http://ocw.cs.pub.ro/courses/ 2026-05-08T15:25:48+03:00 http://ocw.cs.pub.ro/courses/ http://ocw.cs.pub.ro/courses/lib/tpl/arctic/images/favicon.ico text/html 2021-03-10T21:55:00+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/00?rev=1615406100&do=diff Objectives: * Create your Github Classroom repository (jump to section) * Configure Android Studio, Android SDK and emulator (jump to section) * Create a Hello World app and run it in the emulator (jump to section) * Familiarize with basic git and create a pull request (jump to section) text/html 2021-03-17T19:58:23+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/01?rev=1616003903&do=diff Lab 01. Introduction Resources * Android Developers Documentation * Android Application Lifecycle Prerequisites: Lab 0: Setup github and your environment The code skeleton used from task#3: * Github repository * Task 1 - Create and run an application Create a new Android Project in Android Studio (Start a new Android Studio Project). In the first screen in the Phone and Tablet section, choose Empty Activity. On the sidebar on the left choose Project and open java > student.exam… text/html 2021-03-25T20:41:42+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/02?rev=1616697702&do=diff Objectives * Learn how to communicate between Android components using Intents and Broadcast Receivers * Learn how to listen for events from the system using Broadcast Receivers * Use several types of Intents and Broadcast Receivers inside an app to communicate between activities and to start other apps. text/html 2021-04-08T16:57:48+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/03?rev=1617890268&do=diff Objectives * Learn the basics of how to perform background work in an Android app * Understand the concept of Service as an Android component * Use and differentiate between Started, Bound and Intent services * Understand the services' lifecycle in relation with the app's and its activities' lifecycle text/html 2021-05-12T17:46:24+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/04?rev=1620830784&do=diff Lab 4. Threading in Android Objectives * Learn to execute code on multiple threads in an Android app * Understand and practice the basic way of multi-threading in Android using handlers, runnables and thread pools. * Learn why AsyncTasks are not recommended to be used. text/html 2021-05-18T22:17:28+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/05?rev=1621365448&do=diff Lab 5. HTTP and web services Objectives * Learn to make secure network calls * Understand and practice making network calls using HttpUrlConnection, HttpsUrlConnection * Learn how to use an API using the Retrofit network library * Extra: Securing the app by integrating Firebase authentication services text/html 2021-05-20T21:30:48+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/06?rev=1621535448&do=diff Objectives * Learn about the Android data storage model * Store data in several ways: available to other apps or private to your app * Use shared preferences Android storage model Security of applications' data comes also from the sandboxing mechanism used by the Android system. Using it, not only the executed code is isolated from other apps, but also the data. text/html 2022-04-27T23:37:04+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/07?rev=1651091824&do=diff Jetpack Security library Objectives * Protect the app's data using encryption * Use Android's Keystore to generate and store cryptographic keys * Protect the app's APK using signing * Use Android's KeyStore to generate and store cryptographic keys and use them to sign an app * Verify message integrity using HMAC (hash-based message authentication code) * generate HMAC to sign a message * verify HMAC to check that the received message was not modified text/html 2021-05-13T19:51:02+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/08?rev=1620924662&do=diff Objectives * Protect the app's APK using signing * Use Android's KeyStore to generate and store cryptographic keys and use them to sign an app * Verify message integrity using HMAC (hash-based message authentication code) * generate HMAC to sign a message * verify HMAC to check that the received message was not modified text/html 2019-04-22T09:58:46+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/08_v_temp?rev=1555916326&do=diff Objectives * Protect the app's APK using signing * Use Android's Keystore to generate and store cryptographic keys * Use them to sign an app * Generate HMAC to sign a message * Verify HMAC to check message integrity Application signing If you want to install an application on Android, the apk must be digitally signed with a certificate. For example, when you test your application on the emulator, Android Studio signs the apk with a debug certificate. The first time when you run or d… text/html 2019-06-20T14:23:38+03:00 http://ocw.cs.pub.ro/courses/smd/laboratoare/index?rev=1561029818&do=diff * Lab 1 - Android Basics: Activities * Lab 2 - Android Basics: Intents * Lab 3 - Android Basics: Services * Lab 4 - Android Basics: Threading * Lab 5 - HTTP and Web Services * Lab 6 - Data Storage * Lab 7 - Cryptography * Lab 8 - Cryptography 2