blocks|key|1770730|text|除了被接受的答案之外|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1770731|如果你想在你的应用程序不运行时监听时间变化，我会在清单中注册：|1770732|<receiver+android:name="com.your.pacakge.TimeChangeBroadcastReceiver">
++++<intent-filter>
++++++++<action+android:name="android.intent.action.TIME_SET"/>
++++++++<action+android:name="android.intent.action.TIMEZONE_CHANGED"/>
++++</intent-filter>
</receiver>|code-block|syntax|javascript|1770733|如果这样做，请不要在代码中使用registerReceiver和unregisterReceiver显式注册接收器。|offset|length|style|CODE|1770734|再说一次，这只是对公认答案的补充。|1770735|entityMap^0|0|0|0|F|G|W|I|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|V|8|@$K|W|L|X|M|N]|$K|Y|L|Z|M|N]]|9|@]|A|$]]|$1|O|3|P|5|6|7|10|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|R|$]]

<h2>In addition to the accepted answer</h2>

If you want to listen to time changes while your app is not running I would register in the manifest: 



<pre><code>&lt;receiver android:name="com.your.pacakge.TimeChangeBroadcastReceiver"&gt;
 &lt;intent-filter&gt;
 &lt;action android:name="android.intent.action.TIME_SET"/&gt;
 &lt;action android:name="android.intent.action.TIMEZONE_CHANGED"/&gt;
 &lt;/intent-filter&gt;
&lt;/receiver&gt;
</code></pre>

If you do this, do not explicitly register the receiver in the code with <code>registerReceiver</code> and <code>unregisterReceiver</code>.

Again, this is just an addition to the accepted answer.

blocks|key|1770845|text|Ben的答案的Java版本，只做了一个小的修正。修复方法是将ACTION_TIME_TICK添加为我们应该关注的广播接收器操作之一。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1770846|public+abstract+class+DayChangedBroadcastReceiver+extends+BroadcastReceiver+{
private+Date+date+=+new+Date();
private+DateFormat+dateFormat+=+new+SimpleDateFormat("yyMMdd",+Locale.getDefault());

public+abstract+void+onDayChanged();

@Override
public+void+onReceive(Context+context,+Intent+intent)+{
++++String+action+=+intent.getAction();
++++Date+currentDate+=+new+Date();

++++if+(action+!=+null+&&+!isSameDay(currentDate)+&&
++++++++++++(action.equals(Intent.ACTION_TIME_CHANGED)
++++++++++++++++++++%7C%7C+action.equals(Intent.ACTION_TIMEZONE_CHANGED)
++++++++++++++++++++%7C%7C+action.equals(Intent.ACTION_TIME_TICK)))+{
++++++++date+=+currentDate;


++++++++onDayChanged();
++++}
}

private+boolean+isSameDay(Date+currentDate)+{
++++return+dateFormat.format(currentDate).equals(dateFormat.format(date));
}

public+static+IntentFilter+getIntentFilter()+{
++++IntentFilter+intentFilter+=+new+IntentFilter();

++++intentFilter.addAction(Intent.ACTION_TIME_TICK);
++++intentFilter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
++++intentFilter.addAction(Intent.ACTION_TIME_CHANGED);

++++return+intentFilter;
}|code-block|syntax|javascript|1770847|}|1770848|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

The Java version of Ben's answer with a minor fix. the fix is about adding ACTION_TIME_TICK as one of the actions that we should care for the broadcast receiver.

<pre><code>public abstract class DayChangedBroadcastReceiver extends BroadcastReceiver {
private Date date = new Date();
private DateFormat dateFormat = new SimpleDateFormat("yyMMdd", Locale.getDefault());

public abstract void onDayChanged();

@Override
public void onReceive(Context context, Intent intent) {
 String action = intent.getAction();
 Date currentDate = new Date();

 if (action != null &amp;&amp; !isSameDay(currentDate) &amp;&amp;
 (action.equals(Intent.ACTION_TIME_CHANGED)
 || action.equals(Intent.ACTION_TIMEZONE_CHANGED)
 || action.equals(Intent.ACTION_TIME_TICK))) {
 date = currentDate;


 onDayChanged();
 }
}

private boolean isSameDay(Date currentDate) {
 return dateFormat.format(currentDate).equals(dateFormat.format(date));
}

public static IntentFilter getIntentFilter() {
 IntentFilter intentFilter = new IntentFilter();

 intentFilter.addAction(Intent.ACTION_TIME_TICK);
 intentFilter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
 intentFilter.addAction(Intent.ACTION_TIME_CHANGED);

 return intentFilter;
}
</code></pre>

}

blocks|key|1770893|text|在清单中注册BroadcastReceiver时的另一个补充|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1770894|当您当前没有活动告警时，您可能希望停止收听广播，并在稍后有活动告警时重新启用。|1770895|val+receiver+=+ComponentName(context,+SampleBootReceiver::class.java)

context.packageManager.setComponentEnabledSetting(
++++++++receiver,
++++++++PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
++++++++//+or+PackageManager.COMPONENT_ENABLED_STATE_DISABLED+to+disable+it
++++++++PackageManager.DONT_KILL_APP
)|code-block|syntax|javascript|1770896|Sauce|offset|length|1770897|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.android.com/training/scheduling/alarms#boot^0|0|0|0|0|5|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|W|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|X|8|@]|9|@$K|Y|L|Z|1|10]]|A|$]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]]]

Another addition when registering BroadcastReceiver in the Manifest

when you currently don't have active alarms at the time, maybe you want to stop listening to the broadcast, and re-enabled it later when there is an active alarm.

<pre><code>val receiver = ComponentName(context, SampleBootReceiver::class.java)

context.packageManager.setComponentEnabledSetting(
 receiver,
 PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
 // or PackageManager.COMPONENT_ENABLED_STATE_DISABLED to disable it
 PackageManager.DONT_KILL_APP
)
</code></pre>

<a href="https://developer.android.com/training/scheduling/alarms#boot" rel="nofollow noreferrer">Sauce</a>

In my application, there's a alarm service, and I find that if user change it's date or time to a passed time. My alarm will not be triggered at the time I expect.

So, I may have to reset all the alarms again. Is there an date and time change listener in android?

Date and time change listener in Android?

Java

在我的应用程序中，有一个警报服务，我发现如果用户将它的日期或时间更改为过去的时间。我的警报不会在我预期的时间触发。所以，我可能要重新设置所有的警报。android中有日期和时间更改监听器吗？

问Android中的日期和时间更改侦听器？
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