Is it possible to extract the version_name using the version_code of an android package?

Is it possible to retrieve the version_name by using the version_code of an Android package?

For instance: 'com.nianticlabs.pokemongo' version_code: 2017121800 => version_name: 0.87.5

I'm looking for a function that can accomplish this:

function getVersionName(version_code) {
   // manipulate version_code
   return version_name;
}

Answer №1

It is important to note that obtaining one value does not necessarily depend on the other; these are distinct entities – a string and an integer.

When working with native Java, you can utilize the following methods:

public static int getVersionCode(Context context) {
    try {
        PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionCode;
    } catch (PackageManager.NameNotFoundException e) {
        return -1;
    }
}

public static String getVersionName(Context context) {
    try {
        PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionName;
    } catch (PackageManager.NameNotFoundException e) {
        return "";
    }
}

You may need to explore the equivalent functionality within the JavaScript Google API for similar results.

Answer №2

Simplest method for retrieving version name:

 public String retrieveVersionName() {

            currentVersion = BuildConfig.VERSION_NAME;
            return currentVersion;
        }

Answer №3

It is not feasible in most cases. Each application has the freedom to decide on its own version name (a string that users can read) and version code system. Some apps may even have two APKs with different version codes but identical version names. For more information, visit the official documentation.

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