Merge branch '1608-master-update_1.52' into 'master'

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<p>I've also had reports of RAW/DNG images being saved with red/blue swapped. See

<a href="https://sourceforge.net/p/opencamera/tickets/422/">here</a> for details.</p>

<h3>Lenovo Vibe S1</h3>

<p>A special prize goes to this device - several people have told me they can't even install Open Camera (Google Play

        gives error 504) on at least some versions of this device. This appears to be due to a pre-installed app "Stereo Verify"

        that clashes with Open Camera's package name (net.sourceforge.opencamera), which prevents installation of Open Camera.

        Also see

        <a href="http://forum.xda-developers.com/vibe-p1/help/stereo-verify-t3454811">here</a> for further discussion.</p>

<h3>Nokia</h3>

<p>I've tested Open Camera with the Nokia 8. Everything seems to work as far as I can tell, including Camera2 API with full

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    <li>

        <b>ISO (top row)</b> - (Not supported on all devices.) 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. Select "AUTO" to switch back to

        automatic ISO mode. See

        <a href="http://digital-photography-school.com/iso-settings">here</a> for more details on ISO.

        automatic ISO mode.

        If Camera2 API is used, then selecting a non-auto ISO will bring up sliders allowing direct control over the ISO and exposure

        time (in place of the exposure compensation slider). You can also select "M" to switch straight to manual mode, keeping to the

        current ISO value.

        <b>Exposure compensation (slider)</b> - A higher value increases the exposure, so that pictures come out brighter in low light; a

        lower value makes pictures darker. One unit of EV changes the brightness of the captured image by a factor of two. +1 EV

        doubles the image brightness, while -1 EV halves the image brightness. Set to 0 for the default exposure.

        See <a href="http://en.wikipedia.org/wiki/Exposure_compensation">Exposure compensation</a>.

        See <a href="https://en.wikipedia.org/wiki/Exposure_compensation">Exposure compensation</a>.

        (Only available if the camera supports control of the exposure.)

    </li>

    <li>

            <li><b>X-Bokeh:</b> Blurs the background of photos. This is typically intended when taking portraits of people.</li>

            <li><b>X-Bty:</b> Face retouch or "beauty", applies cosmetic effects to people's faces.</li>

        </ul>

        Note many features are unavailable when using an extension mode, including flash, zoom and manual controls.

        Note many features may be unavailable when using an extension mode, including flash, zoom and manual controls.

    </li>

</ul></li>

<li><b>Auto-level</b> - Enable the auto-level feature for photos (see

interval between each repeated photo can be set under Settings/"Repeat mode interval".</li>

<li><b>Grid</b> - Whether to display one of a choice of grids on the camera preview. Also available

under Settings/Camera preview/"Show a grid".</li>

<li><b>White balance</b> - Choose a method to control how the white balance is set. See

<a href="http://digital-photography-school.com/introduction-to-white-balance">here</a> for an

explanation of white balance. (Only available if the camera supports different white balance

<li><b>White balance</b> - Choose a method to control how the white balance is set.

(Only available if the camera supports different white balance

settings.) If Camera2 API is enabled, then you can also set "manual". In this mode, manual

control over the white balance temperature is available from the exposure compensation icon

<img src="ic_exposure_white_48dp.png" alt="Exposure Compensation icon" width="32" height="32">.</li>

<p><b>Apply a scene mode</b> - Choose a scene mode to apply. (Only available if the camera supports scene modes.)</p>

<p><b>Set the white balance</b> - Choose a method to control how the white balance is set. See

<a href="http://digital-photography-school.com/introduction-to-white-balance">here</a> for an explanation of white balance. (Only

<p><b>Set the white balance</b> - Choose a method to control how the white balance is set. (Only

available if the camera supports different white balance settings.)</p>-->

<!--<p><b>Set the exposure compensation</b> - A higher value increases the exposure,

(Only available if the camera supports control of the exposure.)</p>-->

<!--<p><b>Set the ISO</b> - 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 <a href="http://digital-photography-school.com/iso-settings">here</a> for more details on ISO.</p>

noise. This mimics the film speed on traditional film cameras. Note that this setting may not be supported on all cameras.</p>

