How to use UiController class of android.support.test.espresso package

Best Appium-espresso-driver code snippet using android.support.test.espresso.UiController

ContactDetailFragmentTest.kt

Source:ContactDetailFragmentTest.kt

1package net.radityalabs.contactapp2import android.app.Activity3import android.app.Instrumentation4import android.os.Build5import android.support.test.espresso.UiController6import android.support.test.espresso.ViewAction7import android.support.test.espresso.contrib.RecyclerViewActions8import android.support.test.espresso.intent.rule.IntentsTestRule9import android.support.test.filters.LargeTest10import android.support.test.rule.ActivityTestRule11import android.support.test.runner.AndroidJUnit412import android.view.View13import net.radityalabs.contactapp.data.network.response.ContactListResponse14import net.radityalabs.contactapp.presentation.ui.activity.ContactDetailActivity15import net.radityalabs.contactapp.presentation.ui.activity.ContactListActivity16import net.radityalabs.contactapp.presentation.ui.fragment.ContactDetailFragment17import net.radityalabs.contactapp.presentation.util.PhoneUtil18import net.radityalabs.contactapp.test.DrawableMatcher19import net.radityalabs.contactapp.test.FragmentTestRule20import org.hamcrest.Matcher21import org.junit.Before22import org.junit.Rule23import org.junit.Test24import org.junit.runner.RunWith25import android.support.test.espresso.Espresso.onView26import android.support.test.espresso.action.ViewActions.closeSoftKeyboard27import android.support.test.espresso.assertion.ViewAssertions.matches28import android.support.test.espresso.intent.Intents.intending29import android.support.test.espresso.intent.matcher.IntentMatchers.toPackage30import android.support.test.espresso.matcher.ViewMatchers.isDisplayed31import android.support.test.espresso.matcher.ViewMatchers.withId32import android.support.test.espresso.matcher.ViewMatchers.withText33import net.radityalabs.contactapp.test.ViewAction.setTextInTextView34/**35 * Created by radityagumay on 4/19/17.36 */37@RunWith(AndroidJUnit4::class)38@LargeTest39class ContactDetailFragmentTest {40    @Rule41    var mContactDetailFragmentRule = FragmentTestRule<ContactDetailFragment>(ContactDetailFragment::class.java)42    @Rule43    var mContactListRule = ActivityTestRule<ContactListActivity>(ContactListActivity::class.java)44    @Rule45    var mContactDetailRule = IntentsTestRule<ContactDetailActivity>(ContactDetailActivity::class.java, true, false)46    @Before47    fun setup() {48        startActivity()49    }50    @Test51    fun fragment_can_be_instantiated() {52        onView(withId(R.id.container)).check(matches(isDisplayed()))53    }54    @Test55    fun is_view_available() {56        onView(withId(R.id.rv_info)).check(matches(isDisplayed()))57        onView(withId(R.id.toolbar)).check(matches(isDisplayed()))58        onView(withId(R.id.tv_full_name)).check(matches(isDisplayed()))59        onView(withId(R.id.iv_image)).check(matches(isDisplayed()))60    }61    @Test62    fun is_widget_filled() {63        onView(withId(R.id.tv_full_name)).perform(setTextInTextView(STRING_TO_BE_TYPED), closeSoftKeyboard())64        onView(withId(R.id.tv_full_name)).check(matches(withText(STRING_TO_BE_TYPED)))65        onView(withId(R.id.iv_image)).check(matches(withDrawable(R.mipmap.ic_betty_allen)))66    }67    @Test68    fun send_sms_test() {69        val result = Instrumentation.ActivityResult(Activity.RESULT_OK, PhoneUtil.sms(PHONE_NUMBER))70        intending(toPackage(PACKAGE_ANDROID_DIALER)).respondWith(result)71        onView(withId(R.id.rv_info)).perform(RecyclerViewActions72                .actionOnItemAtPosition<ViewHolder>(0, object : ViewAction {73                    override fun getConstraints(): Matcher<View>? {74                        return null75                    }76                    override fun getDescription(): String {77                        return "Click on specific button"78                    }79                    override fun perform(uiController: UiController, view: View) {80                        val v = view.findViewById(R.id.iv_right_icon)81                        v.performClick()82                    }83                }))84    }85    @Test86    fun calling_test() {87        val result = Instrumentation.ActivityResult(Activity.RESULT_OK, PhoneUtil.call(PHONE_NUMBER))88        intending(toPackage(PACKAGE_ANDROID_DIALER)).respondWith(result)89        onView(withId(R.id.rv_info)).perform(RecyclerViewActions90                .actionOnItemAtPosition<ViewHolder>(0, object : ViewAction {91                    override fun getConstraints(): Matcher<View>? {92                        return null93                    }94                    override fun getDescription(): String {95                        return "Click on specific button"96                    }97                    override fun perform(uiController: UiController, view: View) {98                        val v = view.findViewById(R.id.iv_left_icon)99                        v.performClick()100                    }101                }))102    }103    private fun startActivity(): ContactDetailActivity {104        return mContactDetailRule.launchActivity(105                ContactDetailActivity.navigateTest(mContactListRule.activity, contactListResponse()))106    }107    private fun contactListResponse(): ContactListResponse {108        val obj = ContactListResponse()109        obj.id = 1110        obj.firstName = "adit"111        obj.lastName = "gumay"...

