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反射是可以调用到"setOnCheckedChangeWidgetListener"这个父类私有隐藏方法的。

            Method[] methods = child.getClass().getSuperclass().getDeclaredMethods();
            Method targetMethod = null;
            for (Method method : methods) {
                method.setAccessible(true);
                if (method.getName().equals("setOnCheckedChangeWidgetListener")) {
                    targetMethod = method;
                    break;
                }
            }
            try {
                if (targetMethod != null) {
                    targetMethod.invoke(child, mChildOnCheckedChangeListener);
                }
            } catch (Exception pE) {
                pE.printStackTrace();
            }

还请以这种方式调整一下View的逻辑。

        group.setOnCheckedChangeListener(new FlexRadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(@IdRes int checkedId) {
                mProtectFromCheckedChange = true;
            }
        });
        rb.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (!mProtectFromCheckedChange && ((RadioButton) v).isChecked()) {
                    group.clearCheck();
                } else mProtectFromCheckedChange = false;
            }
        });

这种使用方式封装性不够。

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