您好，我正在使用realm数据库来开发我的应用程序，并使用roboelectric单元测试框架进行单元测试。我了解到realm是用本地C代码编写的，它有一个librealm-jni.so文件来实现其功能。
我遇到了UnsatisfiedLinkError错误，并在某个地方读到了robolectric不支持本地库的信息。我相信一定有办法解决它。我尝试了这个如何在使用Robolectric时加载.so文件？的最佳答案，但没有成功。
java.lang.UnsatisfiedLinkError: Can't load library: C:\Users\XS~1\AppData\Local\Temp\android-tmp-robolectric7796034244909642596\app_lib\realm-jni.dll.2.3.1
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1824)
at java.lang.Runtime.load0(Runtime.java:809)
at java.lang.System.load(System.java:1086)
at com.getkeepsafe.relinker.SystemLibraryLoader.loadPath(SystemLibraryLoader.java:29)
at com.getkeepsafe.relinker.ReLinkerInstance.loadLibraryInternal(ReLinkerInstance.java:198)
at com.getkeepsafe.relinker.ReLinkerInstance.loadLibrary(ReLinkerInstance.java:136)
at com.getkeepsafe.relinker.ReLinker.loadLibrary(ReLinker.java:70)
at com.getkeepsafe.relinker.ReLinker.loadLibrary(ReLinker.java:57)
at io.realm.internal.RealmCore.loadLibrary(RealmCore.java:59)
at io.realm.Realm.init(Realm.java:187)
at com.xyz.helloworld.HelloWorldApplication.onCreate(HelloWorldApplication.java:17)
at org.robolectric.internal.ParallelUniverse.setUpApplicationState(ParallelUniverse.java:147)
at org.robolectric.RobolectricTestRunner$2.evaluate(RobolectricTestRunner.java:329)
at org.robolectric.RobolectricTestRunner.runChild(RobolectricTestRunner.java:259)
at org.robolectric.RobolectricTestRunner.runChild(RobolectricTestRunner.java:41)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.robolectric.RobolectricTestRunner$1.evaluate(RobolectricTestRunner.java:199)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.runTestClass(JUnitTestClassExecuter.java:114)
at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.execute(JUnitTestClassExecuter.java:57)
at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassProcessor.processTestClass(JUnitTestClassProcessor.java:66)
at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:32)
at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
at com.sun.proxy.$Proxy2.processTestClass(Unknown Source)
at org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:109)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:377)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)
at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
HelloWorldApplication.java
public class HelloWorldApplication extends Application {
@Override
public void onCreate() {
super.onCreate();
Realm.init(this);
RealmConfiguration config = new RealmConfiguration.Builder()
.name("book.realm")
.schemaVersion(1)
.build();
Realm.setDefaultConfiguration(config);
}
protected void loadNativeLibraries() {
try {
System.loadLibrary("librealm-jni");
} catch (UnsatisfiedLinkError e) {
}
}
}
TestHelloWorldApplication.java
public class TestHelloWorldApplication extends HelloWorldApplication {
@Override
protected void loadNativeLibraries() {
//do nothing
}
}
oncreate活动中调用了realm方法，从概念上讲，在初始化realm数据库之前不允许我调用。 - N Sharma