add sourceSets for new package signatures

android/build.gradle

@@ -173,6 +173,15 @@ android {
                 // codegen turned off
                 srcDirs += 'paper/src/main/java'
             }
+
+            if (REACT_NATIVE_MINOR_VERSION >= 77) {
+                // With RN 0.77, ViewManager related functions in the package has different signatures as they 
+                // are no longer nullable
+                srcDirs += 'package77/src/main/java'
+            } else {
+                // It's safe to delete this block once we drop support for RN 0.76
+                srcDirs += 'packageDeprecated/src/main/java'
+            }
         }
     }
 

android/package77/src/main/java/com/swmansion/gesturehandler/RNGestureHandlerPackage.kt

@@ -0,0 +1,85 @@
+package com.swmansion.gesturehandler
+
+import com.facebook.react.BaseReactPackage
+import com.facebook.react.ViewManagerOnDemandReactPackage
+import com.facebook.react.bridge.ModuleSpec
+import com.facebook.react.bridge.NativeModule
+import com.facebook.react.bridge.ReactApplicationContext
+import com.facebook.react.module.annotations.ReactModule
+import com.facebook.react.module.annotations.ReactModuleList
+import com.facebook.react.module.model.ReactModuleInfo
+import com.facebook.react.module.model.ReactModuleInfoProvider
+import com.facebook.react.uimanager.ViewManager
+import com.swmansion.gesturehandler.react.RNGestureHandlerButtonViewManager
+import com.swmansion.gesturehandler.react.RNGestureHandlerModule
+import com.swmansion.gesturehandler.react.RNGestureHandlerRootViewManager
+
+@ReactModuleList(
+  nativeModules = [
+    RNGestureHandlerModule::class
+  ]
+)
+class RNGestureHandlerPackage : BaseReactPackage(), ViewManagerOnDemandReactPackage {
+  private val viewManagers: Map<String, ModuleSpec> by lazy {
+    mapOf(
+      RNGestureHandlerRootViewManager.REACT_CLASS to ModuleSpec.viewManagerSpec {
+        RNGestureHandlerRootViewManager()
+      },
+      RNGestureHandlerButtonViewManager.REACT_CLASS to ModuleSpec.viewManagerSpec {
+        RNGestureHandlerButtonViewManager()
+      }
+    )
+  }
+
+  override fun createViewManagers(reactContext: ReactApplicationContext) =
+    listOf<ViewManager<*, *>>(
+      RNGestureHandlerRootViewManager(),
+      RNGestureHandlerButtonViewManager()
+    )
+
+  override fun getViewManagerNames(reactContext: ReactApplicationContext) =
+    viewManagers.keys.toList()
+
+  override fun getViewManagers(reactContext: ReactApplicationContext): MutableList<ModuleSpec> =
+    viewManagers.values.toMutableList()
+
+  override fun createViewManager(
+    reactContext: ReactApplicationContext,
+    viewManagerName: String
+  ) = viewManagers[viewManagerName]?.provider?.get() as? ViewManager<*, *>
+
+  override fun getModule(name: String, reactContext: ReactApplicationContext): NativeModule? {
+    return if (name == RNGestureHandlerModule.NAME) {
+      RNGestureHandlerModule(reactContext)
+    } else {
+      null
+    }
+  }
+
+  override fun getReactModuleInfoProvider(): ReactModuleInfoProvider {
+    try {
+      val reactModuleInfoProviderClass =
+        Class.forName("com.swmansion.gesturehandler.RNGestureHandlerPackage$\$ReactModuleInfoProvider")
+      return reactModuleInfoProviderClass.getDeclaredConstructor().newInstance() as ReactModuleInfoProvider
+    } catch (e: ClassNotFoundException) {
+      return ReactModuleInfoProvider {
+        val reactModule: ReactModule = RNGestureHandlerModule::class.java.getAnnotation(ReactModule::class.java)!!
+
+        mutableMapOf(
+          RNGestureHandlerModule.NAME to ReactModuleInfo(
+            reactModule.name,
+            RNGestureHandlerModule::class.java.name,
+            reactModule.canOverrideExistingModule,
+            reactModule.needsEagerInit,
+            reactModule.isCxxModule,
+            true
+          )
+        )
+      }
+    } catch (e: InstantiationException) {
+      throw RuntimeException("No ReactModuleInfoProvider for RNGestureHandlerPackage$\$ReactModuleInfoProvider", e)
+    } catch (e: IllegalAccessException) {
+      throw RuntimeException("No ReactModuleInfoProvider for RNGestureHandlerPackage$\$ReactModuleInfoProvider", e)
+    }
+  }
+}