Android勉強会/Android study session

"OESPJEษڧձ 5PTIJLJ,PEFSB JO/*$)*#*

ϓϩύςΟ ,PUMJO ೥݄ʹϦϦʔεɺ"OESPJE4UVEJP͔Βඪ४αϙʔτͱͳͬ ͨΦϒδΣΫτࢦ޲ϓϩάϥϛϯάݴޠ +BWBͱͷ׬શޓ׵ੑ͕͋ΔͷͰ"OESPJE4UVEJPͰ͸+BWBͷίʔυ Λ,PUMJOʹม׵͢Δ͜ͱͰ͖Δ ͦͷٯ΋Մೳ +BWBʹ͸ͳ͔ͬͨػೳ͕૿͑ɺશମͷίʔυྔ͕࡟ݮ͞Εͨ ϥϜμࣜ
ίϧʔνϯ ֦ுؔ਺ /VMMηʔϑ εϚʔτΩϟετ γϯάϧτϯ ൣғࣜ ίϯύχΦϯΦϒδΣΫτ σʔλΫϥε

YNM͋Ε͜Ε ఆ਺ͷઃఆ஋Λ·ͱΊͨϑΝΠϧ͕ଟ͘ଘࡏ͢Δ TUSJOHTYNMจࣈྻͷఆٛΛ·ͱΊͨϑΝΠϧ DPMPSTYNM৭ͷఆٛΛ·ͱΊͨϑΝΠϧ TUZMFTYNM෦඼ͷελΠϧͷఆٛΛ·ͱΊͨϑΝΠϧ BUUSTYNMੇ๏ͷఆٛΛ·ͱΊͨϑΝΠϧ BSSBZTYNMܕ෇͖഑ྻͷఆٛΛ·ͱΊͨϑΝΠϧ ্ه͸3FTPVDFTσΟϨΫτϦͷWBMVFTͷதͷྫ͕ͩɺଞʹ΋ը ૾΍Ξχϝʔγϣϯɺ৭ͷঢ়ଶϦετΛ·ͱΊͨσΟϨΫτϦ΋͋ Δ
͜͜·Ͱ͸ϓϩδΣΫτ࡞੒࣌ʹ͢Ͱʹ͋Δ

HSBWJUZMBZPVU@HSBWJUZ MBZPVU@HSBWJUZϨΠΞ΢τͷதͰͷҐஔࢦఆ༻ HSBWJUZ෦඼ͷதʢςΩετͳͲʣͷҐஔࢦఆ༻ -BZPVU DFOUFS MFGU TUBSU UPQ MFGU
TUBSU CPUUPN SJHIU FOE UPQ DFOUFS@IPSJ[POUBM UPQ DFOUFS@IPSJ[POUBM CPUUPN SJHIU FOE CPUUPN SJHIU FOE DFOUFS@WFSUJDBM MFGU TUBSU DFOUFS@WFSUJDBM MBZPVU@HSBWJUZ HSBWJUZ

είʔϓؔ਺ Ҿ਺ʹͱΔؔ਺ͷείʔϓΛมߋ͢ΔͨΊͷؔ਺ MFUXJUISVOBQQMZBMTPͷ̑छྨ͋Δ ྫʣ 5 MFU\JU^ˡΦϓγϣφϧύΠϯσΟϯάʢඇ0QUJPOBM࣌ʣ SVO\^ˡ5ʢϨγʔόʣ͕OVMMͷ࣮࣌ߦ 5 BQQMZBMTP \
5ͷϝιου΍ϓϩύςΟΛ·ͱΊͯઃఆ BQQMZ͸JUলུɺBMTP͸JUඞਢ ^

$POTUSBJOU-BZPVU 9DPEFͷ"VUP-BZPVUͷΑ͏ͳϏδϡΞϧͰ-BZPVUͷதͷ7JFXʹ ੍໿ʢ$POTUSBJOUʣΛ෇͚ΔͨΊͷϨΠΞ΢τ "OESPJEͰ͸༷ʑͳ-BZPVU͕͋Δ͕શͯͷ-BZPVUΛ͜ͷ $POTUSBJOU-BZPVU͚ͩͰ࡞Δ͜ͱ΋Ͱ͖Δ ֤7JFXͷลʹ੍໿Λ͔͚Δ͜ͱͰը໘ͷେ͖͕͞มΘͬͯ΋ਖ਼͍͠ ҐஔΛอͭ͜ͱ͕Ͱ͖Δ ੍໿͸ΠϯεϖΫλͷ$POTUSBJOUT Ͱઃఆ͢Δ

