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I've recently released my first app on the market. I tried to install the app on my phone immediately after it was released. But when installing it I got an error saying that the app was wrongly signed. I also got lots of bad ratings for my app because other people couldn't install it as well.
So my question is: how can I sign my app correctly? Is there any way to test the result before releasing the app on the market?
BTW: I used the built in function of eclipse to export the signed apk file.
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Android requires that all APKs be digitally signed with a certificate before they are installed on a device or updated. If you use Android App Bundles, you need to sign only your app bundle before you upload it to the Play Console, and app signing by Google Play takes care of the rest.
When signing your app, the signing tool attaches the certificate to your app. The certificate associates the APK or app bundle to you and your corresponding private key. This helps Android ensure that any future updates to your app are authentic and come from the original author.
To sign your app using Android Studio, and export an existing app signing key, follow these steps: If you don’t currently have the Generate Signed Bundle or APK dialog open, click Build > Generate Signed Bundle/APK. In the Generate Signed Bundle or APK dialog, select either Android App Bundle or APK and click Next.
Create diversified content and make sure app reviewers have easy access to it at all times. Remember that your strategy should be dynamic with iterations and continual optimization will be the key to finding the perfect balance of different approaches. One of the most important things to do when considering how to market an app is to define KPIs.
You need to create Release Key for Signing your Application.
Step : 1 Right Click Project->Export Application->Select you Project->Next->Select new Keystore -> Complete all rest Steps
Step : 2 Note down your Alias name and Password given.
Step : 3 Now if you Complete all process of Filling Details you will get one .apk file and keystore file in you stored location.
Step : 4 Now Again Right Click Project->Export Application->Select you Project->Next->Use Existing Keystore -> Give location and password->Next
Step : 5 Now you alias name will comes in your Drop Down->Select it -> Enter Password -> Next
Step : 6 It will ask for location to store your final .apk file.
Step : 7 Select your location and store.
Step : 8 Now this Final .apk file is Your Signed Application.
Note : Keep this keystore file for further updated of your Application in Android Market ,also keep track of your Alias name and Password
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