jar - Android SDK - Other ways? -

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if needed build android sdk other developers can integrate android apps, jarring sdk way go it? far have learnt, jarring has following considerations:

  1. if app uses layout, have create programmatically. since jar files cant carry resources.
  2. the jar needs placed in lib/assets folder , added build path (in eclipse) -- learnt here: android - invoke activity within jar
  3. the main app have create intent object , specify package , class name in jar start activity.

any 1 have other ideas of going of above steps?

thanks george

creating jar is, in opinion, bad decision. android has specific features kind of thing you're looking for. if jar:

  • provides sort of (structured) data used in other applications, use contentprovider;
  • does backround processing , makes processing's results available other applications, use service;
  • provides activity gets input user (or shows information something), processes , returns calling activity, create activity , application able start activity long it's installed on phone.

if use 1 of 3 solutions above, third party apps able probe whether application installed and, if not, prompt user install it. if application not fall 1 of 3 bullet points mentioned above should use jar. otherwise, using contentprovider, service or activity provides:

  • more standardized interaction between components
  • better maintainability -- if update sdk won't have call uses , tell them upgrade.
  • no duplication -- if provide jar , multiple applications use installed on device, multiple copies of jar present on device, using more memory has to. if provide 1 of 3 components mentioned above, 1 copy satisfy applications need use it.

again, these components designed , provided android os creating such sdks. please, use jar if really, really have to. otherwise, provide standardized contentprovider, service or activity , document way it's supposed used (i.e. how use/query/integrate it).


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