* build: update Android build configurations

- Bump compile SDK version to 35 and build tools version to "35.0.0"
- Update target SDK version to 35
- Add namespace 'com.optimizely.optimizely_flutter_sdk'
- Enable buildConfig feature
- Update kotlin-stdlib-jdk7 to version 2.1.0
- Update jackson-databind to version 2.17.2
- Set minSdkVersion and targetSdkVersion to 35 for example app
- Update distributionUrl in gradle-wrapper.properties to Gradle 8.10.2
- Update android plugin version to 8.7.0 and kotlin-android version to 2.1.0

* build: update Android SDK versions

- Update compile SDK version to 36 and build tools version to "36.0.0"
- Change min SDK version to 21 and target SDK version to 36 in the Android build configuration
- Update compile SDK version to 36 and target SDK version to 36 in the example app build.gradle file

* fix: update android build configuration

- Update compile_sdk_version and build_tools_version to 35
- Remove target_sdk_version from ext
- Update compileSdkVersion and targetSdkVersion in app/build.gradle to 35

* refactor: update compile and target SDK versions

- Update compile SDK version to use project property if available, fallback to default
- Update target SDK version to use project property if available, fallback to default

* fix: remove conditional expressions for compileSdkVersion and targetSdkVersion

- Simplify specifying compileSdkVersion and targetSdkVersion directly from flutter configuration

…ptimizely#87)

* build: update minifyEnabled setting in release build

- Change minifyEnabled from true to false in the release buildType
- Update the ProGuard configuration to exclude javax.mail and javax.activation. classes

* chore: update ProGuard rules

- Keep necessary classes for Optimizely and Jackson libraries
- Keep Logback classes
- Remove unnecessary warnings for javax.mail classes
- Add ProGuard configuration to build.gradle for minification
- Update proguard-rules.txt in app folder

* build: enable resource shrinking in release build

- Add configuration to shrink resources for reducing APK size

* chore: update build configuration

- Remove 'minifyEnabled' setting from release build type in android/build.gradle
- Exclude javax.mail and javax.activation classes in proguard configuration
- Delete deprecated mail classes warning in proguard-rules.txt

* feat: add Android 15 support and update versions

- Update AGP version to 8.7.0
- Update gradle version to 8.10.2
- Update kotlin version to 2.1.0
- Update SDK version to 3.1.0 in README.md, package_info.dart, and pubspec.yaml

* feat: add Android 15 support and update dependencies

- Add Android 15 support
- Update AGP version to 8.7.0
- Update gradle version to 8.10.2
- Update kotlin version to 2.1.0

* Update date

* build: add Optimizely SDK logger classes

- Add FlutterOptimizelyLogger class implementing OPTLogger protocol
- Add constants for customLogger and loggerChannel
- Implement FlutterMethodChannel for invoking log method
- Add logger field to OptimizelyFlutterSdk constructor
- Initialize custom logger in OptimizelyClientWrapper
- Create LoggerBridge to handle log method calls
- Implement OptimizelyLogger interface and DefaultOptimizelyLogger class

* fix: resolve logging inconsistencies

- Update custom logger initialization in OptimizelyFlutterSdkPlugin
- Adjust logger channel setup in onDetachedFromEngine
- Refactor LoggerBridge to handle log calls from native Swift/Java code properly
- Ensure proper logging when no custom logger is set

* refactor: update logger imports

- Rename 'OptimizelyLogger.dart' to 'flutter_logger.dart'
- Rename 'LoggerBridge.dart' to 'logger_bridge.dart'
- Modify imports in 'optimizely_client_wrapper.dart' to reflect changes in logger files

* feat: add custom logger implementation

- Implement a custom logger class
- Define logLevel property with default debug level
- Define log method to print log messages with custom format

* refactor: rename logger classes in Android and iOS

- Rename FlutterOptimizelyLogger to OptimizelyFlutterLogger in Android
- Rename FlutterOptimizelyLogger to OptimizelyFlutterLogger in iOS

* feat: update logging behavior for Optimizely SDK

- Remove unused log level property in CustomLogger
- Implement channel setter method in OptimizelyFlutterLogger
- Add guard clauses for levels and logger channel availability in log method
- Update channel invocation to happen on main thread
- Set log level in SwiftOptimizelyFlutterSdkPlugin based on parameters
- Simplify DefaultOptimizelyLogger log method
- Update log message formatting in logger bridge for consistency

