BackupAgentHelper:不会调用onRestore 我从此链接安装了示例BackupRestore。 https://android.googlesource.com/platform/development/+/0b3758ea4e53f9bfd0b112eaa4a7dd7b7f4040f5/samples/BackupRestoreF2%2 %2F%2F%2F%2F%2F%2F%2F%2F%2F 我无法还原数据。 OnBack .. 发布时间:2020-06-05 18:46:51 android android-backup-service backup-agent 移动开发