RxJava2ExampleKT

• Source

  • Part 1
  • Part 2

• Implementation

implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
implementation 'io.reactivex.rxjava2:rxjava:2.2.9'

• Example 1

var str = StringBuilder()

val observaBLE = Observable.create<String> { emitter ->
        str.append("2. Value Default").append("\n")
        setView()
        emitter.onNext("Hello Zein")
        //                emitter.onNext(null); // contoh error
        emitter.onComplete()
    }
val obserVER: Observer<String> = object : Observer<String> {
        override fun onSubscribe(d: Disposable) {
            str.append("1. Loading onSubscribe").append("\n")
            setView()
        }

        override fun onNext(s: String) {
            str.append("3. onNext ").append(s).append("\n")
            setView()
        }

        override fun onError(e: Throwable) {
            str.append("3. onError ").append(e.message).append("\n")
            setView()
        }

        override fun onComplete() {
            str.append("4. Loading onComplete").append("\n")
            setView()
        }
    }
observaBLE.subscribe(obserVER)

• Example 2

var str = StringBuilder()

Observable.create<String> { emitter ->
    str.append("2. Value Default").append("\n")
    setView()
    emitter.onNext("Hello Zein")
    //                emitter.onNext(null); // contoh error
    emitter.onComplete()
}.subscribe(object : Observer<String> {
    override fun onSubscribe(d: Disposable) {
        str.append("1. Loading onSubscribe").append("\n")
        setView()
    }

    override fun onNext(s: String) {
        str.append("3. onNext ").append(s).append("\n")
        setView()
    }

    override fun onError(e: Throwable) {
        str.append("3. onError ").append(e.message).append("\n")
        setView()
    }

    override fun onComplete() {
        str.append("4. Loading onComplete").append("\n")
        setView()
    }
})

• setview();

    private fun setView() {
        var tv: TextView = findViewById(R.id.tv)
        tv.text = str.toString()
    }

• Preview

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FullCode MainActivity

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Copyright 2020 M. Fadli Zein