Android, rx threads logger. Helps to debug threads problem.

Threads logger

public void printThreadCountByName(String name) {
            Set<Thread> threadSet = getAllStackTraces().keySet();
            Observable.from(threadSet)
                    .filter(thread -> thread.getName().toLowerCase().contains(name.toLowerCase()))
                    .groupBy(Thread::isAlive)
                    .flatMap(t -> t)
                    .groupBy(Thread::getState)
                    .flatMap(Observable::toList)
                    .subscribe(list -> {
                        if (list.isEmpty()) {
                            System.out.println("CheckThreads " + name + " count 0");
                        } else {
                            Thread.State s = list.get(0).getState();
                            boolean alive = list.get(0).isAlive();
                            System.out.println("CheckThreads " + name + " || size = " + list.size() + " || state " + s + " || alive = " + alive);
                        }
                    }, Throwable::printStackTrace, () -> System.out.println("CheckThreads =================================================="));
        }

        public void logAllThreads() {
            Observable.from(getAllStackTraces().keySet())
                    .map(thread -> thread.getName() + " || " + thread.getState() + " || alive = " + thread.isAlive()
                            + " || itterupted" + thread.isInterrupted() + "\n")
                    .toList().subscribe(System.out::println);

        }