Multiple choice

How can we create a method that checks for messages in the message queue?

  1. Public Boolean isTimerRunn(){
     Return mHandler.hasMessages(0);
}

  2. Private Boolean isTimerRunn(){
     Return mHandler.hasMessages(0);
}

  3. Private Boolean is TimerRunn(){
     Return mHandler.hasMessages(0);
}

  4. Private Boolean isTimerRunn(){
     Return mHandler.queueMessages(0);
}
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The method that checks for messages in the message queue can be defined as follows:

Private Boolean isTimerRunn() {
 Return mHandler.hasMessages(0);
}

Keep practicing — related questions