How Can I Launch One Standalone Java Application from Another?

Launching Separate Standalone Applications in Java

Question:

Designating multiple classes as standalone applications within the same package poses a challenge in starting one from within another. While Android provides Intents, Java lacks a similar mechanism.

Answer:

It is possible to start another standalone application (Application subclass) by directly invoking start() on a newly created instance. However, this approach is discouraged as it violates the intended purpose of start().

Instead, consider refactoring your design. Replace Application subclasses with regular classes that provide modular components. Each component can define a getView() method to retrieve its visual representation. This separation allows for dynamic creation and insertion of modules within standalone applications.

For standalone execution, create an Application subclass that initializes and displays the desired component's view. For integrating modules within a larger application, create a composite module that combines multiple components into a single view. The composite module can then be embedded within a standalone application.

This design approach promotes reusability and clearer application structure.

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