BActivity.java 文件源码

/**
     * 替换fragement 并添加动画
     * 替换fragement的同时对fragment进行“入back栈”操作 ，据我所知并不是真正的进入内存栈
     *
     * @param id_content
     * @param anim_in
     * @param anim_out
     * @param fragment
     */
    @Deprecated
    public void replaceFragmentWithBackStack(@IdRes int id_content, @AnimRes int anim_in, @AnimRes int anim_out, Fragment fragment) {
        String tag = fragment.getClass().getSimpleName();
        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
//        transaction.setCustomAnimations(anim_in, anim_out);
        transaction.replace(id_content, fragment, tag);
        //记录commit一次操作，与mFragmentManager.popBackStack();匹配使用
        transaction.addToBackStack(tag);
        //commitAllowingStateLoss 优于 commit 方法,当使用commit方法时，系统将进行状态判断，如果状态（mStateSaved）已经保存，将发生"Can not perform this action after onSaveInstanceState"错误。
        //如果mNoTransactionsBecause已经存在，将发生"Can not perform this action inside of " + mNoTransactionsBecause错误。
        transaction.commitAllowingStateLoss();
    }