iOSéçºã«ãããé©æ°ã®æœ®æµãããããChatGPT iOS (Objective-C) ããã°ã©ãã³ã°ãã§ããAIãšã¢ãã€ã«ã®èåãããžãã¹ã·ãŒã³ãå€é©ããŠããä»ãiPhoneã¢ããªã«ChatGPTã®èœåãçµã¿èŸŒãç¥èãæ±ããããŠããŸãããã®èšäºã§ã¯ãObjective-Cã䜿çšããŠiOSãã©ãããã©ãŒã äžã§ChatGPTã掻çšããæ¹æ³ããåºç€ããå¿çšãŸã§äžå¯§ã«ã¬ã€ãããŸããXcodeã®èšå®ããAPIé£æºãéåæéä¿¡ãŸã§ãããªãã®ã¢ããªéçºãæåãžå°ãç§èš£ãç¶²çŸ ããŠãŒã¶ãŒæºè¶³åºŠãé«ãããã¶ã€ã³ãšè©Šéšãããã«ãªãªãŒã¹åŸã®æé·æŠç¥ãŸã§ãå¹æçãªããã°ã©ãã³ã°ææ³ã解説ãããžãã¹ã®å¯èœæ§ãåºããiOSã¢ããªéçºãå§ããŠã¿ãŸãããïŒ
1. ChatGPT iOS (Objective-C) ããã°ã©ãã³ã°ãšã¯
ChatGPT iOS (Objective-C) ããã°ã©ãã³ã°ã¯ãOpenAIã«ãã£ãŠéçºãããèªç¶èšèªåŠçã¢ãã«ã§ããChatGPTãiOSãã©ãããã©ãŒã ã«çµ±åããããã®æè¡çãªã¢ãããŒãã§ãããã®ã¢ãããŒãã§ã¯ãAppleã®ãã€ãã£ãããã°ã©ãã³ã°èšèªã§ããObjective-Cã䜿ã£ãŠããã·ã³ã©ãŒãã³ã°ã¢ãã«ãã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³ã«å®è£ ããæ¹æ³ã«çŠç¹ãåœãŠãŸãã
ãŠãŒã¶ãŒãèªç¶èšèªã§äŒè©±ã§ããã¢ããªã±ãŒã·ã§ã³ãäœãããšã¯ããŠãŒã¶ãŒãšã¯ã¹ããªãšã³ã¹ãé«ããã ãã§ãªããappã®æ©èœæ§ãæ¡åŒµããäžã§ãéèŠãªéšåã§ããChatGPTãiOSã¢ããªã±ãŒã·ã§ã³ãšããŠå®çŸããããã«ã¯ãã¢ã«ãŽãªãºã ãUIã®èšèšãããã¯ãšã³ããµãŒããŒã®æ§ç¯ãªã©ãå¹ åºãç¥èãå¿ èŠãšãªããŸãã
ãã®èšäºã§ã¯ãChatGPTãå©çšããããã°ã©ãã³ã°ã®åºæ¬ãããObjective-Cèšèªã®ç¹åŸŽããããŠiOSéçºã®é åã«è³ããŸã§ãäžé£ã®æŠå¿µãæ確ã«ããçŸä»£ã®ã¢ããªéçºè ãçŽé¢ãããã£ã¬ã³ãžãšæ©äŒãæ¢æ±ããŸãã
1.1 ChatGPTã®åºæ¬æŠå¿µ
ChatGPTã¯ã倧éã®ããã¹ãããŒã¿ããèšèªãã¿ãŒã³ãåŠç¿ããæ©æ¢°åŠç¿ã¢ãã«ã§ãããŠãŒã¶ãŒã®è³ªåãå ¥åã«å¯ŸããŠã³ã³ããã¹ãã«å¿ããè¿çãçæããèœåãæã£ãŠããŠãç¹ã«èªç¶èšèªç解ãšå¿ççæã«ãããŠé«ãæ§èœã瀺ããŠããŸãã
ãããiOSã¢ããªã«çµ±åããããšã«ãããéçºè ã¯ã¢ããªã±ãŒã·ã§ã³ã«å¯Ÿè©±åã®ç¹åŸŽãä»äžããããšãã§ãããšã³ããŠãŒã¶ãŒã®ãšã³ã²ãŒãžã¡ã³ããåäžãããããšãå¯èœã§ããChatGPTã¯API圢åŒã§æäŸãããããšãå€ããRESTful APIçµç±ã§ã¢ããªã±ãŒã·ã§ã³ã«çµã¿èŸŒãããšãã§ããŸãã
