Let's assume that I have pre-installed some version of my program on
Android device (/system/app/MyApp.apk)
It has predefined some strings (e.g. my_preinstalled_application_name)
At some point user updates this application with newer version from market
without this custom string.
I want my application in cases it is update to system one extract
this my_preinstalled_application_name and use it.
I've created some code, but stuck how to extract resource from apk:
final PackageManager pm = context.getPackageManager();
> ApplicationInfo appInfo =
> pm.getApplicationInfo(context.getPackageName(),
> PackageManager.GET_DISABLED_COMPONENTS);
> if ((appInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)
> != 0) {
> try {
> File sysApps = new File("/system/app");
> String[] preInstalls = sysApps.list(new
> FilenameFilter() {
> public boolean accept(File dir, String name) {
> if (name.endsWith(".apk")) {
> PackageInfo packageArchiveInfo =
> pm.getPackageArchiveInfo(new File(dir, name).getAbsolutePath(), 0);
> if (packageArchiveInfo != null) {
> if
> (packageArchiveInfo.packageName.equals(context.getPackageName())) {
> // extract string somehow ??????
> return true;
> }
> }
> }
> return false;
> }
> });
> } catch (Exception e) {
> Log.w(TAG, "Error accessing saved affiliation", e);
> }
> }
pm.getResourcesForApplication throws NullPointerException.
Any thoughts?
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