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React-nativeの紹介
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裕美 吉田
July 02, 2016
Technology
1
1.8k
React-nativeの紹介
React-nativeの紹介。yidel 第24回勉強会で発表
裕美 吉田
July 02, 2016
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Transcript
3FBDUOBUJWF ͷհ ٢ా༟ඒ
ࣗݾհ
٢ా༟ඒ :PTIJEB:VVNJ ༗ݶձࣾ&:0⒏DF IUUQXXXFZP⒏DFDPN #MPHIUUQZVVNJIBUFOBCMPHDPN 5XJUUFS!ZVVNJ 3
աڈ େֶͷֶ෦ଔۀ ଔۀݚڀͰ-JTQॲཧܥʹؔΘΔ ࠐܥͷձࣾʹब৬ $"%ͷϕϯνϟʔاۀʹస৬ $"%ͷίΞ෦ͷ։ൃ γϦίϯόϨʔΛ๚ͨ͠ΓɺถࠃਓͱࣄΛ ܦݧ 4
̌ੈل͕ऴΘΔͷͰಠཱ ΧϦϑΥϧχΞͷ੨͍ۭΛΈͨ ͋·ΓձࣾʹೃછΊͳ͍ਓͩͬͨ ωοτͷ࣌ʹͳͬͨ 5 IUUQCMPHMFYVFTDPKQIUNM͔Β
&:0⒏DF ʹಠཱ ։ൃ 8FC 3VCZPO3BJMT J1IPOF ڭҭ ͓٬༷ͷΛղܾ͢Δ*5ڭҭ 3VCZPO3BJMT
J04 6 3FBDUKT
&:0⒏DF։ൃ 8FC 7 w ΞδΞϦʔάΞΠεϗοέʔ wIUUQXXXBMIPDLZKQ wνʔϜɾબखͷूܭ w1FSMಠࣗϑϨʔϜϫʔΫ wΞϩϋύʔΫ wIUUQQBSLBMPIB
TUSFFUDPN w4/4 w+BWB4FBTBS wωοτγϣοϓ wIUUQXXXCPSPDPKQ w3BJMTK2VFSZ w34QFD$VDVNCFS w๖͑τʔΫ ༏ͱ4LZQF Ͱ͓ wIUUQXXXNPFUBMLKQ w༏ͱͷձ༧༧ w3BJMTK2VFSZ w34QFD3FRVFTU
&:0⒏DF։ൃ J1IPOF 8 ֆຊΞϓϦ J1IPOFJ1BE 5XFFUͳ͏ ແྉ ڭ͑ࢠ͕࡞ͬͨΞϓϦ ϦϦʔε͞Εͳ͔ͬ ͨ"ࣾΞϓϦ
ࣥච 9
ߨԋ 10 RubyKaigi2008 Ruby World Conference 2013 Ruby Business Users
Conference 2014, 2015
࠷ۙͷࣄ 11 ສߦͷK2VFSZϕʔεͷ41"Λ 3FBDUKTҠߦ IUUQZVVNJIBUFOBCMPHDPNFOUSZ
3FBDUOBUJWF
3FBDU/BUJWF +4 3FBDUͰεϚϑΥΞϓϦΛߏங ͢ΔͨΊͷϑϨʔϜϫʔΫ J04 "OESPJEʜରԠ σόΠε (14 Χϝϥʜ ར༻Ͱ͖Δ
IUNMͷເΑ͏Ұʁ 13
14 3FBDU/BUJWF ίʔυɿIUUQTHJUIVCDPNZVVNJSFBDU@KZBOLFO CSBODISFBDUOBUJWF σϞ
ͦ͏͍͏ͷੲ͋ͬͨΑͶ 5JUBOJVN 1IPOF(BQ $PSEPWB ʜ 15
ੲͱԿ͕ҧ͏ͷʁ 3FBDUKT 3FBDUOBUJWFͷ3FBDU3FBDUKT ͷ3FBDU 16
3FBDUKTͱ
·ͣ41" ࠷ۙͷ8FCαΠτ 4JOHMF1BHF"QQMJDBUJPO