<p><b>Auto-level</b> - Enable the auto-level features for photos (see <a href="#auto_stabilise">above</a>). (Only available

if the device has enough memory.)</p>-->

<p><b>More camera controls...</b> - Select to access the following controls:</p>

<p><b>Touch to capture</b> - This option allows you to take a photo either just by touching or double-tapping on the

preview screen. Note that starting/stopping video recording is still performed in the normal way; this option only

affects taking photos.</p>

<p><b>Touch to capture</b> - This option allows you to take a photo, or start and stop video recording,

    just by either touching or double-tapping on the preview screen.</p>

<p><b>Pause after taking photo</b> - If ticked, after taking a photo the display will pause, with options to share

<img src="share.png" alt="Share icon" width="32" height="32"> or delete

<p><b>Show a grid</b> - Whether to display one of a choice of grids on the camera preview. Grids are useful in photography to help

    compose your image. Options are:</p>

<ul>

    <li>3x3 - helps with applying the <a href="http://en.wikipedia.org/wiki/Rule_of_thirds">rule of thirds</a>.</li>

    <li>3x3 - helps with applying the <a href="https://en.wikipedia.org/wiki/Rule_of_thirds">rule of thirds</a>.</li>

    <li>Phi 3x3 - 3x3 grid with ratios 1:0.618:1.</li>

    <li>4x2</li>

    <li>Crosshair</li>

    <li>Golden - displays a <a href="http://en.wikipedia.org/wiki/Golden_spiral">Golden spiral</a> (or technically,

    <li>Golden - displays a <a href="https://en.wikipedia.org/wiki/Golden_spiral">Golden spiral</a> (or technically,

        a Fibonacci spiral). You can use this to improve your photography.</li>

    <li>Golden Triangles</li>

    <li>Diagonals</li>

of the folders in there - note that confusingly it won't be "sdcard", but will be named something else,

e.g., "extSdCard".</li>

<li><b>Android 4.4</b> - Unfortunately it is not possible for 3rd party apps to write to external SD cards.

<b>This is not a bug or missing feature in Open Camera</b>, rather that

<a href="http://www.androidpolice.com/2014/02/17/external-blues-google-has-brought-big-changes-to-sd-cards-in-kitkat-and-even-samsung-may-be-implementing-them/">Google

have blocked write access to external SD cards in Android 4.4</a>.</li>

<b>This is not a bug or missing feature in Open Camera</b>, rather that access to external SD cards was

blocked in Android 4.4, and new methods to access them did not appear until Android 5.</li>

<li><b>Android 5.0 onwards</b> - The restrictions on SD cards introduced in Android 4.4 still apply, however

instead you can enable Settings/More camera controls/"Storage Access Framework", and this should allow you

to save to external SD cards. If when choosing a folder, you only see "Recent", you may need to click on the

device isn't calibrated.) It's off by default, but you may have accidentally switched it on. To turn off, go to the "popup" menu

and untick Auto-level.</p>

<p><b>Why doesn't Open Camera support dual / multiple cameras?</b> - Open Camera supports switching between all cameras

that are made available to third party applications. Usually this means front and back cameras, but some devices have

multiple front and/or back-facing cameras. Use the

<img src="baseline_add_a_photo_white_48.png" alt="Switch multi-camera icon" width="16" height="16">switch multi-camera icon

to switch between multiple front or back cameras. Note that some devices do not expose the multiple cameras explicitly,

but instead will automatically switch cameras as required when zooming in or out. In some cases the extra cameras aren't

made available to third party applications, so it isn't possible for Open Camera to support them.</p>

<p><b>Why doesn't Open Camera support dual / multiple cameras?</b> - Open Camera supports cameras

    that are made available to third party applications, although you may need to set Settings/"Camera API"

    to "Camera2 API". When using Camera2 API. many devices expose multiple cameras via the zoom - zooming out to less

    than 1x switches to the ultra-wide camera, zooming in automatically switches to the telephoto when

    required. On other devices, the cameras can be manually switched by using the

    <img src="baseline_add_a_photo_white_48.png" alt="Switch multi-camera icon" width="16" height="16">switch multi-camera icon.

