摘要： PackageInfo 新增 firstInstallTime 和 lastUpdateTime 可以查看一个软件的安装和上次更新时间，这比直接获取APK路径查看文件时间更可靠，对于付费的私有路径未root的机型无权限获取的。 /** * The time at which the app was first installed. Units are as * per {@link System#currentTimeMillis()}. */ public long firstInstallTime; /** * The time at which the app was last upda 阅读全文