IntroductionRetrofit turns your HTTP API into a Java (or Kotlin) interface.
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2021å¹´4月6日（米国時間）ã€Googleã¯å…¬å¼ãƒ–ãƒã‚°ã§Androidオープンソースプãƒã‚¸ã‚§ã‚¯ãƒˆï¼ˆAOSP）ãŒãƒ¢ãƒã‚¤ãƒ«ãƒ‡ãƒã‚¤ã‚¹å‘ã‘オープンソースOS「Androidã€ã®é–‹ç™ºã«ãŠã„ã¦ã€ã‚ªãƒ¼ãƒ—ンソースã®ã‚·ã‚¹ãƒ†ãƒ プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã€ŒRustã€ã®å°Žå…¥ã‚’進ã‚ã¦ã„ã‚‹ã“ã¨ã‚’明らã‹ã«ã—ãŸã€‚Googleã¯2021å¹´2月ã«è¨ç«‹ã•ã‚ŒãŸç‹¬ç«‹éžå–¶åˆ©å›£ä½“「Rust Foundationã€ã«ã‚‚åŠ ç›Ÿã—ã¦ã„る。 Androidã¯ã“ã‚Œã¾ã§ã€ã€ŒCã€ã‚„「C++ã€ã¨ã„ã£ãŸã‚·ã‚¹ãƒ†ãƒ プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã‚’用ã„ã¦é–‹ç™ºã•ã‚Œã¦ããŸã€‚Android開発ã«Rustã‚’å°Žå…¥ã—ãŸç›®çš„ã¯ã€ãƒ¡ãƒ¢ãƒªå®‰å…¨æ€§ã®ãƒã‚°ã‚’予防ã™ã‚‹ã“ã¨ã«ã‚る。 AOSPã¯ã“ã‚Œã¾ã§ã‚‚メモリ安全性ã®ãƒã‚°ã®æ¤œå‡ºã‚„ä¿®æ£ã€è»½æ¸›ã«æ³¨åŠ›ã—ã¦ããŸãŒã€ã•ã‚‰ã«äºˆé˜²ã‚’強化ã—よã†ã¨ã—ã¦ã„る。メモリ安全性を特徴ã¨ã—ãŸè¨€èªžã®æŽ¡ç”¨ãŒã€æœ€ã‚‚費用対効果ã®é«˜ã„予防方法ã ã¨ã®èªè˜ã‹ã‚‰ã€Rustã®å°Žå…¥ã«è‡³ã£ãŸã€‚ Andro
The Google Services Gradle Plugin  | Google Play services  | Google for Developers
The Google Services Gradle Plugin Stay organized with collections Save and categorize content based on your preferences. outlined_flag The google-services plugin for Android applications is used to process the google-services.json file into Android resources and add required dependencies for enabled services. The google-services.json file is typically placed in the app/ directory, but can also be
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Androidã§ã¯ã€ã„ãŸã‚‹ã¨ã“ã‚ã§ContextãŒå¿…è¦ã«ãªã‚‹ã€‚Application#getApplicationContextã§å¾—られるContextã‚’ã€ã©ã“ã‹ã‚‰ã§ã‚‚得られるã¨ä¾¿åˆ©ã§ã‚る。便利ã¨ã„ã†ã‹å¿…é ˆã§ã¯ãªã„ã‹ã¨æ€ã†ã€‚メソッド呼ã³å‡ºã—ã®æ·±ã„階層ã§ContextãŒå¿…è¦ã«ãªã£ãŸæ™‚ã€ãã‚Œã¾ã§ã®å‘¼ã³å‡ºã—メソッドã™ã¹ã¦ã§Contextを引数ã§å—ã‘å–るよã†ã«ä¿®æ£ã—ãŸã‚Šã¨æ³¥æ²¼ã«ãƒãƒžã‚Šã‹ããªã„ã‹ã‚‰ãƒ»ãƒ»ãƒ» ã¾ãšã¯Contextã«ã¤ã„ã¦å¾©ç¿’ Activityã‚„Serviceã¯Contextã®ã‚µãƒ–クラスã§ã‚ã‚‹ Applicationã‚‚Contextã®ã‚µãƒ–クラスã§ã‚ã‚‹ 当然ã€ãã‚Œãžã‚ŒContextã®å®Ÿä½“（メモリ上ã®ã‚¢ãƒ‰ãƒ¬ã‚¹ï¼‰ã¯åˆ¥ã§ã‚ã‚‹ Application#getApplicationContextã§å¾—られるContextã¯Applicationã¨åŒã˜ã§ã‚ã‚‹ Stackoverflowã§Applicati
