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## com.install4j.api.launcher
Class ApplicationLauncher

    java.lang.Object
      com.install4j.api.launcher.ApplicationLauncher

    public class ApplicationLauncher

extends java.lang.Object

This class allows you to launch an installer application, such as an updater, from your own application. It includes a mechanism for the installer application to shut down the invoking application with a "Shutdown calling launcher" action.

In order to use this class, please include `resource/i4jruntime.jar` from your install4j installation into your class path. You do not need to distribute this file along with your application, install4j will do this automatically for you.

Author:
  ej-technologies GmbH

Nested Class Summary
`static interface` | `ApplicationLauncher.Callback` You can implement this interface to receive notifications when the installer application exits or needs to shut down your application.

Constructor Summary
`ApplicationLauncher()`

Method Summary
`static void` | `launchApplication(java.lang.String applicationId, java.lang.String[] arguments, boolean blocking, ApplicationLauncher.Callback callback)` Launch an installer application that you have defined in the install4j IDE.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ApplicationLauncher

    public ApplicationLauncher()

Method Detail

### launchApplication

    public static void launchApplication(java.lang.String applicationId,
                                         java.lang.String[] arguments,
                                         boolean blocking,
                                         ApplicationLauncher.Callback callback)
                                  throws java.io.IOException

  Launch an installer application that you have defined in the install4j IDE.

  Parameters:
    `applicationId` - the ID of the installer application to be launched. You can show the IDs of all installer applications on the "Installer->Screens & actions" tab with the "Show IDs" tool bar button.
    `arguments` - the arguments you want to pass to the installer application. Can be `null` if no arguments should be passed. Arguments like `-Dkey=value` will be passed as JVM parameters, just like when calling the installer application from the command line.
    `blocking` - if this call should block until the installer application exits.
    `callback` - an optional call back for receiving notifications when the installer application exits or when the installer application shuts down this JVM. Can be `null`
  Throws:
    `java.io.IOException` - if there was an error starting the installer application

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