MainActivityTest.kt

Source:MainActivityTest.kt

...16package com.example.android.pictureinpicture17import android.content.pm.ActivityInfo18import android.support.test.InstrumentationRegistry19import android.support.test.espresso.Espresso.onView20import android.support.test.espresso.UiController21import android.support.test.espresso.ViewAction22import android.support.test.espresso.action.ViewActions.click23import android.support.test.espresso.assertion.ViewAssertions.matches24import android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom25import android.support.test.espresso.matcher.ViewMatchers.isDisplayed26import android.support.test.espresso.matcher.ViewMatchers.withId27import android.support.test.rule.ActivityTestRule28import android.support.test.runner.AndroidJUnit429import android.view.View30import com.example.android.pictureinpicture.widget.MovieView31import org.hamcrest.Description32import org.hamcrest.Matcher33import org.hamcrest.Matchers.not34import org.hamcrest.TypeSafeMatcher35import org.hamcrest.core.AllOf.allOf36import org.junit.Assert.assertNotNull37import org.junit.Assert.assertThat38import org.junit.Assert.assertTrue39import org.junit.Rule40import org.junit.Test41import org.junit.runner.RunWith42@RunWith(AndroidJUnit4::class)43class MainActivityTest {44    @Rule @JvmField45    val rule = ActivityTestRule(MainActivity::class.java)46    @Test47    fun movie_playingOnPip() {48        // The movie should be playing on start49        onView(withId(R.id.movie))50                .check(matches(allOf(isDisplayed(), isPlaying())))51                .perform(showControls())52        // Click on the button to enter Picture-in-Picture mode53        onView(withId(R.id.minimize)).perform(click())54        InstrumentationRegistry.getInstrumentation().waitForIdleSync()55        // The Activity is paused. We cannot use Espresso to test paused activities.56        rule.runOnUiThread {57            // We are now in Picture-in-Picture mode58            assertTrue(rule.activity.isInPictureInPictureMode)59            val view = rule.activity.findViewById<MovieView>(R.id.movie)60            assertNotNull(view)61            // The video should still be playing62            assertTrue(view.isPlaying)63        }64    }65    @Test66    fun movie_pauseAndResume() {67        // The movie should be playing on start68        onView(withId(R.id.movie))69                .check(matches(allOf(isDisplayed(), isPlaying())))70                .perform(showControls())71        // Pause72        onView(withId(R.id.toggle)).perform(click())73        onView(withId(R.id.movie)).check(matches(not(isPlaying())))74        // Resume75        onView(withId(R.id.toggle)).perform(click())76        onView(withId(R.id.movie)).check(matches(isPlaying()))77    }78    @Test79    fun fullscreen_enabledOnLandscape() {80        rule.runOnUiThread { rule.activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE }81        InstrumentationRegistry.getInstrumentation().waitForIdleSync()82        rule.runOnUiThread {83            val decorView = rule.activity.window.decorView84            assertThat(decorView.systemUiVisibility,85                    hasFlag(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN))86        }87    }88    @Test89    fun fullscreen_disabledOnPortrait() {90        rule.runOnUiThread {91            rule.activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT92        }93        InstrumentationRegistry.getInstrumentation().waitForIdleSync()94        rule.runOnUiThread {95            val decorView = rule.activity.window.decorView96            assertThat(decorView.systemUiVisibility,97                    not(hasFlag(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)))98        }99    }100    private fun isPlaying(): Matcher<View> {101        return object : TypeSafeMatcher<View>() {102            override fun matchesSafely(view: View): Boolean {103                return (view as MovieView).isPlaying104            }105            override fun describeTo(description: Description) {106                description.appendText("MovieView is playing")107            }108        }109    }110    private fun showControls(): ViewAction {111        return object : ViewAction {112            override fun getConstraints(): Matcher<View> {113                return isAssignableFrom(MovieView::class.java)114            }115            override fun getDescription(): String {116                return "Show controls of MovieView"117            }118            override fun perform(uiController: UiController, view: View) {119                uiController.loopMainThreadUntilIdle()120                (view as MovieView).showControls()121                uiController.loopMainThreadUntilIdle()122            }123        }124    }125    private fun hasFlag(flag: Int): Matcher<in Int> {126        return object : TypeSafeMatcher<Int>() {127            override fun matchesSafely(i: Int?): Boolean {128                return i?.and(flag) == flag129            }130            override fun describeTo(description: Description) {131                description.appendText("Flag integer contains " + flag)132            }...

