Simplification

app/src/main/java/eu/faircode/email/FragmentAccount.java

@@ -332,8 +332,7 @@ public class FragmentAccount extends FragmentBase {
                     colorPickerDialog.show(getFragmentManager(), "colorpicker");
                 } else {
                     FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
-                    fragmentTransaction.hide(FragmentAccount.this);
-                    fragmentTransaction.add(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
+                    fragmentTransaction.replace(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
                     fragmentTransaction.commit();
                 }
             }
@@ -393,8 +392,7 @@ public class FragmentAccount extends FragmentBase {
                     cbNotify.setChecked(false);
 
                     FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
-                    fragmentTransaction.hide(FragmentAccount.this);
-                    fragmentTransaction.add(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
+                    fragmentTransaction.replace(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
                     fragmentTransaction.commit();
                 }
             }

app/src/main/java/eu/faircode/email/FragmentIdentity.java

@@ -276,8 +276,7 @@ public class FragmentIdentity extends FragmentBase {
                     colorPickerDialog.show(getFragmentManager(), "colorpicker");
                 } else {
                     FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
-                    fragmentTransaction.hide(FragmentIdentity.this);
-                    fragmentTransaction.add(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
+                    fragmentTransaction.replace(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
                     fragmentTransaction.commit();
                 }
             }