Java Android-错误膨胀布局
我创建了一个简单的UI,分为两部分:Java Android-错误膨胀布局,java,android,android-fragments,Java,Android,Android Fragments,我创建了一个简单的UI,分为两部分: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:padding
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="ubone.telnetui.TelnetActivity" >
<fragment
android:id="@+id/panel_fragment"
android:name="ubone.telnetui.fragments.PanelFragment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingBottom="0sp"
android:paddingLeft="0sp"
android:paddingRight="0sp"
android:paddingTop="0sp"
tools:layout="@layout/panel_fragment" />
<FrameLayout
android:id="@+id/content_container"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
- 包含始终可见的导航菜单的硬编码片段
- 一个框架布局,我正在使用它作为一个容器,我在其中替换一个片段,以根据在导航菜单中选择的条目显示内容
03-06 09:46:15.551: W/System.err(26183): android.view.InflateException: Binary XML file line #2: Error inflating class <unknown>
03-06 09:46:15.565: W/System.err(26183): at android.view.LayoutInflater.createView(LayoutInflater.java:613)
03-06 09:46:15.571: W/System.err(26183): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
03-06 09:46:15.578: W/System.err(26183): at android.view.LayoutInflater.onCreateView(LayoutInflater.java:660)
03-06 09:46:15.581: W/System.err(26183): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
03-06 09:46:15.588: W/System.err(26183): at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
03-06 09:46:15.595: W/System.err(26183): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
03-06 09:46:15.601: W/System.err(26183): at ubone.telnetui.fragments.PanelFragment.onCreateView(PanelFragment.java:40)
03-06 09:46:15.605: W/System.err(26183): at android.support.v4.app.Fragment.performCreateView(Fragment.java:1504)
03-06 09:46:15.615: W/System.err(26183): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:915)
03-06 09:46:15.618: W/System.err(26183): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1099)
03-06 09:46:15.628: W/System.err(26183): at android.support.v4.app.FragmentManagerImpl.addFragment(FragmentManager.java:1201)
03-06 09:46:15.631: W/System.err(26183): at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:292)
03-06 09:46:15.638: W/System.err(26183): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:676)
03-06 09:46:15.641: W/System.err(26183): at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
03-06 09:46:15.651: W/System.err(26183): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
03-06 09:46:15.655: W/System.err(26183): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
03-06 09:46:15.665: W/System.err(26183): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
03-06 09:46:15.668: W/System.err(26183): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:272)
03-06 09:46:15.678: W/System.err(26183): at android.app.Activity.setContentView(Activity.java:1887)
03-06 09:46:15.685: W/System.err(26183): at ubone.telnetui.TelnetActivity.onCreate(TelnetActivity.java:33)
03-06 09:46:15.688: W/System.err(26183): at android.app.Activity.performCreate(Activity.java:5031)
03-06 09:46:15.691: W/System.err(26183): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1082)
03-06 09:46:15.698: W/System.err(26183): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2038)
03-06 09:46:15.701: W/System.err(26183): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2099)
03-06 09:46:15.705: W/System.err(26183): at android.app.ActivityThread.access$600(ActivityThread.java:134)
03-06 09:46:15.708: W/System.err(26183): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1207)
03-06 09:46:15.711: W/System.err(26183): at android.os.Handler.dispatchMessage(Handler.java:99)
03-06 09:46:15.715: W/System.err(26183): at android.os.Looper.loop(Looper.java:137)
03-06 09:46:15.718: W/System.err(26183): at android.app.ActivityThread.main(ActivityThread.java:4797)
03-06 09:46:15.721: W/System.err(26183): at java.lang.reflect.Method.invokeNative(Native Method)
03-06 09:46:15.725: W/System.err(26183): at java.lang.reflect.Method.invoke(Method.java:511)
03-06 09:46:15.728: W/System.err(26183): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:776)
