我有一个slidingTabLayout，我不断收到此RunTime异常？

我已经设置了滑动标签布局，并且在标签之间切换时不断收到此运行时异常。我不确定这到底意味着什么，任何人都可以看到这种情况？我有一个slidingTabLayout，我不断收到此RunTime异常？

FATAL EXCEPTION: main 
                   java.lang.RuntimeException: [email protected] must implement OnFragmentInteractionListener 
                    at com.athena.athena.MainActivitys.Tags.onAttach(Tags.java:84) 
                    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1019) 
                    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.executePendingTransactions(FragmentManager.java:570) 
                    at android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:163) 
                    at android.support.v4.view.ViewPager.populate(ViewPager.java:1106) 
                    at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:552) 
                    at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:514) 
                    at android.support.v4.view.ViewPager.setCurrentItem(ViewPager.java:495) 
                    at android.support.design.widget.TabLayout$ViewPagerOnTabSelectedListener.onTabSelected(TabLayout.java:1778) 
                    at android.support.design.widget.TabLayout.selectTab(TabLayout.java:871) 
                    at android.support.design.widget.TabLayout.selectTab(TabLayout.java:841) 
                    at android.support.design.widget.TabLayout$Tab.select(TabLayout.java:1115) 
                    at android.support.design.widget.TabLayout$1.onClick(TabLayout.java:665) 
                    at android.view.View.performClick(View.java:4475) 
                    at android.view.View$PerformClick.run(View.java:18786) 
                    at android.os.Handler.handleCallback(Handler.java:730) 
                    at android.os.Handler.dispatchMessage(Handler.java:92) 
                    at android.os.Looper.loop(Looper.java:137) 
                    at android.app.ActivityThread.main(ActivityThread.java:5419) 
                    at java.lang.reflect.Method.invokeNative(Native Method) 
                    at java.lang.reflect.Method.invoke(Method.java:525) 
                    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1187) 
                    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003) 
                    at dalvik.system.NativeStart.main(Native Method) 



public class SectionsPagerAdapter extends FragmentStatePagerAdapter { 
    public SectionsPagerAdapter(FragmentManager fm) { 
     super(fm); 
    } 

    @Override 
    public Fragment getItem(int position) { 
     //2 steps creating a fragment, create the fragment class and create the UI for it 
     Fragment fragment = null; 
     //we dont want it to return our place holder Fragment instead we want to switch bewtween 3 
     //create a switch case based on the position applied or the fragment selected 
     switch (position) { 
      case HOME: 
       fragment = Dashboard.newInstance("",""); 
       break; 
      case TAGS: 
       fragment = Tags.newInstance("",""); 
       break; 
      case MY_RECENT: 
       fragment = Recent.newInstance("",""); 
       break; 
      case MY_POINTS: 
       fragment = Points.newInstance("", ""); 
       break; 
     } 
     return fragment; 
    } 

    @Override 
    public int getCount() { 
     // Show 3 total pages. 
     return 4; 
    } 

    @Override 
    public CharSequence getPageTitle(int position) { 
     switch (position) { 
      case 0: 
       return "Home"; 
      case 1: 
       return "Points"; 
      case 2: 
       return "Recent"; 
      case 3: 
       return "Tags"; 
     } 
     return null; 
    } 
} 

}

我更新了问题以使其更具信息性。

来源

2016-02-07 Eli

您还需要发布您的代码。 – drWisdom

至于你的异常说：了java.lang.RuntimeException：[email protected]必须实现OnFragmentInteractionListener

能否请您检查MainActivity是否正在实施OnFragmentInteractionListener类？

来源

2016-02-07 19:14:53

我更新了问题 – Eli

另外问题是，当我点击myRecent时，它将我带到标签页面，并告诉我实现我的听众 – Eli

为什么我的标签活动会影响myRecent活动？ – Eli

我有一个slidingTabLayout，我不断收到此RunTime异常？

回答

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