Improve feedback when failing transferring a disconnected device

-Set "failed" string for subtitle
-Add test case

Bug: 157139936
Test: make -j42 RunSettingsRoboTests
Change-Id: I1fcd51f954a63cbc9ac0e573e5a8bb43cca6f087

src/com/android/settings/media/MediaOutputSlice.java

@@ -287,11 +287,16 @@ public class MediaOutputSlice implements CustomSliceable {
 
         if (device.getDeviceType() == MediaDevice.MediaDeviceType.TYPE_BLUETOOTH_DEVICE
                 && !device.isConnected()) {
-            if (device.getState() == LocalMediaManager.MediaDeviceState.STATE_CONNECTING) {
+            final int state = device.getState();
+            if (state == LocalMediaManager.MediaDeviceState.STATE_CONNECTING
+                    || state == LocalMediaManager.MediaDeviceState.STATE_CONNECTING_FAILED) {
                 rowBuilder.setTitle(deviceName);
                 rowBuilder.setPrimaryAction(SliceAction.create(broadcastAction, deviceIcon,
                         ListBuilder.ICON_IMAGE, deviceName));
-                rowBuilder.setSubtitle(mContext.getText(R.string.media_output_switching));
+                rowBuilder.setSubtitle(
+                        (state == LocalMediaManager.MediaDeviceState.STATE_CONNECTING)
+                                ? mContext.getText(R.string.media_output_switching)
+                                : mContext.getText(R.string.bluetooth_connect_failed));
             } else {
                 // Append status to title only for the disconnected Bluetooth device.
                 final SpannableString spannableTitle = new SpannableString(

tests/robotests/src/com/android/settings/media/MediaOutputSliceTest.java

@@ -512,6 +512,44 @@ public class MediaOutputSliceTest {
                 .isNotEqualTo(-1);
     }
 
+    @Test
+    public void getSlice_disconnectedBtOnTransferringFailed_containTransferringFailedSubtitle() {
+        final List<MediaDevice> mSelectedDevices = new ArrayList<>();
+        final List<MediaDevice> mSelectableDevices = new ArrayList<>();
+        mDevices.clear();
+        final MediaDevice device = mock(MediaDevice.class);
+        when(device.getName()).thenReturn(TEST_DEVICE_1_NAME);
+        when(device.getIcon()).thenReturn(mTestDrawable);
+        when(device.getMaxVolume()).thenReturn(100);
+        when(device.isConnected()).thenReturn(true);
+        when(device.getDeviceType()).thenReturn(MediaDevice.MediaDeviceType.TYPE_BLUETOOTH_DEVICE);
+        when(device.getId()).thenReturn(TEST_DEVICE_1_ID);
+        final MediaDevice device2 = mock(MediaDevice.class);
+        when(device2.getName()).thenReturn(TEST_DEVICE_2_NAME);
+        when(device2.getIcon()).thenReturn(mTestDrawable);
+        when(device2.getMaxVolume()).thenReturn(100);
+        when(device2.isConnected()).thenReturn(false);
+        when(device2.getState()).thenReturn(
+                LocalMediaManager.MediaDeviceState.STATE_CONNECTING_FAILED);
+        when(device2.getDeviceType()).thenReturn(MediaDevice.MediaDeviceType.TYPE_BLUETOOTH_DEVICE);
+        when(device2.getId()).thenReturn(TEST_DEVICE_2_ID);
+        mSelectedDevices.add(device);
+        mSelectableDevices.add(device2);
+        when(mLocalMediaManager.getCurrentConnectedDevice()).thenReturn(device);
+        mDevices.add(device);
+        mDevices.add(device2);
+        when(mLocalMediaManager.getSelectedMediaDevice()).thenReturn(mSelectedDevices);
+        when(mLocalMediaManager.getSelectableMediaDevice()).thenReturn(mSelectableDevices);
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(mDevices);
+
+        final Slice mediaSlice = mMediaOutputSlice.getSlice();
+        final String sliceInfo = SliceQuery.findAll(mediaSlice, FORMAT_SLICE, HINT_LIST_ITEM,
+                null).toString();
+
+        assertThat(TextUtils.indexOf(sliceInfo,
+                mContext.getText(R.string.bluetooth_connect_failed))).isNotEqualTo(-1);
+    }
+
     @Test
     public void onNotifyChange_foundMediaDevice_connect() {
         mDevices.clear();