android – 尝试滚动查看,但不显示视图

概述使用Espresso我尝试滚动到linearlayout内的textview – 但我得到这个例外： android.support.test.espresso.PerformException: Error performing 'scroll to' on view 'with id: org.ligi.gobandroid_hd:id/final_points'.at android. 使用Espresso我尝试滚动到linearlayout内的textvIEw – 但我得到这个例外：

androID.support.test.espresso.PerformException: Error performing 'scroll to' on vIEw 'with ID: org.ligi.gobandroID_hd:ID/final_points'.at androID.support.test.espresso.PerformException$Builder.build(PerformException.java:83)at androID.support.test.espresso.base.DefaultFailureHandler.getUserFrIEndlyError(DefaultFailureHandler.java:70)at androID.support.test.espresso.base.DefaultFailureHandler.handle(DefaultFailureHandler.java:53)at reporting.SpooningFailureHandler.handle(SpooningFailureHandler.java:31)at androID.support.test.espresso.VIEwInteraction.runSynchronouslyOnUiThread(VIEwInteraction.java:184)at androID.support.test.espresso.VIEwInteraction.doPerform(VIEwInteraction.java:115)at androID.support.test.espresso.VIEwInteraction.perform(VIEwInteraction.java:87)at org.ligi.gobandroIDhd.uitest.TheGameScoringActivity.testThatTapToMarkWorks(TheGameScoringActivity.java:65)at java.lang.reflect.Method.invoke(Native Method)at java.lang.reflect.Method.invoke(Method.java:372)at androID.test.InstrumentationTestCase.runMethod(InstrumentationTestCase.java:214)at androID.test.InstrumentationTestCase.runTest(InstrumentationTestCase.java:199)at androID.test.ActivityInstrumentationTestCase2.runTest(ActivityInstrumentationTestCase2.java:192)at junit.framework.TestCase.runbare(TestCase.java:134)at junit.framework.TestResult.protect(TestResult.java:115)at junit.framework.TestResult.runProtected(TestResult.java:133)at androID.support.test.internal.runner.junit3.DelegatingTestResult.runProtected(DelegatingTestResult.java:90)at junit.framework.TestResult.run(TestResult.java:118)at androID.support.test.internal.runner.junit3.AndroIDTestResult.run(AndroIDTestResult.java:49)at junit.framework.TestCase.run(TestCase.java:124)at androID.support.test.internal.runner.junit3.NonLeakyTestSuite$NonLeakyTest.run(NonLeakyTestSuite.java:63)at junit.framework.TestSuite.runTest(TestSuite.java:243)at junit.framework.TestSuite.run(TestSuite.java:238)at androID.support.test.internal.runner.junit3.DelegatingTestSuite.run(DelegatingTestSuite.java:103)at androID.support.test.internal.runner.junit3.AndroIDTestSuite.run(AndroIDTestSuite.java:63)at androID.support.test.internal.runner.junit3.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90)at org.junit.runners.Suite.runchild(Suite.java:128)at org.junit.runners.Suite.runchild(Suite.java:27)at org.junit.runners.ParentRunner.run(ParentRunner.java:290)at org.junit.runners.ParentRunner.schedule(ParentRunner.java:71)at org.junit.runners.ParentRunner.runchildren(ParentRunner.java:288)at org.junit.runners.ParentRunner.access0(ParentRunner.java:58)at org.junit.runners.ParentRunner.evaluate(ParentRunner.java:268)at org.junit.runners.ParentRunner.run(ParentRunner.java:363)at org.junit.runner.JUnitCore.run(JUnitCore.java:137)at org.junit.runner.JUnitCore.run(JUnitCore.java:115)at androID.support.test.internal.runner.TestExecutor.execute(TestExecutor.java:54)at androID.support.test.runner.AndroIDJUnitRunner.onStart(AndroIDJUnitRunner.java:228)at androID.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1853)Caused by: java.lang.RuntimeException: Scrolling to vIEw was attempted,but the vIEw is not displayedat androID.support.test.espresso.action.ScrollToAction.perform(ScrollToAction.java:66)at androID.support.test.espresso.VIEwInteraction.run(VIEwInteraction.java:144)at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422)at java.util.concurrent.FutureTask.run(FutureTask.java:237)at androID.os.Handler.handleCallback(Handler.java:739)at androID.os.Handler.dispatchMessage(Handler.java:95)at androID.os.Looper.loop(Looper.java:135)at androID.app.ActivityThread.main(ActivityThread.java:5257)at java.lang.reflect.Method.invoke(Native Method)at java.lang.reflect.Method.invoke(Method.java:372)at com.androID.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)at com.androID.internal.os.ZygoteInit.main(ZygoteInit.java:698)

我可以手动滚动到这个视图.

解决方法 当ScrollVIEw有一个填充时出现问题 – 将它放到ScrollVIEw内部的布局中,一切正常.也许是坐标计算中的一个错误.

例如：

总结

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