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
210
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
コミュニティ駆動 AWS CDK ライブラリ「Open Constructs Library」 / community-cdk-library
gotok365
2
260
ナレッジイネイブリングにAIを活用してみる ゆるSRE勉強会 #9
nealle
0
170
技術を改善し続ける
gumioji
0
180
お前もAI鬼にならないか?👹Bolt & Cursor & Supabase & Vercelで人間をやめるぞ、ジョジョー!👺
taishiyade
7
4.2k
生成AIで加速するテスト実装 - ロリポップ for Gamersの事例と 生成AIエディタの活用
kinosuke01
0
140
Webフレームワークとともに利用するWeb components / JSConf.jp おかわり
spring_raining
1
130
Kotlinの開発でも AIをいい感じに使いたい / Making the Most of AI in Kotlin Development
kohii00
5
1.8k
『テスト書いた方が開発が早いじゃん』を解き明かす #phpcon_nagoya
o0h
PRO
9
2.6k
たのしいSocketのしくみ / Socket Under a Microscope
coe401_
8
1.4k
.NET Frameworkでも汎用ホストが使いたい!
tomokusaba
0
210
推しメソッドsource_locationのしくみを探る - はじめてRubyのコードを読んでみた
nobu09
2
350
AIプログラミング雑キャッチアップ
yuheinakasaka
20
5.1k
Featured
See All Featured
Rebuilding a faster, lazier Slack
samanthasiow
80
8.9k
The Cult of Friendly URLs
andyhume
78
6.2k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
Measuring & Analyzing Core Web Vitals
bluesmoon
6
260
Why You Should Never Use an ORM
jnunemaker
PRO
55
9.2k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.7k
4 Signs Your Business is Dying
shpigford
183
22k
Testing 201, or: Great Expectations
jmmastey
42
7.2k
Thoughts on Productivity
jonyablonski
69
4.5k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
49k
Gamification - CAS2011
davidbonilla
80
5.2k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
33
2.8k
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