Homemade spacecraft

avoiding-memory-leaks

To detect low memory, Use Activity.onLowMemory()

To get memory information, use ActivityManager.MemoryInfo or Debug.getNativeHeapSize()

Without modifying system property, there is no way to increase max heap size.

frameworks/base/core/jni/AndroidRuntime.cpp

AndroidRuntime::startVm()
...
strcpy(heapsizeOptsBuf, "-Xmx");
property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m");
//LOGI("Heap size: %s", heapsizeOptsBuf);
opt.optionString = heapsizeOptsBuf;
mOptions.add(opt);


public void recycle ()
Since: API Level 1

Free up the memory associated with this bitmap’s pixels, and mark the bitmap as “dead”, meaning it will throw an exception if getPixels() or setPixels() is called, and will draw nothing. This operation cannot be reversed, so it should only be called if you are sure there are no further uses for the bitmap. This is an advanced call, and normally need not be called, since the normal GC process will free up this memory when there are no more references to this bitmap.

A Digital Media Primer for Geeks

But I like this project which I could not talk about.

After I changed my desktop monitor, display went unstable.
Finally, after rebooting, I met “Ubuntu is running in low-graphics mode”.

For my Radeon HD 4350, I installed latest ATI driver again, but nothing was improved.

ATI HowTo from ubuntu documentation couldn’t help me.

https://help.ubuntu.com/community/Video

https://help.ubuntu.com/community/BinaryDriverHowto/ATI

$ fglrxinfo
==>returned null display.

I found the Q&A thread “[SOLVED] Stuck in Low graphics mode.” & solved the issue. Thanks, warp99

http://ubuntuforums.org/archive/index.php/t-748716.html

I think the point is resintalling gdm(GNOME display manager).

sudo apt-get update
make sure the update runs to remove the previous repositories then:
sudo apt-get -d install --reinstall gdm
this will only download gdm to our archive, make sure the operation completes correctly before moving to the next step
sudo apt-get remove --purge gdm
when the package is being removed go ahead and stop xserver as the prompts says, then:
sudo apt-get install gdm
Now we have the new gdm installed with a new configuration, next we need to get rid of xgl and the associated files:
sudo apt-get remove --purge xserver-xgl compiz compiz-plugins compiz-core compiz-manager csm cgwd cgwd-themes
then install the following:
sudo apt-get install --reinstall compiz compiz-core compiz-fusion-plugins-extra compiz-fusion-plugins-main compiz-gnome compiz-plugins libcompizconfig0
and finally enter:
sudo dpkg-reconfigure -phigh xserver-xorg
choose the driver 'ati' and when you get to monitor resolution choose the resolution you want to run and any resolution ABOVE that resolution should be removed. Once that is done issue the following:
sudo reboot

http://ie.microsoft.com/testdrive/

http://sputnik.googlelabs.com

I ran the test on chrome browser, 4.0.249.89 (38071) + windows xp sp3 + Lenovo T400.

This is what I’ve got.

Total: 5246
Succeeded: 5028
Failed: 218

If I have that wireshark disector, I would be happier.

It is just a rumor.

Android device which is named “Mirage/Shadow” from Motorola

Video playback in 1080p via HDMI output.
Interesting~~~.

But it looks like for application, screen metrics are 800 x 484, then upscale it to HDMI output with 1080p tv mode.

http://www.droiddog.com/android-blog/2009/12/mirageshadow-1080p-and-hdmi/

Odroid is a handheld game device based on Android & ARM.

The device maker is South Korean company, “Hardkernel“.

This device is helpful for practicing android platform porting & development.

Simple H/W Spec.

Samsung Cortex-A8 833Mhz ARM V7 SoC S5PC100

512MB DDR2 memory

3.5-inch touch screen 720p HD video via HDMI output

WiFi, Bluetooth(No Ethernet)

odroid starting point.

http://dev.odroid.com/projects/odroid

odroid device specification.
http://dev.odroid.com/projects/odroid/wiki/HardwareInformation?action=show&redirect=Hardwareinformation

odroid store.

http://www.hardkernel.com/store.php

Review.
Hackable Android handheld game device uses Cortex-A8 SoC
http://www.linuxfordevices.com/c/a/News/HardKernel-Odroid/

Demo.
odroid 720p demo.

http://gadgetblips.dailyradar.com/video/odroid-android-720p-video-hdmi-out-demo/

It looks like fast growing android made 2 giants to combine their platforms.

App:

Durrant added that developers can create applications for MeeGo and recompile them to run on Symbian. MeeGo will use Nokia’s Qt application development environment. Using Qt, developers can write once to create applications for a variety of devices and platforms, and market them through Nokia’s Ovi Store and Intel’s AppUp Center and Nokia’s Ovi Store.

Telephony Framework: oFono Project

UI Framework: QT, GTK+, Clutter

Review.

-http://reviews.cnet.com/8301-13970_7-10453293-78.html

Reference.

- http://maemo.org
- http://moblin.org
- http://meego.com