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堆栈跟踪反混淆：带有ProGuard和Crashlytics的Android Studio(Stack trace deobfuscation: Android Studio with ProGuard and Crashlytics)

 堆栈跟踪反混淆技术如何与Android Studio，ProGuard和Crashlytics协同工作？  
 每个应用程序构建生成一个唯一的构建ID，据我了解，即使应用程序的versionCode和versionName没有改变，它也会生成：  
<string name = "com.crashlytics.android.build_id">RANDOM_UUID</ string>
 
 正如我在编译时所假设的，这个构建ID和mapping.txt一起被上传到Crashlytics服务器。 而且，每个崩溃报告都会包含此构建ID。 因此，Crashlytics服务器可以找到正确的mapping.txt，即使对于具有相同versionCode和versionName versionCode也是如此。  
 但是如果在构建过程中我暂时失去了互联网连接，我不会注意到这一点？ 我试图在互联网关闭的情况下进行构建，并且成功，没有任何警告，也没有错误。 但我预计这个构建会失败，并抱怨说它无法将mapping.txt和构建ID上传到Crashlytics服务器。  
 那么，Gradle的Crashlytics插件如何处理没有互联网的构建？  
 假设，Crashlytics可以用相同的versionCode和versionName来区分构建，是正确的吗？  
 UPD。 在我得到Mike的回答之前，我还通过简单的做./gradlew tasks --all找到了关于发生了什么的见解 - 都在我的项目根目录中：  
 
  app：crashlyticsStoreDeobsRelease - 在完成发布版本之后调用Crashlytics目标。 清理Crashlytics生成的资源文件。 将反混淆文件缓存并上传到Crashlytics服务器。  
  应用程序：crashlyticsUploadDeobsRelease - 将存储的反混淆文件上传到Crashlytics。  
  app：crashlyticsUploadDistributionDebug - 将APK上传到Crashlytics进行分发。  
  app：crashlyticsUploadDistributionRelease - 将APK上传到Crashlytics进行分发。  
  app：fabricGenerateResourcesDebug - 注入Fabric SDK使用的构建ID。  
  app：fabricGenerateResourcesRelease - 注入Fabric SDK使用的构建标识。  

How does the magic of stack trace deobfuscation works with Android Studio, ProGuard and Crashlytics? 
Each app build generates an unique build id, and as I understand, it is generated even if versionCode and versionName of the app haven't changed: 
<string name = "com.crashlytics.android.build_id">RANDOM_UUID</ string>
 
As I assuming, at build time, this build id, together with mapping.txt, is uploaded to the Crashlytics server. And, in turn, each crash report contains this build id. Thus, the Crashlytics server can find the correct mapping.txt, even for builds with the same versionCode and versionName. 
But what if during the build I got temporary lost an Internet connection, and I wouldn't notice this? I've tried to make a build with the Internet turned off, and it was successful, no warnings, no errors. But I anticipated the build would fail, complaining that it couldn't upload mapping.txt and the build id to the Crashlytics server. 
So, how Crashlytics plugin for Gradle does handles build without Internet? 
And is assumption, that Crashlytics can distinguish builds with the same versionCode and versionName, is correct? 
UPD. Before I got answer from Mike, I've also found insights on what's going on under the hood, by simply doing ./gradlew tasks --all in my projects root directory: 
 
 app:crashlyticsStoreDeobsRelease - Crashlytics target to be invoked after completing release builds. Cleans up Crashlytics-generated resource files. Caches and uploads deobfuscation files to Crashlytics servers.  
 app:crashlyticsUploadDeobsRelease - Uploads stored deobfuscation files to Crashlytics. 
 app:crashlyticsUploadDistributionDebug - Uploads an APK to Crashlytics for distribution. 
 app:crashlyticsUploadDistributionRelease - Uploads an APK to Crashlytics for distribution. 
 app:fabricGenerateResourcesDebug - Injects the build id used by the Fabric SDK. 
 app:fabricGenerateResourcesRelease - Injects the build id used by the Fabric SDK. 

原文：https://stackoverflow.com/questions/48512131

更新时间：2022-11-05 18:11

最满意答案

 你可以这样做：  
SELECT  MT.NQ, MT.ProductId, MT.Product, MT.Warehouse, MT.ProductType, MT.Transactiontime
FROM    @MaxTime MT
INNER JOIN (
                SELECT  ProductId
                ,       MAX(Transactiontime) AS 'TransactionTime'
                FROM    @MaxTime
                GROUP BY Productid
            ) GR
        ON  MT.ProductId = GR.ProductId
        AND MT.TransactionTime = GR.TransactionTime
ORDER BY MT.ProductId

You could do: 
SELECT  MT.NQ, MT.ProductId, MT.Product, MT.Warehouse, MT.ProductType, MT.Transactiontime
FROM    @MaxTime MT
INNER JOIN (
                SELECT  ProductId
                ,       MAX(Transactiontime) AS 'TransactionTime'
                FROM    @MaxTime
                GROUP BY Productid
            ) GR
        ON  MT.ProductId = GR.ProductId
        AND MT.TransactionTime = GR.TransactionTime
ORDER BY MT.ProductId

堆栈跟踪反混淆：带有ProGuard和Crashlytics的Android Studio(Stack trace deobfuscation: Android Studio with ProGuard and Crashlytics)

最满意答案

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