使用片段的自定义标题

| 我有一个使用自定义标题功能的应用程序。我正在尝试将其迁移到片段api。我得到的结果代码是这样的:
public class MainActivity extends CategoriesListActivity {

    protected static final String TAG = \"MainActivity\";

    /** Called when the activity is first created. */
    public void onActivityCreated(Bundle savedInstanceState) {
        getActivity().requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
        super.onActivityCreated(savedInstanceState);
        Thread.setDefaultUncaughtExceptionHandler(new MecomUncaughtExceptionHandler(getActivity()));

        getActivity().setContentView(R.layout.main);
        getActivity().getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.main_title);
    }
}
CategoriesListActivity
扩展
ListFragment
main_title.xml
是这个:
<?xml version=\"1.0\" encoding=\"utf-8\"?>
<fragment
    xmlns:android=\"http://schemas.android.com/apk/res/android\"
    class=\"com.mecom.berlingske.fragments.HeaderFragment\"
    android:id=\"@+id/header\"
    android:layout_width=\"fill_parent\"
    android:layout_height=\"fill_parent\"/>
HeaderFragment
是:
public class HeaderFragment extends Fragment implements OnClickListener {    
    private static final String TAG = \"Header\";

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        return inflater.inflate(R.layout.main_title_fragment, container, false);
    }
}
main_title_fragment.xml
是:
<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<LinearLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"
     android:layout_height=\"wrap_content\" android:layout_width=\"fill_parent\">
    <ImageView
        android:id=\"@+id/berlingske_logo\"
        android:src=\"@drawable/main_title_bg\"
        android:layout_width=\"wrap_content\"
        android:layout_height=\"fill_parent\"
        android:onClick=\"onClick\"/>
    <View
        android:layout_width=\"0dip\"
        android:layout_weight=\"1\"
        android:layout_height=\"fill_parent\"
        android:visibility=\"invisible\"/>
    <Button
        android:id=\"@+id/buttonTitleSearch\"
        android:layout_width=\"wrap_content\"
        android:layout_height=\"wrap_content\"
        android:drawableTop=\"@drawable/ic_menu_search\"
        android:layout_gravity=\"fill_vertical\"
        style=\"@style/BerlingskeMainTitleButton\"
        android:onClick=\"onClick\"/>
     <Button
        android:id=\"@+id/buttnTitleFeedback\"
        android:layout_width=\"wrap_content\"
        android:layout_height=\"wrap_content\"
        android:drawableTop=\"@drawable/ic_menu_light\"
        android:layout_gravity=\"fill_vertical\"
        style=\"@style/BerlingskeMainTitleButton\"
        android:onClick=\"onClick\"/>
</LinearLayout>
当我运行此命令时,它会在ѭ9膨胀后崩溃:
E/AndroidRuntime(  545): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.mecom.berlingske/com.mecom.berlingske.MainActivity}: java.lang.ClassCastException: com.mecom.berlingske.MainActivity
E/AndroidRuntime(  545):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417)
E/AndroidRuntime(  545):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
E/AndroidRuntime(  545):    at android.app.ActivityThread.access$2200(ActivityThread.java:119)
E/AndroidRuntime(  545):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
E/AndroidRuntime(  545):    at android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime(  545):    at android.os.Looper.loop(Looper.java:123)
E    /AndroidRuntime(  545):    at android.app.ActivityThread.main(ActivityThread.java:4363)
E/AndroidRuntime(  545):    at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime(  545):    at java.lang.reflect.Method.invoke(Method.java:521)
E/AndroidRuntime(  545):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
E/AndroidRuntime(  545):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
E/AndroidRuntime(  545):    at dalvik.system.NativeStart.main(Native Method)
E/AndroidRuntime(  545): Caused by: java.lang.ClassCastException: com.mecom.berlingske.MainActivity
E/AndroidRuntime(  545):    at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
E/AndroidRuntime(  545):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2409)
E/AndroidRuntime(  545):    ... 11 more
我在这里看不到任何铸造问题。有人试图将片段设置为自定义标题吗?     
已邀请:
查看堆栈轨迹,似乎您将ѭ11视为实际的
Activity
,不是,而是
Fragment
。似乎您不是完全理解ѭ14或您的应用程序设计存在缺陷。     

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