Hi friend,

I got another one interesting task in my project.  The task is by default the sleep time in Android ICS was 1 min, we want to set to 30 minutes as default.

If you check in Settings > display > sleep, it will display as 1 minute as default and there will not be any never option.

So now if we want to change the default sleep value while customizing the android, just follow the following steps…

Step 1: open the following xml file… android/frameworks/base/packages/SettingsProvider/res/values/defaults.xml.

Step 2: change the default sleep time value in the line,

<"integer name="def_screen_off_timeout">60000<"/integer">… I changed it to 1800000 (30 minutes)…

Now, if you check in Settings > display > sleep, it will display as 30 minutes as default…

And if you don’t want timeout, set it to ‘-1’ …

Now, if you check in Settings > display > sleep, it won’t show any time out value… :)

Task Completed :) :) :)

Hi friend,

Recently in our project SystemUI was crashing, saying that “Unfortunately, SystemUI has stopped”. I was supposed to fix it, so went through logcat and for found error as follow…

D/dalvikvm( 2120): GC_FOR_ALLOC freed 10K, 7% free 14024K/14983K, paused 10ms

I/dalvikvm-heap( 2120): Forcing collection of SoftReferences for 1587212-byte allocation

D/dalvikvm( 2120): GC_BEFORE_OOM freed 14K, 7% free 14009K/14983K, paused 0ms

E/dalvikvm-heap( 2120): Out of memory on a 1587212-byte allocation.

I/dalvikvm( 2120): "main" prio=5 tid=1 RUNNABLE

………………………………………………………………………………………..……………………………………………..

D/AndroidRuntime( 2120): Shutting down VM

W/dalvikvm( 2120): threadid=1: thread exiting with uncaught exception (group=0xb598b180)

E/AndroidRuntime( 2120): FATAL EXCEPTION: main

E/AndroidRuntime( 2120): java.lang.OutOfMemoryError

…………………………………………………………………………………………………………………………………………

E/AndroidRuntime( 2120):        at dalvik.system.NativeStart.main(Native Method)

W/ActivityManager( 1682):   Force finishing activity 

SOLUTION

The error is the default heap size was not enough, so we need to increase the heap size or decrease the data in the heap to overcome this problem. We planned to increase the heap size. So we mounted the system image and edited the build.prop file in it, and then the problem was solved.

The solution is to increase the dalvik heap size by entering the one line in the build.prop script inside the system folder.

Step 1: use a file explore and open the build.prop file inside the system folder.

Step 2: enter the dalvik.vm.heapsize=32m. (I needed 32 MB of heap, so I specified it as 32… you can modify it as per your need)

Step 3: Restart your android.

The problem solved :)

If you are working with android source code…if you are customizing the android… and you want to solve in the source code… follow the following steps…

Step 1: open the main.mk in the folder android/build/core.

Step 2: enter the line ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.heapsize=32m (I needed 32 MB of heap, so I specified it as 32… you can modify it as per your need) after the line ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.stack-trace-file=/data/anr/traces.txt.

Step 3: save it and rebuilt it… 

The problem solved :)

From that time, I’m following the same, whenever I get out of memory problem ;)

Hi friends,

Lost your GRUB??? don't go to police!!! i will help you... ;)

 

Recently when we installed winXP for testing our project, in the system which has Ubuntu and Win7 already installed... on the Next day, when we are done with testing... I wanted my Ubuntu and win7 back for development work...but when I restarted the system, I found that the GRUB was removed... and it took me half a session to overcome this problem... here is the solution for it now…(Don’t expect something great from me now...half session to Google and find the tool!!!)...

Lost your GRUB??? Here is the solution!!!...

Boot-Repair

This a free tool, to restore the GRUB in your system. When you run this tool, you will get back your last GRUB back, but the OS you installed and all the modification you have made in the system after losing the GRUB will be lost. In my case, I lost win XP... but I got back my Ubuntu and win7...

So here are the steps I followed,

 STEP 1: start the system with live USB or live CD... and get into Try Ubuntu mode... 

 STEP 2: open the terminal in the Ubuntu...

 STEP 3: run

sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update

sudo apt-get install -y boot-repair && boot-repair

STEP 4: reboot the system...

Thats all, now you can see your GRUB!!!...

For more information about BOOT-REPAIR, click here

But the correct method is by doing something in GRUB… but I don’t have that much knowledge in it… so I used BOOT-REPAIR…