Moviper | A Mosby based VIPER library for Android | Model View Controller library

class MainActivity : ViperAiPassiveActivity<HomeContract.View>(), HomeContract.View {

private val keyPressSubject = BehaviorSubject.create<KeyEvent>()
private lateinit var predicate: (KeyEvent) -> Boolean

override fun keyPresses(predicate: (KeyEvent) -> Boolean): Observable<KeyEvent> {
    this.predicate = predicate
    return keyPressSubject
}


override fun createPresenter() = HomePresenter()

override fun getLayoutId(): Int {
    return R.layout.activity_main
}

override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
    event?.run {
        if (predicate(event)) {
            keyPressSubject.onNext(event)
            return true
        }
    }
    return super.onKeyDown(keyCode, event)
}
}