feat!: drop support for Flipper

BREAKING CHANGE: Dropped support for Flipper.

For more context, see
react-native-community/discussions-and-proposals#641.

Author: tido64

.github/workflows/build.yml

@@ -232,7 +232,7 @@ jobs:
       - name: Install Pods
         if: ${{ steps.affected.outputs.ios != '' }}
         run: |
-          USE_FLIPPER=0 pod install --project-directory=${{ steps.configure.outputs.project-directory }}
+          pod install --project-directory=${{ steps.configure.outputs.project-directory }}
         working-directory: template-example
       - name: Build
         if: ${{ steps.affected.outputs.ios != '' }}

android/app/build.gradle

@@ -62,7 +62,6 @@ project.ext.react = [
     bundleInRelease      : false,
     enableCamera         : !getSingleAppMode(),
     enableFabric         : isFabricEnabled(project),
-    enableFlipper        : getFlipperVersion(rootDir),
     enableHermes         : true,
     enableNewArchitecture: enableNewArchitecture,
 ]
@@ -116,11 +115,6 @@ android {
         buildConfigField "String", "ReactTestApp_appManifest", "\"${appManifest}\""
         buildConfigField "String", "ReactTestApp_appManifestChecksum", "\"${checksum}\""
 
-        def recommendedFlipperVersion = getFlipperRecommendedVersion(rootDir)
-        buildConfigField "String",
-                         "ReactTestApp_recommendedFlipperVersion",
-                         recommendedFlipperVersion ? "\"${recommendedFlipperVersion}\"" : "\"0\""
-
         def singleApp = getSingleAppMode()
         buildConfigField "String", "ReactTestApp_singleApp", singleApp ? "\"${singleApp}\"" : "null"
 
@@ -319,10 +313,6 @@ android {
                 ? "src/reactapplication-pre-0.73/java"
                 : "src/reactapplication-0.73/java",
         ]
-
-        if (project.ext.react.enableFlipper) {
-            debug.java.srcDirs += "src/flipper/java"
-        }
     }
 
     splits {
@@ -398,21 +388,6 @@ dependencies {
         implementation libraries.androidCameraMlKitVision
         implementation libraries.mlKitBarcodeScanning
     }
-
-    if (project.ext.react.enableFlipper) {
-        logger.warn("\nFlipper is deprecated and is removed from react-native in 0.74")
-        logger.warn("\nFlipper will be removed from react-native-test-app in 3.0")
-        def flipperVersion = project.ext.react.enableFlipper
-        debugImplementation("com.facebook.flipper:flipper:${flipperVersion}") {
-            exclude(group: "com.facebook.fbjni")
-        }
-        debugImplementation("com.facebook.flipper:flipper-fresco-plugin:${flipperVersion}") {
-            exclude(group: "com.facebook.flipper")
-        }
-        debugImplementation("com.facebook.flipper:flipper-network-plugin:${flipperVersion}") {
-            exclude(group: "com.facebook.flipper")
-        }
-    }
 }
 
 if (!usePrefabs) {

android/app/src/flipper/java/com/microsoft/reacttestapp/ReactNativeFlipper.kt

@@ -4,7 +4,6 @@ import android.app.Activity
 import android.app.Application
 import android.content.Context
 import android.net.Uri
-import android.util.Log
 import com.facebook.hermes.reactexecutor.HermesExecutorFactory
 import com.facebook.react.PackageList
 import com.facebook.react.ReactInstanceManager
@@ -13,7 +12,6 @@ import com.facebook.react.bridge.JSIModulePackage
 import com.facebook.react.bridge.JavaScriptExecutorFactory
 import com.facebook.react.bridge.ReactContext
 import com.facebook.react.devsupport.interfaces.DevSupportManager
-import com.facebook.react.modules.systeminfo.ReactNativeVersion
 import com.facebook.react.packagerconnection.PackagerConnectionSettings
 import com.facebook.soloader.SoLoader
 import com.microsoft.reacttestapp.BuildConfig
@@ -81,26 +79,6 @@ class TestAppReactNativeHost(
 