ViewActions.kt

Source:ViewActions.kt

1package ru.ltst.u2020mvp.util2import android.support.test.espresso.PerformException3import android.support.test.espresso.UiController4import android.support.test.espresso.ViewAction5import android.support.test.espresso.action.GeneralLocation6import android.support.test.espresso.action.GeneralSwipeAction7import android.support.test.espresso.action.Press8import android.support.test.espresso.action.Swipe9import android.support.test.espresso.matcher.ViewMatchers.isRoot10import android.support.test.espresso.matcher.ViewMatchers.withId11import android.support.test.espresso.util.HumanReadables12import android.support.test.espresso.util.TreeIterables13import android.view.View14import org.hamcrest.CoreMatchers.any15import org.hamcrest.Matcher16import java.util.concurrent.TimeoutException17object ViewActions {18    /**19     * Perform action of waiting for a specific view id.20     *21     *22     * E.g.:23     * onView(isRoot()).perform(waitId(R.id.dialogEditor, Sampling.SECONDS_15));24     * @param viewId25     * *26     * @param millis27     * *28     * @return29     */30    fun waitId(viewId: Int, millis: Long): ViewAction {31        return object : ViewAction {32            override fun getConstraints(): Matcher<View> {33                return isRoot()34            }35            override fun getDescription(): String {36                return "wait for a specific view with id <$viewId> during $millis millis."37            }38            override fun perform(uiController: UiController, view: View) {39                uiController.loopMainThreadUntilIdle()40                val startTime = System.currentTimeMillis()41                val endTime = startTime + millis42                val viewMatcher = withId(viewId)43                do {44                    for (child in TreeIterables.breadthFirstViewTraversal(view)) {45                        // found view with required ID46                        if (viewMatcher.matches(child)) {47                            return48                        }49                    }50                    uiController.loopMainThreadForAtLeast(50)51                } while (System.currentTimeMillis() < endTime)52                // timeout happens53                throw PerformException.Builder().withActionDescription(this.description).withViewDescription(HumanReadables.describe(view)).withCause(TimeoutException()).build()54            }55        }56    }57    /**58     * Perform action of waiting for a specific time. Useful when you need59     * to wait for animations to end and Espresso fails at waiting.60     *61     *62     * E.g.:63     * onView(isRoot()).perform(waitAtLeast(Sampling.SECONDS_15));64     * @param millis65     * *66     * @return67     */68    fun waitAtLeast(millis: Long): ViewAction {69        return object : ViewAction {70            override fun getConstraints(): Matcher<View> {71                return any(View::class.java)72            }73            override fun getDescription(): String {74                return "wait for at least $millis millis."75            }76            override fun perform(uiController: UiController, view: View) {77                uiController.loopMainThreadUntilIdle()78                uiController.loopMainThreadForAtLeast(millis)79            }80        }81    }82    fun swipeTop(): ViewAction {83        return GeneralSwipeAction(Swipe.FAST, GeneralLocation.BOTTOM_CENTER, GeneralLocation.TOP_CENTER, Press.FINGER)84    }85    fun swipeBottom(): ViewAction {86        return GeneralSwipeAction(Swipe.FAST, GeneralLocation.TOP_CENTER, GeneralLocation.BOTTOM_CENTER, Press.FINGER)87    }88    /**89     * Perform action of waiting until UI thread is free.90     *91     *92     * E.g.:93     * onView(isRoot()).perform(waitUntilIdle());94     * @return95     */96    fun waitUntilIdle(): ViewAction {97        return object : ViewAction {98            override fun getConstraints(): Matcher<View> {99                return any(View::class.java)100            }101            override fun getDescription(): String {102                return "wait until UI thread is free"103            }104            override fun perform(uiController: UiController, view: View) {105                uiController.loopMainThreadUntilIdle()106            }107        }108    }109    fun withCustomConstraints(action: ViewAction, constraints: Matcher<View>): ViewAction {110        return object : ViewAction {111            override fun getDescription(): String {112                return action.description113            }114            override fun getConstraints(): Matcher<View> {115                return constraints;116            }117            override fun perform(uiController: UiController, view: View) {118                action.perform(uiController, view)119            }120        }121    }122}...

