This video demonstrates, step-by-step, how to build a mobile video chat application for Android in under nine minutes.

 

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    JEONG PHIL JUN

    hi. there.  네이버 Papago (NAVER Papago)

    I succeeded in making an example out of that video clip.
    However, during Preview, video is produced but no audio is produced.
    I wonder what to do to make it sound during Preview.
    Can you answer that?

     

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    Faraz Yousaf

    same error with me too. app crashes on startup on real device but starts normally in emulator. on clicking start, app crashes and logs shows audio errors.

     

    04 18:19:08.918 3319-3364/com.example.l1f13bscs0111.tele_presence E/AudioRecord: Could not get audio input for session 217, record source 0, sample rate 16000, format 0x1, channel mask 0x10, flags 0x5
    05-04 18:19:08.919 3319-3364/com.example.l1f13bscs0111.tele_presence E/libOpenSLES: android_audioRecorder_realize(0x96bf9000) error creating AudioRecord object; status -22

    kindly help

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