如何修改"vendor/etc/public.libraries.txt"；构建纯AOSP时 [英] How to modify "vendor/etc/public.libraries.txt" when building pure AOSP

问题描述

ENV :用于 marlin目标(PIXEL XL)

我想将自己的库 libOwnlibrary.so 添加到 vendor/etc/public.libraries.txt 白名单文件中，以便可以从自己的 system/priv-app/MyOwnApp.apk APK

I want to add my own library libOwnlibrary.so to the vendor/etc/public.libraries.txt whitelist file so that I can load it from my own system/priv-app/MyOwnApp.apk APK

目前，我收到以下错误消息:

Currently I get the following error:

java.lang.UnsatisfiedLinkError: dlopen failed: library "/system/lib/libOwnlibrary.so" needed or dlopened by "/system/lib/libnativeloader.so" is not accessible for the namespace "classloader-namespace"

由于Android 7.0(API 24)引入的限制，这是有道理的: https://developer.android.com/about/versions/牛轧糖/android-7.0-changes#ndk

Which makes sense due to the limitations introduced with Android 7.0 (API 24): https://developer.android.com/about/versions/nougat/android-7.0-changes#ndk

从Android 7.0开始，系统会动态阻止应用链接到非NDK库，这可能会导致您的应用崩溃.

Starting in Android 7.0, the system prevents apps from dynamically linking against non-NDK libraries, which may cause your app to crash.

我当前的设置:

AOSP-root-folder/
    - vendor/
        - myvendor/
            device-partial.mk (this basically instructs `make` to copy libOwnlibrary.so to vendor/lib/libOwnlibrary.so
                    ```PRODUCT_COPY_FILES := .. .so```
            proprietary/
                Android.mk (pushes presigned prebuilt MyOwnApp.apk to /system/priv-app)
                    ```... include$(BUILD_PREBUILT)```

我应该更改/添加什么，以便能够修改 vendor/etc/public.libaries.txt 白名单文件以向其中添加 libOwnlibrary.so .

What should I change / add in order to be able to modify the vendor/etc/public.libaries.txt whitelist file to add libOwnlibrary.so to it.

！！！一种可行的方法是将 libOwnlibrary.so 添加到

AOSP-root-folder/system/core/rootdir/etc/public.libraries.android.txt

会在设备上转换为 system/etc/public.libraries.txt ，

但意味着将我的库从 vendor/lib 移到 system/lib ，并且我认为这是不允许的 !!!

BUT that would mean moving my lib to system/lib from vendor/lib and I don't think that's allowed. !!!

推荐答案

在device-partial.mk中添加一个步骤，以将您的lib名称附加到现有文件 vendor/etc/public.libaries.txt

Add a step in device-partial.mk to append your lib name to the existing file vendor/etc/public.libaries.txt

此步骤后

device-partial.mk (this basically instructs `make` to copy libOwnlibrary.so to vendor/lib/libOwnlibrary.so
                    ```PRODUCT_COPY_FILES := .. .so```

这篇关于如何修改"vendor/etc/public.libraries.txt"；构建纯AOSP时的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！