commit a007740815e96876d5a4c294245e45358915f222
author Fengjiang Li <fengjial@google.com> Sun Jan 29 16:57:22 2023 -0800
committer Fengjiang Li <fengjial@google.com> Wed Feb 01 10:18:52 2023 -0800
tree 9e0cc90b05067efaf4bf90b116204fecf9abb174
parent ba73400fe15034ff79e75b3f9c4b71e0e49cb4d5

[Predictive Back] Hide inactive recycler view when work profile is enabled on tablet

This CL will make sure scale animation doesn't reveal the offscreen main/work recycler view on tablet in all apps to home transition

Bug: b/267226558
Test: manual, see before/after video in bug
Change-Id: I9a8add0ac2c902e3f4315de099939f9297f6604a

res/layout/all_apps_tabs.xml

diff --git a/res/layout/all_apps_tabs.xml b/res/layout/all_apps_tabs.xml
index 6dcae21..9710557 100644
--- a/res/layout/all_apps_tabs.xml
+++ b/res/layout/all_apps_tabs.xml
@@ -23,6 +23,7 @@
     android:layout_gravity="center_horizontal|top"
     android:layout_marginTop="@dimen/all_apps_header_pill_height"
     android:clipChildren="true"
+    android:clipToOutline="true"
     android:clipToPadding="false"
     android:descendantFocusability="afterDescendants"
     android:paddingTop="@dimen/all_apps_paged_view_top_padding"

src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java

diff --git a/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java b/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
index 3bb8fb4..f413318 100644
--- a/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
@@ -16,6 +16,7 @@
 package com.android.launcher3.allapps;
 
 import static com.android.launcher3.allapps.ActivityAllAppsContainerView.AdapterHolder.SEARCH;
+import static com.android.launcher3.allapps.AllAppsTransitionController.SWIPE_ALL_APPS_TO_HOME_MIN_SCALE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_COUNT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_TAP_ON_PERSONAL_TAB;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_TAP_ON_WORK_TAB;
@@ -26,6 +27,7 @@
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Color;
+import android.graphics.Outline;
 import android.graphics.Paint;
 import android.graphics.Path;
 import android.graphics.Path.Direction;
@@ -44,12 +46,14 @@
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.ViewOutlineProvider;
 import android.view.WindowInsets;
 import android.widget.Button;
 import android.widget.RelativeLayout;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.Px;
 import androidx.annotation.VisibleForTesting;
 import androidx.core.graphics.ColorUtils;
 import androidx.recyclerview.widget.RecyclerView;
@@ -502,6 +506,19 @@
             mViewPager = (AllAppsPagedView) rvContainer;
             mViewPager.initParentViews(this);
             mViewPager.getPageIndicator().setOnActivePageChangedListener(this);
+            mViewPager.setOutlineProvider(new ViewOutlineProvider() {
+                @Override
+                public void getOutline(View view, Outline outline) {
+                    @Px final int bottomOffsetPx =
+                            (int) (ActivityAllAppsContainerView.this.getMeasuredHeight()
+                                    * SWIPE_ALL_APPS_TO_HOME_MIN_SCALE);
+                    outline.setRect(
+                            0,
+                            0,
+                            view.getMeasuredWidth(),
+                            view.getMeasuredHeight() + bottomOffsetPx);
+                }
+            });
 
             mWorkManager.reset();
             post(() -> mAH.get(AdapterHolder.WORK).applyPadding());