Android SecurityException on PDF Send Intent

2019-02-10 20:56发布

I'm getting the following exception during an ACTION_SEND intent with a data type application/pdf:

java.lang.SecurityException: Permission Denial: starting Intent { act=android.intent.action.SEND typ=application/pdf flg=0x3080000 cmp=com.adobe.reader/.ARSendForSignature (has extras) }

This brings up a dialog to choose the desired application to receive the PDF. I believe the SecurityException is being thrown when a user chooses Adobe Reader from the list, although it appears to be opening specifically the ARSendForSignature activity.

Any ideas?

1条回答
太酷不给撩
2楼-- · 2019-02-10 21:32

You are encountering a bug in the Adobe Reader app, or a bug in Android, depending upon your perspective.

The Adobe Reader ARSendForSignature activity supports the ACTION_SEND <intent-filter>, but they explicitly have android:exported="false", which denies anyone but them the ability to start that activity.

Either:

  1. Adobe Reader should not have that <intent-filter>, or
  2. Adobe Reader should not have marked it as not exported, or
  3. The Android chooser should filter out non-exported activities

Long-term, the answer should be #3 -- I'll work on reproducing this problem and will file an issue, assuming there isn't already one. Short-term, Adobe can fix this faster than we can fix a couple hundred million devices. :-)

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