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Backgrounder is a Mobile Substrate-based extension to Apple's SpringBoard application launcher that allows applications to run in the background (applications are normally terminated upon suspension).
Usage
Enable backgrounding for an application
Backgrounding can be enabled via one of two methods:
1. Per-instance
To enable backgrounding for the currently-running instance of an application, press and hold the menu/home button until a message pops-up stating "Backgrounding Enabled".
Note that only the current instance will be affected; if the application is terminated and relaunched, the new instance will not have backgrounding enabled.
2. By default
To specify that certain applications should have backgrounding enabled by default, create the following preferences file:
/var/mobile/Library/Preferences/jp.ashikase.backgrounder.plist
... with the following format, where the values represent the bundle identifiers of the applications that are to be enabled:
change all [ and ] to > and >
[plist version="1.0"]
[dict]
[key]enabled_apps[/key]
[array] [string>com.apple.weathercom.apple.calculator[/array]
[/dict]
[/plist]
Disable backgrounding / Properly terminate an application
To properly terminate an application instance that has backgrounding enabled, press and hold the menu/home button until a message pops-up stating "Backgrounding Disabled".
Limitations & Warnings
Some applications may use the suspend/resume methods to perform important tasks, such as saving preferences. If the application is not properly terminated, these tasks may never be run.
While this extension should work for all applications, it is recommended to use it only for background-enabling AppStore applications (which are not allowed to include backgrounding code).
If you wish to run a non-AppStore 3rd-party application in the background, it is suggested that you contact the author of the application and request that proper background support be added.
