QR Code Scanner tile says "Updating" when GMSCORE is updating

Bug: 257230676
It included changing the QR scanner Tile text to say updating when the GMS core is being updated and the tile is unavailable for the time being.

Change-Id: Ifb6b3d5dae884de8d93ec8f21f323cef168c1937

packages/SystemUI/res/values/strings.xml

@@ -1313,6 +1313,9 @@
     <!-- QR Code Scanner label, title [CHAR LIMIT=32] -->
     <string name="qr_code_scanner_title">QR code scanner</string>
 
+    <!-- QR Code Scanner Secondary label when GMS Core is Updating -->
+    <string name="qr_code_scanner_updating_secondary_label">Updating</string>
+
     <!-- Name of the work status bar icon. -->
     <string name="status_bar_work">Work profile</string>
 

packages/SystemUI/src/com/android/systemui/qs/tiles/QRCodeScannerTile.java

@@ -117,6 +117,10 @@ public class QRCodeScannerTile extends QSTileImpl<QSTile.State> {
         state.icon = ResourceIcon.get(R.drawable.ic_qr_code_scanner);
         state.state = mQRCodeScannerController.isEnabledForQuickSettings() ? Tile.STATE_INACTIVE
                 : Tile.STATE_UNAVAILABLE;
+        // The assumption is that if the OEM has the QR code scanner module enabled then the scanner
+        // would go to "Unavailable" state only when GMS core is updating.
+        state.secondaryLabel = state.state == Tile.STATE_UNAVAILABLE
+                ? mContext.getString(R.string.qr_code_scanner_updating_secondary_label) : null;
     }
 
     @Override

packages/SystemUI/tests/src/com/android/systemui/qs/tiles/QRCodeScannerTileTest.java

@@ -18,6 +18,7 @@ package com.android.systemui.qs.tiles;
 
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertNull;
 
 import static org.mockito.Mockito.when;
 
@@ -112,6 +113,8 @@ public class QRCodeScannerTileTest extends SysuiTestCase {
         QSTile.State state = new QSTile.State();
         mTile.handleUpdateState(state, null);
         assertEquals(state.state, Tile.STATE_UNAVAILABLE);
+        assertEquals(state.secondaryLabel.toString(),
+                     mContext.getString(R.string.qr_code_scanner_updating_secondary_label));
     }
 
     @Test
@@ -120,5 +123,6 @@ public class QRCodeScannerTileTest extends SysuiTestCase {
         QSTile.State state = new QSTile.State();
         mTile.handleUpdateState(state, null);
         assertEquals(state.state, Tile.STATE_INACTIVE);
+        assertNull(state.secondaryLabel);
     }
 }