我正在使用钛开发应用程序，但是当我在Android上测试它时，它会在后台接收推送通知时偶尔崩溃。在iOS版本上，这不会导致任何问题。
我使用安装了4.4.2版本的Android和Titanium SDK 3.4.0 这是崩溃报告：
java.lang.RuntimeException: Unable to start activity ComponentInfo{de.hitabis.elsa.mobile/org.appcelerator.titanium.TiActivity}: android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment ti.modules.titanium.ui.widget.tabgroup.TiUIActionBarTab$TabFragment: make sure class name exists, is public, and has an empty constructor that is public
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2596)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2653)
at android.app.ActivityThread.access$800(ActivityThread.java:156)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1355)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:157)
at android.app.ActivityThread.main(ActivityThread.java:5872)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:674)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment ti.modules.titanium.ui.widget.tabgroup.TiUIActionBarTab$TabFragment: make sure class name exists, is public, and has an empty constructor that is public
at android.support.v4.app.Fragment.instantiate(Fragment.java:413)
at android.support.v4.app.FragmentState.instantiate(Fragment.java:97)
at android.support.v4.app.FragmentManagerImpl.restoreAllState(FragmentManager.java:1801)
at android.support.v4.app.FragmentActivity.onCreate(FragmentActivity.java:213)
at android.support.v7.app.ActionBarActivity.onCreate(ActionBarActivity.java:97)
at org.appcelerator.titanium.TiBaseActivity.onCreate(TiBaseActivity.java:473)
at org.appcelerator.titanium.TiActivity.onCreate(TiActivity.java:18)
at android.app.Activity.performCreate(Activity.java:5312)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1111)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2552)
... 11 more
Caused by: java.lang.InstantiationException: can't instantiate class ti.modules.titanium.ui.widget.tabgroup.TiUIActionBarTab$TabFragment; no empty constructor
at java.lang.Class.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java:1208)
at android.support.v4.app.Fragment.instantiate(Fragment.java:402)
... 20 more