PRODUCT_BOOT_JARS can't be set in your Android.mk, it has to be set in your
product makefiles that are selected by your lunch target.
On Mon, Apr 15, 2019 at 11:20 AM Elliott Mazzuca <emazz...@gmail.com> wrote:
> Thaks for the fast reply Colin!
>
> I tried adding the suggested change into my local Android.mk file and now
> i get the following issue:
>
> vendor/xxxx/sample/mycustomelib/apk/anotherSampelFolder/*Android.mk:20*:
> error: cannot assign to readonly variable: PRODUCT_BOOT_JARS
>
>
> why is this considered a readonly variable? is there a prerequisite step
> i need to do before setting this?
>
> thanks again!
>
> On Monday, April 15, 2019 at 12:48:37 PM UTC-4, Colin Cross wrote:
>>
>> 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 <emaz...@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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