This website or its third-party tools use cookies which are necessary to its functioning and required to improve your experience. By clicking the consent button, you agree to allow the site to use, collect and/or store cookies.
Please click the consent button to view this website.
I accept
Deny cookies Go Back

Mobile app tutorials

  • Home
  • About
  • Contact
  • Login
You are here: Home / Kotlin Camera2 API / Kotlin Camera2 API MediaRecorder

March 19, 2018 by nigel

Kotlin Camera2 API MediaRecorder



The Kotlin Camera2 API MediaRecorder Android development tutorial describes how to setup the MediaRecorder for recording video from the rear camera.

This Kotlin on Android tutorial follows on from the icons episode.

In this Kotlin on Android tutorial we will cover:

  • How to create a unique file name
  • How to create an Android File
  • Using the SimpleDateFormat class
  • Adding value to support display orientation
  • Getting sensor orientation from camera characteristics
  • Setting up the MediaRecorder

Thes Kotlin specific parts will include

  • Using late init delegate
  • Kotlin Apply() on objects

Episodes

  1. Icons
  2. MediaRecorder
  3. Rear Camera Record
  4. Round preview thumbnail
  5. Sharing Uri with ViewModel
  6. Video Playback with ExoPlayer
  7. Video PIP
  8. Front Camera Record (Premium)
  9. Video Record with Audio (Premium)
  10. Replace TextureView with SurfaceView (Premium)

Disclaimer, it is recommended to follow this Kotlin on Android tutorial series using a Google Pixel or Nexus device.
Please do not try it with the Android Emulator. Bugs have also been observed in camera stacks of none Google devices, which may be exposed by this tutorial series.

To get access to the source code and code descriptions please fill out the form below to complete your free membership:
An account with your username and/or email address has been created. Log in here to access your products or complete a purchase. [Note: an account will be created even if your initial transaction failed at checkout. If this happened to you, simply log in and attempt your transaction again.]







Conclusion

This Kotlin on Android development tutorial focused on setting up the Android MediaRecorder.
A key point to be aware of when recording video on an Android device is the video orientation.
And in this Kotlin on Android tutorial, we demonstrated how to get the screen display and sensor orientations. And then use those values for setting the correct offsets for the MediaRecorder setOrientationHint value.
The cameraCharacteristics function was also updated to support SENSOR_ORIENTATION key.

The following Kotlin on Android tutorial will describe how to create a video capture session for recording video.

Print Friendly

Filed Under: Kotlin Camera2 API Tagged With: Android, Android Development Tutorials, Android Software Development, Git, Kotlin, Record Video, Rotation Sensor, Video Recording

  • Facebook
  • Google+
  • Twitter
  • YouTube




Recent Forum Topics

  • Kotlin Fragments
  • Kotlin Camera2 API
  • HTTP Image Libraries

Recent Posts

  • Installing and running flutter
  • Kotlin Camera2 API MediaRecorder
  • Flutter IntelliJ Tips for Beginners
  • Migrating Fragments to Jetpack Navigation
  • Flutter TabBar

Recent Posts

  • Installing and running flutter
  • Kotlin Camera2 API MediaRecorder
  • Flutter IntelliJ Tips for Beginners
  • Migrating Fragments to Jetpack Navigation
  • Flutter TabBar

Search Form

  • Facebook
  • GitHub
  • Google+
  • Twitter
  • YouTube

© 2021 - WWW.MOBAPPTUTS.COM