From the monthly archives: October 2011

How to Port ffmpeg (the Program) to Android–Ideas and Thoughts

By On October 18, 2011 · 30 Comments

Why ffmpeg for Android and The App

I was working on a project that requires transcoding of video files and then play these files on Android device. The definite tool to do this is ffmpeg. I can do it on Desktop and transfer the files to Android, but why not just transcode on Android itself?

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A Quick Note on Error Recovery for Streaming Applications

By On October 12, 2011 · Leave a Comment

There’re generally 3 ways to recover error caused by Internet transmission, including Retransmission, Redundant Data, and Error Concealment.

Retransmission

Retransmission is easy to understand. Just resend the packet that is lost or has error. It has the following pros and cons,

Pros:

Retransmission resends the entire packet, so the data error/lost is repaired accurately. [...]

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Android PhoneStateListener Illustration–with Auto Logging Calls to Google Calendar Example

By On October 8, 2011 · 4 Comments

android.telephony.PhoneStateListener class is provided to monitor various state changes related to phone function of your Android device.

In order to use it, one needs to complete the following steps.

0. Extends the PhoneStateListener listener class, and override the methods for the state you want to receive updates.

1. Pass your customized PhoneStateListener instance to [...]

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Android Tutorial–Customized Radio Button List

By On October 7, 2011 · 2 Comments

Radio buttons are almost always used to represent single choice from a list of items. Android is no exception to that.

Android provides two ways to use radio buttons. At a higher level, it allows one to use radio button list in ListActivity by setting the choice mode, as indicated in the code below,

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