All my apps have the same sharedUserId. I would like to start a class of another app using the class of my current app. I want to use intent extras but I do not want to use intent URLs. I also would prefer not to have to change the AndroidManifest of my target activity's app.
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2`All my apps have the same sharedUserId` I would highly suggest not doing that. – Falmarri Jan 22 '11 at 21:51
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It is necessary from a user perspective that logging in to one app logs in to the others as well. I can either lock the login cookie to my sharedUserId or I can make it publicly available to all apps. Also it is not possible to down the road add a sharedUserId to an app that does not have one without requiring an uninstall and loss of data (unless they fix this in future releases). @Falmarri, All that aside, I would still like to know why it is preferred not to use sharedUserId. – 700 Software Jan 22 '11 at 22:19
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`All my apps have the same sharedUserId` : Please don't do this unless there is a strong reason. Having sharedUid means a vulnerability in one app can be used to exploit you other apps too on the same device. – damned Aug 16 '22 at 16:05
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Its pretty easy since you have the sharedUserId set.
Intent res = new Intent();
String mPackage = "com.your.package";
String mClass = ".actYouAreLaunching";
res.setComponent(new ComponentName(mPackage,mPackage+mClass));
startActivity(res);
And that's all there is to it. You can add intent extras like you normally would.
smith324
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3you can omit `new ComponentName(...)` by using `Intent.setClassName(String pack, String className)` – Alexander Malakhov Jul 17 '14 at 04:55