Add types to Matchers to avoid warnings about raw types and unchecked

method invocations.

PiperOrigin-RevId: 286404247

Author: ikim24

tests/javatests/com/google/android/material/appbar/AppBarLayoutBaseTest.java

@@ -39,6 +39,7 @@
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
 import android.text.TextUtils;
+import android.view.View;
 import android.widget.TextView;
 import com.google.android.material.internal.BaseDynamicCoordinatorLayoutTest;
 import com.google.android.material.resources.TextAppearanceConfig;
@@ -113,16 +114,16 @@ protected void assertScrimAlpha(@IntRange(from = 0, to = 255) int alpha) {
     onView(withId(R.id.collapsing_app_bar)).check(matches(withScrimAlpha(alpha)));
   }
 
-  static Matcher withScrimAlpha(final int alpha) {
-    return new TypeSafeMatcher<CollapsingToolbarLayout>() {
+  static Matcher<View> withScrimAlpha(final int alpha) {
+    return new TypeSafeMatcher<View>(CollapsingToolbarLayout.class) {
       @Override
       public void describeTo(Description description) {
         description.appendText("CollapsingToolbarLayout has content scrim with alpha: " + alpha);
       }
 
       @Override
-      protected boolean matchesSafely(CollapsingToolbarLayout view) {
-        return alpha == view.getScrimAlpha();
+      protected boolean matchesSafely(View view) {
+        return alpha == ((CollapsingToolbarLayout) view).getScrimAlpha();
       }
     };
   }

tests/javatests/com/google/android/material/navigation/NavigationViewTest.java

@@ -249,7 +249,7 @@ public void testBackground() {
       // direct child of RecyclerView which is expected to have the background set
       // on it. If the internal implementation of NavigationView changes, the second
       // Matcher below will need to be tweaked.
-      Matcher menuItemMatcher =
+      Matcher<View> menuItemMatcher =
           allOf(
               hasDescendant(withText(menuStringContent.get(MENU_CONTENT_ITEM_IDS[i]))),
               isChildOfA(isAssignableFrom(RecyclerView.class)),
@@ -265,7 +265,7 @@ public void testBackground() {
     // And check that all the menu items have the new fill
     final @ColorInt int newFillColorBlue = ResourcesCompat.getColor(res, R.color.test_blue, null);
     for (int i = 0; i < MENU_CONTENT_ITEM_IDS.length; i++) {
-      Matcher menuItemMatcher =
+      Matcher<View> menuItemMatcher =
           allOf(
               hasDescendant(withText(menuStringContent.get(MENU_CONTENT_ITEM_IDS[i]))),
               isChildOfA(isAssignableFrom(RecyclerView.class)),
@@ -283,7 +283,7 @@ public void testBackground() {
     // And check that all the menu items have the new fill
     final @ColorInt int newFillColorGreen = ResourcesCompat.getColor(res, R.color.test_green, null);
     for (int i = 0; i < MENU_CONTENT_ITEM_IDS.length; i++) {
-      Matcher menuItemMatcher =
+      Matcher<View> menuItemMatcher =
           allOf(
               hasDescendant(withText(menuStringContent.get(MENU_CONTENT_ITEM_IDS[i]))),
               isChildOfA(isAssignableFrom(RecyclerView.class)),
@@ -575,15 +575,15 @@ private void verifyCheckedAppearance(
 
       // For the background fill check we need to select a view that has its background
       // set by the current implementation (see disclaimer in testBackground)
-      Matcher menuItemMatcher =
+      Matcher<View> menuItemMatcher =
           allOf(
               hasDescendant(withText(menuStringContent.get(MENU_CONTENT_ITEM_IDS[i]))),
               isChildOfA(isAssignableFrom(RecyclerView.class)),
               isDescendantOfA(withId(R.id.start_drawer)));
       onView(menuItemMatcher).check(matches(withBackgroundFill(expectedItemBackground)));
 
       // And for the foreground color check we need to select a view with the text content
-      Matcher menuItemTextMatcher =
+      Matcher<View> menuItemTextMatcher =
           allOf(
               withText(menuStringContent.get(MENU_CONTENT_ITEM_IDS[i])),
               isDescendantOfA(withId(R.id.start_drawer)));
@@ -684,7 +684,7 @@ public void testActionLayout() {
     // details of the NavigationMenu, while conditions 3 and 4 aim to be as generic as
     // possible and to not rely on the internal details of the current layout implementation
     // of an individual menu item in NavigationMenu.
-    Matcher menuItemMatcher =
+    Matcher<View> menuItemMatcher =
         allOf(
             isDescendantOfA(withId(R.id.start_drawer)),
             isChildOfA(isAssignableFrom(RecyclerView.class)),
@@ -698,7 +698,7 @@ public void testActionLayout() {
 
     // Check that the full custom view is displayed without title and icon.
     final Resources res = activityTestRule.getActivity().getResources();
-    Matcher customItemMatcher =
+    Matcher<View> customItemMatcher =
         allOf(
             isDescendantOfA(withId(R.id.start_drawer)),
             isChildOfA(isAssignableFrom(RecyclerView.class)),