安卓：错误充气类preferenceScreen [英] Android: Error inflating class PreferenceScreen
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问题描述
请帮我在这里，我打砖墙在过去的两天不能看着办吧。
Please help me out here, I'm hitting brick wall for the last two days and can't figure it out.
我有一个简单的preferenceFragment，并想从活动夸大了。
I have a simple PreferenceFragment and would like to inflate it from an Activity.
下面是RES / XML / preferences.xml：
Here is the res/xml/preferences.xml:
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
android:key="preferences">
<PreferenceCategory
android:title="@string/notification_basic"
android:key="notification">
<CheckBoxPreference
android:key="enable_notification"
android:summary="@string/enable_notification"
android:title="@string/notification_title"
android:defaultValue="false">
</CheckBoxPreference>
<CheckBoxPreference
android:key="enable"
android:summary="@string/enable_instant_notification"
android:title="@string/notify_me_instantly"
android:dependency="enable_notification"
android:defaultValue="false">
</CheckBoxPreference>
</PreferenceCategory>
<PreferenceCategory
android:title="@string/sign_up_notify_me_where_section"
android:key="locations">
<MultiSelectListPreference
android:dialogTitle="@string/sign_up_notify_me_where_title"
android:key="location"
android:summary="@string/sign_up_notify_me_where"
android:title="@string/sign_up_notify_me_where_title"
android:entries="@array/locations"
android:entryValues="@array/locations_values"
android:defaultValue="@array/empty_array"
android:dependency="enable_notification"
/>
</PreferenceCategory>
<PreferenceCategory
android:title="@string/sign_up_notify_me_type_section"
android:key="types">
<MultiSelectListPreference
android:dialogTitle="@string/sign_up_notify_me_type_title"
android:key="type"
android:summary="@string/sign_up_notify_me_type"
android:title="@string/sign_up_notify_me_type_title"
android:entries="@array/types"
android:entryValues="@array/types_values"
android:defaultValue="@array/empty_array"
android:dependency="enable_notification"
/>
</PreferenceCategory>
<PreferenceCategory
android:title="@string/sign_up_notify_me_who_section"
android:key="units">
<MultiSelectListPreference
android:dialogTitle="@string/sign_up_notify_me_who_title"
android:key="units"
android:summary="@string/sign_up_notify_me_who"
android:title="@string/sign_up_notify_me_who_title"
android:entries="@array/units"
android:entryValues="@array/units_values"
android:defaultValue="@array/empty_array"
android:dependency="enable_notification"
/>
</PreferenceCategory>
</PreferenceScreen>
活动：
public class HomeActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.home);
FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.add(R.id.fragment_container, new SignUpPreferenceFragment());
fragmentTransaction.commit();
}
}
活动的布局：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/home_layout">
<FrameLayout android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:id="@+id/fragment_container"
/>
</RelativeLayout>
和最后的堆栈跟踪：
04-05 20:11:07.641: ERROR/AndroidRuntime(5731): FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.soid.client.activities/com.soid.client.activities.HomeActivity}: android.view.InflateException: Binary XML file line #1: Error inflating class PreferenceScreen
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2355)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2391)
at android.app.ActivityThread.access$600(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1335)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5520)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:796)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #1: Error inflating class PreferenceScreen
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:698)
at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
at com.soid.client.activities.SignUpPreferenceFragment.onCreateView(SignUpPreferenceFragment.ja va:18)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:831)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1037)
at android.app.BackStackRecord.run(BackStackRecord.java:635)
at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1399)
at android.app.Activity.performStart(Activity.java:5075)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2328)
... 11 more
Caused by: java.lang.ClassNotFoundException: android.view.PreferenceScreen
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
at android.view.LayoutInflater.createView(LayoutInflater.java:552)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:643)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:66)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:660)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
... 20 more
为什么它搜索的android.view的preferenceScreen？我完全失去了，恳求帮助我。
Why does it search for the PreferenceScreen in android.view? I'm totally lost, pleas help me out.
编辑：
我忘了粘贴实际preferenceFragment：
I forgot to paste the actual PreferenceFragment:
public class SignUpPreferenceFragment extends PreferenceFragment {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preferences);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.xml.preferences, container, false);
感谢您！
推荐答案
您需要删除你的注册preferenceFragment的，因为你不能用充气充气的preferences。 onCreateView 功能
You need to remove the onCreateView function in your SignUpPreferenceFragment because you cannot inflate the preferences using the inflater.
这就是你所得到的错误，指出存在夸大错误 preferenceScreen ，因为它不知道在XML的标记/类。
That is why you are getting the error stating that there is an error inflating PreferenceScreen because it does not understand that tag/class in the xml.
preferences.xml 是进行补充的充气preferencesFromResource 在的onCreate 。
<一个href=\"http://developer.android.com/reference/android/$p$pference/$p$pferenceFragment.html\">Reference
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