Method cancel

app/src/main/java/eu/faircode/email/SimpleTask.java:378–393

(Context context)

    }

    void cancel(Context context) {
        try {
            ExecutorService executor = getExecutor(context);
            if (executor instanceof ThreadPoolExecutor && future instanceof Runnable) {
                boolean removed = ((ThreadPoolExecutor) executor).remove((Runnable) future);
                Log.i("Remove task=" + name + " removed=" + removed);
            }
        } catch (Throwable ex) {
            Log.e(ex);
        }

        if (future != null && future.cancel(false)) {
            Log.i("Cancelled task=" + name);
            cleanup(context);
        }
    }

    private void cleanup(Context context) {
        started = 0;