这很简单,当你第一次在手机上使用解析时,它就像一个魅力。 当您重新安装应用程序时,它会解决所有问题。
正如stackoverflow Eran所述:
“PushService.subscribe似乎将订阅缓存在本地存储中,以避免在多次启动应用程序时重新订阅。 这是该方法的第一个参数用于: context - 用于访问本地存储以缓存订阅,因此它当前必须是可行的上下文。 (引自here)。
但是,当您卸载该应用时,该应用的本地存储将从您的设备中删除,因此新安装将导致PushService.subscribe重新注册到Google Cloud Messaging。如果新注册返回新的注册ID,则Parse将具有两个注册ID,可用于向您的应用发送推送通知,并且它们都将链接到您提供给订阅的相同userName。因此,向该userName发送通知会将其发送到两个注册ID,导致它到达两次。
当Parse为您发送通知时,他们应该通过canonical_registration_id从Google获取回复,这会让他们知道您设备上与您的应用相关联的注册ID之一已过时,不应再使用了。因此(假设Parse有一个不错的GCM实现),下次您向设备发送通知时,您应该只收到一次。“
以下是我的安装源代码:
String androidId = Secure.getString(getApplicationContext().getContentResolver(),Secure.ANDROID_ID);
Parse.initialize(this, "KEY1", "KEY2");
PushService.setDefaultPushCallback(this, ParseActivity.class);
ParseInstallation installation = ParseInstallation.getCurrentInstallation();
installation.put("UniqueId",androidId);
installation.setObjectId(null);
installation.saveInBackground();
我的堆栈跟踪(就像每个人一样):
05-20 19:47:35.630: E/ParseCommandCache(6497): com.parse.ParseException: at least one ID field (installationId,deviceToken) must be specified in this operation
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.ParseCommand.onPostExecute(ParseCommand.java:334)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.ParseRequest$5.then(ParseRequest.java:321)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.ParseRequest$5.then(ParseRequest.java:318)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11.run(Task.java:481)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$ImmediateExecutor.execute(Task.java:673)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.completeAfterTask(Task.java:477)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.continueWithTask(Task.java:353)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.continueWithTask(Task.java:364)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$9.then(Task.java:410)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$9.then(Task.java:402)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11.run(Task.java:481)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$ImmediateExecutor.execute(Task.java:673)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.completeAfterTask(Task.java:477)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.access$400(Task.java:22)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$7.then(Task.java:346)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$7.then(Task.java:343)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.runContinuations(Task.java:510)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.access$800(Task.java:22)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$TaskCompletionSource.trySetResult(Task.java:565)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$TaskCompletionSource.setResult(Task.java:599)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11$1.then(Task.java:493)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11$1.then(Task.java:485)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$10.run(Task.java:448)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$ImmediateExecutor.execute(Task.java:673)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.completeImmediately(Task.java:444)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.access$300(Task.java:22)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$6.then(Task.java:311)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$6.then(Task.java:308)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.runContinuations(Task.java:510)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.access$800(Task.java:22)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$TaskCompletionSource.trySetResult(Task.java:565)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$TaskCompletionSource.setResult(Task.java:599)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11$1.then(Task.java:493)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11$1.then(Task.java:485)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$10.run(Task.java:448)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$ImmediateExecutor.execute(Task.java:673)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.completeImmediately(Task.java:444)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.access$300(Task.java:22)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$6.then(Task.java:311)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$6.then(Task.java:308)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.runContinuations(Task.java:510)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.access$800(Task.java:22)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$TaskCompletionSource.trySetResult(Task.java:565)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$TaskCompletionSource.setResult(Task.java:599)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11$1.then(Task.java:493)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11$1.then(Task.java:485)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$10.run(Task.java:448)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$ImmediateExecutor.execute(Task.java:673)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.completeImmediately(Task.java:444)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.continueWith(Task.java:318)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.continueWith(Task.java:329)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11.run(Task.java:485)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$ImmediateExecutor.execute(Task.java:673)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.completeAfterTask(Task.java:477)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.access$400(Task.java:22)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$7.then(Task.java:346)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$7.then(Task.java:343)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.runContinuations(Task.java:510)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.access$800(Task.java:22)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$TaskCompletionSource.trySetResult(Task.java:565)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$TaskCompletionSource.setResult(Task.java:599)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11$1.then(Task.java:493)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11$1.then(Task.java:485)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$10.run(Task.java:448)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$ImmediateExecutor.execute(Task.java:673)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.completeImmediately(Task.java:444)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.continueWith(Task.java:318)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task.continueWith(Task.java:329)
05-20 19:47:35.630: E/ParseCommandCache(6497): at com.parse.Task$11.run(Task.java:485)
05-20 19:47:35.630: E/ParseCommandCache(6497): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
05-20 19:47:35.630: E/ParseCommandCache(6497): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
05-20 19:47:35.630: E/ParseCommandCache(6497): at java.lang.Thread.run(Thread.java:841)
05-20 19:48:32.615: D/Request(6497): Warning: Sessionless Request needs token but missing either application ID or client token.
