UIStackView demystified

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6*4UBDL7JFXEFNZTUJpFE ,B[VIJSP)BZBTIJ /BHPZBJ04NFFUVQ7PM

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6*4UBDL7JFXͱ͸ IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOVJLJUVJTUBDLWJFX w 7JFXΛॎԣ΁੔ྻͤ͞ΔͨΊ ʹ࢖͏7JFXίϯϙʔωϯτ w ઃఆ஋ͰͲ͏੔ྻͤ͞Δ͔Λܾ ΊΔ w 6*4UBDL7JFXͷ֊૚Ͱෳࡶͳ ϨΠΞ΢τΛදݱͰ͖Δ

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6*4UBDL7JFXͷಛ௃ w ઃఆͷมߋ΍7JFXͷ௥ՃͰಈతʹϨΠΞ΢τมߋ͕Ͱ͖Δ w ಺෦ͷWJFXʹରͯ͠JT)JEEFOUSVFʹ͢Δͱτϧπϝ͞ΕΔ

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͜Ε͚ͩͰ΋Ͳ͏Ͱ΋͍͍ٙ໰͕ ৭ʑग़ͯ͘Δ

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BSSBHFE4VCWJFXTWTTVCWJFXT

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BSSBHFE4VCWJFXTWTTVCWJFXT w 6*4UBDL7JFXͰ੔ྻͤ͞ΔWJFX͸ BSSBOHFE4VCWJFXTʹೖΔ w ͔͠͠6*7JFXͷαϒΫϥεͱ͍͏͜ ͱ͸ɺTVCWJFXT΋͍࣋ͬͯΔ w ͍ͭ͜ʹWJFXΛηοτ͢ΔͱͲ͏ͳ Δʁ

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BSSBHFE4VCWJFXTWTTVCWJFXT w 6*4UBDL7JFXͰ੔ྻͤ͞ΔWJFX͸ BSSBOHFE4VCWJFXTʹೖΔ w ͔͠͠6*7JFXͷαϒΫϥεͱ͍͏͜ ͱ͸ɺTVCWJFXT΋͍࣋ͬͯΔ w ͍ͭ͜ʹWJFXΛηοτ͢ΔͱͲ͏ͳ Δʁ

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4UBDL7JFXʹ7JFXΛฒ΂Δ

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4UBDL7JFXʹBEE4VCWJFX͢Δ

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4UBDL7JFXʹBEE4VCWJFX͢Δ

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ී௨ʹTVCWJFXͱͯ͠௥Ճ͞ΕΔͬΆ͍

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JT)JEEFOUSVFͰԿ͕ى͖͍ͯΔʁ

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JT)JEEFOUSVFͰԿ͕ى͖ ͍ͯΔʁ w JT)JEEFOUSVFͱ͢Δͱ ϨΠΞ΢τର৅͔Βফ͑Δ w ௨ৗͷTVCWJFXTʹରͯ͠ JT)JEEFOUSVFͨ͠ͱ͖ ͱͷ಺෦ͷڍಈͷҧ͍͸ͳ ʹ͔

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JT)JEEFOUSVFͰԿ͕ى͖ ͍ͯΔʁ

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JT)JEEFOUSVFͰԿ͕ى͖͍ͯΔʁ w ௨ৗͷTVCWJFXͷ࣌ͱಉ͡Ͱඳըࣗମແࢹ͞ΕΔͬΆ͍ w ͨͩ͠௨ৗͷTVCWJFXͱҧͬͯ਌Ͱ͋Δ4UBDL7JFXͱͦͷத ਎ͷ7JFXͷ੍໿͕ࣗಈతʹॻ͖׵͑ΒΕ͍ͯΔ w BEE$POTUSBJOU SFNPWF$POTUSBJOU͕ൃੜ͍ͯ͠ΔͷͰύ ϑΥʔϚϯεʹ஫ҙ͢Δඞཁ͕͋Δ

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ϨϯμϦϯάػೳΛ࣋ͨͳ͍ʁ

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ϨϯμϦϯάػೳΛ࣋ͨͳ͍ʁ w 7JFXͷϓϩύςΟΛม͑ͯΈΔͱͲ͏ͳΔʁ w ESBX3FDU ͸ݺ͹ΕΔʁ w 6*7JFXͷMBZFSϓϩύςΟʹ͸Կ͕ೖ͍ͬͯΔͷ͔

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CBDLHSPVOE$PMPSͰ6*4UBDL7JFXͷ ৭Λม͑ͯΈΔ w ಁ໌ͷ··

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ESBX3FDU @ ͸ݺ͹ΕΔ w ݺ͹Εͯ·ͨ͠

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MBZFSʹ͸Կ͕ೖ͍ͬͯΔʁ w $"5SBOTGPSN-BZFSͰͨ͠ɻϨΠϠΛ%ͱͯ͠ѻ͍ͬͯΔͬΆ͍ɻ w ͦΕͰCBDLHSPVOE$PMPS౳ͷมߋΛड͚ͳ͘ͳ͍ͬͯͨ໛༷ ͳͷͰ NBTLT5P#PVOET΋ޮ͔ͳ͍

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"VUPMBZPVUΛ಺෦Ͱு͍ͬͯΔͱ͍͏͜ͱ͸ ͦͷ؍఺ͰύϑΥʔϚϯε͕ѱ͘ͳΔ͜ͱ΋͋Γ͑Δʁ

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ͲΜͳ"VUPMBZPVU͕షΒΕ͍ͯΔͷ͔

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ͲΜͳ"VUPMBZPVU͕షΒΕ͍ͯΔͷ͔ w ී௨ʹߟ͑ͨΒ͜͏షΔ ͩΖ͏ͳ͍ͬͯ͏ී௨ͷ షΓํ͕͞Ε͍ͯ·ͨ͠

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ωετ͞Εͨ6*4UBDL7JFXͷॲཧ࣌ؒΛݟͯΈΔ w ͜Μͳײ͡Ͱͻͨ͢Β6*4UBDL7JFXΛ ωετ͍ͯ͘͠

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ωετ͞Εͨ6*4UBDL7JFXͷॲཧ࣌ؒΛݟͯΈΔ w 6*7JFXʹରͯ͠"VUPMBZPVUΛషͬ ͍ͯͬͨ৔߹ͱܗ͸มΘΒͳ͍ ໛༷ NT ωετ਺

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݁࿦ w ϨΠΞ΢τʹର͢ΔศརͳΠϯλʔϑΣʔεͱͯ͠ఏڙ͞ Ε͍ͯΔ͕ɺಛผϨΠΞ΢τͷύϑΥʔϚϯεΛ࠷దԽ͠ ͍ͯͳ͍ ඳըͷίετ͸௿͍ w 6*4UBDL7JFX͕ͨ͘͞Μωετ͞ΕͨϨΠΞ΢τͷ৔߹ɺ 6*7JFXΛϑϥοτʹϨΠΞ΢τͨ͠΄͏͕ύϑΥʔϚϯε ͸͍͍͔΋͠Εͳ͍

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