Can't find resource for bundle 'org.ocpsoft.prettytime.i18n.Resources_zh_CN'

Android Studio菜单Build->Generate Signed APK,安装到设备之后程序崩溃

java.util.MissingResourceException
Can't find resource for bundle 'org.ocpsoft.prettytime.i18n.Resources_zh_CN', key ''
java.util.ResourceBundle.missingResourceException(ResourceBundle.java:238)
java.util.ResourceBundle.getBundle(ResourceBundle.java:230)
java.util.ResourceBundle.getBundle(ResourceBundle.java:159)
b.a.a.b.b.b(Unknown Source)
b.a.a.b.b.a(Unknown Source)
b.a.a.c.a(Unknown Source)
b.a.a.c.a(Unknown Source)
b.a.a.c.b(Unknown Source)
b.a.a.c.<init>(Unknown Source)
com.way.heard.e.j.a(Unknown Source)
com.way.heard.a.u.a(Unknown Source)
com.way.heard.a.u.a(Unknown Source)
android.support.v7.widget.eb.a(Unknown Source)
android.support.v7.widget.eb.b(Unknown Source)
android.support.v7.widget.es.a(Unknown Source)
android.support.v7.widget.es.c(Unknown Source)
android.support.v7.widget.cy.a(Unknown Source)
android.support.v7.widget.LinearLayoutManager.a(Unknown Source)
android.support.v7.widget.LinearLayoutManager.a(Unknown Source)
android.support.v7.widget.LinearLayoutManager.c(Unknown Source)
android.support.v7.widget.RecyclerView.G(Unknown Source)
android.support.v7.widget.RecyclerView.k(Unknown Source)
android.support.v7.widget.RecyclerView.onLayout(Unknown Source)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.support.v4.widget.SwipeRefreshLayout.onLayout(Unknown Source)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
android.widget.FrameLayout.onLayout(FrameLayout.java:273)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
android.widget.FrameLayout.onLayout(FrameLayout.java:273)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.support.design.widget.CoordinatorLayout.c(Unknown Source)
android.support.design.widget.CoordinatorLayout.a(Unknown Source)
android.support.design.widget.dh.a(Unknown Source)
android.support.design.widget.AppBarLayout$ScrollingViewBehavior.a(Unknown Source)
android.support.design.widget.CoordinatorLayout.onLayout(Unknown Source)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.support.v4.widget.DrawerLayout.onLayout(Unknown Source)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
android.widget.FrameLayout.onLayout(FrameLayout.java:273)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
android.widget.FrameLayout.onLayout(FrameLayout.java:273)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
android.widget.FrameLayout.onLayout(FrameLayout.java:273)
com.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.java:2728)
android.view.View.layout(View.java:16727)
android.view.ViewGroup.layout(ViewGroup.java:5452)
android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2288)
android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2025)
android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1174)
android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6241)
android.view.Choreographer$CallbackRecord.run(Choreographer.java:873)
android.view.Choreographer.doCallbacks(Choreographer.java:676)
android.view.Choreographer.doFrame(Choreographer.java:606)
android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:859)
android.os.Handler.handleCallback(Handler.java:739)
android.os.Handler.dispatchMessage(Handler.java:95)
android.os.Looper.loop(Looper.java:168)
android.app.ActivityThread.main(ActivityThread.java:5845)
java.lang.reflect.Method.invoke(Native Method)
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:797)
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:687)

解决办法为在proguard-rules文件中添加

-keep class org.ocpsoft.prettytime.i18n.**
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