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Flutter Lifecycle

slime-a777
October 17, 2018

Flutter Lifecycle

slime-a777

October 17, 2018
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  1. 'MVUUFSͷMJGFDZDMF
    'MVUUFS.FFUVQ5PLZP
    [email protected]

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  2. ࣗݾ঺հ
    w ௕ඌಯ࢙ [email protected]

    w /55ςΫϊΫϩεॴଐ
    w ओʹ"OESPJEΤϯδχΞ

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  3. 'MVUUFSͷMJGFDZDMF

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  4. ֬ೝํ๏
    class _MyHomePageState extends State with
    WidgetsBindingObserver {
    @override
    void didChangeAppLifecycleState(AppLifecycleState state) {
    print('*** state = ${state.toString()}');
    }
    @override
    void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
    }
    @override
    void dispose() {
    super.dispose();
    WidgetsBinding.instance.removeObserver(this);
    }

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  5. MJGFDZDMFͷύλʔϯ
    w JOBDUJWF
    w ΞϓϦ͕ඇΞΫςΟϒͰ͋ΓɺϢʔβͷೖྗΛड͚෇͚ͳ͍ঢ়ଶ
    w ΞϓϦΛόοΫάϥ΢ϯυʹҠߦͨ͠Γɺి࿩ʹԠ౴ͨ͠ΓɺΞ
    ϓϦΛ੾Γସ͑ͨΓ͍ͯ͠Δ్தஈ֊ʹ͓͍ͯ͜ͷঢ়ଶʹҠߦ͢
    Δ
    w "OESPJEͷMJGFDZDMFʹ͸JOBDUJWFʹ֘౰͢Δঢ়ଶ͸ͳ͍
    w QBVTFE
    w ΞϓϦέʔγϣϯͷҰ࣌ఀࢭঢ়ଶɻϢʔβͷೖྗʹԠ౴ͤͣɺόο
    Ϋάϥ΢ϯυͰ࣮ߦ͞ΕΔ

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  6. MJGFDZDMFͷύλʔϯ
    w SFTVNF
    w ΞϓϦέʔγϣϯ͕දࣔ͞ΕɺϢʔβͷೖྗʹԠ౴͢
    Δঢ়ଶ
    w TVTQFOEJOH
    w ΞϓϦέʔγϣϯ͕தஅ͞Ε͍ͯΔঢ়ଶ
    w J04Ͱ͸͜ͷঢ়ଶ͸ݱࡏ࢖༻͞Ε͍ͯͳ͍

    "OESPJEͰ΋ࣗ෼͸֬ೝͰ͖͍ͯͳ͍

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  7. MJGFDZDMFΠϝʔδ J04

    ఀࢭঢ়ଶ
    XJMM'JOJTI-BVODIJOH8JUI0QUJPOT
    EJE'JOJTI-BVODIJOH8JUI0QUJPOT
    BQQMJDBUJPO%JE#FDPNF"DUJWF
    ΞΫςΟϒঢ়ଶ
    ఀࢭঢ়ଶ
    ΞΫςΟϒঢ়ଶ
    SFTVNFE

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  8. MJGFDZDMFΠϝʔδ J04

    όοΫάϥ΢ϯυঢ়ଶ
    BQQMJDBUJPO8JMM&OUFS'PSFHSPVOE
    BQQMJDBUJPO%JE#FDPNF"DUJWF
    ΞΫςΟϒঢ়ଶ
    BQQMJDBUJPO8JMM3FTJHO"DUJWF
    BQQMJDBUJPO%JE&OUFS#BDLHSPVOE
    όοΫάϥ΢ϯυঢ়ଶ
    όοΫάϥ΢ϯυঢ়ଶ
    ΞΫςΟϒঢ়ଶ
    όοΫάϥ΢ϯυঢ়ଶ
    JOBDUJWF
    SFTVNFE
    JOBDUJWF
    QBVTFE

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  9. MJGFDZDMFΠϝʔδ "OESPJE

    ఀࢭঢ়ଶ
    PO$SFBUF
    PO4UBSU
    PO3FTVNF
    ΞΫςΟϒঢ়ଶ
    ఀࢭঢ়ଶ
    ΞΫςΟϒঢ়ଶ
    PO1PTU3FTVNF

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  10. MJGFDZDMFΠϝʔδ "OESPJE

    όοΫάϥ΢ϯυঢ়ଶ
    PO4UBSU
    PO3FTVNF
    ΞΫςΟϒঢ়ଶ
    όοΫάϥ΢ϯυঢ়ଶ
    ΞΫςΟϒঢ়ଶ
    SFTVNFE PO1PTU3FTVNF
    PO1BVTF
    όοΫάϥ΢ϯυঢ়ଶ
    JOBDUJWF
    όοΫάϥ΢ϯυঢ়ଶ
    JOBDUJWF
    QBVTFE
    PO4UPQ

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  11. ॴײ
    w EJE$IBOHF"QQ-JGFDZDMF4UBUF͸

    ϑΥΞάϥ΢ϯυ㱻όοΫάϥ΢ϯυͷ

    ϥΠϑαΠΫϧ؅ཧʹ׆༻͢Δͷ͕Α͍
    w ىಈ࣌ॲཧͳͲ͸JOJU4UBUFͳͲΛ׆༻͢Δ

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