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当我从我的项目生成 apk 时，导航抽屉菜单单击不起作用。当我点击菜单时。应用程序抛出异常。

1-尝试了这些。2-清洁项目。3-重建项目。

我面临的错误是：

*

java.lang.RuntimeException: Unknown animation name: x
    at android.view.animation.AnimationUtils.createAnimationFromXml(AnimationUtils.java:216)
    at android.view.animation.AnimationUtils.createAnimationFromXml(AnimationUtils.java:180)
    at android.view.animation.AnimationUtils.loadAnimation(AnimationUtils.java:144)
    at j.p.a.g(Unknown Source:20)
    at j.p.c.q.V(FragmentManager.java:27)
    at j.p.c.q.W(FragmentManager.java:6)
    at j.p.c.q.E(FragmentManager.java:82)
    at j.p.c.q.d0(FragmentManager.java:11)
    at j.p.c.q.C(FragmentManager.java:14)
    at j.p.c.q$d.run(FragmentManager.java:1)
    at android.os.Handler.handleCallback(Handler.java:883)
    at android.os.Handler.dispatchMessage(Handler.java:100)
    at android.os.Looper.loop(Looper.java:237)
    at android.app.ActivityThread.main(ActivityThread.java:8167)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:496)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1100)
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