         beforeReactNativeInit()
         reactInstanceManager.createReactContextInBackground()
-
-        if (BuildConfig.DEBUG) {
-            try {
-                Class.forName("com.microsoft.reacttestapp.ReactNativeFlipper")
-                    .getMethod("initialize", Context::class.java, ReactInstanceManager::class.java)
-                    .invoke(null, application, reactInstanceManager)
-            } catch (e: ClassNotFoundException) {
-                val flipperVersion = BuildConfig.ReactTestApp_recommendedFlipperVersion
-                if (flipperVersion != "0") {
-                    val major = ReactNativeVersion.VERSION["major"] as Int
-                    val minor = ReactNativeVersion.VERSION["minor"] as Int
-                    Log.i(
-                        "ReactTestApp",
-                        "To use Flipper, define `FLIPPER_VERSION` in your `gradle.properties`. " +
-                            "Since you're using React Native $major.$minor, we recommend setting " +
-                            "`FLIPPER_VERSION=$flipperVersion`."
-                    )
-                }
-            }
-        }
     }
 
     fun addReactInstanceEventListener(listener: (ReactContext) -> Unit) {

android/app/src/main/java/com/microsoft/reacttestapp/react/TestAppReactNativeHost.kt

@@ -134,34 +134,6 @@ ext.getArchitectures = {
     return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
 }
 
-// TODO: this will not work 0.74 onward.
-ext.getFlipperRecommendedVersion = { baseDir ->
-    def reactNativePath = findNodeModulesPath("react-native", baseDir)
-    def props = new Properties()
-    file("${reactNativePath}/template/android/gradle.properties").withInputStream {
-        props.load(it)
-    }
-
-    return props.getProperty("FLIPPER_VERSION")
-}
-
-ext.getFlipperVersion = { baseDir ->
-    def recommendedFlipperVersion = getFlipperRecommendedVersion(baseDir)
-    if (recommendedFlipperVersion == null) {
-        // Current React Native version doesn't support Flipper
-        return null
-    }
-
-    // Prefer user specified Flipper version
-    if (project.hasProperty("FLIPPER_VERSION")) {
-        def flipperVersion = project.getProperty("FLIPPER_VERSION")
-        return flipperVersion == "false" ? null : flipperVersion
-    }
-
-    // Use the recommended Flipper version
-    return recommendedFlipperVersion
-}
-
 ext.getManifest = {
     if (manifest == null) {
         def manifestFile = findFile("app.json")

android/test-app-util.gradle

@@ -27,11 +27,6 @@ android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
 android.enableJetifier=true
 
-# Version of Flipper to use with React Native. Default value is whatever React
-# Native defaults to. To enable Flipper, set the value to `X.Y.Z` (version you want to use).
-# To disable Flipper, set it to `false`.
-FLIPPER_VERSION=false
-
 # Use this property to specify which architecture you want to build.
 # You can also override it from the CLI using
 # ./gradlew <task> -PreactNativeArchitectures=x86_64

example/android/gradle.properties

@@ -2,8 +2,6 @@ require_relative '../node_modules/react-native-test-app/test_app'
 
 workspace 'Example.xcworkspace'
 
-use_flipper! false unless ENV['USE_FLIPPER'] == '1'
-
 options = {
   :fabric_enabled => false,
   :hermes_enabled => false,

example/ios/Podfile

@@ -51,19 +51,6 @@ final class ReactInstance: NSObject, RNXHostConfig {
             andEventID: AEEventID(kAEGetURL)
         )
         #endif
-
-        #if USE_FLIPPER
-        if let flipper = FlipperClient.shared() {
-            flipper.add(FlipperKitLayoutPlugin(
-                rootNode: UIApplication.shared,
-                with: SKDescriptorMapper(defaults: ())
-            ))
-            flipper.add(FKUserDefaultsPlugin(suiteName: nil))
-            flipper.add(FlipperKitReactPlugin())
-            flipper.add(FlipperKitNetworkPlugin(networkAdapter: SKIOSNetworkAdapter()))
-            flipper.start()
-        }
-        #endif
     }
 
     init(forTestingPurposesOnly: Bool) {

ios/ReactTestApp/ReactInstance.swift

@@ -16,15 +16,6 @@
 
 @import ReactTestApp_DevSupport;
 
