Fix Connect State message in Device details for Hearing Aids

In the Device details of Settings App and when using two Hearing Aids
devices (left and right sides), this will fix the connect state messages
for these two devices. Also added Robo tests for the changes.

Test: Manual tests and also ran RunSettingsLibRoboTests and RunSettingsRoboTests.
Bug: 117074814
Bug: 116725094
Change-Id: I169cda4a1658b0a67cc7c7367b38d57a021e6953
Merged-In: I0b1a170967ddcce7f388603fd521f6ed1eeba30b
Merged-In: I169cda4a1658b0a67cc7c7367b38d57a021e6953
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
index f9ecd8e..c445edf 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
@@ -18,6 +18,7 @@
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
+import android.util.Log;
 import android.util.Pair;
 
 import androidx.preference.PreferenceFragment;
@@ -36,6 +37,7 @@
  */
 public class BluetoothDetailsHeaderController extends BluetoothDetailsController {
     private static final String KEY_DEVICE_HEADER = "bluetooth_device_header";
+    private static final String TAG = "BluetoothDetailsHeaderController";
 
     private EntityHeaderController mHeaderController;
     private LocalBluetoothManager mLocalManager;
@@ -63,12 +65,16 @@
                 .getBtClassDrawableWithDescription(mContext, mCachedDevice,
                 mContext.getResources().getFraction(R.fraction.bt_battery_scale_fraction, 1, 1));
         String summaryText = mCachedDevice.getConnectionSummary();
-        // If both the hearing aids are connected, two battery status should be shown.
-        final String pairDeviceSummary = mDeviceManager
-            .getHearingAidPairDeviceSummary(mCachedDevice);
-        if (pairDeviceSummary != null) {
+
+        if (mCachedDevice.isHearingAidDevice()) {
+            // For Hearing Aid device, display the other battery status.
+            final String pairDeviceSummary = mDeviceManager
+                .getHearingAidPairDeviceSummary(mCachedDevice);
+            Log.d(TAG, "setHeaderProperties: HearingAid: summaryText=" + summaryText
+                  + ", pairDeviceSummary=" + pairDeviceSummary);
             mHeaderController.setSecondSummary(pairDeviceSummary);
         }
+
         mHeaderController.setLabel(mCachedDevice.getName());
         mHeaderController.setIcon(pair.first);
         mHeaderController.setIconContentDescription(pair.second);
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java
index 4d295e5..7833eff 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java
@@ -20,6 +20,7 @@
 
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.inOrder;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -96,7 +97,7 @@
         verify(mHeaderController).setIcon(any(Drawable.class));
         verify(mHeaderController).setIconContentDescription(any(String.class));
         verify(mHeaderController).setSummary(any(String.class));
-        verify(mHeaderController).setSecondSummary(any(String.class));
+        verify(mHeaderController, never()).setSecondSummary(any(String.class));
         verify(mHeaderController).done(mActivity, true);
     }
 
@@ -119,4 +120,12 @@
         inOrder.verify(mHeaderController)
             .setSummary(mContext.getString(R.string.bluetooth_connecting));
     }
+
+    @Test
+    public void testSecondSummary_isHearingAidDevice_showSecondSummary() {
+        when(mCachedDevice.isHearingAidDevice()).thenReturn(true);
+        showScreen(mController);
+
+        verify(mHeaderController).setSecondSummary(any(String.class));
+    }
 }