android 修改 SwitchPreferenceCompat 高度，内边距，字体大小

 1 public class FontSizeSwitchPreferenceCompat extends SwitchPreferenceCompat {
 2 
 3     private Context mContext = null;
 4 
 5     public FontSizeSwitchPreferenceCompat(Context context, AttributeSet attrs, int defStyle) {
 6         super(context, attrs, defStyle);
 7         mContext = context;
 8     }
 9 
10     public FontSizeSwitchPreferenceCompat(Context context, AttributeSet attrs) {
11         super(context, attrs);
12         mContext = context;
13     }
14 
15     public FontSizeSwitchPreferenceCompat(Context context) {
16         super(context);
17         mContext = context;
18     }
19 
20     @Override
21     protected View onCreateView(ViewGroup parent) {
22         View view = super.onCreateView(parent);
23 
24         try {
25             // 行高
26             view.getLayoutParams().height = ScreenUtils.dpToPx(mContext, 44);
27 
28             LinearLayout linearLayout = (LinearLayout) view;
29             linearLayout.setPadding(0, 0, 0, 0);
30 
31             ViewGroup viewGroup = (ViewGroup) view;
32             ViewGroup childViewGroup = (ViewGroup) viewGroup.getChildAt(1);
33 
34             TextView titleView = (TextView) childViewGroup.getChildAt(0);
35             titleView.setTextSize(17);
36             titleView.setTextColor(Color.BLACK);
37         } catch (Exception e){
38             e.printStackTrace();
39         }
40 
41         return view;
42 
43     }
44 }