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SkipExampleActivity.java
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SkipExampleActivity.java
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package com.rxjava2.android.samples.ui.operators;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import com.rxjava2.android.samples.R;
import com.rxjava2.android.samples.utils.AppConstant;
import androidx.appcompat.app.AppCompatActivity;
import io.reactivex.Observable;
import io.reactivex.Observer;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
/**
* Created by amitshekhar on 27/08/16.
*/
public class SkipExampleActivity extends AppCompatActivity {
private static final String TAG = SkipExampleActivity.class.getSimpleName();
Button btn;
TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_example);
btn = findViewById(R.id.btn);
textView = findViewById(R.id.textView);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
doSomeWork();
}
});
}
/* Using skip operator, it will not emit
* the first 2 values.
*/
private void doSomeWork() {
getObservable()
// Run on a background thread
.subscribeOn(Schedulers.io())
// Be notified on the main thread
.observeOn(AndroidSchedulers.mainThread())
.skip(2)
.subscribe(getObserver());
}
private Observable<Integer> getObservable() {
return Observable.just(1, 2, 3, 4, 5);
}
private Observer<Integer> getObserver() {
return new Observer<Integer>() {
@Override
public void onSubscribe(Disposable d) {
Log.d(TAG, " onSubscribe : " + d.isDisposed());
}
@Override
public void onNext(Integer value) {
textView.append(" onNext : value : " + value);
textView.append(AppConstant.LINE_SEPARATOR);
Log.d(TAG, " onNext value : " + value);
}
@Override
public void onError(Throwable e) {
textView.append(" onError : " + e.getMessage());
textView.append(AppConstant.LINE_SEPARATOR);
Log.d(TAG, " onError : " + e.getMessage());
}
@Override
public void onComplete() {
textView.append(" onComplete");
textView.append(AppConstant.LINE_SEPARATOR);
Log.d(TAG, " onComplete");
}
};
}
}