Close system dialogs when opening all apps from system action

Bug: 161685099
Change-Id: I67313340102816828a95e8f9e7d8fa19b4ca3c55

quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java

@@ -27,6 +27,7 @@ import static com.android.launcher3.testing.TestProtocol.OVERVIEW_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.QUICK_SWITCH_STATE_ORDINAL;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.quickstep.SysUINavigationMode.Mode.NO_BUTTON;
+import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_HOME_KEY;
 
 import android.content.Intent;
 import android.content.res.Configuration;
@@ -75,6 +76,7 @@ import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 
+import com.android.systemui.shared.system.ActivityManagerWrapper;
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.util.ArrayList;
@@ -148,6 +150,13 @@ public class QuickstepLauncher extends BaseQuickstepLauncher {
         }
     }
 
+    @Override
+    protected void showAllAppsFromIntent(boolean alreadyOnHome) {
+        ActivityManagerWrapper.getInstance().closeSystemWindows(
+            CLOSE_SYSTEM_WINDOWS_REASON_HOME_KEY);
+        super.showAllAppsFromIntent(alreadyOnHome);
+    }
+
     @Override
     public void folderCreatedFromItem(Folder folder, WorkspaceItemInfo itemInfo) {
         super.folderCreatedFromItem(folder, itemInfo);

src/com/android/launcher3/Launcher.java

@@ -1451,12 +1451,17 @@ public class Launcher extends StatefulActivity<LauncherState> implements Launche
             }
             mOverlayManager.hideOverlay(isStarted() && !isForceInvisible());
         } else if (Intent.ACTION_ALL_APPS.equals(intent.getAction())) {
-            getStateManager().goToState(ALL_APPS, alreadyOnHome);
+            showAllAppsFromIntent(alreadyOnHome);
         }
 
         TraceHelper.INSTANCE.endSection(traceToken);
     }
 
+    protected void showAllAppsFromIntent(boolean alreadyOnHome) {
+        AbstractFloatingView.closeAllOpenViews(this);
+        getStateManager().goToState(ALL_APPS, alreadyOnHome);
+    }
+
     /**
      * Hides the keyboard if visible
      */