Android: How to detect if current stack of activities (task) moves to background?

Question

The official documentation describes tasks as follows:

*All the activities in a task move together as a unit. The entire task (the entire activity sta

Answer 1

    public boolean isCurrentTaskInBackground() {
    List taskInfoList = mActivityManager.getRunningTasks(1);
    if (taskInfoList != null && taskInfoList.size() > 0) {
        RunningTaskInfo info = taskInfoList.get(0);

        ComponentName componentName = info.baseActivity;

        MobileTvLog.debug("App#isCurrentTaskInBackground -> baseActivity = " + componentName);

        String packageName = componentName.getPackageName();

        return !YOUR_PKG_NAME.equals(packageName);
    } else {
        return true;
    }
}