config.arm64_v8a

config.xxhdpi

Everyone

Serenegiant

Jelly Bean

Caution! Some Android 9 devices will not work well. If video recording does not work on your Android 9 device, please try to set [Settings]>[Expert settings]>[Enable Surface encoder for movie capture] ON.
Caution! Android 5.1.1 for Samsung GALAXY series currently have issue on accessing USB device. And if you update your GALAXY to Android 5.1.1, this app may not work.
Caution! Some devices like which CPU/SOC is made by MediaTek, Rockchip and Allwinner will have some issues on USB host function and these devices may freeze, restart. Additionally some devices have limitation of USB current and/or are very sensitive to USB current variation. The power consumption of web cam is more tha several hundreds mA and we recommend to use self-powered USB hub for stable use of this app.

No root access and custon ROM need even on Android4.4/5.0 devices. Only you need is just install(and of course you need UVC web cam and OTG cable)
If you don't want to show ads, you can use paid-for version after checking of operation using this free version.
Detailed usage is available on following web site. But it is still Japanese only.UsbWebカメラアプリの使い方
There are some devices that fail to start preview with specific combination of camera and resolutions. Please stop and restart preview again with ON/OFF button.

Features:
・Movie capturing
You can save the image frames as a MP4 movie file into the Movies/UsbWebCamera directory on the external storage.
This app limits maximum duration time by 3 minutes. If you want more duration time, please use un-limited paid-for version. 
You can start/stop movie capturing by pressing capturing button placed at bottom center of screen(while you set a switch placed at right bottom of screen to the right position).
Simultaneous audio capturing is available when it is enabled on preference screen.
・Still iamge capturing
You can also save still image as a png file into DCIM/UsbWebCamera directory on the external strage by pressing the capturing button(while you set a switch placed at the right bottom of screen to the left position)
・Interval capturing(still image and movie)
You can start interval capturing by long pressing the caputuring button.
・Mirror display is available.
You can flip horizontal, vertical and both horizontal & vertical of preview image.
This has no effect to still image and movie capturing.
・Limitation of maximum FPS for reducing battery consumption
・Quality control of preview rendering for reducing battery consumption
・Screen dimming for reducing battery consumption
・Cross line view finder
The view finder never shows on still image and movie.
・Screen orientation
You can select whether screen rotates depending on the device orientation, or fix it to portrait/landscape.
・Adjusting image
You can adjust brightness, contrast, saturation, sharpness, gamma, gain and whiteblance if your camera supports them.
We assume many of generic UVC web came and video grabber can work with this app but not all of them. If you find a device that can not work with this app, it is helpful for us to let it know us.

Note:
・Please detach your cam from device when you don't need it because just connecting web cam use battery.
・The power consumption of web cam is more tha several hundreds mA and we recommend to use self-powered USB hub.
・This app does not support multiple cam previewing now. You can connect multiple cam when using USB hub, but only one cam can use at a time.
・This app may not work well according to the combination of camera type, resolution and fps setting etc.

About permissions:
・This app use the permission of write accress to external storage to save still image/movie.
・This app use the permission of network access to show ads.
・This app use the permission of vibration to feedback on starting interval capturing.
・This app use the permission of audio recording.

Notifications:
This app is based in part on the work of the Independent JPEG Group.


UsbWebCamera

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