Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Consejos y Secretos de Programación Android
Search
Sebastian Delmont
June 26, 2012
Programming
3
190
Consejos y Secretos de Programación Android
Campus Party México 2011
Video en
http://www.youtube.com/watch?v=7PwZtmCmuns
Sebastian Delmont
June 26, 2012
Tweet
Share
More Decks by Sebastian Delmont
See All by Sebastian Delmont
Of Buyers & Renters
sd
3
340
Potpourrí Developero
sd
1
240
Mi Camino a Google+
sd
0
83
Android a 2.600 metros
sd
2
190
Maps Want To Be Free
sd
3
440
Potpourrí Developero
sd
3
300
The StreetEasy Geo Stack
sd
1
170
To Google Or Not To Google
sd
3
380
Other Decks in Programming
See All in Programming
Quine, Polyglot, 良いコード
qnighy
4
650
Kaigi on Rails 2024 〜運営の裏側〜
krpk1900
1
240
Amazon Bedrock Agentsを用いてアプリ開発してみた!
har1101
0
340
Creating a Free Video Ad Network on the Edge
mizoguchicoji
0
120
flutterkaigi_2024.pdf
kyoheig3
0
150
Jakarta EE meets AI
ivargrimstad
0
620
Macとオーディオ再生 2024/11/02
yusukeito
0
370
PHP でアセンブリ言語のように書く技術
memory1994
PRO
1
170
Better Code Design in PHP
afilina
PRO
0
130
EMになってからチームの成果を最大化するために取り組んだこと/ Maximize team performance as EM
nashiusagi
0
100
ローコードSaaSのUXを向上させるためのTypeScript
taro28
1
630
Streams APIとTCPフロー制御 / Web Streams API and TCP flow control
tasshi
2
350
Featured
See All Featured
How to train your dragon (web standard)
notwaldorf
88
5.7k
Fantastic passwords and where to find them - at NoRuKo
philnash
50
2.9k
Raft: Consensus for Rubyists
vanstee
136
6.6k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
44
6.8k
Art, The Web, and Tiny UX
lynnandtonic
297
20k
How STYLIGHT went responsive
nonsquared
95
5.2k
Side Projects
sachag
452
42k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
Designing the Hi-DPI Web
ddemaree
280
34k
Thoughts on Productivity
jonyablonski
67
4.3k
Rebuilding a faster, lazier Slack
samanthasiow
79
8.7k
Ruby is Unlike a Banana
tanoku
97
11k
Transcript
Consejos y Secretos de Programación Android +Sebastian Delmont @sd Campus
Party Mexico 2011 Wednesday, July 20, 2011
¿Sebastian Quién? Swift, HootSuite, Gilt, GroupMe, StreetEasy Wednesday, July 20,
2011
1: Recursos Online • d.android.com Articulos, Referencia • stackoverflow.com tag
[android] • github.com/android Ejemplos: Camera App, LinearLayout Wednesday, July 20, 2011
2: Librerías • Android Compatibility Package • Larga lista de
librerías • AppMonk, DroidKit Wednesday, July 20, 2011
3: Eclipse • Optimizar eclipse.ini • Atajos de teclado Search
References - ⇧⌘ G Open Declaration - F3 Quick Outline - ⌘ O Quick Access - ⌘ 3 Open Type - ⇧⌘ T Run Last Launched - ⇧⌘ F11 Wednesday, July 20, 2011
4: ADT • DDMS • Hierarchy Viewer • 9-patch editor
Wednesday, July 20, 2011
5: Desfragmentando • 2.1: 18% 2.2: 60% 2.3: 18% Resto:
4% • 2.1➙2.2: Push, Respaldo, OpenGL • 2.2➙2.3: Audio • 2.3➙3.0: Fragments • Compatibility Package • FragmentationManager Wednesday, July 20, 2011
6: Modelo de Threads • Thread principal (UI) • DNR
• Rendimiento • AsyncTask • Intents y Servicios Wednesday, July 20, 2011
7: Archivos • Interno vs Externo • /sdcard/Android/data • .nomedia
• getExternalFilesDir() 2.2+ Wednesday, July 20, 2011
8: Configuraciones • configChanges ”orientation|keyboardHidden” • onCreate() / onResume() onPause()
/ onStop() • onRetainNonConfigurationInstance() getLastNonConfigurationInstance() Wednesday, July 20, 2011
8: Configuraciones • Preservando el Scroll view = listView.getChildAt() id
= list.getIdForView(view) offset = view.getTop() • Restaurando el Scroll pos = list.getPositionFor(id) listView.setSelectionFromTop(pos, offset) Wednesday, July 20, 2011
9: Imágenes en listas Wednesday, July 20, 2011
9: Imágenes en listas Directo de red Wednesday, July 20,
2011
9: Imágenes en listas Con caché en disco Wednesday, July
20, 2011
9: Imágenes en listas Con caché en disco y caché
en memoria Wednesday, July 20, 2011
9: Imágenes en listas Durante un fling Wednesday, July 20,
2011
9: Imágenes en listas Después del fling Wednesday, July 20,
2011
9: Imágenes en listas Recordar la imagen por omisión Wednesday,
July 20, 2011
10: Layout a la medida • onMeasure • onLayout •
LayoutParams Wednesday, July 20, 2011
11: Tips rápidos • ¿Objetos serializados? HEREJÍA!!! • Layouts anidados
• TextView: Drawables y Spannables • String.format(“%2$d %1$s”, n, x) • Clase Global Wednesday, July 20, 2011
¿Preguntas? +Sebastian Delmont @sd Wednesday, July 20, 2011