Android 获取处理我的片段实例的FragmentTransaction
我知道我可以启动FragmentTransaction来处理片段,如下所示:Android 获取处理我的片段实例的FragmentTransaction,android,android-layout,android-intent,android-emulator,android-fragments,Android,Android Layout,Android Intent,Android Emulator,Android Fragments,我知道我可以启动FragmentTransaction来处理片段,如下所示: FragmentManager fragMgr = getHaloFragmentManager(); FragmentTransaction fragTrans = fragMgr.beginTransaction(); MyFragment myFragment = new MyFragment(); fragTrans.replace(R.id.content, fragment, "myTag"); 我还可
FragmentManager fragMgr = getHaloFragmentManager();
FragmentTransaction fragTrans = fragMgr.beginTransaction();
MyFragment myFragment = new MyFragment();
fragTrans.replace(R.id.content, fragment, "myTag");
我还可以通过以下方式删除上面的myFragment
:
fragTrans.remove(myFragment); //Note, here I use the same 'fragTrans'
但是如果我创建一个新的片段事务并删除myFragment
:
FragmentManager fragMgr2 = getHaloFragmentManager();
FragmentTransaction fragTrans2 = fragMgr.beginTransaction();
fragTrans2.remove(myFragment); //It won't remove myFragment, because it is another transaction
上述新创建的FragmentTransactionfragTrans2
将不删除myFragment
我的问题是,如果我在某个地方获得myFragment
而没有任何原始fragTrans
的引用,我如何从myFragment
获得FragmentTransaction
(处理myFragment
)呢,这样我就可以通过使用原始的(第1个)FragmentTransaction
来删除myFragment
?删除()后是否调用.commit()