Removing magic constant 0.8f from AllApps

am: 7028b10c54

Change-Id: Ifb5c044f0297f2944efd348b6dff97e02ddbfb91

tests/tapl/com/android/launcher3/tapl/AllApps.java

@@ -90,6 +90,7 @@ public class AllApps extends LauncherInstrumentation.VisibleContainer {
             final UiObject2 allAppsContainer = verifyActiveContainer();
             final UiObject2 appListRecycler = mLauncher.waitForObjectInContainer(allAppsContainer,
                     "apps_list_view");
+            final UiObject2 searchBox = getSearchBox(allAppsContainer);
             allAppsContainer.setGestureMargins(
                     0,
                     getSearchBox(allAppsContainer).getVisibleBounds().bottom + 1,
@@ -103,7 +104,11 @@ public class AllApps extends LauncherInstrumentation.VisibleContainer {
                 int scroll = getScroll(allAppsContainer);
                 try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer("scrolled")) {
                     while (!hasClickableIcon(allAppsContainer, appListRecycler, appIconSelector)) {
-                        mLauncher.scroll(allAppsContainer, Direction.DOWN, 0.8f, null, 50);
+                        mLauncher.scrollToLastVisibleRow(
+                                allAppsContainer,
+                                mLauncher.getObjectsInContainer(allAppsContainer, "icon"),
+                                searchBox.getVisibleBounds().bottom -
+                                        allAppsContainer.getVisibleBounds().top);
                         final int newScroll = getScroll(allAppsContainer);
                         if (newScroll == scroll) break;
 

tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java

@@ -59,6 +59,7 @@ import androidx.test.uiautomator.UiDevice;
 import androidx.test.uiautomator.UiObject2;
 import androidx.test.uiautomator.Until;
 
+import com.android.launcher3.ResourceUtils;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.systemui.shared.system.QuickStepContract;
 
@@ -67,6 +68,8 @@ import org.junit.Assert;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.lang.ref.WeakReference;
+import java.util.Collection;
+import java.util.Collections;
 import java.util.Deque;
 import java.util.LinkedList;
 import java.util.List;
@@ -765,6 +768,36 @@ public final class LauncherInstrumentation {
                 TestProtocol.stateOrdinalToString(parcel.getInt(TestProtocol.STATE_FIELD)));
     }
 
+    int getBottomGestureSize() {
+        return ResourceUtils.getNavbarSize(
+                ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, getResources()) + 1;
+    }
+
+    int getBottomGestureMargin(UiObject2 container) {
+        return container.getVisibleBounds().bottom - getRealDisplaySize().y +
+                getBottomGestureSize();
+    }
+
+    void scrollToLastVisibleRow(UiObject2 container, Collection<UiObject2> items, int topPadding) {
+        final UiObject2 lowestItem = Collections.max(items, (i1, i2) ->
+                Integer.compare(i1.getVisibleBounds().top, i2.getVisibleBounds().top));
+
+        final int gestureStart = lowestItem.getVisibleBounds().top + getTouchSlop();
+        final int distance = gestureStart - container.getVisibleBounds().top - topPadding;
+        final int bottomMargin = container.getVisibleBounds().height() - distance;
+
+        scroll(
+                container,
+                Direction.DOWN,
+                1f,
+                new Rect(
+                        0,
+                        0,
+                        0,
+                        Math.max(bottomMargin, getBottomGestureMargin(container))),
+                150);
+    }
+
     void scroll(UiObject2 container, Direction direction, float percent, Rect margins, int steps) {
         final Rect rect = container.getVisibleBounds();
         if (margins != null) {

tests/tapl/com/android/launcher3/tapl/Widgets.java

@@ -24,10 +24,7 @@ import androidx.test.uiautomator.BySelector;
 import androidx.test.uiautomator.Direction;
 import androidx.test.uiautomator.UiObject2;
 
-import com.android.launcher3.ResourceUtils;
-
 import java.util.Collection;
-import java.util.Collections;
 
 /**
  * All widgets container.
@@ -52,7 +49,7 @@ public final class Widgets extends LauncherInstrumentation.VisibleContainer {
                     widgetsContainer,
                     Direction.DOWN,
                     1f,
-                    new Rect(0, 0, 0, getBottomGestureMargin(widgetsContainer)),
+                    new Rect(0, 0, 0, mLauncher.getBottomGestureMargin(widgetsContainer)),
                     FLING_STEPS);
             try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer("flung forward")) {
                 verifyActiveContainer();
@@ -61,16 +58,6 @@ public final class Widgets extends LauncherInstrumentation.VisibleContainer {
         }
     }
 
-    private int getBottomGestureMargin(UiObject2 widgetsContainer) {
-        return widgetsContainer.getVisibleBounds().bottom - mLauncher.getRealDisplaySize().y +
-                getBottomGestureSize();
-    }
-
-    private int getBottomGestureSize() {
-        return ResourceUtils.getNavbarSize(
-                ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, mLauncher.getResources()) + 1;
-    }
-
     /**
      * Flings backward (up) and waits the fling's end.
      */
@@ -117,29 +104,14 @@ public final class Widgets extends LauncherInstrumentation.VisibleContainer {
                         "com.android.launcher3.widget.WidgetCell",
                         widget.getClassName());
 
-                if (widget.getVisibleBounds().bottom <= displaySize.y - getBottomGestureSize()) {
+                if (widget.getVisibleBounds().bottom <=
+                        displaySize.y - mLauncher.getBottomGestureSize()) {
                     return new Widget(mLauncher, widget);
                 }
             }
 
             mLauncher.assertTrue("Too many attempts", ++i <= 40);
-            final UiObject2 lowestCell = Collections.max(cells, (c1, c2) ->
+            mLauncher.scrollToLastVisibleRow(widgetsContainer, cells, 0);
-                    Integer.compare(c1.getVisibleBounds().top, c2.getVisibleBounds().top));
-
-            final int gestureStart = lowestCell.getVisibleBounds().top + mLauncher.getTouchSlop();
-            final int distance = gestureStart - widgetsContainer.getVisibleBounds().top;
-            final int bottomMargin = widgetsContainer.getVisibleBounds().height() - distance;
-
-            mLauncher.scroll(
-                    widgetsContainer,
-                    Direction.DOWN,
-                    1f,
-                    new Rect(
-                            0,
-                            0,
-                            0,
-                            Math.max(bottomMargin, getBottomGestureMargin(widgetsContainer))),
-                    150);
         }
     }
 }