ContactViewer "up" button missing fixed.

app/src/main/java/com/xabber/android/ui/ContactEditor.java

@@ -5,12 +5,10 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.app.NavUtils;
 import android.support.v7.widget.Toolbar;
 import android.text.InputType;
 import android.view.Menu;
 import android.view.MenuItem;
-import android.view.View;
 import android.widget.EditText;
 
 import com.xabber.android.R;
@@ -39,15 +37,6 @@ public class ContactEditor extends ContactViewer implements Toolbar.OnMenuItemCl
             toolbar.inflateMenu(R.menu.contact_viewer);
             toolbar.setOnMenuItemClickListener(this);
         }
-
-        toolbar.setNavigationIcon(R.drawable.ic_arrow_left_white_24dp);
-        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                NavUtils.navigateUpFromSameTask(ContactEditor.this);
-            }
-        });
-
     }
 
     @Override

app/src/main/java/com/xabber/android/ui/ContactViewer.java

@@ -18,6 +18,8 @@ import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
+import android.support.v4.app.NavUtils;
+import android.support.v7.widget.Toolbar;
 import android.view.View;
 import android.widget.TextView;
 
@@ -117,6 +119,15 @@ public class ContactViewer extends ManagedActivity implements
         contactTitleView.findViewById(R.id.status_icon).setVisibility(View.GONE);
         contactTitleView.findViewById(R.id.status_text).setVisibility(View.GONE);
         contactNameView = (TextView) contactTitleView.findViewById(R.id.name);
+
+        Toolbar toolbar = contactTitleExpandableToolbarInflater.getToolbar();
+        toolbar.setNavigationIcon(R.drawable.ic_arrow_left_white_24dp);
+        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                NavUtils.navigateUpFromSameTask(ContactViewer.this);
+            }
+        });
     }
 
     @Override