Android Studio ---導航抽屜活動，錯誤膨脹類片段

Question

我是Android Studio的新手，我之前使用過Eclipse。 今天當我開始一個新的項目，空白活動，導航類型是導航抽屜。 但是當我運行這個項目時，它沒有工作。 logcat上出現了一些錯誤的信息。 這是log.Can任何人都可以告訴問題嗎？謝謝。

01-11 20:37:38.579 14409-14409/com.lee.myapplicationdrawer E/AndroidRuntime﹕ FATAL EXCEPTION: main 
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.lee.myapplicationdrawer/com.lee.myapplicationdrawer.MainActivity}: android.view.InflateException: Binary XML file line #24: Error inflating class fragment 
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2114) 
      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2139) 
      at android.app.ActivityThread.access$700(ActivityThread.java:143) 
      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1241) 
      at android.os.Handler.dispatchMessage(Handler.java:99) 
      at android.os.Looper.loop(Looper.java:137) 
      at android.app.ActivityThread.main(ActivityThread.java:4963) 
      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:1038) 
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805) 
      at dalvik.system.NativeStart.main(Native Method) 
    Caused by: android.view.InflateException: Binary XML file line #24: Error inflating class fragment 
      at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:710) 
      at android.view.LayoutInflater.rInflate(LayoutInflater.java:752) 
      at android.view.LayoutInflater.inflate(LayoutInflater.java:495) 
      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:318) 
      at android.app.Activity.setContentView(Activity.java:1924) 
      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.lee.myapplicationdrawer.MainActivity.onCreate(MainActivity.java:37) 
      at android.app.Activity.performCreate(Activity.java:5184) 
      at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094) 
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2078) 
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2139) 
            at android.app.ActivityThread.access$700(ActivityThread.java:143) 
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1241) 
            at android.os.Handler.dispatchMessage(Handler.java:99) 
            at android.os.Looper.loop(Looper.java:137) 
            at android.app.ActivityThread.main(ActivityThread.java:4963) 
            at java.lang.reflect.Method.invokeNative(Native Method) 
            at java.lang.reflect.Method.invoke(Method.java:511) 
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038) 
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805) 
            at dalvik.system.NativeStart.main(Native Method) 
    Caused by: java.lang.NullPointerException 
      at com.lee.myapplicationdrawer.MainActivity.onCreateOptionsMenu(MainActivity.java:82) 
      at android.app.Activity.onCreatePanelMenu(Activity.java:2553) 
      at android.support.v4.app.FragmentActivity.onCreatePanelMenu(FragmentActivity.java:224) 
      at android.support.v7.app.ActionBarActivity.superOnCreatePanelMenu(ActionBarActivity.java:232) 
      at android.support.v7.app.ActionBarActivityDelegateICS.onCreatePanelMenu(ActionBarActivityDelegateICS.java:147) 
      at android.support.v7.app.ActionBarActivity.onCreatePanelMenu(ActionBarActivity.java:199) 
      at android.support.v7.app.ActionBarActivityDelegateICS$WindowCallbackWrapper.onCreatePanelMenu(ActionBarActivityDelegateICS.java:285) 
      at com.android.internal.policy.impl.PhoneWindow.preparePanel(PhoneWindow.java:455) 
      at com.android.internal.policy.impl.PhoneWindow.invalidatePanelMenu(PhoneWindow.java:835) 
      at android.app.Activity.invalidateOptionsMenu(Activity.java:2672) 
      at android.support.v4.app.ActivityCompatHoneycomb.invalidateOptionsMenu(ActivityCompatHoneycomb.java:29) 
      at android.support.v4.app.FragmentActivity.supportInvalidateOptionsMenu(FragmentActivity.java:648) 
      at android.support.v7.app.ActionBarActivity.supportInvalidateOptionsMenu(ActionBarActivity.java:170) 
      at android.support.v4.app.Fragment.setHasOptionsMenu(Fragment.java:803) 
      at com.lee.myapplicationdrawer.NavigationDrawerFragment.onCreate(NavigationDrawerFragment.java:82) 
      at android.support.v4.app.Fragment.performCreate(Fragment.java:1477) 
      at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:893) 
      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.vi 
01-11 20:37:38.749 11330-11330/? E/Launcher﹕ Error finding setting, default accessibility to not found: accessibility_en 

體健

Answer 1

看來你有一個空指針，而在onCreateOptionsMenu膨脹你的菜單，發佈您的代碼，如果你不介意的話。發佈MainActivity類和NavigationDrawerFragment類的代碼以及xml文件。