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Android构建系统：Android.mk(2)函数详解

在这篇博客中，我将介绍Android.mk详解中的其中一个部分【函数】和make/m等命令概念的区分，Android.mk文件中使用Makefile中函数的概念和用法，以及一些常用的内置函数和自定义函数。通过使用函数，可以简化和优化Makefile中的字符串操作，可以实现一些复杂的功能。我会附上详细...

Android系统文件访问权限笔记

文件访问权限是 Android 系统中一个非常复杂且重要的内容，它决定了应用程序能够访问和操作哪些文件和目录。Android 系统对文件访问权限有严格的限制和管理。随着 Android 系统版本的不断更新，文件访问权限也有一些变化和变更，需要我们及时了解和学习以便应对需求。这块内容非常复杂庞大且内...

开源Android容器化框架Atlas开发者指南

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Android系统自动加载自定义JAR文件

Android操作系统是一个复杂的生态系统，有时我们可能需要在系统级别添加自定义的Java类库。本文将指导你如何在Android中系统级加载自定义的JAR文件。 1. 问题描述我是新增了个Framework binder demo ，这个demo包含(ClientDemo 和 ServerDemo...

Android系统自定义动态修改init.custom.rc

在 Android 操作系统的深层次，init.rc 文件扮演着至关重要的角色，它定义了系统启动时要运行的服务和命令。但如果想添加自己的自定义init.custom.rc 然后再自定义文件里添加自定义服务或命令，该怎么办呢？在本文中，我将探讨如何在 Android 系统中自定义和动态修改 init....

RK3568 Android系统客制化动态替换ro任意属性

在Android系统开发中，经常会遇到需要动态修改系统属性的情况。尤其是对于那些标记为只读的属性，修改它们可能会比较困难。本文将以RK3568 Android11为例，介绍如何动态替换任意的ro属性以及在此过程中遇到的问题和解决方案。需求背景在Android系统中，属性经常用于配置信息，例如设备...

RK3568 Android/Linux 系统动态更换 U-Boot/Kernel Logo

在Android/Linux开发中，开机 Logo 是设备品牌的标志，经常需要根据不同的客户或应用场景进行定制。对于 RK3568 平台，开机 Logo 通常是打包在固件的 img 文件中，这意味着每次更换 Logo 都需要重新编译并烧录整个固件，这无疑增加了开发的复杂性和浪费时间。本文将介绍一种在...

Android系统应用存储路径与权限

Android系统文件访问权限笔记 Android系统理解/sys/目录权限和UID和GID？ Android系统应用存储路径与权限 Android系统自定义系统和应用权限 Android系统 AppOps默认授予应用相应的权限 Android系统权限组管理和兼容性 ...

Android系统 adb shell push/pull 禁止特定文件

在Android系统中，adb shell是一个强大的工具，可以让我们在电脑上通过命令行操作Android设备上的文件和程序。其中，push和pull命令可以实现电脑和手机之间的文件传输，非常方便。但是，有时候(客制化需求或者防止某些内容被盗取)我们可能不希望某些文件被随意传输，比如系统敏感文件或者...

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