Adding test to check view inflation during swipe up

Bug: 137851409
Change-Id: Ic8e6f0b3c667051b921d1d4fad03c94122ee92e9

tests/src/com/android/launcher3/testcomponent/ListViewService.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.testcomponent;
+
+import android.content.Intent;
+import android.os.IBinder;
+import android.widget.RemoteViews;
+import android.widget.RemoteViewsService;
+
+public class ListViewService extends RemoteViewsService {
+
+    public static IBinder sBinderForTest;
+
+    @Override
+    public RemoteViewsFactory onGetViewFactory(Intent intent) {
+        return new SimpleViewsFactory();
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return sBinderForTest != null ? sBinderForTest : super.onBind(intent);
+    }
+
+    public static class SimpleViewsFactory implements RemoteViewsFactory {
+
+        public int viewCount = 0;
+
+        @Override
+        public void onCreate() { }
+
+        @Override
+        public void onDataSetChanged() { }
+
+        @Override
+        public void onDestroy() { }
+
+        @Override
+        public int getCount() {
+            return viewCount;
+        }
+
+        @Override
+        public RemoteViews getViewAt(int i) {
+            RemoteViews views = new RemoteViews("android", android.R.layout.simple_list_item_1);
+            views.setTextViewText(android.R.id.text1, getLabel(i));
+            return views;
+        }
+
+        public String getLabel(int i) {
+            return "Item " + i;
+        }
+
+        @Override
+        public RemoteViews getLoadingView() {
+            return null;
+        }
+
+        @Override
+        public int getViewTypeCount() {
+            return 1;
+        }
+
+        @Override
+        public long getItemId(int i) {
+            return i;
+        }
+
+        @Override
+        public boolean hasStableIds() {
+            return false;
+        }
+
+        public IBinder toBinder() {
+            return new RemoteViewsService() {
+                @Override
+                public RemoteViewsFactory onGetViewFactory(Intent intent) {
+                    return SimpleViewsFactory.this;
+                }
+            }.onBind(new Intent("dummy_intent"));
+        }
+    }
+}