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Open Camera is an Open Source Camera app for Android phones and tablets. Features:
(Some features may not be available on all devices, as they may depend on hardware features, or the Android version.)
Open Camera is completely free, however if you wish you can show your appreciation and support future development by purchasing my donation app from Google Play (note, not available for Nokia X). You can also donate through Paypal (Paypal account not required, supports debit or credit card) or Bitcoin (Bitcoin address 1LKCFto9SQGqtcvqZxHkqDPqNjSnfMmsow). Thanks! Donations can be used for: purchasing hardware for porting/testing; app store fees; beer money :)
Open Camera Blog ~ Discussion Forums ~ Code Repository (Git)
This requires Android 4.0 or better. I've tested this successfully on the Samsung Galaxy Nexus and Asus Nexus 7 (2013), running Android 4.3. The auto-stabilise feature may not be available if the app deems there is not enough memory (RAM) available (technical explanation: requires 128MB of "large heap").
Note that I've had reports of problems on CyanogenMod (CM11) - unfortunately I don't have any CM11 devices to test on, and CyanogenMod doesn't appear to offer any means of testing without a real device (e.g., no emulator AVD images, no remote device testing), so I have no way of supporting this.
Simply point, and press the blue camera icon to take a photo. The camera will automatically focus before taking the picture. You can also focus at any time by touching on the screen. If your device supports focus areas, you can touch the part of the screen you want to focus. Touching an area will also (if your device supports it) control the exposure level (e.g., so clicking on a bright area will adjust the exposure so that it becomes less bright). To zoom, use the slider next to the take photo button, or do a multi-touch "pinch" gesture. You can also control via the volume keys on your phone or tablet - by default, pressing them will take a photo, but can change this to zoom in/out from the Settings.
You can press the gallery icon to view your photos (by default saved in the OpenCamera folder) - it will show the most recent image or video. The gallery button's icon will also show a thumbnail for the most recent image/video. Note that there is also an option in the Settings to "Pause after taking photo" - if ticked, then when you take a photo, the image will be displayed - to keep the photo, touch the screen (or take another photo). To delete it, press the trash icon . To share an image, press the share icon .
The screen display is kept on when Open Camera is running as the foreground app (if you want to switch off the display, do so on your device manually).
On-Screen User Interface
A white square is shown (depending on the focus mode), which turns green to indicate that the auto-focus was successful, or red if it was not.
Switch camera - Switches between front and back camera (if your device has two cameras).
Switch to/from video - Switches between taking photo mode, and recording video mode. When in video mode, the take photo icon will change to the record video icon .
Flash mode - Click this to cycle through the available flash modes. Popup text will explain what each mode is. (Only available if the camera supports flash.)
Focus mode - Click this to cycle through the available focus modes. Popup text will explain what each mode is. (Only available if the camera supports different focus modes.) A special mode is "Focus Manual", which means the camera will never refocus when taking a photo, instead you should touch the screen to manually focus.
Exposure compensation - Clicking this will bring up a slider and plus/minus buttons which can be used to control the exposure compensation. A higher value increases the exposure, so that pictures come out brighter in low light; a lower value makes pictures darker. Set to 0 for the default exposure. To get rid of the slider and buttons, either click the Exposure button again, or click elsewhere on the screen. See Exposure compensation. (Only available if the camera supports control of the exposure.)
Exposure lock - Click to lock or unlock the exposure. When locked, the icon will change to . Locking the exposure means the exposure doesn't change based on the brightness of the current scene (though you can still adjust the exposure compensation).
Gallery - Click to launch the Gallery app, to view the most recent photo/video (by default saved in the OpenCamera folder). If you get the message "No Gallery app available", then you should install a Gallery app (e.g., Gallery ICS). If you've changed the save location, you can "long press" on the Gallery icon, which will let you switch between the recent save locations.
Settings - Click to open the Settings. (If your phone/tablet has a hardware menu button, pressing that should also open the settings.)
The on-screen display also shows the remaining battery left (green/red status bar in the corner), and optionally the zoom level (if zoomed in), the remaining free storage space on the device, and the current angle orientation of the camera. If "Store location data" is enabled (off by default), then a small "earth" icon will appear next to the battery indicator when the location is available (you can still take photos when the earth icon doesn't show, it's just that location data won't be stored in the photo). A dot shows to the top-right of the earth icon to indicate the accuracy (green for accurate, yellow for less accurate). If the location isn't available, a red dash will be shown through the earth icon.
All Android cameras will rotate the photo depending on the orientation of the camera, but only to the nearest 90 degrees - so the photos look right whether you hold the device in "portrait" or "landscape" mode. But Open Camera has the option to rotate the photos so they are perfectly level, so your shots come out looking perfectly level every time!
