反射父类方法

来源:互联网 发布:11年体测数据 编辑:程序博客网 时间:2024/06/07 12:27
 /**     * scroll Vertical     */    public void scrollVertical(final ListView listView, Activity activity, final int distance) {        if (listView == null)            return;        activity.runOnUiThread(new Runnable() { //执行自动化测试的时候模拟滑动需要进入UI线程操作            @Override            public void run() {                invokeMethod(listView, "smoothScrollBy", new Object[]{distance, 0, true}, new Class[]{int.class, int.class, boolean.class});            }        });    }    /**     * 遍历当前类以及父类去查找方法,例子,写的比较简单     *     * @param object     * @param methodName     * @param params     * @param paramTypes     * @return     */    public Object invokeMethod(Object object, String methodName, Object[] params, Class[] paramTypes) {        Object returnObj = null;        if (object == null) {            return null;        }        Class cls = object.getClass();        Method method = null;        for (; cls != Object.class; cls = cls.getSuperclass()) { //因为取的是父类的默认修饰符的方法,所以需要循环找到该方法            try {                method = cls.getDeclaredMethod(methodName, paramTypes);                break;            } catch (NoSuchMethodException e) {                TAppLog.i("LG", e.getMessage());//             e.printStackTrace();            } catch (SecurityException e) {                TAppLog.i("LG", e.getMessage());//             e.printStackTrace();            }        }        if (method != null) {            method.setAccessible(true);            try {                returnObj = method.invoke(object, params);            } catch (IllegalAccessException e) {                TAppLog.i("LG", e.getMessage());            } catch (IllegalArgumentException e) {                TAppLog.i("LG", e.getMessage());            } catch (InvocationTargetException e) {                TAppLog.i("LG", e.getMessage());            }        }        return returnObj;    }
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