ããããAPIãå¹æçã«æŽ»çšããããã«ã¯ãéçºè ã¯ãããã¯ãŒã¯ããã°ã©ãã³ã°ãJSONããŒã¿ã®ããŒã¹ãã¿ã¹ã¯éåæå®è¡ãšãã£ãæè¡ã«ç²ŸéããŠããå¿ èŠããããŸãããããã®æè¡ããã¹ã¿ãŒããããšã¯ãiOSããã°ã©ãã³ã°ã«ãããŠéåžžã«éèŠãªã¹ãã«ã»ãããšãªããŸãã
1.2 Objective-Cãšã¯
Objective-Cã¯ãCèšèªãããŒã¹ã«ãªããžã§ã¯ãæåã®æ©èœãæãããããã°ã©ãã³ã°èšèªã§ãé·ããAppleã®iOSãMacçšã®ã¢ããªã±ãŒã·ã§ã³éçºã®æšæºèšèªãšããŠäœ¿çšãããŠããŸãããç¬ç¹ãªæ§æãšåŒ·åãªå®è¡ææ©èœã¯ãã»ãã¥ã¢ãªã³ãŒãã®èšè¿°ãå¯èœã«ããã¢ããªã®æ¡åŒµæ§ãä¿å®æ§ãåäžãããŸãã
Objective-Cã¯åçã¿ã€ãã³ã°ãæ¡çšããŠãããããã¯ã©ã³ã¿ã€ã ã«ãããŠãªããžã§ã¯ãã®åãæè»ã«æ±ãããšãå¯èœã«ããŸããããã«ãããéçºè ã¯ãããã€ãããã¯ãªããã°ã©ãã³ã°ãå¯èœãšãªããChatGPTãšãã£ãå é²çãªæ©èœãåãå ¥ããã¢ããªã±ãŒã·ã§ã³éçºãè¡ããŸãã
ããããSwiftãšããæ°ããããã°ã©ã èšèªã®ç»å Žã«ãããå€ãã®æ°èŠãããžã§ã¯ãã§ã¯Swiftãéžã°ããããšãå¢ããŠããŠããŸãããã®ãããObjective-Cã¯æ¢åã®ã¬ã¬ã·ãŒã³ãŒããäžéšã®éçºè ã®éã§ã®ã¿æ ¹åŒ·ã䜿ããç¶ããŠããŸãããObjective-Cãç解ããããšã¯ãç¹ã«å€ãã³ãŒãããŒã¹ãã¡ã³ããã³ã¹ããããã¢ããããŒãããéã«éèŠã§ãã
1.3 iOSéçºã®é åãšç¹æ§
iOSãã©ãããã©ãŒã ã¯ãåªããã»ãã¥ãªãã£ãçŽæçãªã€ã³ã¿ãŒãã§ãŒã¹ãå¹ åºããŠãŒã¶ãŒããŒã¹ãæããããšã§ç¥ãããŠããŸãããããã¯éçºè ã«ãšã£ãŠå€§ããªé åã§ãããiOSå°çšãŸãã¯ã¯ãã¹ãã©ãããã©ãŒã ã®ã¢ããªã±ãŒã·ã§ã³ãéçºãã倧ããªåæ©ãšãªã£ãŠããŸãã
ãŸããiOSéçºã§ã¯Appleã®å³æ Œãªã¢ããªã¹ãã¢ã¬ã€ãã©ã€ã³ã«åŸãããšãæ±ããããŸããããã¯å質ãšã»ãã¥ãªãã£ã確ä¿ããããã®ãã®ã§ãããäžæ¹ã§éçºè ã«ãšã£ãŠãã£ã¬ã³ãžã§ããããŸããããããããã®å¶çŽã®äžã§é«å質ãªã¢ããªãåµåºããããšã¯ãéçºè èªèº«ã®ã¹ãã«åäžã«ãã€ãªãããŸãã
iOSããã€ã¹ã¯ããã©ãŒãã³ã¹é¢ã§ãåªããŠããã匷åãªããŒããŠã§ã¢ãšå¯æ¥ã«çµ±åããããœãããŠã§ã¢ã®äž¡æ¹ãå©çšããŠãæ»ããã§åå¿æ§ã®é«ããŠãŒã¶ãŒãšã¯ã¹ããªãšã³ã¹ãæäŸããããšãã§ããŸãããŸããã¢ããããŒããå®æçã«æäŸããããããåžžã«ææ°ã®æ©èœãã»ãã¥ãªãã£åŒ·åãçã蟌ãã ã¢ããªã±ãŒã·ã§ã³ãæäŸããããšãã§ããŸãã
