在esspresso android中从自定义视图中简单获取视图

androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'

onView(withId(R.id.customView))

import androidx.test.espresso.matcher.ViewMatchers;
import androidx.test.ext.junit.rules.ActivityScenarioRule;
import androidx.test.filters.LargeTest;
import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.runner.AndroidJUnit4;

import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;

import static androidx.test.espresso.Espresso.onView;
import static androidx.test.espresso.action.ViewActions.click;
import static androidx.test.espresso.assertion.ViewAssertions.matches;
import static androidx.test.espresso.matcher.ViewMatchers.withId;

@RunWith(AndroidJUnit4.class)
@LargeTest
public class CustomViewTest {

    @Rule
    public ActivityScenarioRule<MainActivity> activityScenarioRule =
            new ActivityScenarioRule<>(MainActivity.class);

    @Test
    public void testCustomView() {
        // 获取自定义视图并执行点击操作
        onView(withId(R.id.customView))
                .perform(click());

        // 验证自定义视图的某个属性是否符合预期
        onView(withId(R.id.customView))
                .check(matches(ViewMatchers.isDisplayed()));
    }
}