无法启动活动组件信息：android.content.res.Resources$NotFoundException

我有一个主应用程序，它依赖于android库。我在安卓图书馆有一个活动。我验证了布局文件和活动类。活动类正在调用右布局文件。但不知什么原因，我无法从主应用程序调用库的活动。依赖性方面，我验证了一切。我还有另一个库，它是主应用程序所依赖的，但该库在gr8中运行时没有任何问题。为了这个图书馆，我不断得到

 java.lang.RuntimeException: Unable to start activity ComponentInfo{}: android.content.res.Resources$NotFoundException: Resource ID #0x7f03001a
                                                                      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2389)
                                                                      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2451)
                                                                      at android.app.ActivityThread.access$800(ActivityThread.java:151)
                                                                      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1354)
                                                                      at android.os.Handler.dispatchMessage(Handler.java:102)
                                                                      at android.os.Looper.loop(Looper.java:135)
                                                                      at android.app.ActivityThread.main(ActivityThread.java:5499)
                                                                      at java.lang.reflect.Method.invoke(Native Method)
                                                                      at java.lang.reflect.Method.invoke(Method.java:372)
                                                                      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:942)
                                                                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:737)
                                                                   Caused by: android.content.res.Resources$NotFoundException: Resource ID #0x7f03001a
                                                                      at android.content.res.Resources.getValue(Resources.java:1266)
                                                                      at android.content.res.Resources.loadXmlResourceParser(Resources.java:2656)
                                                                      at android.content.res.Resources.getLayout(Resources.java:1082)
                                                                      at android.view.LayoutInflater.inflate(LayoutInflater.java:412)
                                                                      at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
                                                                      at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:256)
                                                                      at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
                                                                      at XXXXXXXXXXXX.onCreate(Unknown Source)
                                                                      at android.app.Activity.performCreate(Activity.java:5990)
                                                                      at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1117)
                                                                      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2342)
                                                                      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2451) 
                                                                      at android.app.ActivityThread.access$800(ActivityThread.java:151) 
                                                                      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1354) 
                                                                      at android.os.Handler.dispatchMessage(Handler.java:102) 
                                                                      at android.os.Looper.loop(Looper.java:135) 
                                                                      at android.app.ActivityThread.main(ActivityThread.java:5499) 
                                                                      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:942) 
                                                                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:737) 

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我在活动中导入了特定于包的R文件，问题消失了。谢谢大家抽出时间。