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Merge "CountDownTimer: not skip onTick()"

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Treehugger Robot
2016-11-16 07:55:26 +00:00
committed by Gerrit Code Review
parent 1813ae0159 0c3149191f
commit 224d9e48fa
1 changed files with 16 additions and 7 deletions
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23
core/java/android/os/CountDownTimer.java
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@@ -125,19 +125,28 @@ public abstract class CountDownTimer {
if (millisLeft <= 0) {
onFinish();
} else if (millisLeft < mCountdownInterval) {
// no tick, just delay until done
sendMessageDelayed(obtainMessage(MSG), millisLeft);
} else {
long lastTickStart = SystemClock.elapsedRealtime();
onTick(millisLeft);
// take into account user's onTick taking time to execute
long delay = lastTickStart + mCountdownInterval - SystemClock.elapsedRealtime();
long lastTickDuration = SystemClock.elapsedRealtime() - lastTickStart;
long delay;
// special case: user's onTick took more than interval to
// complete, skip to next interval
while (delay < 0) delay += mCountdownInterval;
if (millisLeft < mCountdownInterval) {
// just delay until done
delay = millisLeft - lastTickDuration;
// special case: user's onTick took more than interval to
// complete, trigger onFinish without delay
if (delay < 0) delay = 0;
} else {
delay = mCountdownInterval - lastTickDuration;
// special case: user's onTick took more than interval to
// complete, skip to next interval
while (delay < 0) delay += mCountdownInterval;
}
sendMessageDelayed(obtainMessage(MSG), delay);
}