使用片段的自定义标题
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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?
没有找到相关结果
已邀请:
1 个回复
赐黄
,不是,而是
。似乎您不是完全理解ѭ14或您的应用程序设计存在缺陷。