private static TreeSet<Integer> getAllAvailableProtocolVersionsForAppInfo(
Context context, NativeAppInfo appInfo) {
TreeSet<Integer> allAvailableVersions = new TreeSet<Integer>();
ContentResolver contentResolver = context.getContentResolver();
String[] projection = new String[] {PLATFORM_PROVIDER_VERSION_COLUMN};
Uri uri = buildPlatformProviderVersionURI(appInfo);
Cursor c = null;
try {
c = contentResolver.query(uri, projection, null, null, null);
if (c != null) {
while (c.moveToNext()) {
int version = c.getInt(c.getColumnIndex(PLATFORM_PROVIDER_VERSION_COLUMN));
allAvailableVersions.add(version);
}
}
} finally {
if (c != null) {
c.close();
}
}
return allAvailableVersions;
}
