Category Archives: Android

Android difference between task and process

Posted on September 20, 2013 by

Found this area to be pretty murky even though it looks like a pretty common question.  There is no one to one relationship between tasks and process. It can be one or multiple task spread across multiple processes. Easier way … Continue reading →

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Android AVD emulator not starting on Ubuntu

Posted on May 9, 2013 by

Ran into this error where the Android Emulator API 8 or 10 on Ubuntu 12.04 would not start. It just looks like it’s hanging there. The solution is this: in android-sdk you need to rename the libOpenglRender.so library. cd /path/to/android-sdk-linux/tools/lib … Continue reading →

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Android: Adding a default app when building by source

Posted on August 6, 2012 by

I’m building Android for my TAO 3530 board, booting for a SD card, and wanted to install my own app onto the Android “image”. Here is how I did it If you’ve got a built apk place it in: /rootfs/data/app … Continue reading →

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Android: Fragment v4 support exception

Posted on July 17, 2012 by

After trying out fragments without using the v4 support library, I tried a layout using fragments and kept running into this exception. What does this exception mean and how do I fix it? It’s pretty simple. This is the main … Continue reading →

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Android: HelloFragment

Posted on July 13, 2012 by

Created one of the most basic examples of using Fragments. Seems like most people are using Fragments these days so spent some time trying it out. If you’re trying to see a real basic example here is one. https://github.com/fangstar/HelloFragment res/layout/main.xml … Continue reading →

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Android: BroadcastReceiver example of RECEIVE_BOOT_COMPLETED, ACTION_BOOT_COMPLETED

Posted on July 12, 2012 by

As usual right when I ask for help, I realize the error myself. Here is was my question on stackoverflow, http://stackoverflow.com/questions/11460941/broadcast-receiver-not-receiving-action-boot-completed . Ended up I misunderstood the BOOT_COMPLETED concept. Here’s my code on github: https://github.com/fangstar/BootAtStartup

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Android: Preferences – setting default values from prefs.xml

Posted on July 10, 2012 by

I’ve been working on the Marakana Bootcamp Yamba app. Since I don’t keep my emulator up all day, it’s really annoying setting the preferences all the time. Therefore I looked into how to set the default value in the prefs.xml. … Continue reading →

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Android: Common UI View Properties

Posted on June 18, 2012 by

Most likely you’ll only care about these: Layout Width: FILL_PARENT or WRAP_CONTENT (required) Layout Height: FILL_PARENT or WRAP_CONTENT (required) Layout Weight: How greedy (0 default) or generous (1) a widget is.  0 (greedy,  myself first) or 1 (generous yield to everyone … Continue reading →

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Android: Eclipse and Emulator link broken

Posted on June 15, 2012 by

Watching the Marakana Android Bootcamp 2012 videos and noticed a handy fix to something I’ve experienced quite a bit. There are times when Eclipse loses connection and doesn’t realize that there’s an Emulator already running and then tries to start … Continue reading →

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Android: Marakana Android Internal Course

Posted on June 15, 2012 by

Got back from the Marakana Android Internals Course. Whew it was a lot of information and geared more for platform developers who want to know how the OS works how it enforces sandboxing, security, and building a custom ROM. It … Continue reading →

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