CounterActivity

CounterActivity.kt

class CounterActivity: AppCompatActivity(), Enhancer<CounterState> {
  private val store: Store<CounterState> by lazy {
    Store(
      CounterReducer(),
      CounterState()
      // applyMiddleware(...)
    )
  }

  /**
  * If you want to see the change history of states,
  * Kdux has provided us with a tool called KduxDevTools.
  * We will initialize the store via the composeWithDevTools formula.
  * 
  * private val store: Store<CounterState> by lazy {
  *     composeWithDevTools(
  *         CounterReducer(),
  *         CounterState()
  *         // applyMiddleware(...)
  *     )
  * }
  */

  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_counter)

    btnIncrease.setOnClickListener {
      CounterAction.increaseAction { store.dispatch(it) }
    }

    btnDecrease.setOnClickListener {
      CounterAction.decreaseAction { store.dispatch(it) }
    }

    // btnUndo.setOnClickListener {
    //     store.dispatch(KduxDevToolAction.UNDO)
    // }

    // btnRedo.setOnClickListener {
    //     store.dispatch(KduxDevToolAction.REDO)
    // }

    // btnReset.setOnClickListener {
    //     store.dispatch(KduxDevToolAction.RESET)
    // }
}

  override fun onStart() {
    super.onStart()

    store.subscribe(this)
  }

  override fun onStop() {
    super.onStop()

    store.unsubscribe(this)
  }

  override fun enhance(state: CounterState) {
    txtNumber.text = "${state.number}"
  }
}