Right, but is there a way to load these dynamically, given another manifest file? Can I edit my manifest file on the fly and inject the activities of the .apk I want to load? Or can I adjust the context I'm running in so the downloaded .apk's manifest is used instead of my own until it is removed from the application stack?
On Mar 23, 7:54 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > http://code.google.com/android/devel/bblocks-manifest.html > > "Every Activity must have an <activity> tag in the manifest whether it > is exposed to the world or intended for use only within its own > package. If an Activity has no matching tag in the manifest, you won't > be able to launch it." > > On Mar 23, 3:17 pm, Ben Dodson <[EMAIL PROTECTED]> wrote: > > > Well it looks like I jumped the gun.. no, I haven't yet been able to > > launch an activity from my data folder. I can load classes from them > > with the PathClassLoader, but can't call an activity. I think I need > > to somehow create a new Context with my PathClassLoader as the > > ClassLoader. Then use this context to run: > > > Context packageContext = > > context.createPackageContext(mclassname.substring(mclassname.lastIndexOf(". > > ")), > > Context.CONTEXT_IGNORE_SECURITY); > > intent = new Intent(); > > intent.setClass(packageContext, m_class); > > > no luck yet on creating that context.. I'm not positive this is the > > way to go, but it's my best guess for now. > > > Is it possible to load the contents of a foreign .apk's manifest file > > into the current context? > > > On Mar 23, 2:15 pm, tu <[EMAIL PROTECTED]> wrote: > > > > Can you launch an activity defined in "/data/data/my.app/files/test.apk" > > > ?! > > > For start an acitivity in a installed apk, just use > > > Intent.setClassName(packageName, > > > foreignClassName) > > > > 2008/3/23, Ben Dodson <[EMAIL PROTECTED]>: > > > > > Well thanks for the help, I made some good progress on this once I > > > > realized I needed the full path to the apk file (/data/data/my.app/ > > > > files/test.apk) > > > > > Now I'm able to load classes dynamically using the PathClassLoader and > > > > instantiate/run methods on them. Dependency classes also load with no > > > > problem, including the R class. > > > > > I'm still stuck on the last step of running an activity from > > > > another .apk. I've tried two main approaches. One is to use > > > > startActivity(this, foreignClass), so the context is that of the > > > > calling app. The result: > > > > > ERROR/lobos(796): java.lang.RuntimeException: Not supported in system > > > > context > > > > ERROR/lobos(796): at > > > > android.app.ApplicationContext.getPackageName(ApplicationContext.java: > > > > 312) > > > > ERROR/lobos(796): at > > > > android.content.ComponentName.<init>(ComponentName.java:74) > > > > ERROR/lobos(796): at android.content.Intent.setClass(Intent.java: > > > > 2740) > > > > [...] > > > > > I also tried instantiating the foreignClass (extends Activity) and > > > > using that as the context: > > > > > ERROR/lobos(794): at > > > > android.app.Activity.startSubActivity(Activity.java:1935) > > > > ERROR/lobos(794): at > > > > android.app.Activity.startActivity(Activity.java:1978) > > > > ERROR/lobos(794): at > > > > com.lobos.app.LobosAPKApp.launch(LobosAPKApp.java:68) > > > > > I'm sure there's a pretty hefty piece I'm not handling, but any ideas > > > > what? > > > > > I tried overriding the getPackageName method > > > > > On Mar 19, 12:33 pm, tu <[EMAIL PROTECTED]> wrote: > > > > > Yes, an apk file can be put into assets folder or any accessible > > > > > path! I > > > > > have been working on it over 2 months. I can download an apk file by > > > > http > > > > > and run code or use its resources dynamically, including version > > > > > control > > > > > features. It's a platfrom similar to OSGi or EclispeRCP. Now nearly > > > > > everything goes smoothly. > > > > > > 2008/3/19, Peli <[EMAIL PROTECTED]>: > > > > > > > This sounds interesting. Can an apk file be put into the lib or > > > > > > assets > > > > > > folder? If yes, then this would be an alternative to lib/jar for > > > > > > including widgets with graphics and code... > > > > > > > Peli > > > > > > > On Mar 19, 3:14 pm, Ben Dodson <[EMAIL PROTECTED]> wrote: > > > > > > > Thanks a ton, I'll play with