【发布时间】：2014-07-10 11:26:08
【问题描述】：
公共类 TabFragment 扩展片段 {
private TabHost mTabHost;
View rootView;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.tabinterview, container, false);
mTabHost = (TabHost) rootView.findViewById(R.id.tabhost);
mTabHost.setup();
TabHost.TabSpec spec = mTabHost.newTabSpec("tag");
spec.setIndicator("Android");
spec.setContent(new TabHost.TabContentFactory() {
@Override
public View createTabContent(String tag) {
// TODO Auto-generated method stub
return (new QuestionFragment().getView());
}
});
mTabHost.addTab(spec);
return rootView;
}
}
在上面的代码中我创建了选项卡，在选项卡中我必须添加相应的片段 我有结帐选项卡显示在片段中，但是当我尝试添加选项卡问题片段的设置内容时，出现以下错误
07-10 11:00:26.030: E/AndroidRuntime(1025): FATAL EXCEPTION: main
07-10 11:00:26.030: E/AndroidRuntime(1025): java.lang.NullPointerException
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.widget.TabHost$FactoryContentStrategy.getContentView(TabHost.java:720)
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.widget.TabHost.setCurrentTab(TabHost.java:413)
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.widget.TabHost$2.onTabSelectionChanged(TabHost.java:154)
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.widget.TabWidget$TabClickListener.onClick(TabWidget.java:546)
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.view.View.performClick(View.java:4204)
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.view.View$PerformClick.run(View.java:17355)
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.os.Handler.handleCallback(Handler.java:725)
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.os.Handler.dispatchMessage(Handler.java:92)
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.os.Looper.loop(Looper.java:137)
07-10 11:00:26.030: E/AndroidRuntime(1025): at android.app.ActivityThread.main(ActivityThread.java:5041)
07-10 11:00:26.030: E/AndroidRuntime(1025): at java.lang.reflect.Method.invokeNative(Native Method)
07-10 11:00:26.030: E/AndroidRuntime(1025): at java.lang.reflect.Method.invoke(Method.java:511)
07-10 11:00:26.030: E/AndroidRuntime(1025): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
07-10 11:00:26.030: E/AndroidRuntime(1025): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
07-10 11:00:26.030: E/AndroidRuntime(1025): at dalvik.system.NativeStart.main(Native Method)
请帮我在标签中添加片段或建议我任何其他逻辑
我们将非常感谢您的及时回复
【问题讨论】：