1.4 ChatGPTãšiOSããã°ã©ãã³ã°ã®é¢é£æ§
ChatGPTãiOSã¢ããªã±ãŒã·ã§ã³ã«çµã¿èŸŒãããšã§ããŠãŒã¶ãŒã¯èªç¶èšèªã§ã¢ããªãšå¯Ÿè©±ããæ°ããäœéšã享åããããšãã§ããŸããããã¯ããŠãŒã¶ãŒãã¬ã³ããªãŒãªããããã«ã¹ã¿ããŒãµãŒãã¹ã®èªååããããã¯ã€ã³ã¿ã©ã¯ãã£ããªã³ã³ãã³ãã®æäŸãªã©ãããŸããŸãªåœ¢ã§çŸããŸãã
Objective-CãåŠã¶ããšã¯ãæ¢åã®å€ãã®iOSãããžã§ã¯ããšæ°ããChatGPTçµ±åæ©èœã®éã§æ©æž¡ããããã®ã«äžå¯æ¬ ã§ããAPIãªã¯ãšã¹ãã®ç®¡çãå¿çã®åãæ±ãããObjective-Cã®æã€æè»æ§ãšãã¯ãŒã§åŠçããããšãã§ããã®ã§ãã
ããã«ãChatGPTã䜿ã£ãiOSã¢ããªã±ãŒã·ã§ã³éçºã¯ãéçºè ãæã€Objective-Cã®ç¥èã«æ°ããã¬ãã«ã®è€éãããããããŸããéåæéä¿¡ãããŒã¿åŠçããããŠãŠãŒã¶ãŒãšã¯ã¹ããªãšã³ã¹ã®èšèšã¯ãChatGPTãå¹æçã«äœ¿ãããã§éèŠãªã¹ãã«ã»ããã§ããéçºè ã¯ãããã®ã¹ãã«ããã¹ã¿ãŒããããšã§ãã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³ã®æªæ¥ã圢äœãããŠãŒã¶ãŒã«ãšã£ãŠäŸ¡å€ããäœéšãæäŸããããšãã§ããã®ã§ãã
2. éçºç°å¢ã®æ§ç¯
ChatGPTã®æ©èœãiOSãã©ãããã©ãŒã ã§å±éããã«ã¯ãå å®ããéçºç°å¢ã®ã»ããã¢ãããäžå¯æ¬ ã§ããObjective-Cã䜿çšããŠChatGPTã掻çšããã¢ããªã±ãŒã·ã§ã³ãéçºããåã«ããŸãã¯ç°å¢æ§ç¯ããå§ããŸãããã
ããã¯ãã¢ããªã±ãŒã·ã§ã³ã®å質ãç¶æãã¡ã³ããã³ã¹ã®ãããããæçµçãªãŠãŒã¶ãŒãšã¯ã¹ããªãšã³ã¹ã«çŽçµããéèŠãªã¹ãããã§ããé©åãªããŒã«ãšãã¬ãŒã ã¯ãŒã¯ãæã£ãŠããã°ãéçºããã»ã¹ãã¹ã ãŒãºã«é²ã¿ãçç£æ§ã倧ãã«åäžããŸãã
以äžãXcodeãå§ããšããiOSéçºã®ããã®ç°å¢æ§ç¯ã«ã€ããŠè©³ãã解説ããŠãããŸãã®ã§ããã²åèã«ããŠéçºãéå§ããŠãã ããã
2.1 Xcodeã®ã€ã³ã¹ããŒã«ãšèšå®
Xcodeã¯AppleãæäŸããéçºç°å¢ã§ãããiOSã¢ããªã±ãŒã·ã§ã³éçºã«ã¯å¿ é ã®ããŒã«ã§ããMac App Storeããç¡æã§ããŠã³ããŒãå¯èœã§ãããç°¡åã«ã€ã³ã¹ããŒã«ãè¡ãããšãã§ããŸãã
