Android常用工具类封装---Fragment

Fragment切换

    /**       ** Fragment切换       @Params toFragment 将要切换到的Fragment               resId      装载Fragment的view Id               index      Fragment的标识index               toleft     判断Fragment向左切换还是向右切换，以采用不同的动画       Notes:  R.anim.push_left_in等均为简单的Tranlate动画               mCurrentFragment为当前所在的Fragment，继承自BaseFragment       */                 protected void switchDiffFragmentContent         (Fragment toFragment, int resId, int index, boolean toleft){            if (null == mCurrentFragment || null == toFragment){                return;            }            if (mCurrentFragment.getArguments().getInt("Index") !=                toFragment.getArguments.getInt("index"))            {                FragmentTransaction fragmentTransaction;                fragmentTrasaction = getChildFragmentManager().beginTransaction();                if (toleft)                {                    fragmentTrasaction.SetCustomAnimations(R.anim.push_left_in,                     R.anim.push_left_out);                }else{                    fragmentTrasaction.setCustomAnimations(R.anim.push_right_in,                     R.anim.push_right_out);                }                //先判断是否添加过                if (!toFragment.isAdded())                {                    //隐藏当前fragment,add下一个fragment                    fragmentTrasaction.hide(mCurrentFragment);                    fragmentTrasaction.add(resId, toFragment, String.valueOf(index));                    fragmentTransactoin,commit();                }else{                    //隐藏当前fragment，show下一个fragment                    fragmentTransaction.hide(mCurrentFragment);                    fragmentTransaction.show(toFragment);                    fragmentTransaction.commit();                }                mCurrentFragment = (BaseFragment)toFragment;            }         }