The above shows a rather exaggerated example - in practice, you can probably take better photos, but this feature ensures they come out perfectly level, without you having to edit them afterwards in a photo editor. Of course you won't always want this - perhaps you're going for artistic 45-degree shots - so this is an option. By default it is disabled. To enable, go to the Settings, and enable "Auto-stabilise". Note that this feature is memory intensive - it will not be available on devices with low memory. Even where it is available, the performance of taking photos will be slower, and there is a risk it may cause the app to fail on devices I haven't been able to test. If you do have problems, you'll have to disable the feature again.
Also note that the feature reduces the available space in the image - because rotating an image makes it no longer fit into a rectangular image, so we have to crop it. So it's still advisable to try to hold the camera reasonably level when using this feature.
Apply a color effect - Choose a color effect to apply. (Only available if the camera supports color effects.)
Apply a scene mode - Choose a scene mode to apply. (Only available if the camera supports scene modes.)
Set the white balance - Choose a method to control how the white balance is set. See here for an explanation of white balance. (Only available if the camera supports different white balance settings.)
Set the ISO - A higher ISO setting means the camera is more sensitive to light, though may also result in more noise. This mimics the film speed on traditional film cameras. Note that this setting may not be supported on all cameras. See here for more details on ISO.
Auto-stabilise - Enable the auto-stabilise features for photos (see above). (Only available if the device has enough memory.)
Lock photo/video orientation - Normally the orientation of the photo/video will be rotated by some multiple of 90 degree such that the orientation looks right - e.g. if your device is held in portrait, the resultant image/video will be in portrait. This option allows fixing the camera to either be in portrait or landscape. Note that if auto-stabilise is also enabled, it will have the effect of aligning photos to the nearest 90 degrees.
Face detection - If this is enabled, then the camera will automatically try to detect faces, and use them for the focus, metering (exposure) and white balance. Faces will be drawn as yellow squares when detected. Note that if this option is enabled, then you will not be able to touch to manually select the focus area, and the white balance option will have no effect (since the face recognition will be used to determine these).
Timer - Set a timer for taking photos or recording video.
Timer beep - Whether to beep when the timer is counting down, or for the burst mode delay (see below).
Burst mode - Take a repeated set of photos when the camera button is pressed.
Burst mode interval - Specify the delay (if any) between photos in burst mode. Note that if no delay is selected, the actual speed that the photos are taken at will depend on the performance of your device's camera. If a delay is selected, note that this does not include the time taken to auto-focus and take each photo.
More camera controls... - Select to access the following controls:
Pause after taking photo - If ticked, after taking a photo the display will pause, with options to share or delete the photo. To keep the photo and continue, touch the screen (or take another photo).
Shutter sound - Whether to play a sound after taking a photo. (Requires Android 4.2 or higher to disable.)
Volume keys - You can set what happens when the volume keys are pressed: either take photo/video, focus, zoom in/out, change the exposure compensation, switch auto-stabilise on/off, just change the device's volume as normal, or do nothing.
Save location - Select the folder to store the photos in. Click on a folder (or "Parent Folder") to navigate through the filesystem. Select "New Folder" to create a new folder in the currently displayed folder. Select "Use Folder" to choose the currently displayed folder. Note that on Android, there are some folders that cannot be written to - Open Camera will display a message if you try to use one of these folders. You can also use this option to save to an external SD card, though unfortunately the path varies depending on the device, so you'll have to look this up or find it out yourself - it's usually one of the folders inside /mnt/. Also note that Google have blocked write access to external SD cards in Android 4.4. Once you have specified a new save location, you can long press on the Gallery icon to quickly switch between recent save locations.
Show camera when locked - If you have a lock screen on your device (e.g., PIN to unlock), Open Camera by default will show above the lock screen - i.e., if locked, you won't have to enter the PIN to use Open Camera. The device still needs to be unlocked in order to go to the Settings or Gallery. If you would prefer Open Camera to always be unavailable when your device is locked, you can disable this option.
Lock screen when recording video - if enabled, the GUI will be locked when recording video (i.e., the GUI won't respond to touch presses). You can use this to prevent accidental presses that might change settings or stop recording. To unlock the GUI, swipe the screen (in any direction). Note that this won't prevent the video being stopped if you press your device's Home, Recent Apps or Power button (it is not possible for apps to override the behaviour of these buttons).
On screen GUI... - Select to access the following controls:
Preview size - By default, Open Camera matches the aspect ratio of the preview (the image that is displayed on the phone/tablet's display) with that of the photo resolution ("Match photo size (WYSIWYG)" mode). The advantage is that what you see in the preview will match what will be in the resultant photo ("What-You-See-Is-What-You-Get") - though this may mean you will have "black bars" on the display in order to do this. If instead you select "Maximise preview size", then the camera preview will be as large as possible, trying to fill the available space. However if the resolution of the photo is a different aspect ratio to that of your device, this will result in the preview being cropped. (Note that when in video mode, the preview is always in WYSIWYG mode.)
UI placement - Whether to optimise the user interface for left-handed or right-handed use.
