You can set PRODUCT_BOOT_JARS in your product makefile to add a jar to the
bootclasspath, but I'd suggest providing it as a library that the apps that
need it can load.
On Mon, Apr 15, 2019 at 8:06 AM Elliott Mazzuca <emazz...@gmail.com> wrote:
> I tried to give a specific title and i will elaborate a bit more:
>
> *What i am trying to do is expose the classes that are inside my jar file
> so they are on the default class path.*
>
> I have a sample app to test if this is working that i created that would
> uses these classes. But they don't appear in the images class path. so i
> get a "ClassNotFound Exception" when i try to instantiate.
>
>
>
>
> I have a custom .Jar file where i have my own package, lets call
> it com.sample.myCustomLibrary
>
> This jar file is created in the vendor space in AOSP P (android 9) using
> an Android.bp file.
>
>
> inside my Android.bp file, i have a "java_library"
>
> that looks like this:
>
> // myCustomLibrary.jar
> java_library {
> name: "com.sample.myCustomLibrary",
> owner: "sampleOwner",
> installable: true,
>
>
>
>
> javacflags = [
> "-Xmaxwarns 9999999",
> ],
>
>
> srcs: [
> "lib/src/main/java/**/*.java",
> ],
>
>
> dxflags: [ // not sure if i need this, but it
> didn't work
> "--core-library",
> "--multi-dex",
> ],
>
>
> optimize: {
> proguard_flags_files: [
> "lib/src/main/proguard-rules.pro",
> ],
> },
>
>
>
>
> vendor: true, // not sure if i need this but it didn't work
> dex_preopt: { // not sure if i need this but it didn't work
> app_image: true,
> },
> }
>
>
>
>
>
> I also added some of the classes to "preloaded-classes" under
> frameworks/base/config/preloaded-classes
>
>
> When i create a new AOSP build, i can see that the classes that i put into
> this "preloaded-classes" file are not exposed:
>
>
> W/Zygote: Class not found for preloading:
> com.sample.myCustomLibrary.sampleClass1
> W/Zygote: Class not found for preloading:
> com.sample.myCustomLibrary.sampleClass2
> W/Zygote: Class not found for preloading:
> com.sample.myCustomLibrary.sampleClass3
>
> and i added the package to the
> /build/make/core/tasks/check_boot_jars/package_whitelist.txt
>
> com\.sample\.myCusomLibrary
>
> though i can't get my classes inside my pacakge to show up on the default
> class path.
>
> Any ideas on the missing steps i need to take?
>
> thanks!
>
>
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