ã€ã³ã¹ããŒã«åŸã¯ãããã€ãã®åºæ¬èšå®ãè¡ãå¿ èŠããããŸããããã«ã¯Appleã®éçºè ã¢ã«ãŠã³ããžã®ãµã€ã³ã€ã³ãã³ãã³ãã©ã€ã³ããŒã«ã®ã€ã³ã¹ããŒã«ããããŠããã€ã¹ãã·ãã¥ã¬ãŒã¿ãŒã§ãã¹ããè¡ãããã®èšå®ãå«ãŸããŸãã
Xcodeã®èšå®ãæŽããããã°ã©ã ãæžãå§ããåã«ãææ°ã®ã¢ããããŒããé©çšãããŠããããšã確èªããŠãã ãããããã«ãããéçºç°å¢ã«ãããå Œå®¹æ§ã®åé¡ãã»ãã¥ãªãã£ã®ãªã¹ã¯ãé¿ããããšãã§ããŸãã
2.2 ChatGPT APIãšã®é£æºæºå
ChatGPT APIãšã®é£æºãèšç»ããéã«ã¯ãAPIã®ããã¥ã¡ã³ããåç §ããããšãèå¿ã§ããããã«ãããAPIã®ãšã³ããã€ã³ãããªã¯ãšã¹ããšã¬ã¹ãã³ã¹ã®ãã©ãŒããããå©çšå¯èœãªæ©èœãç¿åŸããããšãã§ããŸãã
ãŸããAPIããŒãååŸããããã»ã¹ã«ãæ £ããŠããå¿ èŠããããŸãããã®ããŒã¯ãAPIãå®å šã«å©çšããããã«å¿ èŠã§ãéçºè ãAPIãžã®ãªã¯ãšã¹ããèªèšŒããéã«çšããŸãã
APIãšã®é£æºãå§ããåã«ãé©åãªãããã¯ãŒã¯ãªã¯ãšã¹ããè¡ãããã®ã©ã€ãã©ãªããã¬ãŒã ã¯ãŒã¯ãéžå®ããèšå®ããŠãããŸããããiOSã§ã¯ãããšãã°NSURLSessionãAlamofireãªã©ã䜿ããŸãã
2.3 Objective-Cã®åºæ¬çãªææ³
Objective-Cã¯ãiOSéçºã«ãããŠé·ããæšæºçãªèšèªã§ããããã®ææ³ã«ã¯ãä»ã®ããã°ã©ãã³ã°èšèªãšã¯ç°ãªãç¹åŸŽããããŸããäŸãã°ãã¡ãœããã®åŒã³åºãã¯ãã©ã±ãã[]ã䜿çšããã¡ãã»ãŒãžããã·ã³ã°åœ¢åŒã§è¡ãããŸãã
åºæ¬çãªããŒã¿ã¿ã€ããæŒç®åãå¶åŸ¡æ§é ïŒifæãforæãªã©ïŒãç¿åŸããå¿ èŠããããŸãããããã®åºç€ãç解ããããšã§ãããè€éãªã¢ã«ãŽãªãºã ãããŒã¿æ§é ããªããžã§ã¯ãæåã®ç¹æ§ã䜿ã£ãã³ãŒãã£ã³ã°ãå¯èœã«ãªããŸãã
Objective-Cã®ç¹æã®ç¹æ§ãšããŠããã€ã³ã¿ãã¡ã¢ãªç®¡çïŒèªååç §ã«ãŠã³ãããŸãã¯ARCïŒããããã³ã«ãã«ããŽãªãªã©ãæŒãããŠãããŸãããããããã®æŠå¿µããã¹ã¿ãŒãããšãå¹ççãã€å ç¢ãªã¢ããªã±ãŒã·ã§ã³ã®éçºãå¯èœã§ãã
2.4 iOSãããžã§ã¯ãã®äœæãšæ§æ
iOSãããžã§ã¯ããäœæãããšãã¯ãXcodeãéããŠæ°ãããããžã§ã¯ããå§ããããšããã¹ã¿ãŒãããŸããé©åãªãã³ãã¬ãŒããéžæããã¢ããªã±ãŒã·ã§ã³ã®ååãšå¿ èŠãªèšå®ãå ¥åããŸãã
ãããžã§ã¯ãã®èšå®ã«ã¯ãã¢ããªã±ãŒã·ã§ã³ã®ãã³ãã«IDãããŒãžã§ã³æ å ±ããµããŒãããããã€ã¹ã®ãªãªãšã³ããŒã·ã§ã³ãªã©ãå€ãã®èŠçŽ ãå«ãŸããŸãããããã®èšå®ãé©åã«æ§æããããšã¯ãã¢ããªã±ãŒã·ã§ã³ã®ãããã€ã¡ã³ããšã¡ã³ããã³ã¹ã®äžã§éåžžã«éèŠã§ãã
