Александр Белокрылов, Александр Мироненко. java embedded у...
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Copyright © 2012, Oracle and/or its affiliates. All rights reserved. 1
Java Embedded у вас дома
Александр Белокрылов @gigabel
Александр Мироненко
Copyright © 2012, Oracle and/or its affiliates. All rights reserved. 4
Автоматизация производства
Source: Rockwell Automation
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Телеметрия
Source: http://www.flickr.com/photos/9979792@N04/2984873350/
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Вендинг машины
Source: http://www.flickr.com/photos/61360523@N04/7183848790/
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Удаленный контроль пациентов
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Умный дом
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Растет количество устройств Объем данных растет, как следствие
1990
Единицы подключены к сети
2010
12 миллиардов устройств
подключены к Internet
2025
1 триллион Internet-
connected
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Решение = Java!
IoT
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А почему Java?
Price
Java
Speed
Quality
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...а мне какая польза?
Tooling+
CrossPlatform+
Security
Connectivity
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Java Embedded
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Java Embedded
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Java Embedded
Java SE
Embedded
•32Mb RAM
•45Mb ROM
Java ME
Embedded
•192Kb RAM
•1Mb ROM
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Готовое решение Java ME 3.3 – 3.4
Друзья Java ME Embedded
=
Java и малиновый десерт Raspberry Pi
http://elinux.org/File:Raspi-Model-AB-Mono-2-699x1024.png
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А это не перебор?
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Возможно, только очень дешевый
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GPIO access
http://www.raspberrypi-spy.co.uk/wp-content/uploads/2012/09/Raspberry-Pi-GPIO-Layout-Revision-2.png
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Демо
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Java ME Embedded 8 - революция
Assertion
Generics
For-each loop
Autoboxing
Enum
Varargs
Static import
Try with resources
и так далее ...
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Жертвы революции
No reflection
No serialization
No InvokeDynamic/Lambda expressions
No JNI and application native code
No User-defined class loaders
No concurrency utilities
Limited Math APIs (No BigDecimals)
Limited security APIs
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Footprint Features
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Java ME 8 Platform
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Здорово! И что ЭТО работает?
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А, давайте посмотрим?
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UART
I2C
Relay GPIO
GSM/GPRS modem
Thermo sensor
"Валера"
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Отправь CMC на короткий номер и узнаешь что будет
пошли текст «On» на номер +7 (917) 917 42 26
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"Бамбук"
Java SE 8 + JavaFX
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Demo
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Случай из жизни.
I2C
HDMI
Java ME Embedded 3.3
Java SE 8 + JavaFX
ds1621
GPIO
UART
Copyright © 2012, Oracle and/or its affiliates. All rights reserved. 41
The preceding is intended to outline our general product direction. It is intended
for information purposes only, and may not be incorporated into any contract.
It is not a commitment to deliver any material, code, or functionality, and should
not be relied upon in making purchasing decisions. The development, release,
and timing of any features or functionality described for Oracle’s products
remains at the sole discretion of Oracle.
Copyright © 2012, Oracle and/or its affiliates. All rights reserved. 42
Q/A
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Useful Links
Oracle Java ME Embedded
– http://www.oracle.com/technetwork/java/embedded/overview/javame/index.
html
Java ME SDK
– http://www.oracle.com/technetwork/java/javame/javamobile/overview/getst
arted/index.html
Qualcomm IoE Development Platform
– https://developer.qualcomm.com/mobile-development/development-
devices-boards/development-boards/internet-of-everything-development-
platform
Copyright © 2012, Oracle and/or its affiliates. All rights reserved. 44
Как нас найти?
Александр Белокрылов, Programs and community manager @ Oracle
– alexander.belokrylov@oracle.com
– @gigabel
Александр Мироненко, Java ME Embedded developer @ Oracle
– alexander.mironenko@oracle.com
Chalkboard Electronics Touchscreen
10" or 7" Form Factor
Connects via HDMI/USB
Tested with JavaFX 8
10% Exclusive Discount:
G1F0U796Z083
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