Upgrade to PRO for Only $50/Year—Limited-Time Offer! 🔥
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
350
Potpourrí Developero
sd
1
250
Mi Camino a Google+
sd
0
95
Android a 2.600 metros
sd
2
250
Maps Want To Be Free
sd
3
450
Potpourrí Developero
sd
3
300
The StreetEasy Geo Stack
sd
1
180
To Google Or Not To Google
sd
3
390
Other Decks in Programming
See All in Programming
バックエンドエンジニアによる Amebaブログ K8s 基盤への CronJobの導入・運用経験
sunabig
0
140
認証・認可の基本を学ぼう前編
kouyuume
0
190
関数実行の裏側では何が起きているのか?
minop1205
1
670
Go コードベースの構成と AI コンテキスト定義
andpad
0
120
AIコーディングエージェント(Manus)
kondai24
0
160
connect-python: convenient protobuf RPC for Python
anuraaga
0
380
堅牢なフロントエンドテスト基盤を構築するために行った取り組み
shogo4131
8
2.2k
LLM Çağında Backend Olmak: 10 Milyon Prompt'u Milisaniyede Sorgulamak
selcukusta
0
110
Navigation 3: 적응형 UI를 위한 앱 탐색
fornewid
1
210
Microservices rules: What good looks like
cer
PRO
0
1.1k
20 years of Symfony, what's next?
fabpot
2
340
STYLE
koic
0
140
Featured
See All Featured
Code Review Best Practice
trishagee
74
19k
How to Ace a Technical Interview
jacobian
280
24k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Context Engineering - Making Every Token Count
addyosmani
9
490
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4.1k
Building Better People: How to give real-time feedback that sticks.
wjessup
370
20k
Java REST API Framework Comparison - PWX 2021
mraible
34
9k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
21
1.3k
Building Applications with DynamoDB
mza
96
6.8k
Product Roadmaps are Hard
iamctodd
PRO
55
12k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
31
9.8k
Thoughts on Productivity
jonyablonski
73
5k
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