Get Android App Version No and Display in a Text Field

 This is how we get Version Name of Android App from Google PlayConsole.


1.  In onCreate Method

navigationView = findViewById(R.id.nav_view);

if (navigationView != null) {
     getVersionName();
} else {
    // Handle the case when navigationView is null
    Toast.makeText(getApplicationContext(),"Navigation Not Initialized",Toast.LENGTH_LONG).show();
}

2. Now define getVersionName()
private void getVersionName() {
     Menu menu = navigationView.getMenu();
     MenuItem nav_version = menu.findItem(R.id.nav_version);
    PackageInfo pinfo;
    try {
        pinfo = getPackageManager().getPackageInfo(getPackageName(), 0);
        String versionName = "App Version: " + pinfo.versionName;
         nav_version.setTitle(versionName);
    } catch (PackageManager.NameNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}
Here we have added a menu item inside DrawerLayout to display version name. A TextView can also be used to display version name anywhere.

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