this tonight and see how it goes. > > > > > > > > Ben > > > > > > > > On Mar 18, 4:46 pm, hackbod <[EMAIL PROTECTED]> wrote: > > > > > > > > > You should be able to use android.lang.PathClassLoader to > > > > > > > > create a > > > > > > > > class loader for .apk. Just make an instance of the object with > > > > the > > > > > > > > full path the .apk and, if desired, a parent class loader that > > > > > > > > it > > > > > > > > links with or ClassLoader.getSystemClassLoader().getParent() for > > > > just > > > > > > > > the frameworks. > > > > > > > > > You can also load the resources from the .apk with code like > > > > > > > > this: > > > > > > > > > AssetManager assets = new AssetManager(); > > > > > > > > assets.addAssetPath(apkPath); > > > > > > > > Resources r = new Resources(assets, myMetrics, > > > > > > > > myConfiguration); > > > > > > > > > On Mar 18, 11:57 am, Ben Dodson <[EMAIL PROTECTED]> wrote: > > > > > > > > > > That sounds like exactly what we're hoping to do. Can you > > > > > > > > > point > > > > my > > > > > > > > > towards any references for how to load the code from the > > > > filesystem? > > > > > > > > > > Thanks, > > > > > > > > > Ben > > > > > > > > > > On Mar 18, 1:06 pm, hackbod <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > Hi Ben, > > > > > > > > > > > The package install API is still under development, and may > > > > not be > > > > > > > > > > working. I think right now the install package permission > > > > > > > > > > is > > > > also > > > > > > > > > > only allowed for built-in applications, since it will allow > > > > you to > > > > > > > > > > circumvent the permission system by deciding which > > > > > > > > > > permissions > > > > to > > > > > > > > > > allow: this API is really intended for use by a > > > > graphicalinstaller > > > > > > > > > > that is included with a shipping device, and when third > > > > > > > > > > party > > > > apps > > > > > > > > > > want to install something we will probably have an activity > > > > they > > > > > > can > > > > > > > > > > launch to do so (to ensure the user is always involved in > > > > > > > > > > this > > > > > > > > > > process). > > > > > > > > > > > I don't understand what you mean by your app being the > > > > > > > > > > launch > > > > > > point of > > > > > > > > > > other applications. Do you mean you want to make your own > > > > private > > > > > > > > > > world of applications that others don't see? If so, I > > > > > > > > > > really > > > > > > don't > > > > > > > > > > think you want to use this API: this is for installing > > > > top-level > > > > > > > > > > applications in to the system. If you want to manage > > > > applications > > > > > > > > > > yourself, you can just put their code into your private file > > > > area, > > > > > > use > > > > > > > > > > the function to parse the manifest if you want, and load > > > > > > > > > > that > > > > code > > > > > > > > > > directly yourself. > > > > > > > > > > > On Mar 18, 6:14 am, Ben Dodson <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > I'm trying to write an app that can install other > > > > applications. > > > > > > I came > > > > > > > > > > > across the installPackage() method and tried to give it > > > > > > > > > > > the > > > > URI > > > > > > of > > > > > > > > > > > a .apk file on the web, but I'm getting a permission > > > > > > > > > > > denied > > > > > > error. I > > > > > > > > > > > have what I think should be the correct permissions in my > > > > > > manifest: > > > > > > > > > > > > </uses-permission><uses-permission > > > > > > > > > > > android:name="android.permission.INSTALL_PACKAGES"> > > > > > > > > > > > </uses-permission><uses-permission > > > > > > > > > > > android:name="android.permission.DELETE_PACKAGES"> > > > > > > > > > > > > is there anything else I need? should this method work? > > > > > > > > > > > > Also, I want my application to be the launch point of > > > > > > > > > > > these > > > > > > other > > > > > > > > > > > apps, and I would prefer them to not show up in the main > > > > listing > > > > > > of > > > > > > > > > > > programs. Is this possible? > > > > > > > > > > > > Thanks, > > > > > > > > > > > Ben --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. 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