RecyclerViewUtils.kt

Source:RecyclerViewUtils.kt

1package eu.caraus.appsflastfm.testUtils.views2import android.support.test.espresso.contrib.RecyclerViewActions.scrollToPosition3import android.support.v7.widget.RecyclerView4import android.support.test.espresso.UiController5import android.support.test.espresso.matcher.ViewMatchers6import android.support.test.espresso.ViewAction7import android.support.test.espresso.util.HumanReadables8import android.support.test.espresso.PerformException9import android.support.annotation.IdRes10import android.support.test.espresso.Espresso11import android.support.test.espresso.assertion.ViewAssertions12import android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom13import android.support.test.espresso.matcher.ViewMatchers.isDisplayed14import android.view.View15import org.hamcrest.*16import org.hamcrest.Matchers.allOf17object RecyclerViewUtils {18    fun <VH : RecyclerView.ViewHolder> actionOnItemViewAtPosition( position:Int, @IdRes viewId:Int, viewAction:ViewAction):ViewAction {19        return ActionOnItemViewAtPositionViewAction<VH>(position, viewId, viewAction)20    }21    fun recyclerViewItemsCount(@IdRes RecyclerViewId: Int): Int {22        var COUNT = 023        val matcher = object : TypeSafeMatcher<View>() {24            override fun matchesSafely(item: View): Boolean {25                COUNT = (item as RecyclerView).adapter.itemCount26                return true27            }28            override fun describeTo(description: Description) {29            }30        }31        Espresso.onView(CoreMatchers.allOf(ViewMatchers.withId(RecyclerViewId), isDisplayed())).check(ViewAssertions.matches(matcher))32        val result = COUNT33        COUNT = 034        return result35    }36    class ActionOnItemViewAtPositionViewAction<VH : RecyclerView.ViewHolder>37    ( private val position:Int,38      @param:IdRes private val viewId:Int,39      private val viewAction:ViewAction )40        : ViewAction {41        override fun getConstraints(): Matcher<View> {42            return allOf( isAssignableFrom(RecyclerView::class.java), isDisplayed() )43        }44        override fun getDescription():String {45            return ("actionOnItemAtPosition performing ViewAction: " + this.viewAction.description + " on item at position: " + this.position)46        }47        override fun perform(uiController:UiController, view:View) {48            val recyclerView = view as RecyclerView49            ScrollToPositionViewAction(this.position).perform( uiController, view)50            uiController.loopMainThreadUntilIdle()51            val targetView = recyclerView.getChildAt(this.position).findViewById<View>(this.viewId)52            if (targetView == null)53            {54                throw PerformException.Builder().withActionDescription(this.toString())55                        .withViewDescription(56                                HumanReadables.describe(view))57                        .withCause(IllegalStateException(58                                "No view with id "59                                        + this.viewId60                                        + " found at position: "61                                        + this.position))62                        .build()63            }64            else65            {66                this.viewAction.perform(uiController, targetView)67            }68        }69    }70    class ScrollToPositionViewAction (71            private val position : Int )72        : ViewAction {73        override fun getConstraints():Matcher<View> {74            return allOf( isAssignableFrom(RecyclerView::class.java), isDisplayed() )75        }76        override fun getDescription():String {77            return "scroll RecyclerView to position: " + this.position78        }79        override fun perform(uiController:UiController, view:View) {80            val recyclerView = view as RecyclerView81            recyclerView.scrollToPosition(this.position)82        }83    }84    fun withRecyclerView( recyclerViewId : Int) : RecyclerViewMatcher {85        return RecyclerViewMatcher(recyclerViewId)86    }87}...

