CameraFi is an app for video chatting or streaming from a portable device.
Functions
This application provides the ability USB connections cameras for Android smartphones. This means that video lovers will get more quality image than a "regular" camera can provide.
CameraFi offers several modes for source selection. The user can enable image capture from only one of the cameras or use the "picture in picture" mode. Video recorded in real time can be edited right there - use filters, overlay images and text captions, or add subtitles. In addition, the application allows you to manage privacy settings. For example, it makes it possible to launch a private broadcast, available only through a special link.
Usage
CameraFi is used to organize a more "quality" stream online. Conduct similar streams using standard tools mobile device not always convenient, even if the smartphone is equipped with a high-quality camera.
With CameraFi, you effortlessly connect to Android device camcorder via USB and you can broadcast. You can download and use the application for free.
The main camera of even flagship smartphones is often not able to compare even with modern budget-class digital cameras, which is not some kind of discovery, because the size of lenses and lenses in smartphones is always almost the same, which cannot be said about ordinary cameras, so the application for android CameraFi - USB Camera / Webcam offers the ability to connect any camera to your device via USB. The only condition for connection is native (that is, system) support for the USB OTG function and the availability of an appropriate cable / adapter.
The free CameraFi - USB Camera / Webcam app provides full support for the resolution of the connected camera, i.e. if you have some kind of camera that shoots 4K video, then even after connecting to a smartphone, this option is still valid. Of course, the application allows you to adjust the resolution and quality of the video or photo, and also records the video and audio stream without any problems. For the normal detection of cameras and cameras, you will have to give some system permissions to the program, while the presence Root rights not required at all. All taken photos or recorded videos can be viewed on the device, while pre-assigning exactly those prefixes in the name of each file that will be to your liking.
The interface of the program is no different from any other program for recording video: standard buttons to start shooting, gallery, switch operating modes and go to settings. Not every camera is initially capable of connecting via USB, so in such cases, nothing more than an adapter a la HDMI - USB and the like will come to the rescue. The program will be useful not so much for entertainment when connecting the same GoPro or something like that, but for connecting, for example, microscopes / endoscopes and other things. There are few settings, all items are intuitive, it is simply impossible to turn on / off something important.
Let's summarize: android application CameraFi - USB Camera / Webcam is one of the utilities that supports working with standard resolutions of connected cameras, while not limiting them as a video or audio stream, and the ability to save the result immediately to the device without any extra actions is a significant plus to and without that chic functionality of the program.
Peculiarities:
Download app to capture video and photo from external USB camera - CameraFi for Android you can follow the link below.
Developer: Vault Micro, Inc.
Platform: Android 4.1 and above
Interface language: Russian (RUS)
Condition: Free (Free)
Root: Not Needed
Most manufacturers of Wi-Fi cameras have their own software for working with video surveillance devices. There are also universal versions of applications from third-party developers. They can be used with equipment from any manufacturer that uses open protocols.
IP Camera Viewer
This application supports many various models wireless cameras. Quantity different devices video surveillance, for which you can change the settings and view the broadcast, exceeds 1800. The main window of the program contains added cameras placed according to the selected principle. You can change the grouping using the "Preview Layout" button in the top menu.
When adding a Wi-Fi camera, you must select its manufacturer and model. The following text field specifies the IP address to access wireless device. If this information is unknown, you can check it in the web interface of the router. The utility supports working with wired and wireless IP cameras, as well as devices connected via USB.
Note! If authorization is required to view the video, enter the information account in the "User name" and "Password" text fields. If you successfully log in, the broadcast will be available in the "Camera Preview" section after clicking the "Test Camera" button.
Xeoma App
This program is small and works without installation on a computer. Among the interesting features can be noted a motion detector with manual indication of the zone in which it will work. Recording is configured in a cyclic mode, indicating the maximum archive storage time. Using Xeoma, you can send notifications about selected events to email. For example, when the Wi-Fi software motion sensor is triggered, the camera will send a photo or a short video.
Important! IN free version The program allows you to view images from only two cameras. The archive of video recordings is stored for no more than 5 days.
Tutorial Video: Wi-Fi Camera Applications
SecurView
The interface of the program developed by TRENDnet has a large number of settings that allow you to optimize the performance of home or office video surveillance. The possibilities depend on the hardware configuration of the used Wi-Fi cameras. SecurView allows you to control devices that support PTZ technology. For devices with feedback also has a broadcast function voice message.
Adding an IP camera is done through the “Camera List” section. To access, you will need to enter the username and password set on the Wi-Fi camera. The interface has the function of simultaneously displaying streaming video from multiple added devices.
– interesting application, in which you can get unique options for connecting a camera through various ports. This will allow you to create new opportunities and solutions that you can get for yourself and your friends. Although the program is not translated into Russian, you can quickly figure it out, because its settings are very simple.
That is why the app has become so popular. The unique features and tools of the application have allowed it to become the most successful in its field. As you can see in the screenshots, simple and clear settings will help you adjust almost all tools. That is why the application turned out to be so useful for you.
We also cancel that the application takes up very little space in random access memory mobile device. This allows her to compete with more well-known Internet browsers. Many users choose this application for everyday use and leaves positive feedback about it. Therefore, you pay attention to it, maybe this program is right for you at the right time.
