近日在写通过相机获取头像并上传的逻辑时，发现调取相机老是出错，以下是错误log：
Process: com.edt.edtadmin, PID: 17070
android.os.FileUriExposedException: file:///storage/emulated/0/ehcda exposed beyond app through ClipData.Item.getUri()
at android.os.StrictMode.onFileUriExposed(StrictMode.java:1816)
at android.net.Uri.checkFileUriExposed(Uri.java:2350)
at android.content.ClipData.prepareToLeaveProcess(ClipData.java:832)
at android.content.Intent.prepareToLeaveProcess(Intent.java:9052)
at android.content.Intent.prepareToLeaveProcess(Intent.java:9037)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1530)
at android.app.Activity.startActivityForResult(Activity.java:4391)
at android.support.v4.app.BaseFragmentActivityJB.startActivityForResult(BaseFragmentActivityJB.java:54)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:75)
at android.app.Activity.startActivityForResult(Activity.java:4335)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:708)
at com.edt.framework_common.utils.PhotoUtils.startCapture(PhotoUtils.java:43)
at com.edt.edtadmin.section.home.activity.MyActivity$2.CameraClick(MyActivity.java:131)
at com.edt.framework_common.utils.CameraDialog$1.onClick(CameraDialog.java:64)
at android.view.View.performClick(View.java:5646)
at android.view.View$PerformClick.run(View.java:22459)
at android.os.Handler.handleCallback(Handler.java:761)
at android.os.Handler.dispatchMessage(Handler.java:98)
at android.os.Looper.loop(Looper.java:156)
at android.app.ActivityThread.main(ActivityThread.java:6523)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:941)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:831)通过网上查询知道，原来android NN收回了对访问文件权限。若要在应用间共享文件，您应发送一项 content://URI，并授予 URI 临时访问权限。
万能的大神已经给了解决的办法，我就不再重复造车了，下面是解决这个问题的办法：
解决 Android N 上报android.os.FileUriExposedException