If you create a custom activity more than once an exception should be thrown

1. Create new project
2. Try to extend the com.tns.NativeScriptActivity, which is create by tns-core-modules
   Code:

var MyCustomActivityClass = (function (_super) {
    __extends(MyCustomActivityClass, _super);
    function MyCustomActivityClass() {
        _super.call(this);
        return global.__native(this);
    }
    MyCustomActivityClass.prototype.onCreate = function (savedInstanceState) {
     	_super.prototype.onCreate.call(this, false ? savedInstanceState : null);
     	android.util.Log.d("Sbg.Test","we got called from onCreate of custom-activity.js");
    };

    MyCustomActivityClass = __decorate([
        JavaProxy("com.tns.NativeScriptActivity")
    ], MyCustomActivityClass);

    return MyCustomActivityClass;
}(android.app.Activity));

3. Build the app for android tns build android
   Actual: A warning will be logged "Warning: there already is an extend called com.tns.NativeScriptActivity."
   Expected: An exception to be thrown https://github.com/NativeScript/android-runtime/blob/2ab7271d12d56a03e57880a2b1783b08206363ae/test-app/build-tools/static-binding-generator/src/main/java/org/nativescript/staticbindinggenerator/Generator.java#L82

P.S. In some cases the exception is thrown, but this situations are very rare.

Commencez à l’emplacement lié de Generator.java, autour de la ligne 82, et suivez la façon dont les extends dupliqués pour com.tns.NativeScriptActivity sont gérés. Exécutez la reproduction signalée de l’activité personnalisée avec tns build android ; c’est terminé lorsque l’extension dupliquée produit l’Exception attendue au lieu de se contenter de journaliser un avertissement.