小编Ahm*_*eed的帖子

我正在关注这个关于 Material Components 的代码实验室，在完成它之后，我想我应该练习编写一些仪器测试。该应用程序运行良好。但是当我运行任何测试时，我不断收到此错误：

    java.lang.RuntimeException: android.view.InflateException: Binary XML file line #37: Binary 
    XML file line #37: Error inflating class 
    com.google.android.material.textfield.TextInputLayout
    at androidx.test.runner.MonitoringInstrumentation.runOnMainSync(MonitoringInstrumentation.java:450)
    at androidx.test.core.app.ActivityScenario.onActivity(ActivityScenario.java:564)
    at androidx.fragment.app.testing.FragmentScenario.internalLaunch(FragmentScenario.java:300)
    at androidx.fragment.app.testing.FragmentScenario.launchInContainer(FragmentScenario.java:282)
    at com.google.codelabs.mdc.kotlin.shrine.LoginFragmentTest.username_and_password_editTexts_visible(LoginFragmentTest.kt:64)
    at java.lang.reflect.Method.invoke(Native Method)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    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.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.junit.runners.Suite.runChild(Suite.java:128)
    at org.junit.runners.Suite.runChild(Suite.java:27)
    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.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
    at …