Unable to add audio attachments

Expected behavior

I expect that i should be able to attach an audio file and share with my contacts.

Actual behavior

Audio attachments cannot be added

How to reproduce

1. Download silence app from F-driod
2. Launch the application
3. Choose a particular contact.
4. Click on the three dotted menu at the top right, go to "add attachment"
5. Click on audio for attachment option
6. Select any audio file. The selected audio will not be attached to the message.

• Device: Tecno camon cx
• Operating system: Android 7
• Application Version: version 0.15.13

Recording Of The Bug

Here is the debug log gotten from the application. It maybe useful to the developer in solving the bug:

Device : TECNO TECNO Camon CX (H501) Android : 7.0 (1510198073, CX-H501DEFG-N-171109V159) Memory : 30M (19.13% free, 512M max) Memclass: 256 OS Host : rlk-buildsrv-tf29 App : Silence 0.15.13

04-10 10:06:06.953 29101 29101 E SpannableStringBuilder: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length 04-10 10:06:06.953 29101 29101 E SpannableStringBuilder: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length 04-10 10:07:00.423 29101 29101 E SpannableStringBuilder: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length 04-10 10:07:00.423 29101 29101 E SpannableStringBuilder: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length 04-10 10:07:09.920 29101 29101 E SpannableStringBuilder: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length 04-10 10:07:09.920 29101 29101 E SpannableStringBuilder: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length 04-10 10:07:17.083 29101 29101 E MPlugin : Unsupported class: com.mediatek.common.telephony.IOnlyOwnerSimSupport

Here is the log for image attachment that was attached to the message successfully. This may be useful to the developer in making comparisons:

04-10 10:20:15.120 29101 6994 E MPlugin : Unsupported class: com.mediatek.common.telephony.IOnlyOwnerSimSupport 04-10 10:20:18.029 29101 29101 E SpannableStringBuilder: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length 04-10 10:20:18.029 29101 29101 E SpannableStringBuilder: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length 04-10 10:20:33.879 29101 29101 E MPlugin : Unsupported class: com.mediatek.common.telephony.IOnlyOwnerSimSupport