[Android ] Device Admin

1. Docs
   
   • http://developer.android.com/guide/topics/admin/device-admin.html
     
2. Samples
• http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/app/DeviceAdminSample.html
  
3. Features
   
• Password enabled.
• Minimum password length
• Alphanumeric password required
• Maximum failed password attempts
  
• Maximum inactivity time lock
• Prompt user to set a new password.
• Lock device immediately.
• Wipe the device's data (that is, restore the device to its factory defaults).
4. Important Classes
• DevicePolicyManager
  
• DeviceAdminReceiver
  
5. Issue
   After you app becomes device's administrator, you can't uninstall it, unless you remove it first from administrators' list as following: Settings > Location & Security > Select device administrators, and then untick the app in listview!
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