Android sd卡文件的相关内容

[帮助文档] 如何通过Android SDK打印下载文件的进度条

进度条用于指示上传或下载文件的进度。本文以GetObject接口为例介绍如何打印下载文件（Object）的进度条。

[帮助文档] 如何通过Android SDK重命名文件

OSS不支持直接对文件（Object）进行重命名。如果您需要在同一个Bucket内对Object进行重命名，您可以通过CopyObject接口将源Object拷贝至目标Object，然后通过DeleteObject接口删除源Object。

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[帮助文档] 如何通过Android SDK实现同名文件禁止覆盖

默认情况下，如果新添加文件（Object）与现有文件同名且对该文件有访问权限，则新添加的文件将覆盖原有的文件。本文介绍如何通过设置请求头x-oss-forbid-overwrite在简单上传、拷贝文件及分片上传等场景中禁止覆盖同名文件。

android12.0(S) 从SD卡导入vCard文件到通讯录号码带“-“ 如何把横线去除

问题现象导入号码格式核心代码如下，其中参数 defaultFormattingType 设置为 FORMAT_NANP最终得到号码为1-558-888-6666，参数设置为 FORMAT_JAPAN 则正常 String source = "15588886666"; //normal int de...

[帮助文档] 与Meta文件相关的API有哪些(Android)

本文介绍了与 Meta 文件相关的 API。

[帮助文档] 集成SDK时如何动态加载so文件

Android SDK提供so文件动态加载的功能，可以有效的减少安装包文件的大小。通过阅读本文，您可以了解在集成SDK时如何进行so文件的动态加载。

【Android 性能优化】应用启动优化 ( 方法追踪代码模板 | 示例项目 | SD 卡访问权限 | 示例代码 | 获取 Trace 文件 | Android Studio 查看文件)

文章目录一、方法追踪代码模板二、追踪 Launch 页面的 onCreate 方法执行情况1. 示例项目2. SD 卡访问权限问题 ( 动态权限申请 )3. MainActivity onCreate 方法追踪及动态权限申请三、查看 SD 卡根目录的 trace 文件四、 Android St...

Android--手持PDA读取SD卡中文件

　　近两年市场上很多Wince设备都开始转向Android操作系统，最近被迫使用Android开发PDA手持设备。主要功能是扫描登录,拣货,包装,发货几个功能。其中涉及到商品档的时候大概有700左右商品要导入到Android设备中，因为现场操作环境没有WiFi ,所以商品...

3-SII--Android的SD卡文件读写

零、前言 [1]读写SD卡需要运行时权限。 [2]如果对运行时权限不清楚的童鞋，可以看一下我的封装：TI--安卓运行时权限完美封装一、使用：SD卡文件读写 FileHelper fileHelper = FileHelper.get(); //在SD卡追加模式创建：data/writeFile2S...

android XMl 解析神奇xstream 五：把复杂对象转换成 xml ,并写入SD卡中的xml文件

前言：对xstream不理解的请看： android XMl 解析神奇xstream 一：解析android项目中 asset 文件夹下的 aa.xml 文件 android XMl 解析神奇xstream 二：把对象转换成xml android XMl 解析神奇xstream 三：把复杂对...

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