public static void setStaticObjectField(Class<?> clazz, String fieldName, Object value) {
        try {
            findField(clazz, fieldName).set(null, value);
        } catch (IllegalAccessException e) {
            // should not happen
            XposedBridge.log(e);
            throw new IllegalAccessError(e.getMessage());
        } catch (IllegalArgumentException e) {
            throw e;
        }
    }
Sets the value of a static object field in the given class. See also {@link #findField}.
android/android_framework/base/src/main/java/util/XposedHelpers.java