膨胀类android.view.ViewGroup时出错
我正在尝试为checkboxPreferences编写自定义视图。我有:膨胀类android.view.ViewGroup时出错,android,android-layout,android-viewgroup,Android,Android Layout,Android Viewgroup,我正在尝试为checkboxPreferences编写自定义视图。我有: <CheckBoxPreference android:key="@string/pref_acceptableads" android:summaryOff="@string/pref_acceptableads_summary_off" android:summaryOn="@string/pref_acceptableads_summary_on" android:title="@string/pref
<CheckBoxPreference
android:key="@string/pref_acceptableads"
android:summaryOff="@string/pref_acceptableads_summary_off"
android:summaryOn="@string/pref_acceptableads_summary_on"
android:title="@string/pref_acceptableads_title"
android:widgetLayout="@layout/helpfulcheckbox_layout" />
以及:
问题在于我的视图组。我收到一个例外:
03-11 13:49:11.520:E/AndroidRuntime(12286):致命异常:主
03-11 13:49:11.520:E/AndroidRuntime(12286):过程:
org.adblockplus.android,PID:12286 03-11 13:49:11.520:
E/AndroidRuntime(12286):android.view.InflateException:二进制XML
文件行#2:膨胀类android.view.ViewGroup 03-11时出错
13:49:11.520:E/AndroidRuntime(12286):在
createView(LayoutInflater.java:620)03-11
13:49:11.520:E/AndroidRuntime(12286):在
onCreateView(LayoutInflater.java:652)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
com.android.internal.policy.impl.PhoneLayoutFlater.onCreateView(PhoneLayoutFlater.java:66)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
onCreateView(LayoutInflater.java:669)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
createViewFromTag(LayoutInflater.java:694)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
膨胀(LayoutInflater.java:469)03-11
13:49:11.520:E/AndroidRuntime(12286):在
膨胀(LayoutInflater.java:397)03-11
13:49:11.520:E/AndroidRuntime(12286):在
膨胀(LayoutInflater.java:353)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.preference.preference.onCreateView(preference.java:489)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.preference.preference.getView(preference.java:460)03-11
13:49:11.520:E/AndroidRuntime(12286):在
preference.PreferenceGroupAdapter.getView(PreferenceGroupAdapter.java:221)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
android.widget.AbsListView.obtainView(AbsListView.java:2255)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.widget.ListView.makeAndAddView(ListView.java:1790)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.widget.ListView.fillDown(ListView.java:691)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.widget.ListView.fillFromTop(ListView.java:752)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.widget.ListView.layoutChildren(ListView.java:1616)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.widget.AbsListView.onLayout(AbsListView.java:2087)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.view.view.layout(view.java:14841)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
android.view.ViewGroup.layout(ViewGroup.java:4631)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
setChildFrame(LinearLayout.java:1671)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
LinearLayout.layoutVertical(LinearLayout.java:1525)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
android.widget.LinearLayout.onLayout(LinearLayout.java:1434)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.view.view.layout(view.java:14841)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
android.view.ViewGroup.layout(ViewGroup.java:4631)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.widget.FrameLayout.onLayout(FrameLayout.java:388)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.view.view.layout(view.java:14841)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
android.view.ViewGroup.layout(ViewGroup.java:4631)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:374)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
android.view.view.layout(view.java:14841)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
android.view.ViewGroup.layout(ViewGroup.java:4631)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.widget.FrameLayout.onLayout(FrameLayout.java:388)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.view.view.layout(view.java:14841)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
android.view.ViewGroup.layout(ViewGroup.java:4631)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1983)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1740)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:996)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5600)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
Choreographer$CallbackRecord.run(Choreographer.java:761)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
android.view.Choreographer.doCallbacks(Choreographer.java:574)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.view.Choreographer.doFrame(Choreographer.java:544)03-11
13:49:11.520:E/AndroidRuntime(12286):在
Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
03-11 13:49:11.520:E/AndroidRuntime(12286):在
handleCallback(Handler.java:733)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.os.Handler.dispatchMessage(Handler.java:95)03-11
13:49:11.520:E/AndroidRuntime(12286):在
android.os.Looper.loop(Looper.java:136)03-11 13:49:11.520:
E/AndroidRuntime(12286):在
android.app.ActivityThread.main(ActivityThread.java:5139)03-11
13:49:11.520:E/AndroidRuntime(12286):在
java.lang.reflect.Method.invo
<?xml version="1.0" encoding="UTF-8"?>
<ViewGroup xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+android:id/widget_frame"
android:layout_width="wrap_content"
android:layout_height="match_parent">
<ImageView
android:id="@+id/image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="@drawable/image" />
<CheckBox
android:id="@+id/checkbox"
android:layout_width="0dp"
android:layout_height="wrap_content" />
</ViewGroup>
E/AndroidRuntime(12286): Caused by: java.lang.InstantiationException: can't instantiate class android.view.ViewGroup