$POTUSBJOU-BZPVU$IBJO4UZMF ۉ౳഑ஔ΋$IBJOTUZMFͰ؆୯ʹͰ͖Δɻਫฏਨ௚ํ޲ઃఆՄ # " $ # " $ # "
$ TQSFBE TQSFBE@JOTJEF QBDLFE

$POTUSBJOU-BZPVU$IBJO4UZMF 7JFXΛ·ͱΊͯதԝʹدͤΔQBDLFEͷઃఆͷ࢓ํͷҰྫ # " $ QBDLFE "MBZPVU@DPOTUSBJOU5PQ@UP5PQ0GlQBSFOU MBZPVU@DPOTUSBJOU#PUUPN@UP5PQ0Gl!JE#z MBZPVU@DPOTUSBJOU4UBSU@UP4UBSU0GlQBSFOUz MBZPVU@DPOTUSBJOU&OE@UP&OE0GQBSFOU
MBZPVU@DPOTUSBJOU7FSUJDBM@DIBJO4UZMFQBDLFE #MBZPVU@DPOTUSBJOU5PQ@UP#PUUPN0Gl!JE" MBZPVU@DPOTUSBJOU#PUUPN@UP5PQ0Gl!JE$ MBZPVU@DPOTUSBJOU4UBSU@UP4UBSU0GlQBSFOU MBZPVU@DPOTUSBJOU&OE@UP&OE0GQBSFOU MBZPVU@DPOTUSBJOU7FSUJDBM@DIBJO4UZMFlQBDLFE $MBZPVU@DPOTUSBJOU5PQ@UP#PUUPN0Gl!JE#l MBZPVU@DPOTUSBJOU#PUUPN@UP#PUUPN0GlQBSFOU MBZPVU@DPOTUSBJOU4UBSU@UP4UBSU0GlQBSFOUz MBZPVU@DPOTUSBJOU&OE@UP&OE0GlQBSFOU -BZPVU@DPOTUSBJOU˚˚@UP˛˛0Gl!JEʓʓz ˚˚˛˛ ࣗ෼૬ख ͷ7JFXͷ੍໿Λ͔͚Δล l!JEʓʓz੍໿Λ͔͚Δ૬ख7JFXͷJE

4IBSFE1SFGFSFODFT σʔλΛσόΠε಺ʹอଘ͢ΔͨΊͷ࢓૊Έɻ9.-ܗࣜͰอଘ͞Ε Δɻ4USJOH*OU'MPBU-POH#PPMFBO4USJOH4FUͷܕͰॻ͖ࠐ Έͱऔಘ͕Ͱ͖Δ ྫ //Πϯελϯεੜ੒ val prefs =
PreferenceManager.getDefaultSharedPreferences(applicationContext) //อଘ prefs.edit() .putString("name","Yamada Tarou") .putInt(“age",20) .putString("sex","man") .putBoolean("isStudent",true) .apply() //औಘ val name: String? = prefs.getString("name",null) val age: Int = prefs.getInt("age",0) val isStudent: Boolean = prefs.getBoolean("isStudent",false) ϝιουνΣʔϯ

4IBSFE1SFGFSFODFT อଘ͞Ε͍ͯΔ৔ॴ͸ɺը໘ӈԼͷ%FWJDF'JMF&YQMPSFSΛ։͖ɺ EBUBEBUB ύοέʔδ໊ TIBSFE@QSFGT ύοέʔδ໊ @QSFGFSFODFTYNM ʹอଘ͞Ε͍ͯΔɻ

Android勉強会/Android study session

Android勉強会/Android study session

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"OESPJEษڧձ 5PTIJLJ,PEFSB JO/$)#*

ϓϩύςΟ ,PUMJO ೥݄ʹϦϦʔεɺ"OESPJE4UVEJP͔Βඪ४αϙʔτͱͳͬ ͨΦϒδΣΫτࢦ޲ϓϩάϥϛϯάݴޠ +BWBͱͷ׬શޓ׵ੑ͕͋ΔͷͰ"OESPJE4UVEJPͰ͸+BWBͷίʔυ Λ,PUMJOʹม׵͢Δ͜ͱͰ͖Δ ͦͷٯ΋Մೳ +BWBʹ͸ͳ͔ͬͨػೳ͕૿͑ɺશମͷίʔυྔ͕࡟ݮ͞Εͨ ϥϜμࣜ

HSBWJUZMBZPVU@HSBWJUZ MBZPVU@HSBWJUZϨΠΞ΢τͷதͰͷҐஔࢦఆ༻ HSBWJUZ෦඼ͷதʢςΩετͳͲʣͷҐஔࢦఆ༻ -BZPVU DFOUFS MFGU TUBSU UPQ MFGU

είʔϓؔ਺ Ҿ਺ʹͱΔؔ਺ͷείʔϓΛมߋ͢ΔͨΊͷؔ਺ MFUXJUISVOBQQMZBMTPͷ̑छྨ͋Δ ྫʣ 5 MFU\JU^ˡΦϓγϣφϧύΠϯσΟϯάʢඇ0QUJPOBM࣌ʣ SVO\^ˡ5ʢϨγʔόʣ͕OVMMͷ࣮࣌ߦ 5 BQQMZBMTP \

$POTUSBJOU-BZPVU$IBJO4UZMF ۉ౳഑ஔ΋$IBJOTUZMFͰ؆୯ʹͰ͖Δɻਫฏਨ௚ํ޲ઃఆՄ # " $ # " $ # "

$POTUSBJOU-BZPVU$IBJO4UZMF 7JFXΛ·ͱΊͯதԝʹدͤΔQBDLFEͷઃఆͷ࢓ํͷҰྫ # " $ QBDLFE "MBZPVU@DPOTUSBJOU5PQ@UP5PQ0GlQBSFOU MBZPVU@DPOTUSBJOU#PUUPN@UP5PQ0Gl!JE#z MBZPVU@DPOTUSBJOU4UBSU@UP4UBSU0GlQBSFOUz MBZPVU@DPOTUSBJOU&OE@UP&OE0GQBSFOU

4IBSFE1SFGFSFODFT σʔλΛσόΠε಺ʹอଘ͢ΔͨΊͷ࢓૊Έɻ9.-ܗࣜͰอଘ͞Ε Δɻ4USJOH*OU'MPBU-POH#PPMFBO4USJOH4FUͷܕͰॻ͖ࠐ Έͱऔಘ͕Ͱ͖Δ ྫ //Πϯελϯεੜ੒ val prefs =

4IBSFE1SFGFSFODFT อଘ͞Ε͍ͯΔ৔ॴ͸ɺը໘ӈԼͷ%FWJDF'JMF&YQMPSFSΛ։͖ɺ EBUBEBUB ύοέʔδ໊ TIBSFE@QSFGT ύοέʔδ໊ @QSFGFSFODFTYNM ʹอଘ͞Ε͍ͯΔɻ