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Merge "Chronometer: Update the value only if displayed on screen"

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This commit is contained in:
Alan Viverette
2016-05-27 14:18:20 +00:00
committed by Gerrit Code Review
parent f1f13f98b5 814e1f51e6
commit 34cd48bcd8
1 changed files with 8 additions and 1 deletions
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9
core/java/android/widget/Chronometer.java
View File

@@ -25,6 +25,7 @@ import android.os.SystemClock;
import android.text.format.DateUtils; import android.text.format.DateUtils;
import android.util.AttributeSet; import android.util.AttributeSet;
import android.util.Log; import android.util.Log;
import android.view.View;
import android.view.accessibility.AccessibilityEvent; import android.view.accessibility.AccessibilityEvent;
import android.widget.RemoteViews.RemoteView; import android.widget.RemoteViews.RemoteView;
@@ -226,6 +227,12 @@ public class Chronometer extends TextView {
updateRunning(); updateRunning();
} }
@Override
protected void onVisibilityChanged(View changedView, int visibility) {
super.onVisibilityChanged(changedView, visibility);
updateRunning();
}
private synchronized void updateText(long now) { private synchronized void updateText(long now) {
mNow = now; mNow = now;
long seconds = now - mBase; long seconds = now - mBase;
@@ -254,7 +261,7 @@ public class Chronometer extends TextView {
} }
private void updateRunning() { private void updateRunning() {
boolean running = mVisible && mStarted; boolean running = mVisible && mStarted && isShown();
if (running != mRunning) { if (running != mRunning) {
if (running) { if (running) {
updateText(SystemClock.elapsedRealtime()); updateText(SystemClock.elapsedRealtime());