启动摄像头黑屏
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在一台魅族上没事
一台华为上启动后黑屏然后按拍照键直接奔溃
uncaughtException errorReport=java.lang.NullPointerException: Attempt to invoke virtual method 'void android.hardware.Camera$Parameters.setRotation(int)' on a null object reference
║ at com.baidu.ocr.ui.camera.Camera1Control.takePicture(Camera1Control.java:209) at com.baidu.ocr.ui.camera.CameraView.takePicture(CameraView.java:178)
║ at com.baidu.ocr.ui.camera.Camera1Control.takePicture(Camera1Control.java:209) at com.baidu.ocr.ui.camera.CameraView.takePicture(CameraView.java:178)
在一台vivo上启动直接黑屏按拍照键没反应
║ uncaughtException errorReport=java.lang.RuntimeException: takePicture failed
║ at android.hardware.Camera.native_takePicture(Native Method)
║ at android.hardware.Camera.takePicture(Camera.java:1581)
║ at android.hardware.Camera.takePicture(Camera.java:1526)
║ at com.baidu.ocr.ui.camera.Camera1Control$1.run(Camera1Control.java:227)
║ at android.hardware.Camera.native_takePicture(Native Method)
║ at android.hardware.Camera.takePicture(Camera.java:1581)
║ at android.hardware.Camera.takePicture(Camera.java:1526)
║ at com.baidu.ocr.ui.camera.Camera1Control$1.run(Camera1Control.java:227)
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Parameters没获取到
可以看看这个解决方法，这种情况可能是手机问题呢
https://www.itstrike.cn/Question/e265aade-e490-4ac5-bb17-342bb8327ff6.html