RecyclerViewItemInteractions.kt

Source:RecyclerViewItemInteractions.kt

1package br.com.concretesolutions.kappuccino.custom.recyclerView2import android.support.annotation.IdRes3import android.support.test.espresso.NoMatchingViewException4import android.support.test.espresso.PerformException.Builder5import android.support.test.espresso.UiController6import android.support.test.espresso.ViewAction7import android.support.test.espresso.ViewAssertion8import android.support.test.espresso.action.ViewActions9import android.support.test.espresso.matcher.ViewMatchers10import android.support.test.espresso.util.HumanReadables11import android.support.v7.widget.RecyclerView12import android.view.View13import org.hamcrest.Matcher14import org.hamcrest.Matchers15internal object RecyclerViewItemInteractions {16    internal const val rootViewId = -117    internal fun actionOnItemViewAtPosition(position: Int, @IdRes viewId: Int, viewAction: ViewAction): ViewAction {18        return ActionOnItemViewAtPositionViewAction(position, viewId, viewAction)19    }20    internal fun assertionOnItemViewAtPosition(position: Int, @IdRes viewId: Int = rootViewId, viewAssertion: ViewAssertion): ViewAssertion {21        return AssertionOnItemViewAtPosition(position, viewId, viewAssertion)22    }23    private class ActionOnItemViewAtPositionViewAction (24            private val position: Int,25            @IdRes private val viewId: Int,26            private val viewAction: ViewAction) : ViewAction {27        override fun getConstraints(): Matcher<View> = createConstraints()28        override fun getDescription(): String {29            return "actionOnItemAtPosition performing ViewAction: ${viewAction.description} on item at position: $position"30        }31        override fun perform(uiController: UiController, view: View) {32            val recyclerView = view as RecyclerView33            ScrollToPositionViewAction(position).perform(uiController, view)34            uiController.loopMainThreadUntilIdle()35            val targetView = recyclerView.getChildAt(position).apply {36                if (viewId == rootViewId) {37                    rootView38                } else {39                    findViewById<View>(viewId)40                }41            }42            if (targetView == null) {43                throw Builder()44                        .withActionDescription(this.toString())45                        .withViewDescription(HumanReadables.describe(view))46                        .withCause(IllegalStateException("No view with id $viewId found at position: $position"))47                        .build()48            } else {49                viewAction.perform(uiController, targetView)50            }51        }52    }53    private class AssertionOnItemViewAtPosition(private val position: Int,54                                                @IdRes private val viewId: Int,55                                                private val viewAssertion: ViewAssertion) : ViewAssertion {56        override fun check(view: View?, noViewFoundException: NoMatchingViewException?) {57            val recyclerView = view as RecyclerView58            actionOnItemViewAtPosition(position, viewId, ViewActions.scrollTo())59            val childAt = recyclerView.getChildAt(position)60            val targetView = childAt.findViewById<View>(viewId)61                    ?: throw Builder().withCause(noViewFoundException).build()62            viewAssertion.check(targetView, noViewFoundException)63        }64    }65    private class ScrollToPositionViewAction(private val position: Int) : ViewAction {66        override fun getConstraints(): Matcher<View> = createConstraints()67        override fun getDescription(): String {68            return "scroll RecyclerView to position: $position"69        }70        override fun perform(uiController: UiController, view: View) {71            val recyclerView = view as RecyclerView72            recyclerView.scrollToPosition(position)73        }74    }75    private fun createConstraints() = Matchers.allOf(76            ViewMatchers.isAssignableFrom(RecyclerView::class.java), ViewMatchers.isDisplayed())77}...

