OIBSIP — Android Development — All 5 Tasks

Five separate native Android Studio projects, submitted in the official OIBSIP format (OIBSIP_AndroidDevelopment_Task<n>).

Task	Folder	App
1	OIBSIP_AndroidDevelopment_Task1	Unit Converter
2	OIBSIP_AndroidDevelopment_Task2	Secure To-Do App (Login + PBKDF2)
3	OIBSIP_AndroidDevelopment_Task3	Calculator (with scientific ops)
4	OIBSIP_AndroidDevelopment_Task4	Quiz App (15 GK questions + timer)
5	OIBSIP_AndroidDevelopment_Task5	Stopwatch (with lap times)

Each folder is its own complete Android Studio project and contains:

• README.md — Objective, Tools Used, Steps Performed, Outcome
• app/build.gradle, settings.gradle, build.gradle, gradle.properties
• Full app/src/main/ (Java + XML + Material 3 day/night themes + adaptive launcher icon)

Common stack

• Java • Android Studio (Hedgehog+)
• AGP 8.5.0 • Gradle 8.7 • JDK 17
• compileSdk 34, minSdk 24
• Material Components 1.12.0, AndroidX
• DayNight (Auto) theming via values/themes.xml + values-night/themes.xml