Android tutorial - How to Implement Abstract Method in Android Studio | Abstract Method - android studio tutorial



 structure of abstract class and interface
 structure of abstract class
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What Is Abstract Method:

  • The methods without body or methods with only signatures are called abstract methods.
  • The abstract method doesn’t have any implementation details.
  • It is declared using abstract keyword before method name.
  • For example, calling method is an abstract method.
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abstract void calling();
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Syntax: of Abstract Method:

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abstract void method_name();
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Note:

  • In order to use abstract method, we first need to override that method in subclass (i.e. child class).
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Ways to Implement Abstract Method in Android Studio:

Method 1:

  • The manual method for this in android studio is simply go to menu bar click Code -> Generate.
 implementation of abstract class menu selection
  • On clicking will open a pop up then click over Implement Methods.
 android studio abstract class implementation
  • Further a window will open select the methods and click ok, this will implement the abstract method.

Method 2:

  • In this method, just remember the shortcuts for the same task. Control + I will open the window to select implement method and click ok. Same shortcut for Mac also.
 implementation of abstract class window in android

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