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Question

我试图用'espresso'编写简单的测试

@RunWith(AndroidJUnit4.class)
@LargeTest
public class EspressoTest {
    @Rule
    public ActivityRule<IntroActivity> mActivityRule = new ActivityRule(IntroActivity.class);

    public EspressoTest() {
        IdlingPolicies.setMasterPolicyTimeout(1000, TimeUnit.SECONDS);
    }

    @Test
    public void testShouldClickEmailButton() {
            onView(withText(R.string.in_email)).perform(click());
    }


}

但我得到一个错误：

PerformException: Error performing 'single click' on view 'with string from resource id: <2131099761>[in.email] value: Login With Email'.

我正在尝试不同的测试框架，robotium目前为止对我来说是最好的，但是如果有人可以解决此错误，我将不胜感激

UPD更详细的日志

由以下原因引起：java.lang.RuntimeException：由于目标视图与以下一个或多个约束不匹配，因此不会执行操作：向用户显示视图区域的至少90％。目标视图：“ DSeparatedButton {id = 2131427459，res-name = button_login，可见性= VISIBLE，宽度= 622，高度= 120，has-focus = false，has-focusable = true，has-window-focus = true，is- clickable = true，is-enabled = true，is-focused = false，is-focusable = true，is-layout-requested = false，is-selected = false，root-is-layout-requested = false，has-input- connection = false，x = 0.0，y = 333.0，text =使用电子邮件登录，input-type = 0，ime-target = false，has-links = false}“

我也有一点飞溅动画

Answer 1

@RunWith(AndroidJUnit4.class)
@LargeTest
public class EspressoTest {
    @Rule
    public ActivityTestRule<IntroActivity> mActivityRule = new ActivityTestRule(IntroActivity.class);



    @Test
    public void testShouldClickEmailButton() {
            mActivityRule.launch(new Intent());
            onView(withText(R.string.in_email)).perform(click());
    }


}