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In Nougat, the camera app can be started by double pressing the physical middle button on the phone. Many times I forget to press the video recording button and keep holding the phone up, thinking video recording is going on and much later realize it wasnt started.

Is there a way to start the video recording without having to explicitly press the record button? Ideally, I'd want to take my phone out of my pocket, press just one button and that should be enough to start the video recording. I shouldn't have to spend time typing my pin to unlock the screen or searching for the brightness slider when running from an indoor location to an outdoor location and then start the camera app and press the record button.

If it would be possible to program a patch for it, I should be able to do so, but I need to know what would be an efficient way to get the one-button-press-video-record functionality.

  • The solution might prove to be app specific, so it would help if you mention your camera app's name. If you're using stock Camera app, mention the device name, Android version and Android build number (under Settings -> About). Thanks! – Firelord Nov 28 '18 at 20:51
  • I'm using the stock camera on 7.1.1. Build: NMF26X.J250FXWS2ARC2. – Nav Nov 29 '18 at 7:21
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A custom widget ( start recording ) on your homescreen would work, but you still need to enter the PIN...

Maybe a custom lock screen with a record video button and unlock button, or maybe use the stock lock screen shortcuts to open the camera, manually switch to video and start ( no PIN entry )

The best way to do what you want might be to use key overrides and designate a volume key to camera key...

Your main limitation is the lock screen PIN, you could hypothetically use a shortcut to the record video intent, placed on a custom lockscreen, but not sure.

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    Since the stock camera can be started by double pressing the physical button and without having to enter the pin, I may need to only apply a patch that auto-starts video recording when this action is triggered. Or perhaps build my own camera app that gets triggered and auto-closes the stock camera app before running. Tried Google searching but couldn't find helpful pointers. – Nav Nov 29 '18 at 7:28

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