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Kotlin5

[Kotlin] IntelliJ kotlinx.coroutines ๋ชจ๋“ˆ Import ์•ˆ๋จ ํ•ด๊ฒฐ Unresolved reference: delay ์šฐ์„  ํ•ด๋‹น ํŒจํ‚ค์ง€์˜ ๊ณต์‹ ๊ฒฝ๋กœ๋Š” ์•„๋ž˜์™€ ๊ฐ™๋‹ค.https://github.com/Kotlin/kotlinx.coroutines#gradle GitHub - Kotlin/kotlinx.coroutines: Library support for Kotlin coroutinesLibrary support for Kotlin coroutines . Contribute to Kotlin/kotlinx.coroutines development by creating an account on GitHub.github.com ์•„๋ž˜๋Š” intelliJ์—์„œ ์ƒˆ ํ”„๋กœ์ ํŠธ ์ƒ์„ฑ์‹œ ์„ ํƒํ•  ์ˆ˜ ์žˆ๋Š” ๋นŒ๋“œ ์‹œ์Šคํ…œ ๋ณ„ ํ•ด๊ฒฐ๋ฐฉ๋ฒ•์ด๋‹ค. Gradledependencies { implemen.. 2023. 12. 10.
[Kotlin] ๋ฌธ์ž์—ด ๋ฐ”์ดํŠธ ์ˆ˜ ๊ตฌํ•˜๊ธฐ / ๋ฐ”์ดํŠธ ํฌ๊ธฐ ์ฝ”ํ‹€๋ฆฐ์—์„œ ๋ฌธ์ž์—ด์˜ ๋ฐ”์ดํŠธ ์ˆ˜(ํฌ๊ธฐ)๋ฅผ ๊ตฌํ•˜๋Š” ํ™•์žฅํ•จ์ˆ˜๋ฅผ ์•„๋ž˜์™€ ๊ฐ™์ด ์ฝ”๋“œ์— ์ถ”๊ฐ€ํ•˜์—ฌ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.val String.byteSize: Int get() = toByteArray(Charsets.UTF_8).size ํด๋ž˜์Šค ์•ˆ์— ๋‘์ง€ ์•Š๊ณ  ๋ฐ–์— ๋‘์–ด์•ผ ์—ฌ๋Ÿฌ ํด๋ž˜์Šค๋“ค์—์„œ ์‚ฌ์šฉ์ด ์šฉ์ดํ•˜๋‹ค. ์ž์„ธํ•œ ์„ค๋ช…์„ ์•„๋ž˜์—์„œ ์ž‡๊ฒ ๋‹ค.  toByteArray()์ฝ”ํ‹€๋ฆฐ์˜ String ํด๋ž˜์Šค์—์„  toByteArray()๋ผ๋Š” ๋ฉ”์„œ๋“œ๋ฅผ ์ง€์›ํ•œ๋‹ค.๋ฌธ์ž์—ด๋กœ๋ถ€ํ„ฐ ByteArray๋ฅผ ์ถ”์ถœํ•˜์˜€์„๋•Œ ์ด ByteArray์˜ ํฌ๊ธฐ๊ฐ€ ๋ฌธ์ž์—ด์˜ ๋ฐ”์ดํŠธ ์ˆ˜์ด๋‹ค.fun String.toByteArray( charset: Charset = Charsets.UTF_8): ByteArray ๊ธฐ๋ณธ ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ๋Š” Charset ํด๋ž˜์Šค๋ฅผ ๋ฐ›๋Š”๋‹ค. ๋””ํด.. 2023. 11. 5.
[Android/Kotlin] FloatingButton ๋ฒ„ํŠผ์— Vector(svg) ์•„์ด์ฝ˜ ๊ฐ€์šด๋ฐ ๋ฐฐ์น˜ํ•˜๊ธฐ android:layout_width="30dp" android:layout_height="30dp" app:srcCompat="@drawable/ic_send" app:fabSize="mini" app:fabCustomSize="30dp" 2021. 6. 23.
[Android/Kotlin] CardView ๋ฐฐ๊ฒฝ ์ƒ‰๊ณผ radius ๋™์‹œ์— ์ง€์ •ํ•˜๊ธฐ card?.radius = 40F card?.setCardBackgroundColor(Color.parseColor(room.color)) 2021. 6. 23.
[Android/Kotlin] Horizontal ๊ฐ€๋กœ ์Šฌ๋ผ์ด๋“œ Recycler View ์‚ฌ์šฉํ•˜๊ธฐ (์™„์ „ ์‰ฌ์›€) ์ž‘๋…„ ๊ฐ€์„ ์ดํ›„๋กœ ์•ˆ๋“œ๋กœ์ด๋“œ๋ฅผ ๋งŒ์ง„ ์ ์ด ์—†๋Š”๋ฐ, ์š”์ฆ˜ ๋‹ค์‹œ ๋ถ™์žก๊ณ  ์žˆ๋‹ค. ์˜ค๋žœ๋งŒ์— (๋ฐ˜๋…„์ „์ด์ง€๋งŒ ๋‚˜์—๊ฒ ํฐ ์‹œ๊ฐ„) ๋งŒ์ง€๋‹ˆ ๋‚ ์•„๊ฐ„ ๊ธฐ์–ต๋“ค์ด ์žˆ์–ด ๋ณต์Šตํ•œ๋‹ค๋Š” ๋Š๋‚Œ์œผ๋กœ ์ž๋ฃŒ๋ฅผ ์ฐพ์•„๊ฐ€๋ฉฐ ์ง„ํ–‰์ค‘์ด๋‹ค. Recycler view๋Š” ์‚ฌ์šฉ๋ฐฉ๋ฒ•์ด ๋ฌด์กฐ๊ฑด ์ต์ˆ™ํ•ด์•ผํ•œ๋‹ค๊ณ  ๋Š๊ปด์„œ ์ด๋ฒˆ์— ์ œ๋Œ€๋กœ ๋ฝ€๊ฐฐ๋‹ค. ์šฐ์™• ์ด๋ชจํ‹ฐ์ฝ˜ ์ƒ๊ฒผ๋‹ค. ์—…๋ฐ์ดํŠธ๋œ๋“ฏ ! 1. RecyclerView ๊ด€๋ จ XML element ์ƒ์„ฑ ๋ฆฌ์‚ฌ์ดํด๋Ÿฌ๋ทฐandroidx.recyclerview.widget.RecyclerView ์™€ ๊ทธ ์•„์ดํ…œ ๋ทฐ ์ƒ์„ฑ ์•„์ดํ…œ ๋ทฐ Root layout ํฌ๊ธฐ ์†์„ฑ์€ ์•„๋ž˜์™€ ๊ฐ™์ด ๊ถŒ์žฅํ•œ๋‹ค. item_room.xml android:layout_width="wrap_content" android:layout_height="wrap_content.. 2021. 5. 15.
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