å ããŠãStoryboardãXIBã䜿ã£ãUIã®ã¬ã€ã¢ãŠããAsset Catalogã§ã®ãªãœãŒã¹ç®¡çãåçš®ãã¬ãŒã ã¯ãŒã¯ãã©ã€ãã©ãªã®çµ±åãªã©ããããžã§ã¯ãã®æ§æèŠçŽ ãç解ããé©åã«é 眮ããæè¡ã身ã«ã€ããŸãããã
3. ChatGPTãå©çšããããã°ã©ãã³ã°ææ³
ChatGPTã®ãããªåŒ·åãªèªç¶èšèªåŠçãšã³ãžã³ãiOSã¢ããªã±ãŒã·ã§ã³ã«çµã¿èŸŒãããšã¯ãã¢ããªã®æ©èœãå€§å¹ ã«åäžãããããšãã§ããŸããObjective-Cã䜿ã£ãiOSããã°ã©ãã³ã°ã¯ããã®ç·»å¯ããšå ç¢ãªæ©èœã«ãããéçºè éã§é«ãè©äŸ¡ãããŠããŸããæ¬èšäºã§ã¯ãChatGPTãiOSã¢ããªã«çµ±åããéã®äž»èŠãªããã°ã©ãã³ã°ææ³ã解説ããŠãããŸãã
APIãªã¯ãšã¹ãã®ä»çµã¿ã®ç解ããå§ããéåæéä¿¡ã®å®è£ ããŠãŒã¶ãŒã€ã³ã¿ãŒãã§ãŒã¹ãšã®é£æºæ¹æ³ãããã«ã¯ããã©ãŒãã³ã¹æé©åã®ãã€ã³ããŸã§ãå¹ åºã話é¡ãç¶²çŸ ããŸããçŸä»£ã®éçºè ã«ãšã£ãŠéèŠãªç¥èãæäŸããããšã§ãèªè ã®çæ§ãå¹ççã«é«å質ãªã¢ããªã±ãŒã·ã§ã³ãäœæã§ãããããµããŒãããŸãã
éçºäžã®ã¢ããªã«AIãåãå ¥ããããšèããŠããæ¹ããæ°ããæè¡ãåŠã³ãããšæã£ãŠããæ¹ã«ãšã£ãŠããã®èšäºãäžå©ãšãªãããšãé¡ã£ãŠããŸããããã§ã¯ãChatGPTãšObjective-Cã®èåã«ããããã°ã©ãã³ã°ã®æ ãå§ããŸãããã
3.1 APIãªã¯ãšã¹ãã®ä»çµã¿
ChatGPTãªã©ã®AIé§ååãµãŒãã¹ã掻çšããäžã§ãAPIãªã¯ãšã¹ãã¯äžæ žçãªèŠçŽ ã§ããAPIãžã®ãªã¯ãšã¹ããæ£ç¢ºã«è¡ãããšã§ãã¢ããªã¯ãµãŒãã¹ããæ å ±ãååŸãããŠãŒã¶ãŒã«æçãªæ©èœãæäŸããããšãã§ããŸããObjective-Cã«ãããŠã¯ãNSURLRequestãNSURLSessionãçšããAPIã³ãŒã«ãäžè¬çã§ãã
ãŸãããšã³ããã€ã³ãã®URLãšãªã¯ãšã¹ããã©ã¡ãŒã¿ãæå®ããŠNSURLRequestãªããžã§ã¯ããäœæããŸãã次ã«ãNSURLSessionã¯ã©ã¹ã䜿çšããŠãªã¯ãšã¹ãããµãŒããŒã«éä¿¡ããã¬ã¹ãã³ã¹ãåãåãããã»ã¹ãè¡ããŸãããã®ã¹ãããã«ã¯ããã£ãããšãããšã©ãŒãã³ããªã³ã°ãšã¬ã¹ãã³ã¹ããŒã¿ã®ããŒã¹ãæ±ããããŸãã
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3.2 éåæéä¿¡ã®å®è£
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