ݹ͖ྑ͖8FCΞϓϦ 19 controller model view HTML (css, image) request HTML
Server Browser
"KBYγϯϓϧ 20 controller model view HTML (css, image) request HTML
Server Browser JS request HTML
"KBYෳࡶ 21 controller model view HTML (css, image) request HTML
Server Browser JS request HTML state, data
41" 22 controller model request Server Browser JS controller model
view HTML css, image JSON iOS / Android request JSON $MJFOUTJEF.7$ͱݺΕΔࣄ͋Δ
23 ຖͷΑ͏ʹ৽͍͠ϥΠϒϥϦʔɾ ϑϨʔϜ͕ొ͍ͯͨ͠ 41"ϥΠϒϥϦʔɾϑϨʔϜϫʔΫ
3FBDUKT 24 ͔͠͠ɺ41"ϥΠϒϥϦʔɾϑϨʔ ϜϫʔΫͷউऀ͕ܾ·Γ·ͨ͠
3FBDUKT 3FBDUJTBHBNFDIBOHJOHJOOPWBUJPO
&:0⒏DF 3FBDUKT γϯϓϧͳϓϩάϥϛϯάϞσϧͱੑೳ Λཱ྆ ϝϯςφϯεੑ͕ߴ͍ίʔυ͕ॻ͚Δ 'BDFCPPL͕࣮ࡍʹ͍ͬͯΔ࣮ 26
&:0⒏DF 3FBDUKT γϯϓϧͳϓϩάϥϛϯάϞσϧͱੑೳΛཱ྆ 27 override func viewDidLoad() { super.viewDidLoad() self.instance
= XXXX1 ͍Ζ͍Ζઃఆ } @IBAction func pushButton(sender: AnyObject) { self.instance = XXXX2 ඞཁͳॴΛॻ͖͑Δ } ը໘ͷঢ়ଶΛॳظԽ ը໘શମΛදࣔ Ұ෦Λ࠶දࣔ ը໘ͷঢ়ଶΛมߋ Button J04 K2VFSZʜ Πϕϯτ
&:0⒏DF 3FBDUKT γϯϓϧͳϓϩάϥϛϯάϞσϧͱੑೳΛཱ྆ 28 class Top extends Component { constructor(props)
{ super(props) this.state = { . . . } } render() { <શը໘දࣔ༻ίʔυ> } onClick(event) { this.stat.xxx = {XXXX} } } ը໘ͷঢ়ଶΛॳظԽ ը໘શମΛදࣔ ࣗಈతʹҰ෦ͷΈ Λ࠶දࣔ ը໘ͷঢ়ଶΛมߋ Button 3FBDUKT Πϕϯτ
&:0⒏DF 3FBDUKT 7JSUVBM%0. 3FBDUKTͷද͕ࣔߴԽͰ͖Δٕज़ ϝϞϦʔ্ʹͷมߋલޙͷ%0.Λ࣋ͪɺ มߋ͕͋ͬͨ෦Λݕग़͠ɺຊʹมߋ͕ ඞཁͳ෦ͷΈΛը໘ʹө͢Δ 29
3FBDUKT ίϯϙʔωϯτ $PNQPOFOUΛܧঝͨ͠Ϋϥε ϑϧػೳ ؔ දࣔͷΈͷίϯϙʔωϯτ 30
3FBDUKT 31 IUUQUFSPQBJOGPCMPHDIBOHFBOEJUTEFUFDUJPOJOKBWBTDSJQUGSBNFXPSLTIUNM ΑΓ 7JSUVBM%0. ϒϥβʔ ը໘ +4 ϝϞϦʔ
&:0⒏DF 3FBDUKT ϝϯςφϯεੑ͕ߴ͍ίʔυ͕ॻ͚Δ ίϯϙʔωϯτࢦ +4ͷதʹ)5.-Λॻ͘+49Λ࠾༻ 32
3FBDUKT 33
34 3FBDUKT ??
