[android] Show contact alias in remaining places

briar-android/src/main/java/org/briarproject/briar/android/introduction/IntroductionMessageFragment.java

@@ -38,6 +38,7 @@ import static android.view.View.VISIBLE;
 import static android.widget.Toast.LENGTH_SHORT;
 import static java.util.logging.Level.WARNING;
 import static org.briarproject.bramble.util.LogUtils.logException;
+import static org.briarproject.briar.android.util.UiUtils.getContactDisplayName;
 import static org.briarproject.briar.api.introduction.IntroductionConstants.MAX_INTRODUCTION_TEXT_LENGTH;
 
 public class IntroductionMessageFragment extends BaseFragment
@@ -148,8 +149,8 @@ public class IntroductionMessageFragment extends BaseFragment
 					c2.getAuthor().getId().getBytes()));
 
 			// set contact names
-			ui.contactName1.setText(c1.getAuthor().getName());
-			ui.contactName2.setText(c2.getAuthor().getName());
+			ui.contactName1.setText(getContactDisplayName(c1));
+			ui.contactName2.setText(getContactDisplayName(c2));
 
 			// hide progress bar
 			ui.progressBar.setVisibility(GONE);

briar-android/src/main/java/org/briarproject/briar/android/privategroup/invitation/GroupInvitationViewHolder.java

@@ -9,6 +9,8 @@ import org.briarproject.briar.api.privategroup.invitation.GroupInvitationItem;
 
 import javax.annotation.Nullable;
 
+import static org.briarproject.briar.android.util.UiUtils.getContactDisplayName;
+
 class GroupInvitationViewHolder
 		extends InvitationViewHolder<GroupInvitationItem> {
 
@@ -24,7 +26,7 @@ class GroupInvitationViewHolder
 
 		sharedBy.setText(
 				sharedBy.getContext().getString(R.string.groups_created_by,
-						item.getCreator().getAuthor().getName()));
+						getContactDisplayName(item.getCreator())));
 	}
 
 }
\ No newline at end of file

briar-android/src/main/java/org/briarproject/briar/android/privategroup/reveal/RevealableContactViewHolder.java

@@ -14,6 +14,7 @@ import javax.annotation.Nullable;
 import static org.briarproject.briar.android.privategroup.VisibilityHelper.getVisibilityIcon;
 import static org.briarproject.briar.android.privategroup.VisibilityHelper.getVisibilityString;
 import static org.briarproject.briar.android.util.UiUtils.GREY_OUT;
+import static org.briarproject.briar.android.util.UiUtils.getContactDisplayName;
 
 @UiThread
 @NotNullByDefault
@@ -36,7 +37,7 @@ class RevealableContactViewHolder
 		icon.setImageResource(getVisibilityIcon(item.getVisibility()));
 		info.setText(
 				getVisibilityString(info.getContext(), item.getVisibility(),
-						item.getContact().getAuthor().getName()));
+						getContactDisplayName(item.getContact())));
 	}
 
 	@Override

briar-android/src/main/java/org/briarproject/briar/android/sharing/SharingInvitationViewHolder.java

@@ -13,6 +13,8 @@ import java.util.Collection;
 
 import javax.annotation.Nullable;
 
+import static org.briarproject.briar.android.util.UiUtils.getContactDisplayName;
+
 class SharingInvitationViewHolder
 		extends InvitationViewHolder<SharingInvitationItem> {
 
@@ -28,7 +30,7 @@ class SharingInvitationViewHolder
 
 		Collection<String> names = new ArrayList<>();
 		for (Contact c : item.getNewSharers())
-			names.add(c.getAuthor().getName());
+			names.add(getContactDisplayName(c));
 		sharedBy.setText(
 				sharedBy.getContext().getString(R.string.shared_by_format,
 						StringUtils.join(names, ", ")));