Android自动备份:传输拒绝包
Android自动备份:传输拒绝包
提问于 2016-11-10 14:30:11
我正在试着测试Android自动备份。我在一个7.1设备上，应用程序清单包含：android:fullBackupOnly="true"。当我发出一个adb shell bmgr backupnow <package>命令(所以post用占位符替换我的包名)时，我得到了一个看起来像是失败的东西：
Running backup for 1 requested packages.
Package @pm@ with result: Success
Package <package> with result: Transport rejected package
Backup finished with result: Success如果我将清单更改为android:fullBackupOnly="false" (即使用旧的K/V备份)，然后重新发出backupnow命令，我得到的结果看起来是成功的：
Running backup for 1 requested packages.
Package @pm@ with result: Success
Package <package> with result: Success
Backup finished with result: Success查看拒绝案例中的Logcat，我看到了以下内容：
11-10 09:27:59.660 1683-1683/? D/AndroidRuntime: Calling main entry com.android.commands.bmgr.Bmgr
11-10 09:27:59.669 1035-2498/? V/PerformBackupTask: Beginning backup of 0 targets
11-10 09:27:59.677 1035-2498/? D/PerformBackupTask: invokeAgentForBackup on @pm@
11-10 09:27:59.685 1035-2498/? I/BackupRestoreController: Getting widget state for user: 0
11-10 09:27:59.691 1035-2498/? D/PerformBackupTask: Starting full backups for: [<package>]
11-10 09:27:59.692 1035-2498/? I/BackupManagerService: K/V backup pass finished.
11-10 09:27:59.693 1035-1699/? I/PFTBT: Initiating full-data transport backup of <package>
11-10 09:27:59.695 12554-12566/? I/Backup: [GmsBackupTransport] Attempt to do full backup on <package>
11-10 09:27:59.697 1035-1699/? I/PFTBT: Transport rejected backup of <package>, skipping
11-10 09:27:59.697 1035-1699/? I/PFTBT: Unbinding agent in <package>
11-10 09:27:59.697 1035-1699/? W/ActivityManager: Unbinding backup agent with no active backup
11-10 09:27:59.697 1035-1699/? I/PFTBT: Full backup completed with status: 0
11-10 09:27:59.697 1035-1699/? I/BackupManagerService: Full data backup pass finished.这些都是相关的内容：
11-10 09:27:59.695 12554-12566/? I/Backup: [GmsBackupTransport] Attempt to do full backup on <package>
11-10 09:27:59.697 1035-1699/? I/PFTBT: Transport rejected backup of <package>, skipping为什么完全/自动备份失败？
以下是成功案例(K/V)的完整逻辑：
11-10 09:31:21.750 2200-2200/? D/AndroidRuntime: Calling main entry com.android.commands.bmgr.Bmgr
11-10 09:31:21.762 1035-2498/? V/PerformBackupTask: Beginning backup of 1 targets
11-10 09:31:21.768 1035-2498/? D/PerformBackupTask: invokeAgentForBackup on @pm@
11-10 09:31:21.775 1035-2498/? I/BackupRestoreController: Getting widget state for user: 0
11-10 09:31:21.780 1035-2498/? D/PerformBackupTask: starting key/value backup of BackupRequest{pkg= <package>}
11-10 09:31:21.783 1035-2498/? D/BackupManagerService: awaiting agent for ApplicationInfo{b68136a <package>}
11-10 09:31:21.793 1035-1815/? D/BackupManagerService: agentConnected pkg= <package> agent=android.os.BinderProxy@6750684
11-10 09:31:21.793 1035-2498/? I/BackupManagerService: got agent android.app.IBackupAgent$Stub$Proxy@5e82e6d
11-10 09:31:21.793 1035-2498/? D/PerformBackupTask: invokeAgentForBackup on <package>
11-10 09:31:21.796 1908-1920/ <package> D/BackupAgent: onBackup
11-10 09:31:21.796 1908-1920/ <package> D/BackupHelperDispatcher: handling existing helper 'data' <package>.io.DbBackupHelper@35d5ebe
11-10 09:31:21.798 1908-1920/ <package> D/BackupHelperDispatcher: handling existing helper 'prefs' android.app.backup.SharedPreferencesBackupHelper@6936b1f
11-10 09:31:21.800 1035-2498/? I/BackupRestoreController: Getting widget state for user: 0
11-10 09:31:21.805 2200-2200/? D/AndroidRuntime: Shutting down VM
11-10 09:31:21.807 1035-2498/? I/BackupManagerService: K/V backup pass finished.回答 2
Stack Overflow用户
发布于 2016-12-02 13:44:30
https://developer.android.com/guide/topics/data/testingbackup.html的文档说明如下：
超额限额 如果在logcat中看到以下消息： I/PFTBT:传输拒绝的包备份，跳过 -或者 I/PFTBT:超过货包运输配额:包裹 您的应用程序已超过配额，并已被禁止备份该设备上的数据。若要解除禁令，请工厂重置设备或更改备份帐户。
Stack Overflow用户
发布于 2017-04-28 07:33:14
我得到了同样的错误，并最终找到了解决方案：
targetSdkLevel in build.gradle必须设置为23或更高版本。
如果targetSdkLevel设置为21，则该项目将在模拟器中编译并运行良好。但是为了能够使用Google作为备份目标(我猜我们大多数人都在使用)，它必须至少有23个。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/40530028
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