请尽快帮我解决此错误。

05-11 22:22:35.952 1479-1479/com.example.gettogetherapp E/dalvikvm: Could not find class 'androidx.core.view.ViewCompat$2', referenced from method androidx.core.view.ViewCompat.addOnUnhandledKeyEventListener 05-11 22:22:36.010 1479-1479/com.example.gettogetherapp E/dalvikvm: Could not find class 'android.view.View$OnUnhandledKeyEventListener', referenced from method androidx.core.view.ViewCompat.removeOnUnhandledKeyEventListener 05-11 22:22:36.038 1479-1479/com.example.gettogetherapp E/dalvikvm: Could not find class 'androidx.core.view.ViewCompat$1', referenced from method androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener 05-11 22:22:36.799 1479-1563/com.example.gettogetherapp E/dalvikvm: Could not find class 'android.graphics.drawable.RippleDrawable', referenced from method androidx.appcompat.widget.AppCompatImageHelper.hasOverlappingRendering 05-11 22:22:36.811 1479-1479/com.example.gettogetherapp E/dalvikvm: Could not find class 'dalvik.system.DelegateLastClassLoader', referenced from method nk.a 05-11 22:22:36.888 1479-1479/com.example.gettogetherapp E/dalvikvm: Could not find class 'android.view.textclassifier.TextClassificationManager', referenced from method androidx.appcompat.widget.AppCompatTextClassifierHelper.getTextClassifier 05-11 22:22:36.973 1479-1479/com.example.gettogetherapp E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.gettogetherapp, PID: 1479 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.gettogetherapp/com.example.gettogetherapp.SinginActivity}: android.view.InflateException: Binary XML file line #106: Error inflating class Button at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2338) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2390) at android.app.ActivityThread.access$800(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1321) at android.os.Handler.dispatchMessage(Handler.java:110) at android.os.Looper.loop(Looper.java:193) at android.app.ActivityThread.main(ActivityThread.java:5299) 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:829) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:645) at dalvik.system.NativeStart.main(Native Method) Caused by: android.view.InflateException: Binary XML file line #106: Error inflating class Button at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713) at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:397) at android.view.LayoutInflater.inflate(LayoutInflater.java:353) at