Programming with Android: SDK install and initial setup. Dipartimento di Informatica: Scienza e Ingegneria Università di Bologna

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1 Programming with Android: SDK install and initial setup Luca Bedogni Marco Di Felice Dipartimento di Informatica: Scienza e Ingegneria Università di Bologna

2 SDK and initial setup: Outline Ø Today: How to setup a machine to start developing Android applications An overview of an Android project Some useful tools Your first Android application Maybe on a real device! Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 2

3 Two options Ø Historically Android development was in Eclipse Ø Download the SDK Ø Install the Android plugin Ø Now there is Android Studio Ø Customized environment Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 3

4 Which one? Ø For LAM, it s the same Ø If you already use and love Eclipse, go with it Ø You might see examples done in both platforms Ø You can always import an Eclipse project into Android Studio Ø The inverse is difficult Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 4

5 Android Studio Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 5

Where and how to get it Ø Go to http://developer.android.com/sdk/installing/studio.

6 Where and how to get it Ø Go to Ø Download Android Studio and the SDK Ø Install it and you re done! Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 6

7 Basic requirements Ø How to develop Android applications? Ø Linux/Mac OS X/Windows? Doesn t matter Ø A real device is not mandatory Ø Code your application in the IDE Ø Test it with the emulator Ø Deploy it on a real device Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 7

8 SDK tools Ø Android tool Ø Used to get APIs and add-ons Ø You can also start it from Android Studio Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 8

9 SDK tools Ø Android tool Ø Used to get APIs and add-ons Ø You can also start it from Android Studio Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 9

10 SDK tools Ø Android tool Ø Used to get APIs and add-ons Ø You can also start it from Android Studio Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 10

11 Your first Android application Ø Go to File > New Project Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 11

12 Your first Android application Ø Go to File > New Project Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 12

13 Your first Android application Ø Go to File > New Project Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 13

14 Your first Android application Ø Go to File > New Project Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 14

15 Your first Android application Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 15

16 Testing on the emulator Ø Select Run > Run App Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 16

17 Creating an emulator Ø Can configure several options Ø You can create as many as you want Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 17

18 Did everything went fine? Ø Test in on the emulator Ø You should see something similar to this Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 18

19 Hello world, Android! Ø Anatomy of an application Ø Activity: what is started Ø View: what is seen Ø Intent: how to communicate with others Ø Mix of XML and Java Ø Generally XML for layouts Ø Java for the app logic Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 19

20 The java and res folders Ø All the code of your application Ø The java folder contains the java code! Ø Inside res there are a lot of resources Ø Images Ø Layouts Ø Xml files Ø AndroidManifest.xml Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 20

21 AndroidManifest.xml Ø Mandatory file for every application Ø Contains: Ø Application declaration Ø Permissions Ø Intent filters Ø Targets Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 21

22 How to test Ø Via an AVD Ø Fast, possible to have different resolutions, APIs Ø Not a real device Ø On a real device Ø You get exactly what is deployed Ø Must own a real device Ø So? Ø Test in on AVDs. Ø When you feel that the application is ready, go with a real device Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 22

23 How to deploy Ø Android applications must be signed before installing them on a real device Ø Ø Ø You need a key for this and you can generate one from the menu. Luca Bedogni, Marco Di Felice - Programming with Android SDK install and initial setup 23

Compsci 290.3, Spring 2017 Software Design and Implementation: Mobile Landon Cox Owen Astrachan

Compsci 290.3, Spring 2017 Software Design and Implementation: Mobile Landon Cox Owen Astrachan http://www.cs.duke.edu/courses/spring17/compsci290.3 See also Sakai @ Duke for all information Compsci 290.3/Mobile,