Show zoom - Whether to display the current zoom level of the camera (when zoomed in).
Show zoom -/+ controls - Whether to display -/+ buttons to control zoom.
Show zoom slider controls - Whether to display to a slider to control zoom.
Show free memory - Whether to display the remaining storage space of the device.
Show angle - Whether to display the orientation angle of the device's camera.
Show angle line - Whether to display a horizontal "level" line that visually indicates the orientation of the device.
Show compass direction - Whether to display the compass direction of the device's camera.
Show a grid - Whether to display one of a choice of grids on the camera preview (including 3x3 grid, which helps with applying the rule of thirds).
Show thumbnail animation - Whether to display the moving thumbnail animation when taking a photo.
Force maximum brightness - Whether to force the screen display to maximum brightness.
Photo and Video Settings:
Photo and video settings - Select to access the following controls:
Camera resolution - Select the resolution of photo images taken by the camera. Note that if auto-stabilise is enabled, images will in general come out as a slightly lower resolution (due to the rotation and cropping that's required).
Image quality - The image quality of saved JPEG images. Higher means better quality, but the image files will take up more storage space.
Store location data (Geotagging) - If selected, then photos will be tagged with the current location, and compass direction (note that if Open Camera is called via another app, the compass direction won't be saved - this is only supported when Open Camera is run as a standalone app). Location data will also be stored in videos (though only for devices that record in MPEG4 or 3GPP formats).
Video resolution - Select the resolution of videos taken by the camera.
Force 4K UHD video (experimental) - Enable recording in 4K UHD (3840x2160) on the back camera (if ticked, this overrides the setting in "Video resolution"). Note that 4K video isn't fully supported by the standard Android API yet, so there is no way for Open Camera to determine if your device supports 4K video. If you enable this on a device that doesn't support it, you may either get an error message when you try to record, or it may succeed but create a video where the resolution isn't 4K, or may even result in a crash! So please test this out first. I've tested this successfully on a Samsung Galaxy S5 and Note 3. (If this option doesn't show up at all, it's because Open Camera thinks this is a device that probably doesn't support 4K video - if your device does support 4K video, please let me know so I can fix this.) Also note that on some devices, 4K resolutions may show up in the list of available video resolutions anyway.
Enable video stabilization - Video stabilization reduces the shaking due to the motion of the camera in both the preview and in recorded videos.
Video bitrate (approx) - If set to a value other than "default", the default video bitrate is overridden. Higher values mean better quality video, but the files take up more disk space. Note that some values may be unsupported by your device, and may cause the recording to fail - in some cases, this can cause problems with the camera that require a reboot to fix. So please test before using. Also note that the bitrate setting is approximate - the resultant video file will typically be slightly different to that requested.
Video frame rate (approx) - If set to a value other than "default", the camera will try to match this frame rate. Note that this is very approximate, as frame rate depends on many factors such as your device and lighting conditions, so there is no guarantee that the resultant video's frame rate will match with the requested value. Also note that some frame rate values may be unsupported by your device, and cause the recording to fail, so please test before using.
Max duration of video - This option can be used to set a maximum duration of the video. If set, video recording will stop after the specified time (unless already stopped earlier).
Restart video after max duration - If a max duration has been set (see above), this option can be used to make the video automatically stop and restart the specified number of times. So this can be used to take a video for a long period, broken up into multiple video files. If a max duration has not been set, then this option has no effect.
Record audio - Whether to record audio when recording a video.
Audio source - Select the audio source for recording video. The effect of this depends on your device - if it supports an external microphone, you may be able to use this by selecting "External mic".
Flash while recording video - If enabled, the camera flash will flash every second while recording video. This isn't something most people will need, but it can be useful if the phone is being operated remotely, as a signal that the video is still recording.
Online help - Load this web page.
Donate to support development - Loads the page for my donation app.
About - Provides various debug information about the app and your device's camera. You can also copy this information to the clipboard.
Contacting me (bugs etc)
Please contact me at mark dot harman at ntlworld dot com for bug reports, feature suggestions, etc. I can only test Open Camera on a small number of devices, so if you are having problems, these may be issues that I am unaware of, so reporting bugs will help me improve Open Camera!
If you experience a crash, and Google offers to "Report", please do so (if you've installed via F-Droid, please see here). If you are reporting a bug, it is also helpful to email me the "About" information - please go to Settings/About, then click "Copy to clipboard", then you can paste the information into an email (or Google Keep, or wherever) to send to me.
Open Camera is written by Mark Harman. Additional credits:
Open Camera is released under the GPL v3 or later. The source code is available from https://sourceforge.net/projects/opencamera/files/. The file exposure.png is also dual licensed under GPL v3 or later, and CC BY 4.0 or later (attribute to Mark Harman and please link to http://opencamera.sourceforge.net/ ).
The following third party files are used in Open Camera:
Open Camera on Sourceforge.
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