I have used App Preview on my phone to test my app without any problems, but I haven't tested it for a while (a month or so) and now it crashes when my second layout is opened.
The only change I've done since my last preview was replacing the images used in my project with new ones.
Also, the project works well on Xperia, while it crashes on my Samsung..
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To figure out what is causing the crash, you can try using USB debug with remote CDT directly with App Preview or build the app and use remote CDT to see what is happening. Links to the various debug options can be found on this page > https://software.intel.com/en-us/xdk/docs/intel-xdk-debug-and-test-overview <
Specifically:
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