Android 10.0 shutdown interface full screen display (UI full screen display)

In 10.0 native shutdown interface UI is displayed on the right, but customer requirements require full-screen display restart and shutdown function keys to be displayed in the center, so it involves adjusting the UI and then full-screen display. It is
preferred to implement the full-screen function

GlobalActionsDialog.java is the shutdown interface that pops up by long pressing power.
Path:

frameworks / base / packages / SystemUI / src / com / android / systemui / globalactions / GlobalActionsDialog.java
        ActionsDialog(Context context, MyAdapter adapter,
                GlobalActionsPanelPlugin.PanelViewController plugin) {
   
    
    
            super(context, com.android.systemui.R.style.Theme_SystemUI_Dialog_GlobalActions);
            mContext = context;
            mAdapter = adapter