android 修改 SwitchPreferenceCompat 高度，内边距，字体大小

 public class FontSizeSwitchPreferenceCompat extends SwitchPreferenceCompat {

     private Context mContext = null;

     public FontSizeSwitchPreferenceCompat(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
         mContext = context;
     }

     public FontSizeSwitchPreferenceCompat(Context context, AttributeSet attrs) {
         super(context, attrs);
         mContext = context;
     }

     public FontSizeSwitchPreferenceCompat(Context context) {
         super(context);
         mContext = context;
     }

     @Override
     protected View onCreateView(ViewGroup parent) {
         View view = super.onCreateView(parent);

         try {
             // 行高
             view.getLayoutParams().height = ScreenUtils.dpToPx(mContext, 44);

             LinearLayout linearLayout = (LinearLayout) view;
             linearLayout.setPadding(0, 0, 0, 0);

             ViewGroup viewGroup = (ViewGroup) view;
             ViewGroup childViewGroup = (ViewGroup) viewGroup.getChildAt(1);

             TextView titleView = (TextView) childViewGroup.getChildAt(0);
             titleView.setTextSize(17);
             titleView.setTextColor(Color.BLACK);
         } catch (Exception e){
             e.printStackTrace();
         }

         return view;

     }
 }