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Pitch black page...
#11
I'm still using 1.3.8, so I will update today and see if it makes a difference. Thanks!
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#12
I'm very sorry to bring back this thread, but sadly today the black page made its appearance again.. Now on 1.4.2..
Am I really the only one experiencing this? I really want to use the quality render mode, but I've started using only the speed rendering mode for performances, as I've yet to see the black page in this mode. I still use quality rendering when practicing however, ie when the black page appeared today. Any further information you could need in order to solve this? It's really giving me nightmares.. And it happens so rarely I still haven't found any single way to reproduce it..
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#13
If you were just turning through pages at a normal rate and one didn't render, and it was an individual song, I have absolutely no idea why you would be seeing a page that never renders. I haven't had that happen on any of my tablets with individual songs, and I use the app every day on my HP Slate 21. Just to clarify - you didn't do anything like use the page slider, use a pedal, hit a corner with a tap action, pinch zoom or tap with two fingers, did you? I'm just trying to think of possible actions that would have caused the pages to re-render, and potentially create a scenario for a problem. Even if you did do any of those things, I'm still not sure how the page could be stuck like that, but at least I would have things I could look into.
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#14
This time I didn't use a pedal (however, I have also seen the black page when using the pedals). No corner action is enabled. Turned using a single finger. Tried tapping the black page with two fingers, no effect. Tried entering annotation mode, wrote a few random lines on the still black page. Saved it, it now displayed as a black page with some lines on it. Tried pinch zooming, which forced the page to reload - displayed ok now. Turning the tablet to landscape mode also makes the page render correctly, i.e. anything which forces the page to reload solves the problem.

As far as I can recall, I believe I have always used the page slider when seeing this (though I'm not 100% sure of this).
One thing I noticed while trying to reproduce the problem today: If I select page 23 (for instance) on the page slider, page 23 starts loading for the fraction of a second, but before the page is displayed, the page slider jumps to page 24 or 25 by itself, and this page is loaded instead. This typically happens the first time I use the page slider after loading a song, subsequent page jumps seem to work as expected. May this somehow be connected to the problem?
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#15
Are you tapping on the page slider, or pressing down, sliding it, and then releasing it?
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#16
I'm tapping it, usually to go to an approximate page.
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#17
It's possible that's generating multiple touch events, causing the slider to first jump to one spot, then slide over to another. It's usually much more accurate to press and slide then release. If you always use the page slider this way, I would recommend disabling the page preview feature as that could potentially be related to the issues you are seeing.
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#18
Aaaaaaahh!!! Black page again, and both my theories were knocked to the ground! I turned the pages calmly from the start this time, one page at a time, and didn't as much as touch the page slider. Page 5: Black. And this time, I had the render preference set to speed, which I have hitherto believed to be a fail-proof solution. I'm completely at a loss about what to do, and what's causing this seemingly completely random appearance of black pages. I have invested so much time in scanning my entire library and transitioning into the world of digital music, I really don't want to go back - but as it is, I feel I have no choice but to pick up my paper music again. I'm so scared of this happening in the middle of a recital... Usually I can view thousands of pages between each time a black page appears, but then sometimes I get two or three occurrences within just a few days..

As it seems I am the only seeing these problems, could it have anything to do with the way my pdf's are optimized? I have scanned and optimized almost my entire library with the same settings, using Adobe Acrobat 8. Maybe I could send you one of my files, if that could help with the debugging?

And, as a temporary solution - would it be possible to add a new selectable corner action, to "force reload page"? IF the black page should appear during a performance for example, it would be a lifesaver to be able to reload the page this way, instead of having to fiddle with pinch zooming or turning the tablet sideways and back again, which would take way too much time in such a situation..
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#19
I am also using a Samsung Note Pro (P900) but I've never seen this problem. If I had, I would be like you and extremely worried about a failure during performance.

I'm wondering if it is related to the OS - you are on 5, while I am still running 4.4.2?  I know it might seem a bit of a long shot, but I would first try uninstalling/reinstalling MSP and if that doesn't work, rolling back to the earlier OS might.
Graeme

1: Samsung 12.2" SM-P900: Android 5.0.2 
2: eSTAR GRAND HD Quad-Core 4G 10.2": Android 5.1 
3: Home-built BT pedal

Some of my music here
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#20
I highly doubt it's related to the OS version because my Nexus 10 is running 5.0.2 and I've never seen this problem (except when using Setlists as described in my earlier posts). I'm going to have to think on this for awhile to see if I can come up with a solution that ensures a page can never end up in the state that you describe. My current framework, in theory, should never allow that, so without a way to reproduce the problem, I have no idea how it's getting in that state. In the meantime, one solution you can use is to set one of the corners to the touch action "Toggle Night Mode". If you tap that corner twice, it will cause the re-render to occur.

Thanks for your patience on this issue - it would be a heck of a lot easier to fix if it happened more regularly (or at all in my case). If you can send me a file you've been using, that would be great. Perhaps if I just open and page through that file enough times I'll see the problem...

Mike
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