How to completely uninstall Android Studio on Mac OS?

Problem:

You have an issue with Android Studio and want to reinstall it. In order to reinstall a fresh instance you need to uninstall the current version first.

Solution:

Execute these commands from the terminal:

rm -Rf /Applications/Android\ Studio.app
rm -Rf ~/Library/Preferences/AndroidStudio*
rm ~/Library/Preferences/com.google.android.studio.plist
rm -Rf ~/Library/Application\ Support/AndroidStudio*
rm -Rf ~/Library/Logs/AndroidStudio*
rm -Rf ~/Library/Caches/AndroidStudio*
rm -Rf ~/.AndroidStudio*

if you would like to delete all projects:

rm -Rf ~/AndroidStudioProjects

to remove gradle related files (caches & wrapper)

rm -Rf ~/.gradle

use the below command to delete all Android Virtual Devices(AVDs) and *.keystore. note: this folder is used by others Android IDE as well, so if you still using other IDE you may not want to delete this folder)

rm -Rf ~/.android

to delete Android SDK tools

rm -Rf ~/Library/Android*

Source: http://stackoverflow.com

How do we make an image look darker using Photoshop?

How do we make an image look darker using Photoshop?

  • Use Ctrl+J to duplicate the image layer
  • Click on the top layer and change the blend mode to either Multiply or Overlay
  • Go to Image > Adjustments > Levels
  • Adjust the middle node (sliding right makes darker image, sliding left makes lighter image) till you get your desired outcome.

How do we change a layer’s opacity?

  • Right click a layer > Blending Options…
  • Change the Opacity value

How do we straighten a photo (transform perspective while cropping)?

  • Hold down the Crop tool and select the Perspective Crop tool
  • Draw a marquee around the distorted object. Match the edges of the marquee to the rectangular edges of the object.
  • Press Enter (Windows) or Return (Mac OS) to complete the perspective crop.

How do we crop a photo with 4×6 ratio?

  • Hold down the Crop tool and select the 2:3 (4:6) from the drop down box on the top panel.
  • Resize the grid to appropriate size.
  • Right click on the image and select Crop.

How do we horizontally straighten a photo?

  • Hold down the Ruler tool and draw a line as the new horizontal.
  • Click Straighten Layer on the top panel.