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.

Bug: 116725094
Bug: 117074814
Test: Manual tests and also ran RunSettingsLibRoboTests and RunSettingsRoboTests.

Change-Id: I169cda4a1658b0a67cc7c7367b38d57a021e6953
Merged-In: I0b1a170967ddcce7f388603fd521f6ed1eeba30b
Merged-In: I169cda4a1658b0a67cc7c7367b38d57a021e6953

src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java

@@ -20,6 +20,7 @@ import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.support.v14.preference.PreferenceFragment;
 import android.support.v7.preference.PreferenceScreen;
+import android.util.Log;
 import android.util.Pair;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -36,6 +37,7 @@ import com.android.settingslib.bluetooth.LocalBluetoothManager;
  */
 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 @@ public class BluetoothDetailsHeaderController extends BluetoothDetailsController
                 .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);

tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java

@@ -19,6 +19,7 @@ package com.android.settings.bluetooth;
 import static com.google.common.truth.Truth.assertThat;
 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 @@ public class BluetoothDetailsHeaderControllerTest extends BluetoothDetailsContro
         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 @@ public class BluetoothDetailsHeaderControllerTest extends BluetoothDetailsContro
         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));
+    }
 }