blocks|key|2671880|text|经过长期的挣扎，我找到了答案，如果google服务没有运行，那么FirebaseInstanceId+background+sync+failed+-+SERVICE_NOT_AVAILABLE日志打印，那么您可以检查您的google服务是否正常运行吗？|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2671881|也许这个信息对你有帮助！|2671882|entityMap^0|W|1T|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@]|D|@]|E|$]]|$1|H|3|-4|5|6|7|N|8|@]|D|@]|E|$]]]|I|$]]

After long struggle i found the answer, if google play service is not running then <code>FirebaseInstanceId background sync failed - SERVICE_NOT_AVAILABLE</code> log print, so you can check your google play service is running properly or not ?

May be this information is helpful to you !

blocks|key|2671930|text|服务需要绑定在Manifest.xml中。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2671931|++++
++++<service
++++++++android:name="eu.acme.service.FireBaseInstanceIdService"
++++++++android:exported="false"+>
++++++++<intent-filter>
++++++++++++<action+android:name="com.google.firebase.INSTANCE_ID_EVENT"/>
++++++++</intent-filter>
++++</service>|code-block|syntax|javascript|2671932|然后可以访问一个公开的方法(其他名称被混淆=不可靠)：|2671933|package+eu.acme.service;

import+com.google.firebase.iid.FirebaseInstanceId;
import+com.google.firebase.iid.FirebaseInstanceIdService;

public+class+FireBaseInstanceIdService+extends+FirebaseInstanceIdService+{

++++@Override
++++@android.support.annotation.WorkerThread
++++public+void+onTokenRefresh()+{

++++++++/*+obtain+the+current+InstanceId+token:+*/
++++++++String+token+=+FirebaseInstanceId.getInstance().getToken();
++++}
}|2671934|只有通过不激怒它，才能绕过它。通过不添加任何AuthState侦听器，同时知道没有活动的网络存在，就像解释的这里一样--就像看起来的那样，我们无法捕捉从库中抛出的异常--这是可以忽略的，因为它只是抱怨没有网络连接。|2671935|com.google.android.gms.iid和com.google.firebase.iid差不多。|2671936|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.android.com/training/monitoring-device-state/connectivity-monitoring.html|1|https://developers.google.com/android/reference/com/google/android/gms/iid/package-summary|2|https://firebase.google.com/docs/reference/android/com/google/firebase/iid/FirebaseInstanceId^0|7|C|0|0|0|0|1I|2|0|0|0|Q|1|R|N|2|0^^$0|@$1|2|3|4|5|6|7|14|8|@$9|15|A|16|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|17|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|18|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|19|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|1A|8|@]|D|@$9|1B|A|1C|1|1D]]|E|$]]|$1|Q|3|R|5|6|7|1E|8|@]|D|@$9|1F|A|1G|1|1H]|$9|1I|A|1J|1|1K]]|E|$]]|$1|S|3|-4|5|6|7|1L|8|@]|D|@]|E|$]]]|T|$U|$5|V|W|X|E|$Y|Z]]|10|$5|V|W|X|E|$Y|11]]|12|$5|V|W|X|E|$Y|13]]]]

the service needs to be bound in the <code>Manifest.xml</code>

<pre><code> &lt;!-- Firebase InstanceId Service --&gt;
 &lt;service
 android:name="eu.acme.service.FireBaseInstanceIdService"
 android:exported="false" &gt;
 &lt;intent-filter&gt;
 &lt;action android:name="com.google.firebase.INSTANCE_ID_EVENT"/&gt;
 &lt;/intent-filter&gt;
 &lt;/service&gt;
</code></pre>

then one can access one single exposed method (the other names are obfuscated = not reliable):

<pre><code>package eu.acme.service;

import com.google.firebase.iid.FirebaseInstanceId;
import com.google.firebase.iid.FirebaseInstanceIdService;

public class FireBaseInstanceIdService extends FirebaseInstanceIdService {

 @Override
 @android.support.annotation.WorkerThread
 public void onTokenRefresh() {

 /* obtain the current InstanceId token: */
 String token = FirebaseInstanceId.getInstance().getToken();
 }
}
</code></pre>

one could only work around it, by not provoking it, eg. by not adding any AuthState Listener while knowing that there is no active network present, as explained <a href="https://developer.android.com/training/monitoring-device-state/connectivity-monitoring.html" rel="noreferrer">here</a> - as it seems, one otherwise cannot catch the exception thrown from within the library - which can be ignored, since it merely just complains, that there is no network connectivity.

<a href="https://developers.google.com/android/reference/com/google/android/gms/iid/package-summary" rel="noreferrer">com.google.android.gms.iid</a> and <a href="https://firebase.google.com/docs/reference/android/com/google/firebase/iid/FirebaseInstanceId" rel="noreferrer">com.google.firebase.iid</a> are about the same.

blocks|key|1918708|text|您可以检查|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|1918709|检查没有代理的internet连接，并打开internet连接。|ordered-list-item|1918710|将您的google-service.json替换为新的，您可以在firebaseconsol中得到这个|CODE|1918711|请检查您的设备中是否有google服务，如果没有google服务，则firebase无法工作。|1918712|Check+-FireBaseInstanceId服务未注册|1918713|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/37427765/firebaseinstanceid-service-does-not-get-registered^0|0|5|0|0|3|J|0|0|7|N|0|0^^$0|@$1|2|3|4|5|6|7|X|8|@$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|10|8|@]|D|@]|E|$]]|$1|I|3|J|5|H|7|11|8|@$9|12|A|13|B|K]]|D|@]|E|$]]|$1|L|3|M|5|H|7|14|8|@]|D|@]|E|$]]|$1|N|3|O|5|6|7|15|8|@]|D|@$9|16|A|17|1|18]]|E|$]]|$1|P|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|Q|$R|$5|S|T|U|E|$V|W]]]]