As a result, it turned out that - an incredible application in which you can get many useful options for connecting the camera to personal computer. That is why the program could be so interesting.
Now there are a huge number of applications for connecting USB cameras. Not all of them are equally convenient and work well. Therefore, I will review a few of the most worthy. 
Before starting, it is important to note that the last android versions and firmware of new webcams make our lives much easier. Developers have learned to negotiate compatibility. As a result, in 80% of cases, to connect a new camera, it is enough to do the following:
Proprietary Webcam Applications
For a wider functionality and use of camera capabilities, it is best to choose applications from camera manufacturers. For example, now there are applications from GoPro and Yi Action Camera. Such applications make it much easier to work with cameras. They also allow you to use Wi-Fi wireless connection.
Camera connection via USB
The most convenient and reliable connection application is
. It now has over a million downloads and is generally a good rating for an app of its kind. In addition, the developers approached the project thoroughly and made a whole site dedicated to it. The site itself is in English, but contains all the explanatory materials on the application and cameras.
Connecting with CameraFI
To work with WEB camera via CameraFI, just connect your camera to your smartphone or tablet and launch the app. In the window that appears, allow the application access to the items that it will ask about. After that, you can already use the camera. At the same time, it should be borne in mind that when setting the resolution in the settings to more than the camera can give out, the image may disappear.
The CameraFi app has four main benefits:
- No need to root the device
Some camera connection apps require Root access, which will void your phone's warranty, and misuse may result in critical errors operating system Android.
- Connecting both wireless and USB cameras
The application works with a wide range of cameras connected via USB OTG cable. It also allows you to connect cameras through other connectors, there is a corresponding adapter.
- Support for a large number of cameras
CameraFI is compatible with a huge variety of cameras from virtually any manufacturer. The application works with action cameras, professional photo and video cameras, WEB cameras and camcorders.
- fast speed
The application supports high data transfer rates. The transfer can be made via wireless network at speeds up to 30 frames per second at FullHD resolution.
- Simple and clear interface
There is also a Russian version. The application itself is constantly updated to support more and more new cameras and recording devices. Latest Versions also work well with quadcopter cameras, medical cameras and built-in action cameras. 
The CameraFi app has both free and paid CameraFi Pro versions.
Problems connecting the camera via USB
The most common connection problem is that the smartphone simply does not see the camera or does not recognize it correctly. App to solve this problem stickmount
. It allows the system to correctly identify the device and connect to it. The application itself requires superuser rights on the smartphone to work correctly.
Stickmount analyzes the connected device and recognizes it as a USB camera. In addition to the camera, the application allows you to work with drives and other devices connected via the USB interface.
usbwebカメラ
Application usbwebカメラ- is another way to connect an external USB camera to a smartphone. It also has free and PRO version. You can download UsbWebカメラ from Google Play store.
The application itself has a simple interface and not as wide functionality as CameraFi, but it has wide compatibility with cameras different manufacturers. The application allows you to take photos and record videos in different resolutions. The camera is fully configurable via smartphone.
To connect an external USB camera via UsbWebカメラ follow the instructions:
- Connect the camera to your smartphone or tablet via an OTG cable.
- Launch the app, go to settings and run connection diagnostics.
- When prompted by the application, disconnect the camera from the smartphone and press OK.
- When prompted by the application, connect the camera to your smartphone and press OK.
- Next, the camera will connect to the application, which will take up to 20 seconds.
- After that, the application will ask you for permission to transfer camera data to the server. Here it is better to choose yes, since it is on the basis of such data that the database of video cameras and methods for connecting to them is formed. All this helps to improve the application.
- After that, you can use the camera. If the application does not detect it, try again.
- In case of connection problems, select the Stock item in the USB Host Diagnostics window.
Other applications in the Google Play Market for working with USB cameras
Now on Google Play market there are over a hundred applications for connecting external cameras via USB to a smartphone or tablet. But, the problem is that there are a huge number of cameras from different manufacturers. They have different matrices, chips and firmware, so the connection procedure can be completely different. Therefore, even best apps with millions of downloads have low ratings due to the fact that someone found a camera from an unknown manufacturer that simply was not recognized. But by using more popular applications, you increase the chance that the camera will work. In addition, modern cameras are better optimized and standardized than models of 10 years ago.
Many applications require Root access on the smartphone to connect the camera via USB, which is not at all necessary for top applications.
Results
In order to connect a USB camera to a smartphone, you need to use special applications. The most common and versatile is CameraFi. It supports work with a large number of cameras, has user-friendly interface and easy to set up. In addition, CameraFi has both a free and paid PRO version.
usbwebカメラ is also a great camera app. It has a simple interface, supports a large number of cameras and is constantly updated. Unlike this application is more difficult to use.
Very often, when connected, the camera is simply not recognized. To solve this problem, it is recommended to use stickmount
, but it requires superuser access, which has subsequent negative effects. 
Most the best option is the acquisition of a Wi-Fi camera manufactured in 2015 and later. These cameras are more standardized software, which makes it easier to connect it to a smartphone and get better quality videos and pictures.
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