03-06 09:46:15.735: W/System.err(26183): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:543)
03-06 09:46:15.738: W/System.err(26183): at dalvik.system.NativeStart.main(Native Method)
03-06 09:46:15.738: W/System.err(26183): Caused by: java.lang.reflect.InvocationTargetException
03-06 09:46:15.755: W/System.err(26183): at java.lang.reflect.Constructor.constructNative(Native Method)
03-06 09:46:15.755: W/System.err(26183): at java.lang.reflect.Constructor.newInstance(Constructor.java:417)
03-06 09:46:15.758: W/System.err(26183): at android.view.LayoutInflater.createView(LayoutInflater.java:587)
03-06 09:46:15.758: W/System.err(26183): ... 33 more
03-06 09:46:15.758: W/System.err(26183): Caused by: java.lang.NullPointerException
03-06 09:46:15.765: W/System.err(26183): at android.content.res.ResourcesEx.getThemeDrawable(ResourcesEx.java:516)
03-06 09:46:15.765: W/System.err(26183): at android.content.res.ResourcesEx.loadDrawable(ResourcesEx.java:491)
03-06 09:46:15.765: W/System.err(26183): at android.content.res.TypedArray.getDrawable(TypedArray.java:606)
03-06 09:46:15.768: W/System.err(26183): at android.view.View.<init>(View.java:3352)
03-06 09:46:15.768: W/System.err(26183): at android.view.ViewGroup.<init>(ViewGroup.java:427)
03-06 09:46:15.768: W/System.err(26183): at android.widget.LinearLayout.<init>(LinearLayout.java:176)
03-06 09:46:15.771: W/System.err(26183): at android.widget.LinearLayout.<init>(LinearLayout.java:172)
03-06 09:46:15.771: W/System.err(26183): ... 36 more
有什么想法吗?谢谢。我认为您的图像视图(android:background=“@style/AppTheme”)的背景不正确。不能将样式设置为背景。由于某种原因,android build environment似乎没有检测到这一点。列出的文件中的哪一个是
R.layout.panel\u fragment
引用的?在android.view.view初始化视图时似乎有问题。(view.java:3352)
在任何布局中,listview在哪里?@P-aBäckström这是第二个XML代码。@Raghunandan我刚刚意识到我的Java代码中有一个错误:它不是列表视图,而是线性布局。但这并不是导致问题的原因,因为异常是在强制转换之前抛出的。感谢您的帮助,这可能是重复的,但不幸的是,这不是问题的根源。通过这里和那里的注释,我发现即使导航菜单的LinearLayout为空,它也会失败。在主XML布局中声明并应该包含菜单的片段是导致崩溃的原因。我试着在那个地方加载一个不同的片段而不是导航菜单,它确实起作用了,所以问题可能来自这个导航菜单。当你将导航菜单LinearLayout设置为空时,你是否也删除了android:background=“@style/AppTheme”?是的,你是对的。我已经删除了所有的背景属性,现在它的工作。我不记得这是自动生成的代码还是我从教程中粘贴的代码,但似乎这是问题的根源。谢谢你的帮助。
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/LinearLayout2"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@style/AppTheme"
android:orientation="horizontal" >
<LinearLayout
android:id="@+id/LinearLayout3"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="@style/AppTheme"
android:orientation="vertical"
android:paddingBottom="2dp"
android:paddingLeft="2dp"
android:paddingRight="2dp"
android:paddingTop="2dp" >
<ImageView
android:id="@+id/imageViewSessions"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@style/AppTheme"
android:contentDescription="@string/action_select_all"
android:src="@drawable/ic_action_select_all" />
<ImageView
android:id="@+id/imageViewSettings"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@style/AppTheme"
android:contentDescription="@string/action_settings"
android:src="@drawable/ic_action_settings" />
<ImageView
android:id="@+id/imageViewHelp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@style/AppTheme"
android:contentDescription="@string/action_help"
android:src="@drawable/ic_action_help" />
</LinearLayout>
</LinearLayout>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/settings_fragment" >
<EditTextPreference android:dialogMessage="DialogMessage" android:dialogTitle="DialogTitle"/>
<SwitchPreference android:summaryOn="Activate or deactivate the Bluetooth" android:summaryOff="Activate or deactivate the Bluetooth" android:switchTextOff="off" android:switchTextOn="on" android:title="Bluetooth"/>
</PreferenceScreen>
<ubone.telnetui.views.TnScreen xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/tn_screen_fragment"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_marginBottom="3dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="3dp"
android:background="@android:color/transparent" >
</ubone.telnetui.views.TnScreen>
@Override
public View onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState )
{
final ListView lv = (ListView) inflater.inflate( R.layout.panel_fragment, container, false );
lv.setOnItemClickListener( this );
return lv;
}