/
Threads.java
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/
Threads.java
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package com.example.rxjava2;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.AppCompatImageView;
import android.os.Bundle;
import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
public class Threads extends AppCompatActivity {
private AppCompatImageView imgv1;
private Disposable imageLoader;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_threads);
// Example loading a bitmap
imgv1 = findViewById(R.id.image1);
}
@Override
protected void onStart() {
super.onStart();
imageLoader = Observable.create(emitter -> {
emitter.onNext(R.drawable.thumb_1080_720);
Thread.sleep(2000); // Symulacja pobierania danych
emitter.onNext(R.drawable.image_1080_720);
emitter.onComplete();
}
).subscribeOn(Schedulers.io()) // Operacje powyzej wykonaja sie w tle
.observeOn(AndroidSchedulers.mainThread()) // Zmiana zdjecia wykona sie w watku glownym
.subscribe(img -> imgv1.setImageResource((Integer) img));
}
@Override
protected void onPause() {
super.onPause();
imageLoader.dispose();
}
}