Android SDK contains different types of Dialogs. These dialogs include following:
• Dialog: Base class for all dialogs as shown in figure. It is usually used to inform user and is the simplest form of a dialog.
• AlertDialog: This dialog contains a number of buttons as shown in figure. It is used to get user confirmation on some specific operations like delete a file.
• CharacterPickerDialog: It is used to pick an accented character that is associated with base character.