Fail to propagate result for certain case

[dlackty]

We're trying to integrate this library with Google SignIn, and however subscriber gets no result.

After investigation, we found that there's potential issue for this library. For Google SignIn, they use a SignInHubActivity, which presents a dialog then puts itself into pause state. Then when user click on the dialog option, it will set result and finish activity.

RxActivityResult/rx_activity_result/src/main/java/rx_activity_result2/ActivitiesLifecycleCallbacks.java

Lines 37 to 39 in 721d059

	@Override public void onActivityPaused(Activity activity) {
	liveActivityOrNull = null;
	}

At this moment, RxActivityResult.activitiesLifecycle.getLiveActivity() returns null and thus breaks the expected subscription behavior.

Possibly related: #36
Possible fix: use getOLiveActivity instead

[dezarion]

Same problem

[stari4ek]

I have another case but which is very similar.
I get OnResult.response right in the middle of onActivityPaused for target activity and onActivityResumed of starter activity.

so, OnResult.response is ignored and never processed again

RxActivityResult/rx_activity_result/src/main/java/rx_activity_result2/RxActivityResult.java

Line 122 in 721d059

if (activitiesLifecycle.getLiveActivity() == null) return;

I have it only for specific devices which are slower than others (Sony TV).