Uyga vazifa

Mazkur haftada o'tilgan darslar bo'yicha mustaqil bajarish uchun topshiriqlar to'plami. Har bir vazifa 25–30 daqiqaga mo'ljallangan.

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4-dars: Dependency management va ziddiyatlarni hal qilish (Tranzitiv bog'liqliklar)

1. Android Studio loyihangiz terminalida ./gradlew app:dependencies --configuration releaseRuntimeClasspath buyrug'ini ishga tushiring.
2. Natijada chiqqan bog'liqliklar daraxtidan bitta tranzitiv bog'liqlikni (masalan, androidx.core:core yoki kotlinx-coroutines) aniqlang va u qaysi asosiy kutubxona orqali loyihaga kirib kelganini daftaringizga yozing.
3. Loyihada sun'iy ravishda versiya ziddiyati hosil qiling va app/build.gradle faylida exclude group: yoki resolutionStrategy.force yordamida uni yagona barqaror versiyaga moslashtiring.

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5-dars: ProGuard va R8 yordamida kodni optimallashtirish (1-qism)

1. Android Studio'da app/build.gradle (yoki .kts) faylini oching va buildTypes.release blokiga quyidagi sozlamalarni kiriting:
   • isMinifyEnabled = true (yoki Groovy'da minifyEnabled true)
   • isShrinkResources = true (yoki Groovy'da shrinkResources true)
2. Terminalda ./gradlew assembleRelease buyrug'i orqali Release APK hosil qiling.
3. Android Studio menyusidan Build > Analyze APK... bo'limini oching va yaratilgan Release APK'ni kiring:
   • Debug va Release APK hajmini solishtiring;
   • classes.dex ichidagi klass nomlari qanday qisqarganini (masalan, a.b.c) ko'zdan kechiring.

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6-dars: ProGuard va R8 qoidalari bilan ishlash (2-qism: Amaliyot)

1. Loyihangizda serverdan keladigan ma'lumotlar uchun kamida 2 ta data class yarating:
   • UserProfile(val id: Long, val name: String, val role: String)
   • OrderDetails(val orderId: String, val totalSum: Double)
2. UserProfile klassini app/proguard-rules.pro faylida -keep class ... { *; } qoidasi orqali himoyalang.
3. OrderDetails klassiga esa androidx.annotation.Keep kutubxonasidagi @Keep annotatsiyasini qo'llang.
4. Loyihani qayta Release build qiling va app/build/outputs/mapping/release/mapping.txt faylini ochib, ushbu klasslar qanday saqlanganini tekshiring.

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