Security and Permissions


  • Android security design principles 
  • Permissions 
  • Application signing

Android Security Design Principles 

  • No application, by default, has permission to perform any operations that would adversely impact other applications, the operating system, or the user. 
    • Reading or writing the user's private data (such as contacts or e-mails), Reading or writing another application's files, Performing network access, Keeping the device awake etc 
  • An application's process is a secure sandbox 
    • It can't disrupt other applications, except by explicitly declaring the permissions it needs for additional capabilities not provided by the basic sandbox.

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