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2017. 8. 28. 10:52

Linux์—์„œ MQTT Broker, Mosquitto ์„ค์น˜

MQTT๋ฅผ ์ฒ˜์Œ ์‚ฌ์šฉํ•ด๋ณด๋ ค ํ•˜์‹œ๋‚˜์š”? ๊ทธ๋ ‡๋‹ค๋ฉด, ๋จผ์ € ์•„๋ž˜์˜ ๊ธ€์„ ์ฝ์–ด๋ณด์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค. MQTT ํ”„๋กœํ† ์ฝœ ๊ฐœ๋…๊ณผ ์ดํ•ด ์ง€๋‚œ ํฌ์ŠคํŠธ์—์„œ MQTT์— ๋Œ€ํ•œ ๊ฐœ๋…๊ณผ ๊ฐ„๋‹จํ•œ ํŠน์ง•์„ ์†Œ๊ฐœํ•ด ๋“œ๋ ธ์Šต๋‹ˆ๋‹ค. ์ด์ œ ์šฐ๋ฆฌ๋Š” MQTT Broker๋ฅผ ์„ค์น˜ํ•ด์„œ, ์ด๋ฅผ ๊ตฌ๋™ํ•ด๋ณด๊ณ  ์„œ๋น„์Šค๋ฅผ ํ•ด๋ณด๋ ค ํ•ฉ๋‹ˆ๋‹ค. MQTT Broker์—๋Š” ์—ฌ๋Ÿฌ๊ฐ€์ง€๊ฐ€ ์กด์žฌํ•˜์ง€๋งŒ, ๊ทธ ์ค‘์—์„œ๋„ ๊ฐ€์žฅ ๋ณดํŽธ์ ์ด๊ณ  ๋ฌด๋‚œํ•œ mosquitto๋ฅผ ์„ค์น˜ํ•ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. Mosquitto ์„ค์น˜ ๋ฆฌ๋ˆ…์Šค์—์„œ Mosquitto๋ฅผ ์‚ฌ์šฉํ•˜๋ ค๋ฉด ๋ฆฌ๋ˆ…์Šค์˜ ๋ ˆํฌ์ง€ํ„ฐ๋ฆฌ์— ์žˆ๋Š” Mosquitto ํŒจํ‚ค์ง€๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ํŒจํ‚ค์ง€๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์‰ฝ๊ฒŒ ์„ค์น˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. $ sudo apt install mosquitto ํ„ฐ๋ฏธ๋„์„ ์‹คํ–‰ํ•˜์—ฌ ์œ„ ๋ช…๋ น์–ด๋ฅผ ํƒ€์ดํ•‘ํ•ฉ๋‹ˆ๋‹ค. $ sudo systemctl ..

2017. 8. 26. 15:57

MQTT ํ”„๋กœํ† ์ฝœ ๊ฐœ๋…๊ณผ ์ดํ•ด

์•ˆ๋…•ํ•˜์„ธ์š”. ์š”์ฆ˜ ์กธ์—… ์ค€๋น„๊ฐ€ ํ•œ์ฐฝ์ด์–ด์„œ, (ํ•‘๊ณ„์ง€๋งŒ.. ใ…œใ…œ) ๋ธ”๋กœ๊ทธ์— ๊ธ€์„ ์ž์ฃผ ๋ชป์“ฐ๊ฒŒ ๋˜๋Š”๊ตฐ์š”. MQTT ํ”„๋กœํ† ์ฝœ์— ๋Œ€ํ•œ ๊ธ€์„ ์ž‘์„ฑํ•ด๋ณด๋ ค ํ•ฉ๋‹ˆ๋‹ค. MQTT๋Š” ์ œ๊ฐ€ ํ˜„์žฌ ์กธ์—… ์ž‘ํ’ˆ์—์„œ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š” ํ†ต์‹  ํ”„๋กœํ† ์ฝœ์ธ๋ฐ์š”. ์ฒ˜์Œ์—๋Š” XMPP ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฉ”์‹œ์ง€๋ฅผ ๊ตํ™˜ํ•˜๋ ค๊ณ  ํ•˜์˜€์œผ๋‚˜, ๊ต์ˆ˜๋‹˜์˜ ์กฐ์–ธ์œผ๋กœ MQTT ๋ฅผ ์‚ฌ์šฉํ•˜๊ฒŒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. MQTT๋Š” ๋ฌด์—‡์ผ๊นŒ, XMPP๋ž‘ ์ฐจ์ด๋Š”?์ œ ๋ธ”๋กœ๊ทธ ํฌ์ŠคํŠธ์—์„œ XMPP ๊ด€๋ จ ํฌ์ŠคํŠธ๋ฅผ ๋ณด์‹  ๋ถ„์ด์‹œ๋ผ๋ฉด, ์ด ๊ธ€๋„ ๋ฐ˜๋“œ์‹œ ์ฐธ๊ณ ํ•ด๋ณด์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค. ๊ณผ๊ฑฐ ์ œ๊ฐ€ ์ฑ„ํŒ… ์„œ๋น„์Šค๋ฅผ ๊ตฌํ˜„ํ•˜๊ธฐ ์œ„ํ•ด XMPP ํ”„๋กœํ† ์ฝœ์„ ์‚ฌ์šฉํ•œ ์ ์ด ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค. XMPP๋Š” ์˜ˆ์ „ Google Talk ๊ณผ Facebook Messenger ์—์„œ ์‚ฌ์šฉํ•œ ์ฑ„ํŒ… ํ”„๋กœํ† ์ฝœ๋กœ ํ˜„์žฌ๋Š” Hangouts ์„œ๋น„์Šค๋Š” XMPP์™€ ํ˜ธํ™˜..

