Android文件源码的相关内容

[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。

Android App开发网络通信中使用okhttp下载和上传图片、文件讲解及实战（超详细实现用户注册信息上传附源码）

需要源码请点赞关注收藏后评论区留言并且私信~~~一、使用okhttp下载图片okhttp不但简化了HTTP接口的调用过程，连下载文件都变得简单了，对于一般的文件下载，按照常规的GET方式调用流程，只要重写回调方法onResponse，在该方法中通过应答对象的body方法即可获得应答的数据包对象，调用...

Android App开发手机阅读中PDF文件渲染器的讲解及使用（附源码简单易懂）

需要源码和图片集请点赞关注收藏后评论区留言~~~一、PDF文件渲染器Android集成了PDF的渲染操作，从很大程度上方便了开发者，这个PDF文件渲染器便是PdfRenderer。渲染器允许从存储卡读取PDF文件打开PDF文件只是第一步，接下来使用PdfRenderer工具加载PDF文件，并进行相关...

[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 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 )

文章目录一、修复包 Dex 文件准备二、Odex 优化三、Dex 文件拷贝四、源码资源一、修复包 Dex 文件准备异常代码 : 故意写一个异常代码 , 并执行该代码 , 肯定会崩溃 ;package kim.hsl.hotfix; import android.util.Log; public c...

【Android 安全】DEX 加密 ( 代理 Application 开发 | 加载 dex 文件 | 使用反射获取方法创建本应用的 dexElements | 各版本创建 dex 数组源码对比 )（二）

Android 8.0 (Oreo API 25) 系统中创建 Element[] dexElements 的方法 :/*package*/ final class DexPathList { private Element[] dexElements; public DexPathList(Cla...

【Android 安全】DEX 加密 ( 代理 Application 开发 | 加载 dex 文件 | 使用反射获取方法创建本应用的 dexElements | 各版本创建 dex 数组源码对比 )（一）

文章目录一、不同 Android 系统创建 dex 数组源码对比二、不同 Android 系统创建 dex 数组源码对比三、 Android 5.1 及以下系统反射方法并创建 Element[] dexElements四、 Android 6.0 及以下系统反射方法并创建 Element[] dex...

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