Android changes

[psiniemi]

To run on older android devices, I needed to remove references to Byte.toUnsignedInt and newer javas also don't ship with javax.xml anymore, so I also removed javax.xml.bind.DatatypeConverter which was only used for bytes -> hex conversion and replaced with a HexUtil class that can do the conversion both ways.

[mob41]

Thanks for the modification. Would it be better to change the static import directly as import com.github.mob41.blapi.HexUtil and use HexUtil.byte2hex? Or is it specially used?

[mob41]

Your pull request has a build error, which is caused by invalid maven pom.xml configuration: https://travis-ci.org/mob41/broadlink-java-api/builds/570753996

Removing the changes or fixing the invalid characters can help. Btw, what is the source configuration is for?

[flo-02-mu]

Is there any chance of getting this PR included? The ability to use the library with java 11 would be super nice. I added a PR onto the PR to fix the pom-file (https://github.com/psiniemi/broadlink-java-api/pulls) but no feedback so far.

[mob41]

Unless author accepts your PR or makes changes to his code, I couldn’t merge two branches together cause it could break changes.

[psiniemi]

Sorry, completely forgot about this and somehow missed the notifications until now. Will look into the comments this weekend.

[codecov]

Codecov Report

Merging #23 into master will not change coverage.
The diff coverage is 0%.

@@          Coverage Diff          @@
##           master    #23   +/-   ##
=====================================
  Coverage       0%     0%           
=====================================
  Files          42     43    +1     
  Lines        1013   1024   +11     
  Branches      107     92   -15     
=====================================
- Misses       1013   1024   +11

Impacted Files	Coverage Δ
...rc/main/java/com/github/mob41/blapi/SP2Device.java	0% <0%> (ø)	⬆️
src/main/java/com/github/mob41/blapi/A1Device.java	0% <0%> (ø)	⬆️
...ub/mob41/blapi/pkt/cmd/hysen/BaseHysenCommand.java	0% <0%> (ø)	⬆️
src/main/java/com/github/mob41/blapi/HexUtil.java	0% <0%> (ø)
...rc/main/java/com/github/mob41/blapi/SP1Device.java	0% <0%> (ø)	⬆️
src/main/java/com/github/mob41/blapi/BLDevice.java	0% <0%> (ø)	⬆️
...rc/main/java/com/github/mob41/blapi/MP1Device.java	0% <0%> (ø)	⬆️
...rc/main/java/com/github/mob41/blapi/RM2Device.java	0% <0%> (ø)	⬆️
.../github/mob41/blapi/dev/hysen/BaseHysenDevice.java	0% <0%> (ø)	⬆️
...ain/java/com/github/mob41/blapi/pkt/CmdPacket.java	0% <0%> (ø)	⬆️
... and 5 more

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[psiniemi]

Hi, static imports are pretty much a question of taste. The only downside I see is that if there are a lot of them, it can make following the code quite confusing. I like to use them as it makes the code shorter and as long as the name of the function name says what it does, I find it easier to follow. But since it appears our tastes differ, I removed the static import.