Alexey Zakaldaev sandboiii

Save GNOME screenshots to custom directory on Linux

If you want to change default screenshot directory to other location, for example "Screenshots" directory.

Execute following command:

gsettings set org.gnome.gnome-screenshot auto-save-directory "file:///home/$USER/Screenshots/"

Have a good day!

Hello, I made a simple instruction on how to fix some Android's UIAutomatorViewer errors which I have encountered on my machine. Here it is:

1. Wrong Java version

-Djava.ext.dirs=/home/user/Android/Sdk/tools/lib/x86_64:/home/user/Android/Sdk/tools/lib is not supported.  Use -classpath instead.
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

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Create pdf file from images

convert image_*.jpg image.pdf

or if you need to sort images:

convert $(ls -1v *.jpg) image.pdf

Compress pdf file

Open shell:

adb shell

List candidates for disabling:

pm list packages | grep '<OEM/Carrier/App Name>'

Disable selected app:

Cut video/audio file

from start to the specified time (-t) parameter:

ffmpeg -t 00:03:59.700 -i video.mp4 -c copy cut.mp4

from the specified time (-ss) parameter to the end:

ffmpeg -ss 00:01:00.700 -i video.mp4 -c copy cut.mp4

Disable audio input for Android Studio Emulator

When using Bluetooth headphones, you may encounter the problem running an emulator in Android Studio, the sound in the headphones switches to low quality.

This is due to the fact that the Android emulator starts using your headphones as a microphone so that you can enter voice commands into Android.

In the vast majority of cases, no one uses voice input on the Android emulator, so it can be disabled through the emulator config file.:

Open the /.android/ folder on your computer (~/.android/ for Linux, /Users/{user_name}/.android/ for Mac and Windows)
Next, open the folder for the emulator you need (/avd/{emulator_name}/)
Edit the file config.ini and replace the item hw.audioInput=yes with hw.audioInput=no

	[Security]
	EAP-Method=PEAP
	EAP-Identity=anonymous
	EAP-PEAP-Phase2-Method=MSCHAPV2
	EAP-PEAP-Phase2-Identity=username
	EAP-PEAP-Phase2-Password=password

	[Settings]
	AutoConnect=true