click OK.
• Gradle will automatically add this line to your app's build.gradle dependencies block:

  implementation files('libs/jbcrypt-0.11.jar')
  

• Run a Gradle sync, and you're ready to use the library.

Notes to Keep in Mind #

• Min SDK Version: jBCrypt works with most Android versions (API 16 and above should be fine, but double-check if you're targeting very old devices).
• ProGuard/R8 Obfuscation: If you're using code obfuscation, add this line to your proguard-rules.pro file to prevent jBCrypt classes from being stripped:

  -keep class org.mindrot.jbcrypt.** { *; }
  

内容的提问来源于stack exchange，提问作者Nic Parmee