Ta的回复 ：您好，导入WakeUp.bin,在调用过程中报异常如下： java.lang.Exception: WakeUpInitial=-1.... 请问如何解决

Ta的回复 ：Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.SharedPreferences android.content.Context.getSharedPreferences(java.lang.String, int)' on a null object reference at com.baidu.ocr.sdk.utils.DeviceUtil.getDeviceId(DeviceUtil.java:47) at com.baidu.ocr.sdk.utils.DeviceUtil.getDeviceInfo(DeviceUtil.java:84) at com.baidu.ocr.sdk.OCR.initAccessTokenImpl(OCR.java:759) at com.baidu.ocr.sdk.OCR.initAccessToken(OCR.java:724) at com.xxf.rain.RainAgent.initOCR(RainAgent.java:118) 报这样错，解决了吗？