[英]Buck - java.lang.UnsatisfiedLinkError: couldn't find “libjni.so”. How to solve it?
A runtime exception is happening after executing the command buck install --run demo_app_android
following this tutorial and this sample demo 在执行本教程和此示例演示之后,执行命令
buck install --run demo_app_android
后发生运行时异常
Then, the following is shown in console 然后,控制台中显示以下内容
Installing apk on emulator-5554 (null).
[-] PROCESSING BUCK FILES...FINISHED 0.0s [100%] 🐌 File removed
[-] DOWNLOADING... (0.00 B/S AVG, TOTAL: 0.00 B, 0 Artifacts)
[-] BUILDING...FINISHED 0.8s [100%] (1/1 JOBS, 1 UPDATED, 0 [0.0%] CACHE MISS)
[+] INSTALLING...2.1s
Successfully ran install apk //android:demo-app on 1 device(s)
Starting activity com.facebook.buck.demo/.App...
Successfully ran start activity on 1 device(s)
Finally, the device shows a message saying Buck Demo App has stopped
The app was successfully installed as I can see it on the apps list but it's not working 最终, 设备显示一条消息,提示
Buck Demo App has stopped
该应用已成功安装,因为我可以在应用列表中看到它,但无法正常工作
Stacktrace: 堆栈跟踪:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.facebook.buck.demo, PID: 7265
java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.facebook.buck.demo-1/base.apk"],nativeLibraryDirectories=[/data/app/com.facebook.buck.demo-1/lib/x86, /system/lib, /vendor/lib]]] couldn't find "libjni.so"
at java.lang.Runtime.loadLibrary0(Runtime.java:972)
at java.lang.System.loadLibrary(System.java:1530)
at com.facebook.buck.demo.Hello.<init>(Hello.java:13)
at com.facebook.buck.demo.App.onCreate(App.java:24)
at android.app.Activity.performCreate(Activity.java:6662)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2599)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:756)
Device specs: 设备规格:
My computer: 我的电脑:
Note: Also, this issue was reported directly to the buck repository but no solution was given yet 注意:此外,此问题已直接报告到buck存储库,但尚未提供解决方案
Any idea about how to solve it? 关于如何解决的任何想法?
Repeating the answer from github: 重复来自github的答案:
You need to install Android NDK from here (version 10e) and set ANDROID_NDK_REPOSITORY
to the location of the unpacked NDK (see buckconfig section for more info). 您需要从此处 (版本10e)安装Android NDK,并将
ANDROID_NDK_REPOSITORY
设置为未打包的 NDK的位置(有关更多信息,请参见buckconfig部分)。
For example, if you unpack NDK to ~/tmp/ndk
(so that there is a directory ~/tmp/ndk/android-ndk-r10e
), you need to set ANDROID_NDK_REPOSITORY
to ~/tmp/ndk
. 例如,如果将NDK解压缩到
~/tmp/ndk
(因此存在目录~/tmp/ndk/android-ndk-r10e
),则需要将ANDROID_NDK_REPOSITORY
设置为~/tmp/ndk
。
After that delete old cache and rebuild the app: 之后,删除旧的缓存并重建应用程序:
$ buck kill && rm -rf buck-out
$ buck build demo_app_android
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