AppJoint

Project Url: PrototypeZ/AppJoint
Introduction: 🔧 Cross module Android development made easy!
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Simple tool to make your multi-module Android development easier!

Only 3 annotations and 1 function call are included.

Getting started

  1. Add the AppJoint plugin dependency to the build.gradle file in project root:
buildscript {
    ...
    dependencies {
        ...
        classpath 'io.github.prototypez:app-joint:{latest_version}'
    }
}
  1. Add the AppJoint dependency to every module:
dependencies {
    ...
    implementation "io.github.prototypez:app-joint-core:{latest_version}"
}

Currently the latest version is: Download

  1. Apply the AppJoint plugin to your main app module:
apply plugin: 'com.android.application'
apply plugin: 'app-joint'

Cross module method invocation

Assuming the router module is a common module that all the other modules depend on it. Then we can define interfaces that each module wish to provide for other modules to use in the router module. For example, the module1 module provides the Module1Service interface for other modules to use:

interface Module1Service {

  /**
   * start Activity from moduel1
   */
  fun startActivityOfModule1(context: Context)

  /**
   * get Fragment from module1 
   */
  fun obtainFragmentOfModule1(): Fragment

  /**
   * call synchronous method from module1
   */
  fun callMethodSyncOfModule1(): String

  /**
   * call asynchronous method from module1
   */
  fun callMethodAsyncOfModule1(callback: Module1Callback<Module1Entity>)

  /**
   * get RxJava Observable from module1 
   */
  fun observableOfModule1(): Observable<Module1Entity>
}

Then we write an implementation of it inside the module1 module:

@ServiceProvider
class Module1ServiceImpl : Module1Service {
  override fun startActivityOfModule1(context: Context) {
    Module1Activity.start(context)
  }

  override fun obtainFragmentOfModule1(): Fragment {
    return Module1Fragment.newInstance()
  }

  override fun callMethodSyncOfModule1(): String {
    return "syncMethodResultModule1"
  }

  override fun callMethodAsyncOfModule1(callback: Module1Callback<Module1Entity>) {
    Thread { callback.onResult(Module1Entity("asyncMethodResultModule1")) }.start()
  }

  override fun observableOfModule1(): Observable<Module1Entity> {
    return Observable.just(Module1Entity("rxJavaResultModule1"))
  }
}

Note that we add a @ServiceProvider annotation on the class。

Now, we can get the instance of Module1Service anywhere in any module,as long as we write the codes below:

Module1Service service = AppJoint.service(Module1Service.class);

Merge custom Application logic of modules

You can create a custom Application class for each module in order to run the module standalone, for example:

@ModuleSpec
class Module1Application : Application() {

  override fun onCreate() {
    super.onCreate()
    // do module1 initialization
    Log.i("module1", "module1 init is called")
  }
}

Note that the custom Application class is annotated with the @ModuleSpec annotation.

Then add the @AppSpec annotation to the custom Application class of your main application module.

@AppSpec
class App : Application() {
  override fun onCreate() {
    super.onCreate()
    Log.i("app", "app init is called")
  }
}

AppJoint can ensure that, when the lifecycle methods(such as onCreate, attachBaseContext) of the class annotated with @AppSpec are called, the same lifecycle methods of the class annoatated with @ModuleSpec will be called, too.

FAQ

  • Q: Does AppJoint support Instant Run?

    A: Yes,it's based on Transform API, so no problem.

  • Q: Do I need to add any Proguard rules for release?

    A: No, there's no reflection, so you are safe to use Proguard.

LICENSE

Copyright (c) 2016-present, AppJoint Contributors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
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