dependencies {
  ...
  implementation 'com.chansos.libs:rxkotlin:0.4.1'
  ...
}

override fun onCreate() {
  super.onCreate()
  Kt.App.init(this.applicationContext)
}

// Get application context instance.
Kt.App.getContext(): Context

// Get application resources instance.
Kt.App.getResources(): Resources

// Get last activity instance of activity stack.
Kt.App.last(): Activity

// Exit application.
Kt.App.exit()

@PageLayoutId(R.layout.activity_first)
@PageOptions(title = "FirstActivity")
class FirstActivity : BaseActivity() {}

@PageLayoutId(R.layout.fragment_first)
class FirstFragment : BaseFragment() {}

@PageLayoutId(R.layout.fragment_first)
class FirstFragment : BaseViewPagerFragment(){
  override fun onInitialize() {
  // Initialize instance.
  }

  override fun onFirstTime() {
  // On this page first time resume.
  }

  override fun onSecondTime() {
  // On this page second time resume.
  }
}

class ImageListAdapter : BaseRecyclerViewAdapter<String>() {
  override fun getRootLayoutResId(): Int {
  // Return content view layout resources id.
    return R.layout.item_image
  }

  override fun onViewCreate(view: View) {
  // Set content view attributes.
  }

  override fun onBind(viewHolder: BaseRecyclerViewHolder, data: String, position: Int) {
  // Set content view informations.
    viewHolder.setImage(R.id.image_view, data)
  }
}

// implements BaseRecyclerViewAdapter.OnItemClickListener,BaseRecyclerViewAdapter.OnItemLongClickListener
val adapter = ImageListAdapter()
adapter.onItemClickListener = this
adapter.onItemLongClickListener = this
adapter.setDataList(imageList)

interface Contract : BaseContract {
  interface View : BaseContract.BaseView{}

  interface Presenter : BaseContract.BasePresenter {}
}

import com.chansos.rxandroid.kotlin.module.first.Presenter;

@PageLayoutId(R.layout.fragment_first)
class FirstFragment : BaseViewPagerFragment(), Contract.View {
  @Autowire
  private lateinit var presenter: Presenter
}

class Presenter : Contract.Presenter {
  private lateinit var view: Contract.View
}

@Domain("https://www.chansos.com/api/")
@BaseUrl("article/")
interface Test {
  @GET("project")
  fun projectList(@Query("page") page: Int, @Query("size") size: Int, @Query("query") query: String?=""): Observable<ProjectModel>
}

class ProjectModel() : Parcelable {
  ...
}

Kt.Request
  .create<ProjectModel>(view as BaseActivity)
  .api(Kt.Request.api(Test::class.java).projectList(1, 2))
  .obs(Obs(view as BaseActivity))

class Obs(activity: BaseActivity) : Kt.Observer<ProjectModel>(activity) {
  override fun onNext(t: ProjectModel) {
    LogUtils.d(JSON.toJSONString(t))
  }

  override fun onError(e: Throwable) {
    super.onError(e)
    LogUtils.e(e)
  }
}

// Register
Kt.Broadcast.register(): Boolean

// Unregister
Kt.Broadcast.unregister(): Boolean

// Send Broadcast
Kt.Broadcast.send()

// Send Broadcast Synchronized
Kt.Broadcast.sendSync()

// Create
Kt.Handler.create(): Handler?

// Send Empty Message
Kt.Handler.what(): Boolean

// Send Message Instance.
Kt.Handler.send(): Boolean

// Send Config
Kt.Handler.sendMessage(): Boolean

// Remove Message
Kt.Handler.remove()

// Obtain Message
Kt.Handler.obtainMessage(): Message

// Check
Kt.Permission.check(): Boolean

// Request Permission
Kt.Permission.request()

// Set
Kt.SharedPreferences.set(key, value)

// Get
Kt.SharedPreferences.get(key, <T>, default): T?

// Show toast layout.
Kt.UI.showToast()

// Show loading dialog.
Kt.UI.showLoading()

// Hide loading dialog.
Kt.UI.hideLoading()

// Bind click listener.
Kt.UI.bindClick()

// Bind long click listener.
Kt.UI.bindLongClick()

// Quick navigation to another activity.
Kt.UI.quickTo()

// Navigation to another activity for result.
Kt.UI.quickToForResult()

// Find view by id of layout.
Kt.UI.get()

// Load image.
Kt.Image.load()

// Load image of no cache.
Kt.Image.noCacheLoad()