rxwen - 博客园

main thread in android application

摘要： In android sdk document, it's mentioned that all components(Activity, Service, etc) run on the main thread. The main thread is the thread where our code works on.Conventionally, when talk about a Serv... 阅读全文

posted @ 2009-12-04 08:48 rxwen 阅读(524) 评论(0) 推荐(0)

Ex5.1-2 of introduction to algorithms

摘要： A friend asked my idea about the exercise 5.1-2 of introduction to algorithms. Here is the original question:Question:Describe an implementation of the procedure RANDOM(a, b) that only makes calls to ... 阅读全文

posted @ 2009-12-02 08:25 rxwen 阅读(218) 评论(0) 推荐(0)

video player demo in android

摘要： In this post, I'll show some basic operations in android with a simple video player. The demo shows how to:Use explicit intentList video files with ListView, ContentProvider & MediaProvider Retrie... 阅读全文

posted @ 2009-11-30 08:24 rxwen 阅读(551) 评论(0) 推荐(0)

adb for remote connections

摘要： The adb tool in android sdk is convenient utility for debugging and control android emulators. One of its powerful features is it can forward a tcp port on local machine to an emulator running on the ... 阅读全文

posted @ 2009-11-26 14:38 rxwen 阅读(480) 评论(0) 推荐(0)

An basic introduction to SIP

摘要： What is SIPSIP Protocol is one of widely used signaling protocol, with the main purpose of, as its name is abbreviated for, initialization session between several participants. Due to its nature, it'... 阅读全文

posted @ 2009-11-26 08:20 rxwen 阅读(214) 评论(0) 推荐(0)

how to make presentation

摘要： As an IT guy, there are times we need to make technical presentation. How to do it well? I'm no expert in presentation at all, but I'd like to share my two cents through my experience.Face your audien... 阅读全文

posted @ 2009-11-18 08:38 rxwen 阅读(280) 评论(0) 推荐(0)

process agnostic feature

摘要： Being one of the most eye-catching terms today, android has many creative features. The most revolutionary one, in my opinion, is process agnostic. This is not a term used in official document, but I ... 阅读全文

posted @ 2009-11-16 08:43 rxwen 阅读(274) 评论(0) 推荐(0)

native and java performance on android

摘要： A lot of times when I saw someone heard that the main stream developing language on android platform is java, his first response would be "really? what about performance?". I've seen lots of similar r... 阅读全文

posted @ 2009-11-12 08:33 rxwen 阅读(206) 评论(0) 推荐(0)

logging in android

摘要： Android provides a set of powerful log utilities to make our developing life easier. If you've ever used the OutputDebugString function and the DebugView on windows, you'll find they works very simila... 阅读全文

posted @ 2009-11-11 11:42 rxwen 阅读(314) 评论(0) 推荐(0)

native programming on android

摘要： Besides programming with java, we're also able to do native programming with c or c++ on android platform.To do so, we need a cross compiler target on arm processor for our working platform( windows o... 阅读全文

posted @ 2009-11-09 09:31 rxwen 阅读(229) 评论(0) 推荐(0)

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