In your manifest’s application tag:
usage:
String user = getMetadata(this, “user);
public static String getMetadata(Context context, String name) {
try {
ApplicationInfo appInfo = context.getPackageManager().getApplicationInfo(
context.getPackageName(), PackageManager.GET_META_DATA);
if (appInfo.metaData != null) {
return appInfo.metaData.getString(name);
}
} catch (PackageManager.NameNotFoundException e) {
// if we can’t find it in the manifest, just return null
}
return null;
}