androidx.test.espresso.PerformException: Error performing 'single click - At Coordinates: 539, 1709 and precision: 16, 16' on view 'with id is <net.twisterrob.android.capture_image.test:id/btn_capture>'.
at androidx.test.espresso.PerformException$Builder.build(PerformException.java:5)
at androidx.test.espresso.base.DefaultFailureHandler.getUserFriendlyError(DefaultFailureHandler.java:25)
at androidx.test.espresso.base.DefaultFailureHandler.handle(DefaultFailureHandler.java:36)
at androidx.test.espresso.ViewInteraction.waitForAndHandleInteractionResults(ViewInteraction.java:106)
at androidx.test.espresso.ViewInteraction.desugaredPerform(ViewInteraction.java:43)
at androidx.test.espresso.ViewInteraction.perform(ViewInteraction.java:94)
at net.twisterrob.android.activity.CaptureImageActivityActor.take(CaptureImageActivityActor.java:170)
at net.twisterrob.android.activity.CaptureImageTest.rotationKeepsTheImage(CaptureImageTest.java:33)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at androidx.test.internal.runner.junit4.statement.RunBefores.evaluate(RunBefores.java:80)
at net.twisterrob.android.test.espresso.ScreenshotFailure$ScreenshotStatement.evaluate(ScreenshotFailure.java:100)
at net.twisterrob.android.test.junit.SensibleActivityTestRule$TestLogger$1.evaluate(SensibleActivityTestRule.java:138)
at androidx.test.rule.ActivityTestRule$ActivityStatement.evaluate(ActivityTestRule.java:549)
at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at androidx.test.ext.junit.runners.AndroidJUnit4.run(AndroidJUnit4.java:154)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:27)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
at androidx.test.internal.runner.TestExecutor.execute(TestExecutor.java:56)
at androidx.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:395)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1837)
Caused by: java.lang.RuntimeException: getParameters failed (empty parameters)
at android.hardware.Camera.native_getParameters(Native Method)
at android.hardware.Camera.getParameters(Camera.java:1888)
at net.twisterrob.android.view.CameraPreview.focus(CameraPreview.java:294)
at net.twisterrob.android.view.CameraPreview.takePicture(CameraPreview.java:233)
at net.twisterrob.android.activity.CaptureImage.take(CaptureImage.java:496)
at net.twisterrob.android.activity.CaptureImage$CaptureClickListener.onClick(CaptureImage.java:658)
at android.view.View.performClick(View.java:4756)
at android.view.View$PerformClick.run(View.java:19749)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at androidx.test.espresso.base.Interrogator.loopAndInterrogate(Interrogator.java:53)
at androidx.test.espresso.base.UiControllerImpl.loopUntil(UiControllerImpl.java:155)
at androidx.test.espresso.base.UiControllerImpl.loopUntil(UiControllerImpl.java:149)
at androidx.test.espresso.base.UiControllerImpl.injectMotionEvent(UiControllerImpl.java:53)
at androidx.test.espresso.action.MotionEvents.sendUp(MotionEvents.java:122)
at androidx.test.espresso.action.MotionEvents.sendUp(MotionEvents.java:117)
at androidx.test.espresso.action.Tap.sendSingleTap(Tap.java:27)
at androidx.test.espresso.action.Tap.access$100(Tap.java:21)
at androidx.test.espresso.action.Tap$1.sendTap(Tap.java:3)
at androidx.test.espresso.action.GeneralClickAction.perform(GeneralClickAction.java:23)
at androidx.test.espresso.ViewInteraction$SingleExecutionViewAction.perform(ViewInteraction.java:16)
at androidx.test.espresso.ViewInteraction.doPerform(ViewInteraction.java:65)
at androidx.test.espresso.ViewInteraction.access$100(ViewInteraction.java:15)
at androidx.test.espresso.ViewInteraction$1.call(ViewInteraction.java:3)
at androidx.test.espresso.ViewInteraction$1.call(ViewInteraction.java:2)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5221)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
locally API 21 consistently fails with #2.
Interesting reasoning: https://stackoverflow.com/a/16123406/253468