Installing an .apk file in android emulator

1. Launch your emulator
2. get an .apk file that you want to install in your emulator
3. navigate to your android-sdk dir and search for adb.exe
4. copy the location of the   adb.exe
5. Right click on my computer and open Advanced Settings and click Environment Variable
6. select Path from System Variables and click on Edit
7. add a semi-colon ';' and Paste the location that we copied
8. open cmd.exe
9. change the directory to where you have the .apk file located.
10. after you have reached the directory type :

            adb install filename.apk

and you are done .

Ubuntu Brightness toggle fix for some laptops

1. open the terminal(ctrl+alt+t)
2. type the command "sudo gedit /etc/default/grub".
3. a new dialog box will open.
4. edit the line "GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"" to "GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor""
5. save the file close the editor
6. run the command "sudo update-grub"
7. and you are set, just reboot.......

ENJOY!!!!


plz hit like if it helped
If you face any kind of problem plz comment and i would love to resolve your problem........