I am sorry acctually we decided to refactor both the readers so new features have been put off until we ends their development

Sì, qualcosa del genere può essere un esempio, chiaramente più ci si allontana da ciò che PubCoder consente di fare con oggetti predefiniti, e più occorre codice ad hoc tramite azioni run javascript e smartojbects

.SCRectangle.grad1 {
	height: 10px !important;
	background: rgb(255,255,255) !important;
	background: -moz-linear-gradient(left, rgb(255,255,255) 0%, rgb(252,29,0) 60%, rgb(255,21,0) 100%) !important;
	background: -webkit-gradient(left top, right top, color-stop(0%, rgb(255,255,255)), color-stop(60%, rgb(252,29,0)), color-stop(100%, rgb(255,21,0))) !important;
	background: -o-linear-gradient(left, rgb(255,255,255) 0%, rgb(252,29,0) 60%, rgb(255,21,0) 100%) !important;
	background: -ms-linear-gradient(left, rgb(255,255,255) 0%, rgb(252,29,0) 60%, rgb(255,21,0) 100%) !important;
	background: linear-gradient(to right, rgb(255,255,255) 0%, rgb(252,29,0) 60%, rgb(255,21,0) 100%) !important;
}

La soluzione più semplice che mi viene in mente è quella di sfruttare il visualizzatore di google.
quindi modificare il link al file pdf in questo modo:

http://path/to/pdffile.pdf
in:
https://docs.google.com/viewer?url=http://path/to/pdffile.pdf

Hello,
it is quite strange please try to create a new android workspace based on epub3 workspace so that we are sure they share the same options and object properties.
If still unsolved, share your project in pvt.
Thanks.
Giancarlo.

Hello,
is the one described here ?

When starting the book, the text will highlight and read aloud, but when it turns the page the highlighting of the text stops while the audio continues to play. At the end of the page it will then start again on the same page highlighting the text with the audio. Essentially, it seems it takes Readium a second pass on the page in order to work.

We have been able to narrow the problem down to when the text is tagged with audio. It seems if the tag is put in place before the audio begins this issue happens. It is concerning though that other readers do not encounter this problem such as iBooks.

Hello,
currently there are no such event on video, they are on our to-do list, but still no ETA for them sorry.
Of course you could use a smartobject with your own javascript to listen for video onend event.

It seems your dropbox link is private so we cannot see your screenshot.
About text alignment, the text editor has this feature, so that you can align text in each text box as you want. In addition, if for example you would like to center align all the text in all the text ojbect, you firstly have to select all text objects, then select the corresponding icon

You need to enable it at Page level. Go to the Page panel on the right, look for Read Aloud submenu and check "Enable Read Aloud". PubCoder automatically select the latest smil file created and an audio file.
After that you can preview the Read Aloud as expected.

Ad hoc distribution should be ok. I suggest you to follow this instructions and test your app before publishing.
Consider the apk requires Android 4.4 to work properly, so only devices with at least FireOS 4 will be compliant with your app.
Please let us know the outcomes