Android文件读写的相关内容

文章 2024-05-07 来自：开发者社区

android 11后文件读写访问权限申请

android 11后对文件读写访问权限管理与 android 10又有了新的要求，导致在读写或者访问时出现error:java.io.FileNotFoundException: /storage/emulated/0/file_path open failed: EACCES (Permission denied)，以下为android 11文件管理权限申请办法 ...

阿里云文档 2024-02-19

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。

阿里云文档 2024-02-19

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。

阿里云文档 2024-02-19

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。

阿里云文档 2023-09-03

集成SDK时如何动态加载so文件_音视频通信(RTC)

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。

阿里云文档 2023-09-03

与Meta文件相关的API有哪些(Android)_智能双录质检(IDRS Service)

本文介绍了与 Meta 文件相关的 API。

文章 2023-02-11 来自：开发者社区

Android 11 上的文件读写权限(MANAGE_EXTERNAL_STORAGE)

平台 Android11 + RK3566 + AndroidStudioAndroid 权限的变化, 几乎每个版本的SDK都会有, 其中最大的一次是在6.0时, 增加的动态权限申请读写存储的权限也几经更迭, 对开发人员来说, 越来越难.比如, 本文所要讨论的:允许管理所有文件如何出现上面两种不同的文件权限选项?1.首先是 targetSdkVersion 大于等于 ....

文章 2019-07-10 来自：开发者社区

android 文件读写

android 文件读写读取： public static String _getJsonString(String fileName) throws IOException { if ((fileName == null) || fileName.isEmpty()) { return ""; } String retString = "...

文章 2018-08-26 来自：开发者社区

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/writeFile2SD.txt文件，写入"toly" fileHelper.writeFile2SD("data/...

文章 2017-11-24 来自：开发者社区

Android系统中的任意文件读写方法

最近用了一个root工具，从中学习到从Android系统中上传、下载任意文件的方法： echo off cls adb shell mv /data/local/tmp /data/local/tmp.bak adb shell ln -s /d...

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