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Flex

Moteur de recherche Flex pour vidéos photos podcasts

Jordi -

Tout d’abord c’est quoi Flex ?

Flex est une technologie développée par Macromedia. C’est une technologie serveur, mais au lieu de renvoyer du Html, Flex renvoie du Flash. On a donc toute la puissance graphique de Flash. Flex est une solution de développement puissante permettant la création et le déploiement d’applications RIA (Rich Internet Application).

Flex est une plateforme de développement conçue spécifiquement pour les développeurs et qui s’appuie sur une nouvelle version du langage: ActionScript 3. Une application flex c’est un fichier XML mais dont l’extension est .mxml (m pour Macromedia).  Lorsqu’ un appel est fait au serveur, Flex fait appel à un parseur pour parser (parcourir) le contenu du fichier application.mxml, à chaque tag rencontré, une classe ActionScript (AS3) est instanciée.  Aprés avoir instancié tous les tags contenus dans le fichier application.mxml, le contenu est compilé en swf et  renvoyé dans le navigateur.

Flex Builder 3 est téléchargeable sur le site d’Adobe, il est gratuit:
Page de téléchargement de Flex Builder 3 Professional

Pour étudier les possibilités de Flex, j’ai essayé de développer un moteur de recherche graphique. mirTube offre une technique de visualisation  pour des recherches vidéo, podcats ou photos.

A partir de mots clés mirTube propose des vidéos de YouTube, à partir de chaque video on peut naviguer et rechercher d’autres vidéos relatives à cette video : même tag, même auteur. On peut aussi chercher des photos de Flickr ou des podcasts de mirPod.

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