Merge pull request #210 from Unlimity/nested-scroll-view-support

Add NestedScrollView support in scrollTo()

kakao/src/main/kotlin/com/agoda/kakao/common/actions/BaseActions.kt

@@ -82,7 +82,7 @@ interface BaseActions {
      * Scrolls to the view, if possible
      */
     fun scrollTo() {
-        view.perform(ViewActions.scrollTo())
+        view.perform(NestedScrollToAction())
     }
 
     /**

kakao/src/main/kotlin/com/agoda/kakao/common/actions/NestedScrollToAction.kt

@@ -0,0 +1,33 @@
+package com.agoda.kakao.common.actions
+
+import android.view.View
+import android.widget.HorizontalScrollView
+import android.widget.ListView
+import android.widget.ScrollView
+import androidx.core.widget.NestedScrollView
+import androidx.test.espresso.ViewAction
+import androidx.test.espresso.action.ScrollToAction
+import androidx.test.espresso.matcher.ViewMatchers
+import androidx.test.espresso.matcher.ViewMatchers.isAssignableFrom
+import androidx.test.espresso.matcher.ViewMatchers.isDescendantOfA
+import androidx.test.espresso.matcher.ViewMatchers.withEffectiveVisibility
+import org.hamcrest.Matcher
+import org.hamcrest.Matchers.allOf
+import org.hamcrest.Matchers.anyOf
+
+/**
+ * Scrolls to a given view with [NestedScrollView] support.
+ */
+class NestedScrollToAction : ViewAction by ScrollToAction() {
+    override fun getConstraints(): Matcher<View> = allOf(
+        withEffectiveVisibility(ViewMatchers.Visibility.VISIBLE),
+        isDescendantOfA(
+            anyOf(
+                isAssignableFrom(ScrollView::class.java),
+                isAssignableFrom(HorizontalScrollView::class.java),
+                isAssignableFrom(NestedScrollView::class.java),
+                isAssignableFrom(ListView::class.java)
+            )
+        )
+    )
+}

sample/src/androidTest/kotlin/com/agoda/sample/TestActivityTest.kt

@@ -150,6 +150,10 @@ class TestActivityTest {
                 swipeSwitchThumb(RIGHT)
                 isChecked()
             }
+
+            nestedTextView {
+                scrollTo()
+            }
         }
     }
 }

sample/src/androidTest/kotlin/com/agoda/sample/screen/TestActivityScreen.kt

@@ -44,6 +44,7 @@ open class TestActivityScreen : Screen<TestActivityScreen>() {
     val seekbar: KSeekBar = KSeekBar { withId(R.id.seek_bar) }
     val switch: KSwitch = KSwitch { withId(R.id.switch_view) }
     val switchCompat: KSwitch = KSwitch { withId(R.id.switch_compat) }
+    val nestedTextView: KTextView = KTextView { withId(R.id.nested_scroll_text_view) }
 
     val snackbar: KSnackbar = KSnackbar()
 }

sample/src/main/res/layout/activity_test.xml

@@ -158,6 +158,18 @@
           android:paddingRight="32dp"
           android:text="Switch compat" />
 
+      <androidx.core.widget.NestedScrollView
+          android:layout_width="match_parent"
+          android:layout_height="wrap_content" >
+
+        <TextView
+            android:id="@+id/nested_scroll_text_view"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Text in a nested scroll view" />
+
+      </androidx.core.widget.NestedScrollView>
+
     </LinearLayout>
   </ScrollView>