我正在为 Unihertz Titan 开发自定义 ROM，并且遇到了 FM Radio 应用程序的问题。它需要库“libfmjni.so”才能运行。最初，这个共享库位于 /product/lib 和 /product/lib64。
我从我的 stock rom 导出了 APK，即使库在那里，在它应该在的地方，我无法从除 /system_ext/lib64 之外的任何地方加载它。加载时，我收到消息：
2023-02-22 17:16:47.835 8185-8185/com.android.fmradio E/linker: library "/system/system_ext/lib64/libfmjni.so" ("/system/system_ext/lib64/libfmjni.so") needed or dlopened by "/apex/com.android.art/lib64/libnativeloader.so" is not accessible for the namespace: [name="classloader-namespace", ld_library_paths="", default_library_paths="", permitted_paths="/data:/mnt/expand:/data/user/0/com.android.fmradio"] 2023-02-22 17:16:47.836 8185-8185/com.android.fmradio D/AndroidRuntime: Shutting down VM 2023-02-22 17:16:47.837 8185-8185/com.android.fmradio E/AndroidRuntime: FATAL EXCEPTION: main Process: com.android.fmradio, PID: 8185 java.lang.UnsatisfiedLinkError: dlopen failed: library "/system/system_ext/lib64/libfmjni.so" needed or dlopened by "/apex/com.android.art/lib64/libnativeloader.so" is not accessible for the namespace "classloader-namespace" at java.lang.Runtime.loadLibrary0(Runtime.java:1077) at java.lang.Runtime.loadLibrary0(Runtime.java:998) at java.lang.System.loadLibrary(System.java:1661) at com.android.fmradio.FmNative.<clinit>(FmNative.java:24) at com.android.fmradio.FmService.openDevice(FmService.java:750) at com.android.fmradio.FmService.onCreate(FmService.java:1625) at android.app.ActivityThread.handleCreateService(ActivityThread.java:4485) at android.app.ActivityThread.-$$Nest$mhandleCreateService(Unknown Source:0) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2161) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loopOnce(Looper.java:201) at android.os.Looper.loop(Looper.java:288) at android.app.ActivityThread.main(ActivityThread.java:7872) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936) 2023-02-22 17:16:47.843 1393-1413/system_process I/ActivityManager: Showing crash dialog for package com.android.fmradio u0 2023-02-22 17:16:47.844 8185-8205/com.android.fmradio D/FmService: isBluetoothHeadsetInUse false 2023-02-22 17:16:47.844 8185-8205/com.android.fmradio D/FmService: onAudioPatchListUpdate, not power up2 2023-02-22 17:16:47.872 1393-1413/system_process D/CoreBackPreview: Window{cc8f5c5 u0 Application Error: com.android.fmradio}: Setting back callback OnBackInvokedCallbackInfo{mCallback=android.window.WindowOnBackInvokedDispatcher$OnBackInvokedCallbackWrapper@f120ed4, mPriority=0}我尝试将库放在 /data/,/mnt/expand/, /data/user/0/com.android.fmradio/,/data/user/0/com.android.fmradio/lib//data/ user/0/com.android.fmradio/libs/,/data/user/0/com.android.fmradio/lib64/,/data/user/0/com.android.fmradio/arm64-v8a/,/data/ user/0/com.android.fmradio/lib/arm64v-8a, /data/user/0/com.android.fmradio/libs/arm64v-8a
没什么。唯一对共享库有反应的地方是 /system_ext/lib64 并且它无法加载共享库，因为它不在允许的路径中。
我尝试将 arm64 和 arm 版本都推送到这些位置。