【问题标题】:Android : Error Inflating Fragment ClassAndroid:错误膨胀片段类
【发布时间】:2014-02-16 22:16:09
【问题描述】:

我有一个使用默认 Android Master/Detail Flow 的应用程序,但是当我尝试编译它时,我收到以下错误,这是堆栈跟踪:

01-25 23:07:09.557    1391-1391/? E/AndroidRuntime﹕ FATAL EXCEPTION: main
    Process: com.HarrisMirzaApps.weatherapp, PID: 1391
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.HarrisMirzaApps.weatherapp/com.HarrisMirzaApps.weatherapp.MainActivity}: android.view.InflateException: Binary XML file line #27: Error inflating class fragment
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2215)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2265)
            at android.app.ActivityThread.access$800(ActivityThread.java:145)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1206)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5081)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:515)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:781)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
            at dalvik.system.NativeStart.main(Native Method)
     Caused by: android.view.InflateException: Binary XML file line #27: Error inflating class fragment
            at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713)
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
            at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:343)
            at android.app.Activity.setContentView(Activity.java:1929)
            at android.support.v7.app.ActionBarActivity.superSetContentView(ActionBarActivity.java:216)
            at android.support.v7.app.ActionBarActivityDelegateICS.setContentView(ActionBarActivityDelegateICS.java:111)
            at android.support.v7.app.ActionBarActivity.setContentView(ActionBarActivity.java:76)
            at com.HarrisMirzaApps.weatherapp.MainActivity.onCreate(MainActivity.java:37)
            at android.app.Activity.performCreate(Activity.java:5231)
            at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2169)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2265)
            at android.app.ActivityThread.access$800(ActivityThread.java:145)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1206)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5081)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:515)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:781)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
            at dalvik.system.NativeStart.main(Native Method)
     Caused by: java.lang.ClassCastException: android.widget.LinearLayout cannot be cast to android.widget.ListView
            at com.HarrisMirzaApps.weatherapp.NavigationDrawerFragment.onCreateView(NavigationDrawerFragment.java:88)
            at android.support.v4.app.Fragment.performCreateView(Fragment.java:1500)
            at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:900)
            at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1082)
            at android.support.v4.app.FragmentManagerImpl.addFragment(FragmentManager.java:1184)
            at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:291)
            at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
            at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:343)
            at android.app.Activity.setContentView(Activity.java:1929)
            at android.support.v7.app.ActionBarActivity.superSetContentView(ActionBarActivity.java:216)
            at android.support.v7.app.ActionBarActivityDelegateICS.setContentView(ActionBarActivityDelegateICS.java:111)
            at android.support.v7.app.ActionBarActivity.setContentView(ActionBarActivity.java:76)
            at com.HarrisMirzaApps.weatherapp.MainActivity.onCreate(MainActivity.java:37)
            at android.app.Activity.performCreate(Activity.java:5231)
            at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2169)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2265)
            at android.app.ActivityThread.access$800(ActivityThread.java:145)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1206)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5081)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:515)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:781)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
            at dalvik.system.NativeStart.main(Native Method)

我看过很多类似的帖子,但解决方案对我不起作用。

更多信息

第 27 行是 activity_main.xml 中导航抽屉的 Fragment 标签的开始:

NavigationDrawerFragment.Java:88 is the following :
mDrawerListView = (ListView) inflater.inflate(R.layout.fragment_navigation_drawer, container, false);

提前致谢, 哈里斯·米尔扎

【问题讨论】:

  • 如果您将activity_main.xml 和NavigationDrawerFragment.class 都提供给我们,则更容易回答您的问题。和/或其他可能是您问题根源的类。看起来是片段布局 xml 中的一些问题。

标签: java android xml layout android-fragments


【解决方案1】:

仅根据您发布的 sn-p,问题似乎出在您的 id 上

mDrawerListView = (ListView) inflater.inflate(R.layout.fragment_navigation_drawer, container, false);

R.layout.fragment_navigation_drawer 是布局文件吗?如果是这样,即使布局文件中只有一个 ListView,也不能将其转换为 ListView。

你需要将布局膨胀成一个View,然后findByViewId包含的ListView

【讨论】:

  • 实际上,他/她可以将布局转换为 ListView,但前提是它是 ListView。在他/她的情况下(根据堆栈跟踪),他/她正在尝试将 LinearLayout 转换为 al Listview。
  • 谢谢,我在 fragment_navigation_drawer 中添加了一个 LinearLayout,我应该自己解决这个问题!
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