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Ramanpreet Nara 08d87cdacc Introduce ReactPackageTurboModuleManagerDelegate

Summary:
## Summary
People use `ReactPackage` instances to create NativeModules. To make the migration from NativeModule to TurboModule easy, I'm introducing a `TurboModuleManagerDelegate` that understands `ReactPackage`s, and uses them to lookup and create the Java TurboModule objects. This way, we don't have to change the way we declare NativeModules for the migration.

## TurboModule registration
Each application should have its own subclass of `ReactPackageTurboModuleManagerDelegate`. This subclass is a hybrid class with a C++ and a Java part. The Java part can (and probably should) do nothing (for now). The C++ part has to implement the `moduleName -> jni::HostObject` and `moduleName, javaInstance -> jni::HostObject` functions for all TurboModules in the application.

**Use Case: Migrating a NativeModule to TurboModule system**
1. Make the Java NativeModule extend `TurboModule`. (The reason why this doesn't happen automatically is probably because we haven't changed the Java codegen yet).
2. Modify the `moduleName -> jni::HostObject` or `moduleName, javaInstance -> jni::HostObject` functions to return the `TurboModule`.

**Use Case: Adding a new TurboModule**
1. Add the TurboModule to a `ReactPackage` in the application.
2. Modify the `moduleName -> jni::HostObject` or `moduleName, javaInstance -> jni::HostObject` functions to return the TurboModule `jsi::HostObject`.

**Note:** It's also possible to declare TurboModules by overriding the `getModule(String moduleName)` function of `ReactPackageTurboModuleManagerDelegate`. It's not a good idea, because it'll make switching between the NativeModule/TurboModule system difficult.

Reviewed By: mdvacca

Differential Revision: D15209129

fbshipit-source-id: 4b0a303595145be9b19d6f4934f956b91990f859

2019-05-22 13:16:13 -07:00

libs

Upgrade Android support library to version 28 in RN

2019-01-22 10:44:53 -08:00

src

Introduce ReactPackageTurboModuleManagerDelegate

2019-05-22 13:16:13 -07:00

.npmignore

Don't publish /ReactAndroid/build to npm, update version on master

2015-10-12 11:11:40 -07:00

build.gradle

revert gradle download plugin import (#24863 )