1
2
3
4
5
6
7
8
9
10
11
12
13
14
| private FragmentTransaction switchFragment(Fragment targetFragment) {
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
if (!targetFragment.isAdded()) {
//第一次使用switchFragment()时currentFragment为null，所以要判断一下
if (currentFragment != null) {
transaction.hide(currentFragment);
}
transaction.add(R.id.fragmentShow,targetFragment,targetFragment.getClass().getName());
} else {
transaction.hide(currentFragment).show(targetFragment);
}
currentFragment = targetFragment;
return transaction;
}
|
