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Android Interview Questions

Q   |   QA

Android Application Architecture has the following components:

  • Services like Network Operation
  • Intent - To perform inter-communication between activities or services
  • Resource Externalization - such as strings and graphics
  • Notification signaling users - light, sound, icon, notification, dialog etc.
  • Content Providers - They share data between applications

  • AlertDialog: An alert dialog box supports 0 to 3 buttons and a list of selectable elements, including check boxes and radio buttons. Among the other dialog boxes, the most suggested dialog box is the alert dialog box.
  • ProgressDialog: This dialog box displays a progress wheel or a progress bar. It is an extension of AlertDialog and supports adding buttons.
  • DatePickerDialog: This dialog box is used for selecting a date by the user.
  • TimePickerDialog: This dialog box is used for selecting time by the user.

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