由于我没有找到任何真正的解决方案,我在这里问。
感谢。
答案 0 :(得分:0)
我确信这是由解析错误引起的。我在Parse.com找到的很多未解决的错误报告也说了同样的事情。 我目前正在使用Parse 1.5.1: 我看到的是没有deviceToken就不会发送推送,如果没有uniqueId,我们会在上面得到运行时错误。 如果我在注册后立即发送UniqueId,则会保存没有deviceToken的行。 在Nexus 5,Nexus 4和Sony xperia E上测试的解决方案: 在您的Application类onCreate()
中 Parse.initialize(this, PARSE_APP_KEY_VALUE, PARSE_CLIENT_KEY_VALUE);
PushService.setDefaultPushCallback(getApplicationContext(), MainActivity.class);
final ParseInstallation installation = ParseInstallation.getCurrentInstallation();
final String androidId = Settings.Secure.getString(getApplicationContext().getContentResolver(), Settings.Secure.ANDROID_ID);
// Post the uniqueId delayed
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
installation.put("UniqueId", androidId);
installation.saveInBackground(new SaveCallback() {
@Override
public void done(ParseException e) {
// Saved!
}
});
}
}, 10000
);
以这种方式工作,我能够保存正确的行(使用uniqueId和deviceToken),并发送推送通知!干杯!
答案 1 :(得分:0)
我也面临这个问题。我通过在我的Activity onCreate()
/**
* Initialize Push Messaging Service and subscribe to all-users channel
*/
private void initParsePushMessaging() {
ParseInstallation parseInstallation = ParseInstallation
.getCurrentInstallation();
//You might skip this if
if (ParseUser.getCurrentUser() != null) {
parseInstallation.put("user",
ParseUser.getCurrentUser());
}
if (parseInstallation.getObjectId() != null)
parseInstallation.saveInBackground(new SaveCallback() {
@Override
public void done(ParseException e) {
PushService.subscribe(getApplicationContext(),"channel_name",
MainHomeActivity.class);
}
});
}
即使它没有完全解决我的问题,但现在我的应用程序没有挂起,也没有更多的ANR由于这个Parse实现。如果我重新安装一个应用程序并立即运行它,那么应用程序会创建一个新的安装记录并删除最后一个。唯一的问题是 channel_name 未在此次投放中订阅,但会在下次投放时成功订阅。
答案 2 :(得分:0)
使用saveEventually()
代替saveInBackground()
, 除了saveEventually()
之外,对我来说有什么用呢?
这里有a link我对类似问题的回答。
我认为saveInBackground()
是更好的选择,因为无论网络可用性如何,它都能确保始终保存安装。相反,对于saveEventually()
,由于没有网络连接,保存可能会失败。另外,对于SaveCallback()
,您无需执行任何错误检查,您应该在saveInBackground()
{{1}}进行错误检查。
答案 3 :(得分:0)
有完全相同的问题。我通过手机上的设置解决了这个问题 - >应用 - > 您的应用名称 - >强制关机 - >卸载。
然后在Android工作室我去了 - >档案 - >无效缓存/重新启动 - >等待gradle再次构建,然后在我的手机上运行应用程序。工作就像一个魅力。