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Commit 814e1f51 authored by Simon Dubray's avatar Simon Dubray Committed by Zhiquan Liu
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Chronometer: Update the value only if displayed on screen 



Chronometer is refreshed every second even if not displayed
on the screen and if the screen is off.

Change-Id: I9348c4f988b6822f2c7d9cac0e47acaf82a02e01
Signed-off-by: default avatarSimon Dubray <simonx.dubray@intel.com>
Signed-off-by: default avatarZhiquan Liu <zhiquan.liu@intel.com>
parent 6fea6611

core/java/android/widget/Chronometer.java

+8 −1
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ import android.os.SystemClock; 
import android.text.format.DateUtils;

import android.util.AttributeSet;

import android.util.Log;

import android.view.View;

import android.view.accessibility.AccessibilityEvent;

import android.widget.RemoteViews.RemoteView;
@@ -226,6 +227,12 @@ public class Chronometer extends TextView { 
        updateRunning();

    }



    @Override

    protected void onVisibilityChanged(View changedView, int visibility) {

        super.onVisibilityChanged(changedView, visibility);

        updateRunning();

    }



    private synchronized void updateText(long now) {

        mNow = now;

        long seconds = now - mBase;
@@ -254,7 +261,7 @@ public class Chronometer extends TextView { 
    }



    private void updateRunning() {

        boolean running = mVisible && mStarted;

        boolean running = mVisible && mStarted && isShown();

        if (running != mRunning) {

            if (running) {

                updateText(SystemClock.elapsedRealtime());