Android存储空间-阿里云

[帮助文档] 如何通过Android SDK列举存储空间

存储空间（Bucket）是用来存储对象（Object）的容器。对象都隶属于存储空间。存储空间按照字母顺序排列。您可以列举当前账号所有地域下符合指定条件的存储空间。

Android10-系统存储空间显示源码分析

1、系统设置显示包括总空间，已用空间，可用空间源码位置：packages/apps/Settings/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceController.java/** * Updat...

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小存储容量手机有救了！Android 新归档功能可释放 60% 存储空间

相信很多内存不够的用户都有过卸载、下载又卸载...重复的一个大循环动作。值得庆幸的是，日前 Google 研究出了一个解决方案，有望解决用户面临的这个问题。3 月 8 日，Google Play 产品经理 Lidia Gaymond 宣布，谷歌为 Android 系统开发了一个名为应用归档（App ...

【错误记录】Android 分区存储下的 SD 卡应用专属外部存储空间目录访问 ( 需手动创建应用专属外部存储空间目录 )

文章目录一、报错信息二、解决方案一、报错信息开发时 , 需要向外置 SD 卡中拷贝一些文件 , 应用读取这些文件 , 进行相关配置 ;但是 Android 系统 , 并不会主动为应用创建文件 , 外置 SD 卡的应用专属外部存储空间目录 , 需要开发者自己创建 ;当前的包名是 com.example...

【Android 文件管理】应用可访问的存储空间 ( 存储空间分类 | 存储空间访问权限 | 分区存储 )

文章目录一、存储空间分类二、存储空间访问权限三、分区存储四、相关文档资料一、存储空间分类在 Android 9 99（ API 级别 28 2828 ) 及以下版本中 , Android 文件存储空间分为两类 ,内部存储空间外部存储空间内部存储空间的可靠性高于外部存储空间 ;在 Android 10...

【Android 热修复】热修复原理 ( Dex 文件拷贝后续操作 | 外部存储空间权限申请 | 执行效果验证 | 源码资源 )

文章目录一、Dex 文件准备二、外部存储空间权限申请1、清单文件申请权限2、动态申请权限三、文件拷贝1、文件拷贝2、执行效果四、源码资源一、Dex 文件准备在【Android 热修复】热修复原理 ( 修复包 Dex 文件准备 | Dex 优化为 Odex | Dex 文件拷贝 | 源码资源 ) ...

程序员：怎样释放你的Android手机存储空间

Android应用在运行之中会产生一些数据，比如图片的缓存，数据库文件，配置文件等等。我们开发时可能会有这样的一个需求清除应用内缓存的数据，可以让用户选择删除应用内产生的数据，这也是比较人性化的设计点。过多的缓存会占用手机的存储空间，据说也会降低手机的IO性能。下面这是简书Android APP中...

Android：StatFs类获取系统/sdcard存储空间信息

在存储文件时，为了保证有充足的存储空间大小，通常需要知道系统内部或者sdcard的剩余存储空间大小，这里就需要用到StatFs类。 1. 判断 SDCard 是否存在,并且是否具有可读写权限 [java] view plaincopyprint? /** * 外部存储是否可用 (存在且具...

Android获取外部和内部存储空间总大小

android.os下的StatFs类主要用来获取文件系统的状态，能够获取sd卡的大小和剩余空间，获取系统内部空间也就是/system的大小和剩余空间等等。看下读取sd卡的： Java代码 void readS...

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