* feat: add methods and tests for logger state management

- Add methods to expose converting log level, checking if a custom logger is set, retrieving the current logger, and resetting the logger state
- Implement a method for simulating method calls
- Add tests for maintaining logger state across multiple operations
- Include a test for handling logger replacement
- Create tests for edge cases including handling empty messages and special characters

* feat: add separate logger channel for outgoing log calls

- Define LOGGER_CHANNEL constant for OptimizelyFlutterLogger class
- Set up separate FlutterMethodChannel for outgoing log calls
- Update SwiftOptimizelyFlutterSdkPlugin to use the new logger channel

* refactor: improve main thread dispatch for Flutter method channel calls

- Add DispatchQueue.main.async for each method call to ensure platform channel messages are sent on the correct thread

* chore: clean up logger implementation

- Remove unnecessary comments and TODOs
- Replace direct print statements with AppLogger methods
- Refactor AppLogger to enhance flexibility and ease of use

* style: update comment in sendLogToFlutter method

- Remove comparison to Swift's DispatchQueue.main.async

* chore: remove unused import statement

- Remove import statement for 'log_level' that is no longer used
- Update import paths for 'flutter_logger' and 'optimizely_flutter_sdk'

test: update test cases in logger_test.dart

- Update test cases to use 'const MethodCall' for creating method calls
- Change null and empty arguments to be created and handled correctly
- Fix missing level or message argument handling scenarios
- Improve handling of invalid level data types in method calls

docs: add comments to improve code clarity in logger_test.dart

- Add comments explaining the purpose of each test group and case
- Include comments for the different scenarios being tested in each case

* chore: update log messages and method channel handling

- Update log message format in CustomLogger class
- Refactor main thread dispatch logic for method channel calls in Utils.swift
- Enhance error handling and main thread dispatch in OptimizelyFlutterLogger.swift
- Modify method channel creation and task queue handling in SwiftOptimizelyFlutterSdkPlugin.swift

* refactor: enhance logging functionalities

- Replace usage of static AppLogger class with separate logging functions
- Introduce individual logger functions for error, warning, info, and debug levels
- Create a default stand-alone logger instance to handle logging operations

* test: add global logging functions test cases

- Test calling global logging functions without errors
- Test handling empty messages in global functions
- Test handling special characters in global functions
- Test handling rapid calls to global functions

* chore: remove custom logger functionality

- Remove code related to setting up and using a custom logger in OptimizelyFlutterClient.java
- Delete OptimizelyFlutterLogger.java file as it is no longer needed
- Update references to the logger channel in OptimizelyFlutterSdkPlugin.java

* refactor: rename customLogger to useCustomLogger

- Update 'Constants.swift' to change 'customLogger' to 'useCustomLogger'
- Update 'SwiftOptimizelyFlutterSdkPlugin.swift' to change 'customLogger' to 'useCustomLogger'
- Update 'optimizely_flutter_sdk.dart' to change 'logger' parameter to 'OptimizelyLogger'
- Update 'optimizely_client_wrapper.dart' to change 'customLogger' to 'useCustomLogger'
- Update 'constants.dart' to change 'customLogger' to 'useCustomLogger'

* clean up

* chore: add new classes for logging

- Add FlutterLogbackAppender.java for logging events in the Flutter app
- Integrate OptimizelyFlutterSdkPlugin with FlutterLogbackAppender
- Update Constants.swift, SwiftOptimizelyFlutterSdkPlugin.swift, and related classes

* refactor: update log level conversion logic

- Adjust method to correctly convert log level strings to integers
- Refactor switch statement for better readability and maintainability

* refactor: optimize log level conversion

- Remove unnecessary default log level value initialization
- Refactor switch statement to directly return log levels for each case
- Simplify comparison for warning log levels to include both "WARN" and "WARNING"

* style: update logback configuration and log levels

- Comment out configuration block in logback.xml
- Modify log level 'WARNING' to 'WARN' in FlutterLogbackAppender.java

* fix: ensure debugging logs are only printed in debug mode

- Add check for kDebugMode to control printing of logs

* chore: update logback.xml

- Comment out old logback configuration
- Add note explaining the use of FlutterLogbackAppender for logging