InflateException Error inflating class .. CustomDatePicker

[HahalongGit]

Exception Message:
android.view.InflateException: Binary XML file line #0: Error inflating class com.duomengda...CustomDatePicker
at android.view.LayoutInflater.createView(LayoutInflater.java:640)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:750)
at android.view.LayoutInflater.inflate(LayoutInflater.java:483)
at android.view.LayoutInflater.inflate(LayoutInflater.java:415)
at com.duomengda.shipper.ui.timepicker.DateFragment.onCreateView(DateFragment.java:128)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:2343)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1419)
at android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1740)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1809)
at android.support.v4.app.BackStackRecord.executeOps(BackStackRecord.java:799)
at android.support.v4.app.FragmentManagerImpl.executeOps(FragmentManager.java:2580)
at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2367)
at android.support.v4.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(FragmentManager.java:2322)
at android.support.v4.app.FragmentManagerImpl.execSingleAction(FragmentManager.java:2199)
at android.support.v4.app.BackStackRecord.commitNowAllowingStateLoss(BackStackRecord.java:651)
at android.support.v4.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:145)
at android.support.v4.view.ViewPager.populate(ViewPager.java:1236)
at android.support.v4.view.ViewPager.populate(ViewPager.java:1084)
at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1614)
at com.duomengda.shipper.ui.timepicker.CustomViewPager.onMeasure(CustomViewPager.java:65)
at android.view.View.measure(View.java:18417)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5801)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1835)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:725)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:616)
at android.view.View.measure(View.java:18417)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5801)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
at android.view.View.measure(View.java:18417)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5801)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
at android.view.View.measure(View.java:18417)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5801)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2881)
at android.view.View.measure(View.java:18417)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2237)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1270)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1537)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1180)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6558)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:777)
at android.view.Choreographer.doCallbacks(Choreographer.java:590)
at android.view.Choreographer.doFrame(Choreographer.java:560)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:763)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:5835)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance(Native Method)
at java.lang.refle

error location:
LayoutInflater localInflater = inflater.cloneInContext(contextThemeWrapper);
View v = localInflater.inflate(R.layout.fragment_date, container, false);
mDatePicker = (CustomDatePicker) v.findViewById(R.id.datePicker);