The Nexus One Soft Buttons

The Nexus One phone features four soft buttons, found below the touch screen. These are the most commonly used buttons on the Nexus One phone.

• Name: Back

  
  



• Single press: Go back, close, dismiss keyboard

  
  



• Press and hold: Nothing happens

  
  

• Name: Menu

  
  



• Single press: Display menu

  
  



• Press and hold: Display onscreen keyboard

  
  

• Name: Home

  
  



• Single press: Go to Home Screen

  
  



• Press and hold: Display recent application

  
  

• Name: Search

  
  



• Single press: Go to Home Screen

  
  



• Press and hold: Display search by voice function

  
  

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Source:http://www.dummies.com/how-to/content/the-nexus-one-soft-buttons.html