Justin,
So the donate key app doesn't actually implement any logic? The mere
fact that it is an available package on the phone (means that the user
paid money for the download) is the flag that tells the main app to
unlock code features?
Niiiiice.
...Jake
>>>>> "JA" == Justin Anderson <magouyaw...@gmail.com> writes:
JA> I do this with AppSwipe! on the Market. The main app is free and
JA> there is also a donate key app. The package names are as
JA> follows:
JA> AppSwipe!: com.magouyaware.appswipe
JA> Donate Key: com.magouyaware.appswipe2
JA> To determine if the user has paid for additional features I have this
class:
JA> public class AppMode
JA> {
JA> public static boolean isDonateMode(Context context)
JA> {
JA> PackageManager mgr = context.getPackageManager();
JA> int sigMatch = mgr.checkSignatures(context.getPackageName(),
JA> "com.magouyaware.appswipe2");
JA> return sigMatch == PackageManager.SIGNATURE_MATCH;
JA> }
JA> }
JA> And I can do things like this:
JA> if (AppMode.isDonateMode(myContext)
JA> {
JA> //Unlock features here
JA> }
JA> It works quite nicely...
JA> Thanks,
JA> Justin Anderson
JA> MagouyaWare Developer
JA> http://sites.google.com/site/magouyaware
JA> On Wed, Mar 9, 2011 at 8:40 PM, PatternMusic <richardlw...@gmail.com>
wrote:
>> Kindle is allowed to "circumvent the Market" because Amazon is selling
>> "digital
>> content or goods that may be consumed outside of the application itself".
>> This is not the same as unlocking a feature (e.g. the removal of ads) in
>> ones app.
>>
>> See "*Paid and Free Applications" *in* *
>> http://www.android.com/us/developer-content-policy.html
>>
>> There are many apps on the Market that are free but unlock additional
>> features through additional APK downloads from the Market. I don't know
the
>> best practice for an IPC unlock mechanism, but it wouldn't be hard to do,
>> and that would seem to comply with Google's requirement of using the
>> Market's Payment Processor.
>>
>> The imminent in-app payment system will no doubt be prettier.
>>
>> Disclaimer: IANAL.
>>
>> - Richard Lawler
>>
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