CenterSwipeAction.kt

Source:CenterSwipeAction.kt

1package ebanx.com.ego.utils2import android.support.test.espresso.PerformException3import android.support.test.espresso.UiController4import android.support.test.espresso.ViewAction5import android.support.test.espresso.action.CoordinatesProvider6import android.support.test.espresso.action.PrecisionDescriber7import android.support.test.espresso.action.Swiper8import android.support.test.espresso.matcher.ViewMatchers9import android.support.test.espresso.matcher.ViewMatchers.withEffectiveVisibility10import android.support.test.espresso.util.HumanReadables11import android.view.View12import android.view.ViewConfiguration13import org.hamcrest.Matcher14class CenterSwipeAction(private val swiper: Swiper,15                        private val startCoordProvide: CoordinatesProvider,16                        private val endCoordProvide: CoordinatesProvider,17                        private val precDesc: PrecisionDescriber) : ViewAction {18    override fun getConstraints(): Matcher<View> {19        return withEffectiveVisibility(ViewMatchers.Visibility.VISIBLE)20    }21    override fun getDescription(): String {22        return "swipe from middle of screen"23    }24    @Suppress("CatchRuntimeException")25    override fun perform(uiController: UiController, view: View) {26        val startCoord = startCoordProvide.calculateCoordinates(view)27        val finalCoord = endCoordProvide.calculateCoordinates(view)28        val precision = precDesc.describePrecision()29        // you could try this for several times until Swiper.Status is achieved or try count is reached30        try {31            swiper.sendSwipe(uiController, startCoord, finalCoord, precision)32        } catch (re: RuntimeException) {33            throw PerformException.Builder()34                    .withActionDescription(this.description)35                    .withViewDescription(HumanReadables.describe(view))36                    .withCause(re)37                    .build()38        }39        // ensures that the swipe has been run....

CustomViewActions.kt

Source:CustomViewActions.kt

1import android.support.test.espresso.Espresso.onView2import android.support.test.espresso.UiController3import android.support.test.espresso.ViewAction4import android.support.test.espresso.matcher.ViewMatchers.*5import android.support.v7.widget.RecyclerView6import android.view.View7import org.hamcrest.Matcher8import org.hamcrest.Matchers.allOf9object CustomViewActions {10    fun getTotalItemsFromRecyclerAdapter(resId: Int): Int {11        val counts = IntArray(1) { -1 }12        onView(withId(resId)).perform(object : ViewAction {13            override fun getDescription(): String {14                return "Getting recyclerView adapter's item count"15            }16            override fun getConstraints(): Matcher<View> {17                return isAssignableFrom(RecyclerView::class.java)18            }19            override fun perform(uiController: UiController?, view: View?) {20                if (view is RecyclerView) {21                    val count = view.adapter?.itemCount22                    if (count != null)23                        counts[0] = count24                }25            }26        })27        return counts[0]28    }29    fun recyclerScrollTo(position: Int): ViewAction {30        return object : ViewAction {31            override fun getConstraints(): Matcher<View> {32                //just checking whether thew view is recyclerView and is displayed33                return allOf<View>(isAssignableFrom(RecyclerView::class.java), isDisplayed())34            }35            override fun getDescription(): String {36                return "recyclerScrollTo:"37            }38            override fun perform(uiController: UiController, view: View) {39                val recyclerView = view as RecyclerView40                recyclerView.scrollToPosition(position)41            }42        }43    }44}...

ViewAction.kt

Source:ViewAction.kt

1package net.radityalabs.contactapp.test2import android.support.test.espresso.UiController3import android.view.View4import android.widget.TextView5import org.hamcrest.Matcher6import android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom7import android.support.test.espresso.matcher.ViewMatchers.isDisplayed8import org.hamcrest.CoreMatchers.allOf9/**10 * Created by radityagumay on 4/19/17.11 */12object ViewAction {13    fun setTextInTextView(value: String): android.support.test.espresso.ViewAction {14        return object : android.support.test.espresso.ViewAction {15            override fun getConstraints(): Matcher<View> {16                return allOf(isDisplayed(), isAssignableFrom(TextView::class.java!!))17            }18            override fun perform(uiController: UiController, view: View) {19                (view as TextView).text = value20            }21            override fun getDescription(): String {22                return "replace text"23            }24        }25    }26}...

