Mobileread
Librera Book Reader for Android and e-ink readers
#1  foobnix 04-11-2018, 10:13 AM
I am the author and creator of Librera Reader for Android

The application supports most of the popular book formats PDF, EPUB, EPUB3, MOBI, DJVU, FB2, FB2.ZIP, TXT, RTF, AZW, AZW3, HTML, XPS, CBZ, CBR, TIFF and OPDS Catalgos

show attachment »

Some of Librera Reader main features include:

✓ Easy document discovery with optional and configurable lists:
● Auto-Scan (with user selected folders)
● Browse (with an in-app file explorer)
● Recent (with a progress percentage bar)
✓ Support for bookmarks, annotations, and quick-jump contents
✓ Individually configurable Day and Night modes
✓ Support for many popular translators and offline dictionaries
✓ Vertical scrolling lock
✓ Auto-centering of documents
✓ Single page view of dual paged documents
✓ Music mode with configurable scrolling speed
✓ Voice reading capability (via TTS Engine or "text to speech")
✓ Fast and easy document searching
✓​ ​Word search in multiple documents
✓ Online document format conversion
✓ Opening of files directly from archives (.zip)
✓ ​Right​ ​to​ ​left​ language support ​(Thai,​ ​Hebrew,​ ​Arabic, etc.)
✓ Continue reading from where you left off
✓ Online Catalogs (OPDS), search and download books
✓ Much, much more.....

Librera is optimized for e-ink devices on Android 4.0+
* Special Ink theme
* Configure Brightness and Contrast
* Make text more bold
* Double page mode

Here is small demonstration on Onyx max2 device
https://www.mobileread.com/forums/sh...d.php?t=294390

Web http://librera.mobi/
Download .apk beta.librera.mobi
Google Play https://play.google.com/store/apps/details?id=com.foobnix.pdf.reader


If you have any questions or ideas please write.
I will be very grateful for the feedback
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#2  Randy11 04-11-2018, 11:20 AM
In the thread 'Onyx Boox Max2 Issues", I've tested a beta version (Beta-7.8.38-c523). This version introduce a percentage to crop the pages usable in '2 pages' mode, you can see this tests here : https://www.mobileread.com/forums/sh...&postcount=403

A big improvement of the stable version - Librera-7.8.34-c517-arm.apk.

The last beta version (https://www.mobileread.com/forums/sh...&postcount=402) could modify all top, bottom, left, right percentage.
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#3  Adoby 04-11-2018, 11:59 AM
I use Librera on my eInk Boyue LikeBook Plus. I'm very pleased with it. I use it mainly for epub books.

What I like most is that the app almost completely "disappears" from the display and just let you focus on reading the book.

Three suggestions:

I sometimes seem to double tap and advance two pages. And have to go back. Breaks the focus. Perhaps some form of delay/debounce between the first few taps in a sequence of taps?

I would like to be able to disable pinch to zoom and drag. Sometimes I move or zoom the display unintentionally. Breaks the focus to fix it.

Support for automatically grouping/browsing books based on calibre hierarchical genres/tags would have been great! As far as I know there is no eReader app that does that directly. And calibre is very popular on this forum.

https://manual.calibre-ebook.com/sub_groups.html
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#4  foobnix 04-12-2018, 04:18 AM
Adoby,
>Breaks the focus. Perhaps some form of delay/debounce between the first few taps in a sequence of taps?
I am using default Android tap detector, double tap should not be a problem, maybe something else, like change orientation, or other settings affect on it

>I would like to be able to disable pinch to zoom and drag. Sometimes I move or zoom the display unintentionally. Breaks the focus to fix it.
Is it lock mode (right bottom icon of lock) did not help you?

>Support for automatically grouping/browsing books based on calibre hierarchical genres/tags would have been great!
Could you please send some books (maybe with other meta files) sample with Calibre genres/tags

At this moment app supports Calibre metadata.opf (should be in the same folder as book file)
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#5  Adoby 04-12-2018, 04:30 AM
Quote foobnix
>I would like to be able to disable pinch to zoom and drag. Sometimes I move or zoom the display unintentionally. Breaks the focus to fix it.
Is it lock mode (right bottom icon of lock) did not help you?
Not sure what the lock is intended for. I can move/zoom the screen with it on or off. (Latest Librera Pro from Google Play.)

Quote
>Support for automatically grouping/browsing books based on calibre hierarchical genres/tags would have been great!
Could you please send some books (maybe with other meta files) sample with Calibre genres/tags

At this moment app supports Calibre metadata.opf for the PDF books
Will do. I'll tag some small PD epub books. You'll get them later today.
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#6  Adoby 04-12-2018, 08:47 AM
Here are some epub books with hierarchical subgroups. In this case I followed the example in the calibre manual here:

https://manual.calibre-ebook.com/sub_groups.html

A user defined column, Genre/#genre, created in calibre is used in this case.

show attachment »

In books.zip, attached to this posts, are the books with opf:s.

(The books are all from the MobileRead library, polished to reduce size and embed metadata.)
[zip] books.zip (6.58 MB, 135 views)
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#7  foobnix 04-12-2018, 10:33 AM
Adoby,
1) I can disable move with two finger for e-ink devices, does it help you?
2) You can configure double tap to Nothing action (please see screenshot)
3)I have added to latest beta demo support of calibre user genres (but without hierarchy) Please check is it good for your or not

Ivan
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#8  foobnix 04-12-2018, 10:37 AM
Screenshots
Screenshot from 2018-04-12 17-32-09.png Screenshot from 2018-04-12 17-28-53.png 
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#9  Adoby 04-12-2018, 11:39 AM
Quote foobnix
Adoby,
1) I can disable move with two finger for e-ink devices, does it help you?
2) You can configure double tap to Nothing action (please see screenshot)
3)I have added to latest beta demo support of calibre user genres (but without hierarchy) Please check is it good for your or not

Ivan
Thanks!

1. Yes, it would. But shouldn't the "lock" do that?

2. I'll try it.

The LikeBook Plus is my first eInk device with a touch screen. When reading I tap almost without thinking, perhaps the slower display update compared to normal tablets cause me to tap twice or even drag and move sometimes. A lock for zoom/dragging would be nice.

3. Sounds great. Will hopefully make it easier to browse/search a large collection of books even without the hierarchical view.
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#10  foobnix 04-13-2018, 05:36 AM
Adoby,
>1. Yes, it would. But shouldn't the "lock" do that?
yes, In lock mode for e-ink devices will be not possible to zoom and move with two fingers
>3. Sounds great
Beta 42 is available
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