    Note that some devices don't allow third party applications to use their extra cameras, either

    via zoom or by explicitly switching to the camera. In such cases Open Camera cannot access them.</p>

<p><b>But another third party camera app can access the extra cameras on my device, why can't Open Camera?</b> -

    On some devices, it may be possible to access the camera by ignoring what the device claims, and trying to

    access the camera IDs anyway. This is a hack - on other devices, this will lead to buggy behaviour where

    cameras are exposed that hang or otherwise don't work. The problem here is that the device does not

    support exposing the cameras to third party camera applications via the Android camera API.</p>

<p><b>But can't you use the hacky method to access the extra cameras anyway?</b> - Put it this way:

    you paid hundreds of pounds for a device from a large company with lots of resources, but you

    want the free application to do the extra work to workaround the device's limitation, even when it's a hacky

    method? Sometimes I do implement workarounds for device limitations - but it is risky to do so here.</p>

<p><b>Why doesn't Open Camera support the maximum video resolution on my device?</b> - If you

are using Camera2 API, make sure that you're not in slow motion mode (see "Speed" under

can paste the information into your web browser, email or whatever.</p>

<p>For more general questions or things like feature suggestions, please use the

<a href="http://sourceforge.net/p/opencamera/discussion/">forums</a>.

<a href="https://sourceforge.net/p/opencamera/discussion/">forums</a>.

For some enquiries you may prefer to use email.

Please contact me at <a href="mailto:mark.harman.apps@gmail.com?subject=Open%20Camera">mark.harman.apps@gmail.com</a>.

    <!-- if I change my email, remember also to update the contact for privacy policy

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<pre>

Version 1.52 (2023/08/13)

FIXED   Crash related to multi-camera devices.

FIXED   Possible crash when failing to save with Storage Access Framework.

FIXED   Jittery zoom when using multitouch pinch but pinching slowly.

FIXED   Don't show zebra stripes, focus peaking or histogram, when displaying resultant photo for

        "Pause after taking photo" option.

FIXED   Problem where clicking on gallery icon would sometimes go to a "base" image instead of HDR

        image, when saving HDR photos with base images (for Android 10+).

FIXED   Collapse notification panel when launching from a quick settings tile.

FIXED   Some info toasts weren't showing (e.g., when cancelling SAF dialog, or denying location

        permission).

FIXED   Problem where if setting Video Picture Profiles to non-default value caused camera to fail

        to open, the Video Picture Profiles setting would no longer show to be able to set back to

        default.

FIXED   Allow trying to switch between photo and video mode if camera fails to open (in some case

        the failure may be specific to the mode).

FIXED   Aspect ratio and other fixes in split-screen and multi-window modes.

FIXED   Problem on some tablets where zoom seekbar showed under navigation bar in landscape

        orientation in some circumstances.

ADDED   Support for zoom with camera vendor extensions (for supported Android 13+ devices).

ADDED   Support for displaying on-screen ISO and exposure time with camera vendor extensions (for

        supported Android 13+ devices).

UPDATED Made pinch zoom more sensitive (better support for modern devices with higher zoom levels).

UPDATED "Touch to capture" option now supports starting and stopping video.

UPDATED Applied a timeout of 2 second for focusing with original camera API.

UPDATED Improved performance for NR photo mode.

UPDATED Drop support for notifications for background saving, due to Android 13 permissions faff.

UPDATED No longer allow a screenshot of the camera preview to show in "recent apps" view (for

        Android 13+).

UPDATED No longer cancel panorama when moving device orientation too far in wrong direction.

UPDATED Made more text scale according to user's font size preference.

Version 1.51.1 (2023/01/02)

FIXED   Fix crashes for Camera2 API.

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<a href="http://sourceforge.net/p/opencamera/blog/">Open Camera Blog</a> ~

<a href="http://sourceforge.net/p/opencamera/discussion/">Discussion Forums</a> ~

<a href="https://sourceforge.net/p/opencamera/blog/">Open Camera Blog</a> ~

<a href="https://sourceforge.net/p/opencamera/discussion/">Discussion Forums</a> ~

<a href="https://sourceforge.net/p/opencamera/code/">Code Repository (Git)</a>

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<!-- also linked from other pages on this site, and Google Play store listing -->

<!-- we also say Terms of Service due to the Google unwanted software policy -->

<p>Open Camera is released under the <a href="http://www.gnu.org/copyleft/gpl.html">GPL v3 or later</a>. The source code is

<p>Open Camera is released under the <a href="https://www.gnu.org/licenses/gpl-3.0.html">GPL v3 or later</a>. The source code is

available from

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<a href="https://sourceforge.net/projects/opencamera/files/">https://sourceforge.net/&#8203;projects/opencamera/files/</a> .

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