UiController

Using AI Code Generation

1import android.support.test.espresso.UiController;2import android.support.test.espresso.ViewAction;3import android.support.test.espresso.matcher.ViewMatchers;4import android.support.test.rule.ActivityTestRule;5import android.support.test.runner.AndroidJUnit4;6import android.view.View;7import org.hamcrest.Matcher;8import org.junit.Rule;9import org.junit.Test;10import org.junit.runner.RunWith;11import static android.support.test.espresso.Espresso.onView;12import static android.support.test.espresso.action.ViewActions.click;13import static android.support.test.espresso.action.ViewActions.typeText;14import static android.support.test.espresso.assertion.ViewAssertions.matches;15import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;16import static android.support.test.espresso.matcher.ViewMatchers.withId;17import static android.support.test.espresso.matcher.ViewMatchers.withText;18import static org.hamcrest.Matchers.allOf;19@RunWith(AndroidJUnit4.class)20public class MainActivityTest {21public ActivityTestRule<MainActivity> mActivityTestRule = new ActivityTestRule<>(MainActivity.class);22public void mainActivityTest() {23ViewInteraction appCompatEditText = onView(24allOf(withId(R.id.etName),25childAtPosition(26allOf(withId(R.id.content_main),27childAtPosition(28withId(android.R.id.content),29isDisplayed()));30appCompatEditText.perform(click());31appCompatEditText.perform(replaceText("Hello World"), closeSoftKeyboard());32ViewInteraction appCompatButton = onView(33allOf(withId(R.id.btnSubmit), withText("Submit"),34childAtPosition(35allOf(withId(R.id.content_main),36childAtPosition(37withId(android.R.id.content),38isDisplayed()));39appCompatButton.perform(click());40onView(withId(R.id.tvText)).check(matches(withText("Hello World")));41}42private static ViewAction replaceText(final String text) {43return new ViewAction() {44public Matcher<View> getConstraints() {45return ViewMatchers.isAssignableFrom(TextView.class);46}47public String getDescription() {48return "replace text";49}50public void perform(UiController uiController, View view) {51((TextView) view).setText(text);52}53};54}55}56public class MainActivity extends AppCompatActivity {57private EditText etName;58private Button btnSubmit;59private TextView tvText;60protected void onCreate(Bundle savedInstanceState) {61super.onCreate(savedInstanceState);62setContentView(R.layout.activity_main);63etName = (EditText) findViewById(R.id.etName);64btnSubmit = (Button) findViewById(R.id.btnSubmit);65tvText = (TextView) findViewById(R.id.tvText);

UiController

Using AI Code Generation

1import android.support.test.espresso.UiController;2import android.support.test.espresso.ViewAction;3import android.support.test.espresso.matcher.ViewMatchers;4import android.view.View;5import android.widget.TextView;6import org.hamcrest.Matcher;7public class TextViewAction implements ViewAction {8public Matcher<View> getConstraints() {9return ViewMatchers.isAssignableFrom(TextView.class);10}11public String getDescription() {12return "replace text";13}14public void perform(UiController uiController, View view) {15((TextView) view).setText("new text");16}17}18import android.support.test.uiautomator.UiController;19import android.support.test.uiautomator.UiObject;20import android.support.test.uiautomator.UiObjectNotFoundException;21import android.support.test.uiautomator.UiSelector;22import android.view.View;23import android.widget.TextView;24import org.hamcrest.Matcher;25public class TextViewAction implements ViewAction {26public Matcher<View> getConstraints() {27return ViewMatchers.isAssignableFrom(TextView.class);28}29public String getDescription() {30return "replace text";31}32public void perform(UiController uiController, View view) {33UiObject uiObject = new UiObject(new UiSelector().text("old text"));34try {35uiObject.setText("new text");36} catch (UiObjectNotFoundException e) {37e.printStackTrace();38}39}40}41onView(withId(R.id.textView)).check(matches(withText("new text")));42onView(withId(R.id.textView)).perform(new TextViewAction());43public class MainActivityTest {44public void testTextView() {45onView(withId(R.id.textView)).perform(new TextViewAction());46onView(withId(R.id.textView)).check(matches(withText("new text")));47}48}

UiController

Using AI Code Generation

1import android.support.test.espresso.UiController;2import android.support.test.espresso.ViewAction;3import android.view.View;4import org.hamcrest.Matcher;5public class CustomViewAction {6public static ViewAction setTextInTextView(final String value) {7return new ViewAction() {8public Matcher<View> getConstraints() {9return null;10}11public String getDescription() {12return "Set value in the text view";13}14public void perform(UiController uiController, View view) {15((TextView)view).setText(value);16}17};18}19}20onView(withId(R.id.editText)).perform(CustomViewAction.setTextInTextView("Amit"));

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.