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ã¨é€²ã¿ã€å·¦ä¸Šã®æ¤œç´¢ãƒœãƒƒã‚¯ã‚¹ã«"kotlin"ã¨æ‰“ã¡è¾¼ã‚€ã¨é–¢é€£ã™ã‚‹é …ç›®ãŒå‡ºã¦ãã¾ã™ ãã®ä¸ã‹ã‚‰ Kotlin ã‚’é¸æŠžã—ã€å³å´ã® Install Plguin ã‚’é¸æŠžã™ã‚‹ã“ã¨ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«å‡ºæ¥ã¾ã™ 最後ã«AndroidStudioã‚’å†èµ·å‹•ã™ã‚‹ã“ã¨ã§ä½¿ãˆã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã™ Android Projectã«Kotlinを組ã¿è¾¼ã‚€ Kotlinをインストールã—ãŸã—ã€ä½¿ãˆã‚‹ã‚ˆã†ã«ãªã£ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ã£ã¦ãªã„ Android Projectã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯Javaã§ãƒ“ルドãªã©ã‚’è¡Œã†è¨å®šã«ãªã£ã¦ã„ã¾ã™ ãã®ãŸã‚Kotlinも仲間ã«åŠ ãˆã‚‹ã‚ˆã†ã«è¨å®šã—ãªã‘ã‚Œã°ãªã‚‰ãªã„ã®ã§ã™ æ‰‹é † è¨å®šã¨è¨€ã£ã¦ã‚‚難ã—ã„ã‚‚ã®ã§ã¯ã‚ã‚Šã¾ã›ã‚“ 以下ã®é€šã‚Šã«ãƒãƒãƒƒã¨ã™ã‚Œã°å¤§ä¸ˆå¤«ã§ã™ import android.os.Bundle; import android.support.design.widget.FloatingActionButt
Gradle Distributions
services.gradle.org/ distributions/ gradle-9.3.0-milestone-1-wrapper.jar.sha256 04-Nov-2025 13:30 +0000 64.00B gradle-9.3.0-milestone-1-docs.zip 04-Nov-2025 13:30 +0000 86.50M gradle-9.3.0-milestone-1-docs.zip.sha256 04-Nov-2025 13:30 +0000 64.00B gradle-9.3.0-milestone-1-src.zip 04-Nov-2025 13:30 +0000 69.21M gradle-9.3.0-milestone-1-src.zip.sha256 04-Nov-2025 13:30 +0000 64.00B gradle-9.3.0-mile
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ProGuard Manual: Examples | Guardsquare
Configuration - Examples You can find some sample configuration files in the examples directory of the ProGuard distribution. Processing different types of applications¶ A typical application¶ To shrink, optimize, and obfuscate a simple Java application, you typically create a configuration file like myconfig.pro, which you can then use with bin/proguard @myconfig.pro The configuration file specif
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Android 㮠Vulkan シェーダー コンパイラ  | Android NDK  | Android Developers
Vulkan スタートガイド  | Android NDK  | Android Developers
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CMake  | Android NDK  | Android Developers
Package com.android.tools.build.gradle - android
Add C and C++ code to your project  | Android Studio  | Android Developers
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How Long Do Android Owners Own An Android Phone?
Android Gradle plugin 9.0.1 (January 2026)  | Android Studio  | Android Developers
SDK Build Tools release notes  | Android Studio  | Android Developers
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