我有一个使用TabHost
关联的活动ViewPager
。尽管它工作正常,但我决定将其替换为FragmentTabHost
. 但是,在进行了一些更改后,我得到了一个渲染异常,其消息如下。
W/System.err(21723): java.lang.IllegalStateException: No tab known for tag null
W/System.err (21723): at android.support.v4.app.FragmentTabHost.doTabChanged(FragmentTabHost.java:326)
W/System.err(21723): at android.support.v4.app.FragmentTabHost.onAttachedToWindow(FragmentTabHost.java:276)
W/System.err(21723): at android.view.View.dispatchAttachedToWindow(View.java:12064)
W/System.err(21723): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2707)
W/System.err(21723): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2714)
W/System.err(21723): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2714)
W/System.err(21723): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2714)
W/System.err(21723): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2714)
W/System.err(21723): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2714)
W/System.err(21723): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2714)
W/System.err(21723): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2714)
W/System.err(21723): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1339)
W/System.err(21723): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1131)
W/System.err(21723): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4611)
W/System.err(21723): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725)
W/System.err(21723): at android.view.Choreographer.doCallbacks(Choreographer.java:555)
基本上我所做的是创建一个名为的类,该类在主要活动或片段IconSwipeyTabsView
中扩展和使用。FragmentTabHost
我对 Google 和 StackOverflow 做了很多研究,但没有一个给我明确的答案。仅供参考,这些是两个核心文件的网址。
如果有人可以帮助我,我将不胜感激。谢谢!