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我正在使用支持包v4。通过标记找不到片段
mFragmentManager = getSupportFragmentManager();
FragmentTransaction ft = mFragmentManager.beginTransaction();
ft.add(R.id.fragContainer1, new ModelListFragment(), FRAG_MODEL_LIST);
ft.add(R.id.fragContainer2, new TrimListFragment(), FRAG_TRIM_LIST);
ft.commit();
Fragment fragment = mFragmentManager.findFragmentByTag(
MainActivity.FRAG_MODEL_LIST);
Log.d("MY", "found fragment: " + (fragment != null));
总是返回“found fragment:false”。我错过了一些非常明显的东西,它是什么?
如果您真的想要应用事务,请使用[executePendingTransactions](http://developer.android.com/reference/android/app/FragmentManager.html#executePendingTransactions()) – 2012-08-09 13:12:45