Ͱɺ+BWB4DSJQUͬͯ͋ ͷμα͍ݴޠͰ͠ΐ͏ ͋ͳͨɺݱࡏͷ+BWB4DSJQUΛͬ ͍ͯ·͔͢ʁ 35
&4 &4
&4 &4 +BWB4DSJQUͷ৽͍༷͠ &$."4DSJQU ͷ ൛ ैདྷ&4ͱݺΕ͍ͯͨͷ ͪͳΈʹݱࡏͷ+4&4 Ϋϥεʑͷ৽͍͠จ๏͕ಋೖ͞Εॻ͖ ͕͢͞େ෯ʹ্ͨ͠
&4 &4 ࠷༷͕ۙ֬ఆ 37
38 &4 &4 var PI = 3.141592 function square(x) {
return x * x; } function tax(n, rate) { if (rate == undefined) rate = 0.08; return Math.floor(n * rate); } const PI = 3.141592 square = (x) => x * x tax = (n, rate = 0.08) => Math.floor(n * rate) &4 &4
39 &4 &4 Jyanken = (function() { function Jyanken(hand) {
this.hand = hand; } jyanken.prototype.poi = function() { return this.hand = Math.floor(Math.random() * 3); }; jyanken.prototype.judge = function(your) { if (this.hand === your.hand) { return "Ҿ͖͚"; } else if ( ..লུ.. ) { return "উͪ"; } else { return "ෛ͚"; } }; return Jyanken; })(); class Jyanken { constructor(hand) { this.hand = hand } poi() { this.hand = Math.floor(Math.random() * 3) } judge(your) { if (this.hand === your.hand) { return "Ҿ͖͚" } else if ( ..লུ.. ) { return "উͪ" } else { return "ෛ͚" } } } &4 &4
&4 &4 ݱ࣌Ͱϒϥβʔͷαϙʔτશ Ͱͳ͍ ಛʹεϚϑΥͷϒϥβʔμϝ ݱࡏ&4͔Β&4ʹม͢Δπʔϧ ද#BCFM Ͱม͠ར༻͞Ε͍ͯΔ 40
IUUQTLBOHBYHJUIVCJPDPNQBUUBCMFFTΑΓ
41 &4 &4 +BWB4DSJQU"MUFSOBUJWFT $P⒎F4DSJQU ͏Ε·͠ΐ͏ 5ZQF4DSJQU ܕ͕͖ 4XJGU ͳํ͍·͠ΐ͏
7JTVBM4UVEJP 8FC4UPSN #BCFMͳ Ͳ͕ରԠ
3FBDUKT
43 3FBDU/BUJWF ίʔυɿIUUQTHJUIVCDPNZVVNJSFBDU@KZBOLFO CSBODISFBDUOBUJWF ίʔυ
3FBDUKTϕετϓϥΫςΟε 44 ίϯϙʔωϯτ ίϯϙʔωϯτࢠ ίϯϙʔωϯτଙ σʔλ QSPQT Πϕϯτ TUBUF
&:0⒏DF 3FBDUOBUJWFKT ใݯ IUUQTGBDFCPPLHJUIVCJPSFBDUOBUJWF 45
͓·͚ɺ&MFDUSPO ϚϧνϓϥοτϑΥʔϜͷ(6*ΞϓϦΛ ࡞ΔͨΊͷϑϨʔϜϫʔΫ 8JOEPXT .BD -JOVY /PEFKT $ISPNJVNϕʔε ͱͱ"UPNΤσΟλʔͷҰ෦ͩͬͨ ࣮ࡍʹΘΕ͍ͯΔ
46
47 &MFDUSPO
3FBDUKTྑ͍Αʂ 3FBDUOBUJWF༻్͕߹͑ͬ ͯΔͱྑ͍ͷͰ 48 ·ͱΊ ίʔυɿIUUQTHJUIVCDPNZVVNJSFBDU@KZBOLFO
͓Βͤ &:0⒏DF3FBDUKTͷڭҭ Λ։࢝͠·ͨ͠ɻ 49