我有3個片段:FragmentMain,片段A和片段B.與片段B上RecyclerView項目單擊上片段A更換FragmentA,與母體片段FragmentMain
FragmentMain是FragmentA的parentFragment,FragmentMain具有的FrameLayout用作一個FragmentA的容器。
FragmentA包含recyclerview。
FragmentB包含一個簡單的佈局。
我的問題是,當我點擊FragmentA中的recyclerview項目時,如何用FragmentB替換FragmentA。
我有onBindViewHolder
holder.iv_cardrow_holder_fragmentA.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
FragmentManager fragmentManager = new FragmentMain().getChildFragmentManager();
fragmentManager.beginTransaction().replace(R.id.fragmentMainContainer, fragmentA).commit();
}
});
這個代碼,我有這個錯誤
java.lang.IllegalStateException: Fragment has not been attached yet.
at android.support.v4.app.Fragment.instantiateChildFragmentManager(Fragment.java:2154)
at android.support.v4.app.Fragment.getChildFragmentManager(Fragment.java:704)
at com.steven.frio.systemanalysisanddesign.recycleradapters.RAdapterFoods$1.onClick(RAdapterFoods.java:63)
at android.view.View.performClick(View.java:5632)
at android.view.View$PerformClick.run(View.java:22306)
at android.os.Handler.handleCallback(Handler.java:754)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:160)
at android.app.ActivityThread.main(ActivityThread.java:6202)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:877)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
可以添加吶問題的形象?謝謝 –