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RxAndroid2 / RxJava2简单的CompletableObserver

日期:2017-05-15点击:375
RxAndroid2 / RxJava2简单的CompletableObserver


CompletableObserver简单的用法跟踪一个任务的结束,不处理复杂的数据传导,例如:

package zhangphil.app; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity; import android.util.Log; import java.util.concurrent.Callable; import io.reactivex.Completable; import io.reactivex.CompletableObserver; import io.reactivex.android.schedulers.AndroidSchedulers; import io.reactivex.disposables.Disposable; import io.reactivex.schedulers.Schedulers; public class MainActivity extends AppCompatActivity { private final String TAG = getClass().getSimpleName(); @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); test(); } private void test() { Completable.fromCallable(new Callable<Object>() { @Override public Object call() throws Exception { try { Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } Log.d(TAG, "任务结束!"); return null; } }).subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()) .subscribe(getCompletableObserver()); } private CompletableObserver getCompletableObserver() { return new CompletableObserver() { @Override public void onSubscribe(Disposable d) { Log.d(TAG, "onSubscribe " + System.currentTimeMillis()); } @Override public void onComplete() { Log.d(TAG, "onComplete " + System.currentTimeMillis()); } @Override public void onError(Throwable e) { } }; } }




代码运行输出:

05-16 14:01:20.908 12292-12292/zhangphil.app D/MainActivity: onSubscribe 1494914480908 05-16 14:01:20.945 12292-12292/zhangphil.app D/InputTransport: Input channel constructed: fd=73 05-16 14:01:20.945 12292-12292/zhangphil.app D/ViewRootImpl@99677a6[MainActivity]: setView = DecorView@de9b5e7[MainActivity] touchMode=true 05-16 14:01:20.949 12292-12292/zhangphil.app W/Activity: AppLock checkAppLockState locked:false verifying:false pkgName = zhangphil.app isInMultiWindowMode:false 05-16 14:01:20.985 12292-12292/zhangphil.app D/ViewRootImpl@99677a6[MainActivity]: MSG_RESIZED_REPORT: ci=Rect(0, 81 - 0, 0) vi=Rect(0, 81 - 0, 0) or=1 05-16 14:01:20.986 12292-12292/zhangphil.app D/ViewRootImpl@99677a6[MainActivity]: MSG_WINDOW_FOCUS_CHANGED 1 05-16 14:01:20.986 12292-12292/zhangphil.app I/InputMethodManager: [IMM] startInputInner - mService.startInputOrWindowGainedFocus 05-16 14:01:20.988 12292-12292/zhangphil.app D/InputTransport: Input channel constructed: fd=74 05-16 14:01:25.911 12292-23777/zhangphil.app D/MainActivity: 任务结束! 05-16 14:01:25.912 12292-12292/zhangphil.app D/MainActivity: onComplete 1494914485912 



原文链接:https://yq.aliyun.com/articles/615869
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