Question

我需要打开另一个片段。我用这个代码

            Fragment newFragment = new TabFragment();
            FragmentTransaction transaction = getFragmentManager().beginTransaction();
            transaction.replace(R.id.viewpager, newFragment);
            transaction.addToBackStack(null);
            transaction.commit();

但它不起作用。这是错误日志：

FATAL EXCEPTION: main
Process: simone.biliato.fortitudobasketvedelago, PID: 4166
    java.lang.IllegalArgumentException: No view found for id 0x7f0d00ab (simone.biliato.fortitudobasketvedelago:id/viewpager) for fragment TabFragment{12144aca #1 id=0x7f0d00ab}
    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1059)
    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1248)
    at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
    at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1613)
    at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:517)
    at android.os.Handler.handleCallback(Handler.java:739)
    at android.os.Handler.dispatchMessage(Handler.java:95)
    at android.os.Looper.loop(Looper.java:145)
    at android.app.ActivityThread.main(ActivityThread.java:5832)
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)

进入“transaction.replace（R.id.viewpager，newFragment）;”我应该指定什么？还有其他问题吗？

Answer 1

试试这个：

private FragmentManager mFragmentManager = this.getFragmentManager();

FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.containerView, new NewFragment()).commit();

Answer 2

您似乎没有在ID＆＃34; viewpager＆＃34;的片段中查看视图。在片段内添加一个ViewGroup（例如一个FrameLayout）作为要放置的新片段的容器。

从片段错误中打开片段

2 个答案: