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[Android][Glide] You can't start or clear loads in RequestListener or Target callbacks. ์—๋Ÿฌ ๋กœ๊ทธ ํ™•์ธ Caused by: java.lang.IllegalStateException: You can't start or clear loads in RequestListener or Target callbacks. If you're trying to start a fallback request when a load fails, use RequestBuilder#error(RequestBuilder). Otherwise consider posting your into() or clear() calls to the main thread using a Handler instead. ๋ฌธ์ œ์˜ ์ฝ”๋“œ private void setData() { ... Glide.with(imageView) .asBitmap(..
[Android] ์‹œ์Šคํ…œ ๋ฐ” ์ œ์–ด decor view์˜ ์“ฐ์ž„์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋‹ค๊ฐ€ ์‹œ์Šคํ…œ ๋ฐ” ์ œ์–ด๋ฅผ ๋ณด๊ฒŒ ๋๋‹ค. ์‹œ์Šคํ…œ ๋ฐ”๋Š” ๋ฌด์—‡์„ ์˜๋ฏธํ•˜๋‚˜ https://developer.android.com/training/system-ui ์‹œ์Šคํ…œ UI ๊ณต๊ฐœ ์ƒํƒœ ์ œ์–ด | Android ๊ฐœ๋ฐœ์ž | Android Developers ์‹œ์Šคํ…œ UI ๊ณต๊ฐœ ์ƒํƒœ ์ œ์–ด ์ปฌ๋ ‰์…˜์„ ์‚ฌ์šฉํ•ด ์ •๋ฆฌํ•˜๊ธฐ ๋‚ด ํ™˜๊ฒฝ์„ค์ •์„ ๊ธฐ์ค€์œผ๋กœ ์ฝ˜ํ…์ธ ๋ฅผ ์ €์žฅํ•˜๊ณ  ๋ถ„๋ฅ˜ํ•˜์„ธ์š”. ๊ทธ๋ฆผ 1. [1] ์ƒํƒœ ํ‘œ์‹œ์ค„ ๋ฐ [2] ํƒ์ƒ‰ ๋ฉ”๋‰ด๊ฐ€ ํฌํ•จ๋œ ์‹œ์Šคํ…œ ํ‘œ์‹œ์ค„ ์‹œ์Šคํ…œ ํ‘œ์‹œ์ค„์€ developer.android.com The system bars are screen areas dedicated to the display of notifications, communication of device status,..
[Java][Thread] Happens-before relationship Java์˜ ๋™์‹œ์„ฑ ๊ด€๋ จ ๋ถ€๋ถ„์„ ์‚ดํ”ผ๋‹ค๊ฐ€ 'happens-before relationship'์ด๋ž€ ์šฉ์–ด๊ฐ€ ์ž์ฃผ ๋“ฑ์žฅํ•˜๋Š” ๊ฒƒ์„ ์•Œ์•˜๋‹ค. https://www.logicbig.com/tutorials/core-java-tutorial/java-multi-threading/happens-before.html Java - Understanding Happens-before relationshipJava - Understanding Happens-before relationship [Last Updated: May 19, 2018]www.logicbig.comhttps://en.wikipedia.org/wiki/Happened-before Happened-before - WikipediaFrom Wikipedia,..
[Kotlin] Obejct๋กœ ์„ ์–ธํ•œ Singleton ๊ฐ์ฒด์˜ ์ƒ์„ฑ์€ Lazy ํ•œ๊ฐ€? Java๋กœ ์ž‘์„ฑ๋œ ์ฝ”๋“œ๋ฅผ Kotlin์œผ๋กœ ์ž‘์„ฑํ•˜๋‹ค๊ฐ€ ๋“  ์˜๋ฌธ์œผ๋กœ ์‹œ์ž‘ํ•จ. Java์—์„œ Singleton ํŒจํ„ด์œผ๋กœ ์ž‘์„ฑ๋œ ํด๋ž˜์Šค๋“ค์€, ํ˜ธ์ถœ ์‹œ instance๊ฐ€ ์žˆ๋Š”์ง€ ํ™•์ธํ•˜๊ณ , instatnce๊ฐ€ ์—†์„ ๊ฒฝ์šฐ ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๊ฒƒ์„ ์ž์ฃผ ๋ด์™”๋‹ค. Kotlin์—์„œ object๋กœ ์„ ์–ธํ•ด ์ž‘์„ฑํ•˜๋ฉด singleton ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•œ๋‹ค๊ณ  ์•Œ๊ณ  ์žˆ์–ด์„œ, ์ •๋ง ํŽธ๋ฆฌํ•˜๊ฒŒ object ํ‚ค์›Œ๋“œ๋ฅผ ์“ฐ๋ฉฐ ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•˜๊ณ  ์žˆ์—ˆ๋Š”๋ฐ, java ์ฝ”๋“œ์—์„œ ์ž‘์„ฑํ•œ singleton ํŒจํ„ด๊ณผ ์ •๋ง ๋™์ผํ•˜๊ฒŒ ๋™์ž‘ํ•˜๋Š”๊ฒŒ ๋งž๊ฒ ์ง€?๋ผ๋Š” ์˜๋ฌธ์ด ๋“ค์—ˆ๋‹ค. ํ™•์ธ ๋“ค์–ด๊ฐ„๋‹ค. ๊ฒฐ๋ก  > ๊ณต์‹๋ฌธ์„œ ์ƒ์— ๋”ฐ๋ฅด๋ฉด ๊ทธ๋Ÿฌํ•˜๋‹ค. ๊ณต์‹๋ฌธ์„œ์˜ ์–ธ๊ธ‰์„ ์ฐพ์•„๋ณธ๋‹ค. https://kotlinlang.org/docs/object-declarations.html#object-decl..
[Network] HTTP headers ๊ธฐ์ ์„ ๋ถ€๋ฅด๋Š” ์•ˆ๋“œ๋กœ์ด๋“œ ํ†ต์‹  ํ”„๋กœ๊ทธ๋ž˜๋ฐ ๊ธฐ์ ์„ ๋ถ€๋ฅด๋Š” ์•ˆ๋“œ๋กœ์ด๋“œ ํ†ต์‹  ํ”„๋กœ๊ทธ๋ž˜๋ฐ - YES24 ์•ˆ๋“œ๋กœ์ด๋“œ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์•ˆ๋‚ด์„œ. ์•ˆ๋“œ๋กœ์ด๋“œ๊ฐ€ ์ œ๊ณตํ•˜๋Š” ๊ธฐ๋Šฅ๋“ค์— ๊ตญํ•œํ•˜์ง€ ์•Š๊ณ  ๋‹ค์–‘ํ•œ ์—…์ฒด์—์„œ ์ œ๊ณตํ•˜๋Š” ํŒจํ‚ค์ง€์™€ ํ†ต์‹  ํ”„๋กœํ† ์ฝœ ๊ทธ๋ฆฌ๊ณ  ์ž๋ฐ”์˜ ๊ณ ์œ  ๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•˜์—ฌ ํ†ต์‹ ์˜ ์ „๋ฐ˜์ ์ธ ๊ธฐ๋Šฅ www.yes24.com https://www.blog-dreamus.com/post/cache-control-%EC%9D%B4-%ED%95%84%EC%9A%94%ED%95%9C-%EC%9D%B4%EC%9C%A0 'Cache-Control'์ด ํ•„์š”ํ•œ ์ด์œ  ์•ฑ์˜ ์„ฑ๋Šฅ์„ ํ–ฅ์ƒ์‹œํ‚ค๋Š” ๋ฐฉ๋ฒ• ์ค‘ ํ•˜๋‚˜์ธ ์บ์‹œ. ํด๋ผ์ด์–ธํŠธ์—์„œ ์บ์‰ฌ๋ฅผ ํ•˜๊ณ , ์„œ๋ฒ„์—์„œ ์ปจํŠธ๋กค์ด ๊ฐ€๋Šฅํ•œ Cache-Control์— ๋Œ€ํ•ด์„œ ์•Œ์•„๋ด…๋‹ˆ๋‹ค. www.blog-dreamus.c..
[Android][Java][์•”ํ˜ธํ™”] MessageDigest https://developer.android.com/reference/kotlin/java/security/MessageDigest MessageDigest | Android Developers developer.android.com MessageDigest ํด๋ž˜์Šค๋Š” message digest algorithm ๊ธฐ๋Šฅ(SHA-1, SHA-256 ๋“ฑ)์„ ์•ฑ์— ์ œ๊ณตํ•œ๋‹ค. Message digest๋Š” ์ž„์˜์˜ ํฌ๊ธฐ์˜ ๋ฐ์ดํ„ฐ๋ฅผ ์†Œ์ •๋œ ๊ธธ์ด์˜ ํ•ด์‹œ ๊ฐ’์œผ๋กœ ์ถœ๋ ฅํ•˜๋Š” ์•ˆ์ „ํ•œ ๋‹จ๋ฐฉํ–ฅ ํ•ด์‹œ ํ•จ์ˆ˜์ด๋‹ค. Q. message digest algorithm์ด ๋ฌด์—‡์ธ๊ฐ€? https://www.geeksforgeeks.org/what-is-the-md5-algorithm/ What is the MD5 Algorithm? - Geek..
[Android][View] decor view ๊ณต์‹ ๋ ˆํผ๋Ÿฐ์Šค ๋ฌธ์„œ์—์„œ์˜ ๋“ฑ์žฅ https://developer.android.com/reference/android/view/Window#getDecorView() Window | Android Developers developer.android.com Window์˜ getDecorView()๋กœ ๋ฐ˜ํ™˜๋˜๋Š” ๊ฐ์ฒด. public abstract View getDecorView() Returns the top-level window decor view. This value cannot be null. ๋ฐœ๋ฒˆ์—ญ ์ตœ์ƒ๋‹จ ์œˆ๋„์šฐ decor view๋ฅผ ๋ฐ˜ํ™˜ํ•จ. null์„ ๋ฐ˜ํ™˜ํ•  ์ˆ˜ ์—†์Œ. Retrieve the top-level window decor view (containing the standard window f..
[Android][Lint] Missing baselineAligned attribute ์‹œ์ž‘ Lint ๊ฒฝ๊ณ  ํ™•์ธ ์ค‘ ํ•ด๋‹น ๊ฒฝ๊ณ ๋ฅผ ํ™•์ธํ–ˆ๋‹ค. ๊ด€๋ จ ์„ค๋ช…์€ ์ด๋Ÿฌํ•˜๋‹ค. Set android:baselineAligned="false" on this element for better performance ๋ฐœ๋ฒˆ์—ญ ์ด ์š”์†Œ์˜ ์„ฑ๋Šฅ ๊ฐœ์„ ์„ ์œ„ํ•ด android:baselineAligned="false" ๋กœ ์„ค์ •ํ•˜์‹œ์˜ค. ์‚ดํŽด๋ณด๋‹ˆ ์ด ๊ฒฝ๊ณ ๊ฐ€ ๋œจ๋Š” ๋ถ€๋ถ„๋“ค์€ LinearLayout๋“ค์ด๋‹ค. When a LinearLayout is used to distribute the space proportionally between nested layouts, the baseline alignment property should be turned off to make the layout computation faster. ๋ฐœ..

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