void OnGUI()

in Editor/Scripts/AndroidPerformanceTunerWindow.cs [126:174]
43 lines of code
8 McCabe index (conditional complexity)

        void OnGUI()
        {
            Styles.InitAllStyles();

            if (!Initializer.valid)
            {
                // Initialization of plugins data failed. If this happens, don't display UI.
                // Display list of possible problems and how to solve it.
                // TODO(kseniia): add list of problems and how to solve it
                GUILayout.Space(k_Offset);
                EditorGUILayout.HelpBox(Initializer.initMessage, MessageType.Warning);
                return;
            }

            m_ToolbarEnabled[4] = m_SetupConfig.useAdvancedFidelityParameters;
            DrawMenu();
            using (new GUILayout.HorizontalScope())
            {
                GUILayout.Space(k_MenuWidth + k_Offset);
                using (new GUILayout.VerticalScope())
                {
                    GUILayout.Space(k_Offset);
                    GUILayout.Label(m_ToolbarOptions[m_ToolbarSelected],
                        new GUIStyle(EditorStyles.boldLabel) {fontSize = 16});

                    switch (m_ToolbarSelected)
                    {
                        case 0:
                            m_SettingsEditor.OnGUI();
                            break;
                        case 1:
                            m_IntegrationStepsEditor.OnGUI();
                            break;
                        case 2:
                            m_AnnotationMessageEditor.OnGUI();
                            break;
                        case 3:
                            m_FidelityMessageEditor.OnGUI();
                            break;
                        case 4:
                            m_FidelityParametersEditor.OnGUI();
                            break;
                        case 5:
                            m_InstrumentationSettingsEditor.OnGUI();
                            break;
                    }
                }
            }
        }