You can check 

<ol>
<li>Check your internet connection with no proxy and open internet connect </li>
<li>Replace your <code>google-service.json</code> with new one you can get this in firebaseconsol</li>
<li>Please check your device has google play service in it and it working or not , firebase not work without google play service </li>
</ol>

Check -<a href="https://stackoverflow.com/questions/37427765/firebaseinstanceid-service-does-not-get-registered">FireBaseInstanceId service does not get registered</a>

blocks|key|1918732|text|验证互联网的连通性|type|ordered-list-item|depth|inlineStyleRanges|entityRanges|data|1918733|验证(+tools+->+->+SDK+tools选项卡)是否有“Google服务”最新版本，如果没有安装该软件包。如果您使用的是仿真器，请停止模拟器并启动它，again.It工作。|1918734|unstyled|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|H|8|@]|9|@]|A|$]]|$1|D|3|-4|5|E|7|I|8|@]|9|@]|A|$]]]|F|$]]

<ol>
<li>Verify internet connectivity</li>
<li>Verify if the Android SDK tools(Tools -> Android -> SDK manager -> SDK tools tab) has 'Google Play services' latest version and if not install the package.
Then if you are using emulator, please stop the emulator and start it again.It works</li>
</ol>

blocks|key|2672012|text|最简单的解决方案是删除.Droid目录下的bin和obj文件夹。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2672013|以这种方式，你每次都有一个干净的开始。|2672014|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Easiest solution is to delete the bin and obj folders under the .Droid directory. 
In this way you have a clean start every time.

blocks|key|1362267|text|在我的例子中，我刚刚从Android首选项中删除了即时运行|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1362268|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

In my case, I just removed instant run from Android Studio preferences

blocks|key|1918802|text|在我的情况下-我重新启动了我的电脑，它工作了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1918803|我不是专家，所以我可能已经用我的方法讨论了其中提到的提示之一|1918804|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

In my case - I rebooted my PC and it worked.

Im not an expert, so I might have covered one of the mentioned tipps by my approach

blocks|key|1918851|text|我不得不解散我的VPN+-希望这能帮到别人！|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1918852|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I had to disbale my VPN - hope this helps someone !

blocks|key|1364357|text|连接您的手机与不同的无线连接与不同的服务提供商。这听起来很奇怪，但你可以试试！|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|1364358|entityMap^0|0|2|E|9|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

Connect your mobile with different wifi connection with different service provider. It seems weird but you can try it!

blocks|key|2672186|text|我也有同样的问题，解决了只是清洁项目选项下的构建。希望能对这里的任何人有所帮助。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2672187|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Me too had the same issue, resolved by just Clean Project option under build. Hope it might help anyone here.

blocks|key|1364376|text|我只是遇到了这个问题。在我的例子中，只有当我停止仿真器，关闭它，然后再次打开时，才能工作。我没有做任何其他的改变。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1364377|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I just had this problem. In my case, only worked when I stopped the emulator, closed it, and opened again. I didn't make any other changes.

blocks|key|2672238|text|在我的情况下|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2672239|我已经在项目根目录中添加了google-services.json文件，我把它移到了app文件夹，问题已经解决了。|offset|length|style|CODE|2672240|MyProjectRootDir/google-services.json

move+to+-->+

MyProjectRootDir/app/google-services.json|code-block|syntax|javascript|2672241|entityMap^0|0|D|K|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@$D|Q|E|R|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|S|8|@]|9|@]|A|$K|L]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

In my case 

I have been Added <code>google-services.json</code> file in Project root, I moved it to app folder and problem has been fixed. 

<pre><code>MyProjectRootDir/google-services.json

move to --&gt; 

MyProjectRootDir/app/google-services.json
</code></pre>

blocks|key|2672243|text|您需要更新您的播放服务，并确保您的互联网连接良好。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2672244|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You need to update your play services and make sure your internet connectivity is good.

I have use Firebase Cloud Messaging(FCM) API for the push notification in Android. When I implemented that time perfect work but now it's can not find the Service of google play.

the error is: 

<blockquote>
 FirebaseInstanceId: background sync failed: SERVICE_NOT_AVAILABLE,
</blockquote>

Please help me how to resolve. I Have use below dependency in gradle file.

<pre><code>dependencies {
 compile files('libs/ksoap2-android-assembly-3.4.0-jar.jar')
 compile 'com.android.support:appcompat-v7:23.0.0'
 compile files('libs/gson-2.2.4.jar')
 compile files('libs/activation.jar')
 compile files('libs/mail.jar')
 compile files('libs/additionnal.jar')
 compile 'com.android.support:multidex:1.0.1'
 compile 'com.facebook.android:facebook-android-sdk:4.14.0'
 compile 'com.google.firebase:firebase-messaging:9.0.2'

 compile('com.google.android.gms:play-services:9.0.2') {
 exclude group: "play-services-wallet"
 exclude module: "play-services-wallet"
 exclude group: "play-services-ads"
 exclude module: "play-services-ads"
 }

}
</code></pre>

Thanks for taking the time to read this.

FirebaseCloudMessaging : FirebaseInstanceId background sync failed - SERVICE_NOT_AVAILABLE

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我在Android中使用Firebase消息传递(FCM) API来进行推送通知。当我实现那个时候完美的工作，但现在却找不到服务的谷歌发挥。错误是：FirebaseInstanceId:后台同步失败: SERVICE_NOT_AVAILABLE，请帮我解决。我在gradle文件中使用了下面的依赖项。dependenci...

问FirebaseCloudMessaging : FirebaseInstanceId后台同步失败- SERVICE_NOT_AVAILABLE
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