Our presentation at Droidcon London 2013 : Beef up Android Apps with Java Tools : how to take advantage of 17 years of experience in Java for Android.

1. BEEF UP ANDROID APPS
USING JAVA TOOLS
Stéphane Nicolas &
Jérôme Van Der Linden

2. 2
Jerome Van Der Linden
android-­‐holo-­‐colors.com
jeromevdl
@jeromevdl
+jerome
van
der
linden

3. 3
Stéphane Nicolas
ox
BoundB
And
others
:
RoboDemo,
Quality
Analysis
Tools
for
Android,
android-­‐maven-­‐plugin,
…
stephanenicolas
snicolas
+stephane
nicolas

4. 4

5. 5
1
ONCE UPON A TIME
JAVA ENVIRONMENT

6. 6
4

7. 7
Everything is testable
Everything is measurable
Everything is integrated
No excuses to have poor apps !

8. 8
Great !

9. 9
And me ?!

10. 10
2
WTF ?!
ANDROID IS JAVA !

11. 11
Almost YES…
… a story of
Virtual Machine
So what … ?

12. 12
3

13. Oh Yeah !

14. 14
(almost)
(almost)
Everything is testable
Everything is measurable
BUT
Everything is NOT integrated

15. 15
Quality Tools for Android
http://goo.gl/zGFvda

16. 16
3
Quality Tools Android
Ant

18. 18
4
Quality Tools Android
Maven

19. 19
The magical
plugin
<plugin>!
<groupId>com.jayway.maven.plugins.android.generation2</groupId>
"!
<artifactId>android-maven-plugin</artifactId>!
<version>3.6.1</version>!
</plugin>!

20. 20
The ultimate
profile
# run junit, robotium, robolectric tests and get code coverage!
> mvn clean install –P jacoco!

21. 21
Maven
Profiles
Junit
+
Robo,um
Robolectric
UIAutomator
Code
coverage
standard
emma
cobertura
ui
automator
spoon
jacoco
x2
Quality
checks
(Checkstyle
+
findbugs
+
PMD
+
lint)
Sonar

22. 22
Android Lint
Sonar plugin
# analyse code (pmd, checkstyle, findbugs, lint) and report in sonar!
> mvn sonar:sonar –P jacoco!
hOps://github.com/SonarCommunity/sonar-­‐android

23. 23
Not an archetype
(see akquinet : http://goo.gl/O46LIw)
Only samples
Do not use everything !
Pick up what you need !

24. 24
Return of
real life experience
Maven
Jenkins
Sonar
(PMD,
checkstyle,
findbugs,
lint)
Junit
(Instrumenta[onTestCase)
~
100
screens
(phone
+
tablet)
~
5
developers
during
only
5
months
~
60k
loc
(java),
15k
loc
(xml)
~
400
unit
tests
:
not
an
excep[onal
coverage
(~
30%)
Built
on
each
commit
on
Jenkins
+
Genymo[on
0
lint,
pmd,
findbugs,
checkstyle
viola[ons
1
sonar
report
generated
each
night
with
those
metrics
è
An
happy
customer
J

25. 25
Lessons
learned
A
laborious
development
environment
:
eclipse
+
maven
+
m2eclipse
+
android
m2e
connector
è Many
hours
lost
è
Use
IntelliJ
!
A
laborious
execu[on
environment
:
emulator
è
Too
slow
è
Use
Genymo[on
(or
at
least
a
device)
!
Not
enough
tests
:
è Instrumenta[onTestCase
are
too
heavy/slow
for
Unit
Tes[ng
è Use
Robolectric
and/or
think
about
MV*
paOern
è
Keep
Instrumenta[onTestCase
for
Android
specific
(Ac[vity,
Services,
…)

26. 26
Lessons
learned
A
robust
development
environment
:
eclipse
+
maven
+
m2eclipse
+
android
m2e
connector
è
s[ll
some
problem
with
eclipse
and
maven
integra[on
About
tests
è Instrumenta[onTestCase
are
fast
enough
with
GenyMo[on
è
Robolectric
can’t
give
you
enough
confidence

27. 27
5
Quality Tools Android
Gradle

28. 28
Before
V
0.6
Lint
UIAutomator
Monkey & Monkey Runner
Robolectric
PMD, checkstyle, findbugs
Emma, Cobertura, Jacoco

29. Joke ?!

30. 30
V
0.6.+
Lint
UIAutomator
Monkey & Monkey Runner
Robolectric
PMD, checkstyle, findbugs
Emma, Cobertura, Jacoco

31. 31
Quality
#
#
>
#
>
the gradle way
run junit, robotium, robolectric tests !
AND Chekstyle + PMD + Findbugs + Classycle!
gradle check!
report in sonar!
gradle sonarRunner!

32. 32
6
Conclusion
Android is filling the gap

33. Gradle
Feature
Application Variants &
Manifest merging
Standard
tests
&
Robo,um
Code
Coverage
Robolectric
UI
automator
/
Monkey
/
Monkey
Runner
PMD
/
CheckStyle
/
FindBgugs
/
Classycle
/
Lint
Sonar
&
Project
Sites
0.6.1
VS Maven
Gradle
Maven
?
33
3.6.1

34. Android offers
34
lots of quality tools
lots of testing methods
rapid testing
Everything gets easier
to use
Build rock solid apps

35. 35
Thank You !
Any Question ?
stephanenicolas
jeromevdl
snicolas
@jeromevdl
Stéphane Nicolas &
Jérôme Van Der Linden
+stephane
nicolas
+jerome
van
der
linden

36. 36
Quality Tools for Android
http://goo.gl/zGFvda