2017. 8. 2. 12:16

[GP] Android CustomView๋ฅผ ๋งŒ๋“ค์–ด๋ณด์ž

์ด ๊ธ€์€ ์ €์˜ Github Page์˜ ๋‚ด์šฉ ์ค‘ ์ผ๋ถ€๋ฅผ ๋‹ด์•„์˜จ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋ฒŒ์จ 8์›”์ด ์‹œ์ž‘๋๋„ค์š”. ์˜ฌํ•ด ์žฅ๋งˆ๋Š” ๋ฌด์ฒ™ ๊ธธ์—ˆ๋˜ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ์˜ค๋Š˜์€ ์•ˆ๋“œ๋กœ์ด๋“œ์˜ CustomView๋ฅผ ์ œ์ž‘ํ•˜๋Š” ๊ฐ„๋‹จํ•œ ๋ฐฉ๋ฒ•์„ ์ ์–ด๋ณด๊ณ ์ž ํ•ฉ๋‹ˆ๋‹ค. ์ €๋Š” ์‚ฌ์‹ค ๋””์ž์ธ์— ๋งŽ์ด ์•ฝํ•ฉ๋‹ˆ๋‹ค. ์ œ๊ฐ€ ํ˜„์žฌ ๋งก๊ณ  ์žˆ๋Š” ์กธ์—… ์ž‘ํ’ˆ์—์„œ๋„ ํด๋ผ์ด์–ธํŠธ๋กœ ์•ˆ๋“œ๋กœ์ด๋“œ ์•ฑ ๊ฐœ๋ฐœ์„ ๋‹ด๋‹นํ•˜๊ณ  ์žˆ์ง€๋งŒ, ์•ฑ ๋””์ž์ธ์— ์ฝ”๋“œ๋ฅผ ์—ฌ๋Ÿฌ ๋ฒˆ ๋œฏ์–ด๊ณ ์ณค์Šต๋‹ˆ๋‹ค. ์ฒ˜์Œ์—๋Š” ๊ทธ๋‹ค์ง€ ๋””์ž์ธ์— ๋งŽ์ด ์‹ ๊ฒฝ๋„ ์“ฐ์ง€ ์•Š์•˜๊ณ , Android, android-support, material design์—์„œ ๊ธฐ๋ณธ์ ์œผ๋กœ ์ œ๊ณตํ•ด์ฃผ๋Š” View, Widget์„ ๊ฐ€์ ธ๋‹ค๊ฐ€ ์“ฐ๋Š” ๊ฒƒ์ด ์ „๋ถ€์ด๊ณ , ๊ทธ ์ด์ƒ์€ ์ƒ๊ฐํ•˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ ์ œ๊ฐ€ ๋ณด๊ธฐ์—๋„ ์ œ๊ฐ€ ๋งŒ๋“  ์•ฑ์˜ ๋””์ž์ธ์ด ์ •๋ง ์ดˆ๋ผํ•˜๊ฒŒ ๋Š๊ปด์ง‘๋‹ˆ๋‹ค. ์•ฑ์˜ ํ’ˆ์งˆ..