My app was working fine with position updates on a device with 5.1.
Since then, I made two things: Generating a signed apk. Trying to deploy it to a 6.0 device.
I don't know what happened, but now google api's are not working even on my original device.
This is the part of the error log I think where problem is:
V/GoogleSignatureVerifier: com.google.android.gms signature not valid. Found: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05-18 11:44:43.691 2786-2865/born.speedsteer03 E/DynamiteModule: Failed to load module descriptor class: Didn't find class "com.google.android.gms.dynamite.descriptors.com.google.android.gms.googlecertificates.ModuleDescriptor" on path: DexPathList[[zip file "/data/app/born.speedsteer03-2/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
05-18 11:44:43.696 2786-2865/born.speedsteer03 I/DynamiteModule: Considering local module com.google.android.gms.googlecertificates:0 and remote module com.google.android.gms.googlecertificates:1
There are a several reasons why your google maps may not be working, the most common issue being no Google Map API key set or set incorrectly. To use the Google Maps JavaScript API, you must register your app project on the Google Cloud Platform Console and get a Google API key which you can add to your app.
The signing process uses an encryption algorithm to combine the URL and your shared secret. The resulting unique signature allows our servers to verify that any site generating requests using your API key is authorized to do so.
To confirm the key is associated with the project: Go to the Credentials section, which can be accessed from the left side bar under Google Maps Platform > Credentials. Check that the API key you currently use on your website is listed.
API keys have multiple dependencies that can result in errors like: "The user is not authorized for this operation based on …". Please make sure you are using the correct credentials and endpoint with the correct API key.
Well if I'm not wrong you might have configured some hash key (Shah 1)at Google api console to use Google APIs.
Its working on your simulator or device through debug keystore(its a certificate) because you configured key is debug keystore one.
Now you have generated signed apk and installed, you need add signed keystore Sha1 key to at Google api console.
Story is debug keystore sha1 you can use for development purpose. If generate singed apk file you need it's sha1 separately.
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