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مخصوص اعضای ویژه 
Process: com.example.myapplication, PID: 9480
java.lang.IllegalArgumentException: com.google.android.material.datepicker.MaterialDatePicker requires a value for the com.example.myapplication:attr/colorSurface attribute to be set in your app theme. You can either set the attribute in your theme or update your theme to inherit from Theme.MaterialComponents (or a descendant).
