How does ApplicationId in Build.Gradle affect my package - android

Hello this is just a technical question.Would appreciate an answer
I uploaded an app this afternoon to the play store using the default com.example but I couldn't as I was told "Its Restricted" so I changed it in my build.gradle to com.fanalcrystal.blah.blah.
I wanna know if I should change my package name in each file to reflect my applicationId as it is over 8hrs and my app is not showing on the play store when viewed on mobile phone but shows on the web store

The files inside your project do not need to use the same namespace as you set for applicationId in build.gradle. The applicationId is just what Google uses to identify your app inside the Play Store.
However, AndroidManifest.xml has a tag called manifest and that tag has an attribute called package. Again, this doesn't have to match the other files, but it is used to reference resources inside those files. For example: com.example.R is the package that allows you to reference a view using R.id.view_name.
I imagine Google's reserved some applicationIds, and I bet these are names like com.example, com.google, com.android, etc.
There are a bunch of reasons that could prevent your app from showing up on your device:
The Play Store caches content, and that cache wont expire at the same time. Eight hours is unusual, but it's not uncommon for app pages accessed on different devices to update over a period of time.
More likely you've done something in your manifest that excludes your device from being able to install your app. You can limit devices by API versions, screen sizes, device architecture, and a bunch of other things. Check out the APK page in publisher part of the store to see if there are any devices excluded.
Hope that helps.

Related

How to temporarily change the package name of an Android app?

I need to temporarily change the package name of an Android app.
The reason I need to do this is because my customer does not yet have a Google Play account, but wants to test the app I've been developing for him. So I want to put it on an internal testing channel using my Play account, but I want to do so under a different package name.
When I develop iOS apps, there is a mechanism in Xcode by which any app can have multiple targets, and each target can have a separate bundle ID, and other properties, creating a unique app from the same source code. Then I can switch between targets at will to produce either version of the app.
What is the correct way to do this in Android?
The answers I've found online suggest that a wholesale refactoring of all the package names in the actual source code files is necessary -- I don't think this is the right answer in my case. I just want to toggle between two package names the same way you would toggle between build variants.
Thanks,
Frank
Use applicationIdSuffix ".demo" to extend the given name (the namespace does not really matter, the package name only has to be unique). One probably cannot completly override the applicationId; the merge output of AndroidManifest.xml would show what is broken.
Better publish to Firebase App Distribution first (can be linked to Play Store).
There the obstacles are generally lower - and one can also see remote crashes.

Android: Is using the same applicationId for multiple stores a good practice?

I am setting up different app flavors for my Android app in order to generate different app versions for different app stores.
Now, I am wondering whether I should better use the same applicationId for all stores, or whether I should always use a new applicationId for a new store?
Will I run into any pitfalls when using the same applicationId for all stores?
I'd suggest you to use the same applicationId. Otherwise users would be able to install multiple versions of your app.
This is from the android documentation about the appliation id:
Every Android app has a unique application ID that looks like a Java package name, such as com.example.myapp. This ID uniquely identifies your app on the device and in Google Play Store.
Some more research led me to the conclusion that using the same applicationId (as proposed by oemel09) is the best option (at least in my case).
That way, the app can't be installed twice on the same phone. (Two apps with the same applicationId can't be installed on one phone.)
However, an app installed from Store X can then be updated with another version of Store Y. This can lead to problems if the app version from Store X is slightly different to the one form Store Y.
Using different certificates (app signing) for the two app stores solves this problem. Different certificates won't allow one store to overwrite the app version of another store.
(In case you, like me, activated App signing by Google Play you won't be able to use the same certificate anyway.)

WearOS: same package name or same applicationId?

The docs for publishing WearOS apps consistently state that:
Ensure that both the watch and phone app modules have the same package name.
However I'm wondering if it actually means applicationId from the build.gradle file instead of package name (my understanding of what package name means is in the package statement at the top of source files - maybe that's wrong?)
The reason I'm wondering this is that another part of the docs say that:
Every Android app has a unique application ID that looks like a Java package name, such as com.example.myapp. This ID uniquely identifies your app on the device and in Google Play Store. If you want to upload a new version of your app, the application ID (and the certificate you sign it with) must be the same as the original APK—if you change the application ID, Google Play Store treats the APK as a completely different app. So once you publish your app, you should never change the application ID.
So, it sounds like it's the applicationId that is important when publishing apps, not the package name. Maybe I'm getting my terminology confused, or maybe the terms 'package name' and 'applicationId' are used interchangeably?
Also, I'm futher confused by the fact that you can have a package attribute in the application element of Manifest (eg package="com.example.myapp") - I currently don't have that so I assume it's optional.
I'm a bit confused, if anyone could clarify what exactly is meant by package name when it says Ensure that both the watch and phone app modules have the same package name that would be great. Thanks :)

Google Play Console - Multiple APK for different country

I explain my problem.
Current situation
We are delivering an application that must be released for 2 separated country, in details i have 2 myApp.apk (package name "com.my.app") built and signing with the same key but both have some hardcoded javascript configurations that are different (not in the manifest but only in the app code).
Build system
We are building with the phonegap service so i haven't the full control on the manifest created.
Goal
Publish the apk diversificate for country visibility.
eg. italian users can see the app "MyApp" which has an IT sever configuration wrote in the code and swiss users can see them app called with the same name but that contains different configuration.
What we tried
In the play console i tried to add another app project calling it with a different name (with the same package name of the previous one just published) but when i finish the upload google said me that currently an application with the name "com.my.app" already exist
Question
Is exist a way to diversificate the second application based on the delivery country?
Thanks in advance
You cannot have two apps with the same package name targeted on country. This answer gives a good explanation on why.
So you have two options:
Release your app with two different package names, eg com.myapp.it and com.myapp.de
Have your app change configuration based on country using something like Firebase Remote Config
Which answer will be best depends on the use case. For your use case, the second option sounds best.

Android Api Key

I have Android Apps A and B waiting to be published on Android Play-store.Is it possible to keep same fingerprint for multiple Apps, with different package names?
This is to allow Just one of the two Apps to be installable in a supporting device. How to do this
I could use the same fingerprint to publish apps in Play-Store. But I was able to do an Install of both the Apps on the same phone.This is not what was intended. Any Solution ?
The application ID is what distinguishes apps on your device and in Google Play. I don't think it is possible to force only one app to be installed at a time if they have different application ID. Android has an "application ID" which is used to uniquely identify your app. It has nothing to do with what keystore is used to sign the APK.
But, the application ID is not necessarily the package name. An excerpt from the docs:
Although your project's package name matches the application ID by default, you can change it. However, if you want to change your package name, be aware that the package name (as defined by your project directory structure) should always match the package attribute in the AndroidManifest.xml file
So you can have two different apps with the same application ID, but different package names. And then only one of them could be installed on a device. I'm not sure if that's what you're going for, though.
And I'm not sure that your reasoning for doing this is great. Maybe you can expand upon what you mean by
This is to allow Just one of the two Apps to be installable in a supporting device.
so that maybe someone can suggest a better alternative for your situation.

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