boolean isBitNEnabled = (data & (1 << n) != 0)
For instance, the follow code could be used to check if the second bit is enabled or not.
boolean isBit2Enabled = (data & (1 << 2) != 0)
NavUtilsclass's static method,
navigateUpFromSameTask(). When you call this method, it finishes the current activity and starts (or resumes) the appropriate parent activity. If the target parent activity is in the task's back stack, it is brought forward as defined by