-#if USE_FLIPPER
-#import <FlipperKit/FlipperClient.h>
-#import <FlipperKitLayoutPlugin/FlipperKitLayoutPlugin.h>
-#import <FlipperKitNetworkPlugin/FlipperKitNetworkPlugin.h>
-#import <FlipperKitReactPlugin/FlipperKitReactPlugin.h>
-#import <FlipperKitUserDefaultsPlugin/FKUserDefaultsPlugin.h>
-#import <SKIOSNetworkPlugin/SKIOSNetworkAdapter.h>
-#endif  // USE_FLIPPER
-
 #import "React+Compatibility.h"
 #import "UIViewController+ReactTestApp.h"
 

ios/ReactTestApp/ReactTestApp-Bridging-Header.h

@@ -51,14 +51,6 @@ def platform_config(key, project_root, target_platform)
   config[key] if !config.nil? && !config.empty?
 end
 
-def flipper_enabled?
-  @flipper_versions != false
-end
-
-def flipper_versions
-  @flipper_versions != false && (@flipper_versions || {})
-end
-
 def nearest_node_modules(project_root)
   path = find_file('node_modules', project_root)
   assert(!path.nil?, "Could not find 'node_modules'")
@@ -194,10 +186,6 @@ def resources_pod(project_root, target_platform, platforms)
   Pathname.new(app_dir).relative_path_from(project_root).to_s
 end
 
-def use_flipper!(versions = {})
-  @flipper_versions = versions
-end
-
 def use_react_native!(project_root, target_platform, options)
   react_native = react_native_path(project_root, target_platform)
   version = package_version(react_native.to_s).segments
@@ -208,9 +196,7 @@ def use_react_native!(project_root, target_platform, options)
   include_react_native!(**options,
                         app_path: find_file('package.json', project_root).parent.to_s,
                         path: react_native.relative_path_from(project_root).to_s,
-                        rta_flipper_versions: flipper_versions,
-                        rta_project_root: project_root,
-                        rta_target_platform: target_platform)
+                        rta_project_root: project_root)
 end
 
 def make_project!(xcodeproj, project_root, target_platform, options)
@@ -315,7 +301,6 @@ def make_project!(xcodeproj, project_root, target_platform, options)
   build_number = platform_config('buildNumber', project_root, target_platform)
   build_settings['PRODUCT_BUILD_NUMBER'] = build_number || '1'
 
-  supports_flipper = target_platform == :ios && flipper_enabled?
   use_fabric = fabric_enabled?(options, rn_version)
   use_turbomodule = new_architecture_enabled?(options, rn_version)
 
@@ -332,19 +317,13 @@ def make_project!(xcodeproj, project_root, target_platform, options)
         (rn_version >= v(0, 71, 0) && rn_version < v(0, 71, 4)) ||
         (rn_version.positive? && rn_version < v(0, 70, 14))
       target.build_configurations.each do |config|
-        use_flipper = config.name == 'Debug' && supports_flipper
-
         config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= ['$(inherited)']
         config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << version_macro
         config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'USE_FABRIC=1' if use_fabric
         if enable_cxx17_removed_unary_binary_function
           config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] <<
             '_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION=1'
         end
-        if use_flipper
-          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'FB_SONARKIT_ENABLED=1'
-          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'USE_FLIPPER=1'
-        end
         if use_turbomodule
           config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'FOLLY_NO_CONFIG=1'
           config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'RCT_NEW_ARCH_ENABLED=1'
@@ -357,10 +336,6 @@ def make_project!(xcodeproj, project_root, target_platform, options)
 
         config.build_settings['OTHER_SWIFT_FLAGS'] ||= ['$(inherited)']
         config.build_settings['OTHER_SWIFT_FLAGS'] << '-DUSE_FABRIC' if use_fabric
-        if use_flipper
-          config.build_settings['OTHER_SWIFT_FLAGS'] << '-DFB_SONARKIT_ENABLED'
-          config.build_settings['OTHER_SWIFT_FLAGS'] << '-DUSE_FLIPPER'
-        end
         config.build_settings['OTHER_SWIFT_FLAGS'] << '-DUSE_TURBOMODULE' if use_turbomodule
         if single_app.is_a? String
           config.build_settings['OTHER_SWIFT_FLAGS'] << '-DENABLE_SINGLE_APP_MODE'
@@ -455,11 +430,6 @@ def use_test_app_internal!(target_platform, options)
 
     installer.pods_project.targets.each do |target|
       case target.name
-      when /\AFlipper/, 'libevent'
-        target.build_configurations.each do |config|
-          # Flipper and its dependencies log too many warnings
-          config.build_settings['WARNING_CFLAGS'] = ['-w']
-        end
       when /\AReact/
         target.build_configurations.each do |config|
           # Xcode 10.2 requires suppression of nullability for React