Updating the title of the Add to homescreen prompt to the requesting app

instead of the Launcher name

Bug: 239055068
Test: Verified on device
Change-Id: I1494d911565ddf3a598f9fbf372b8d784a4276e4

src/com/android/launcher3/dragndrop/AddItemActivity.java

@@ -31,6 +31,7 @@ import android.appwidget.AppWidgetProviderInfo;
 import android.content.ClipData;
 import android.content.ClipDescription;
 import android.content.Intent;
+import android.content.pm.ApplicationInfo;
 import android.content.pm.LauncherApps.PinItemRequest;
 import android.content.pm.ShortcutInfo;
 import android.content.res.Configuration;
@@ -62,6 +63,8 @@ import com.android.launcher3.model.ItemInstallQueue;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.pm.PinRequestHelper;
+import com.android.launcher3.util.PackageManagerHelper;
+import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.views.AbstractSlideInView;
 import com.android.launcher3.views.BaseDragLayer;
@@ -136,13 +139,25 @@ public class AddItemActivity extends BaseActivity
         mAccessibilityManager =
                 getApplicationContext().getSystemService(AccessibilityManager.class);
 
-        if (mRequest.getRequestType() == PinItemRequest.REQUEST_TYPE_SHORTCUT) {
-            setupShortcut();
-        } else {
-            if (!setupWidget()) {
-                // TODO: show error toast?
-                finish();
-            }
+        PackageUserKey targetApp = null;
+        switch (mRequest.getRequestType()) {
+            case PinItemRequest.REQUEST_TYPE_SHORTCUT:
+                targetApp = setupShortcut();
+                break;
+            case PinItemRequest.REQUEST_TYPE_APPWIDGET:
+                targetApp = setupWidget();
+                break;
+        }
+        if (targetApp == null) {
+            // TODO: show error toast?
+            finish();
+            return;
+        }
+        ApplicationInfo info = new PackageManagerHelper(this)
+                .getApplicationInfo(targetApp.mPackageName, targetApp.mUser, 0);
+        if (info == null) {
+            finish();
+            return;
         }
 
         WidgetCellPreview previewContainer = mWidgetCell.findViewById(
@@ -156,8 +171,10 @@ public class AddItemActivity extends BaseActivity
             logCommand(LAUNCHER_ADD_EXTERNAL_ITEM_START);
         }
 
+        // Set the label synchronously instead of via IconCache as this is the first thing
+        // user sees
         TextView widgetAppName = findViewById(R.id.widget_appName);
-        widgetAppName.setText(getApplicationInfo().labelRes);
+        widgetAppName.setText(info.loadLabel(getPackageManager()));
 
         mSlideInView = findViewById(R.id.add_item_bottom_sheet);
         mSlideInView.addOnCloseListener(this);
@@ -246,20 +263,23 @@ public class AddItemActivity extends BaseActivity
         }
     }
 
-    private void setupShortcut() {
+    private PackageUserKey setupShortcut() {
         PinShortcutRequestActivityInfo shortcutInfo =
                 new PinShortcutRequestActivityInfo(mRequest, this);
         mWidgetCell.getWidgetView().setTag(new PendingAddShortcutInfo(shortcutInfo));
         applyWidgetItemAsync(
                 () -> new WidgetItem(shortcutInfo, mApp.getIconCache(), getPackageManager()));
+        return new PackageUserKey(
+                mRequest.getShortcutInfo().getPackage(),
+                mRequest.getShortcutInfo().getUserHandle());
     }
 
-    private boolean setupWidget() {
+    private PackageUserKey setupWidget() {
         LauncherAppWidgetProviderInfo widgetInfo = LauncherAppWidgetProviderInfo
                 .fromProviderInfo(this, mRequest.getAppWidgetProviderInfo(this));
         if (widgetInfo.minSpanX > mIdp.numColumns || widgetInfo.minSpanY > mIdp.numRows) {
             // Cannot add widget
-            return false;
+            return null;
         }
         mWidgetCell.setRemoteViewsPreview(PinItemDragListener.getPreview(mRequest));
 
@@ -274,7 +294,7 @@ public class AddItemActivity extends BaseActivity
         mWidgetCell.getWidgetView().setTag(pendingInfo);
 
         applyWidgetItemAsync(() -> new WidgetItem(widgetInfo, mIdp, mApp.getIconCache()));
-        return true;
+        return new PackageUserKey(widgetInfo.provider.getPackageName(), widgetInfo.getUser());
     }
 
     private void applyWidgetItemAsync(final Supplier<WidgetItem> itemProvider) {