Problemi implementazione google maps...

[chri13]

Salve a tutti,
sto cercando disperatamente di implementare google maps in un'applicazione..
Fin ora la miglior guida (con passi elementari e spiegati molto bene) che ho trovato, è la seguente:
http://www.google.it/url?sa=t&rct=j&...75097201,d.bGQ
dove è possibile scaricare un pdf...

Ho seguito tutti i passi descritti con la massima attenzione, ho testato la mia app in un device ma l'app crusha...
Inoltre se faccio il clean soltanto sulla mia applicazione allora sembra andare a buon fine, mentre se faccio il clean della mia applicazione insieme alla cartella appcompat_v7 mi vengono mostrati i seguenti errori:

Errors occurred during the build.
Errors running builder 'Android Package Builder' on project 'appcompat_v7'.
Problems encountered while deleting resources.
Could not delete 'C:\Users\Christian\Desktop\maps\appcompat_v7\bin\ appcompat_v7.jar'.
Problems encountered while deleting files.
Could not delete: C:\Users\Christian\Desktop\maps\appcompat_v7\bin\a ppcompat_v7.jar.
Problems encountered while deleting resources.
Could not delete 'C:\Users\Christian\Desktop\maps\appcompat_v7\bin\ appcompat_v7.jar'.
Problems encountered while deleting files.
Could not delete: C:\Users\Christian\Desktop\maps\appcompat_v7\bin\a ppcompat_v7.jar.
Errors running builder 'Android Package Builder' on project 'google-play-services_lib'.
Problems encountered while deleting resources.
Could not delete 'C:\Users\Christian\Desktop\Christian\Android\adt-bundle-windows-x86_64-20140702\adt-bundle-windows-x86_64-20140702\sdk\extras\google\google_play_services\li bproject\google-play-services_lib\bin\google-play-services_lib.jar'.
Problems encountered while deleting files.
Could not delete: C:\Users\Christian\Desktop\Christian\Android\adt-bundle-windows-x86_64-20140702\adt-bundle-windows-x86_64-20140702\sdk\extras\google\google_play_services\li bproject\google-play-services_lib\bin\google-play-services_lib.jar.
Problems encountered while deleting resources.
Could not delete 'C:\Users\Christian\Desktop\Christian\Android\adt-bundle-windows-x86_64-20140702\adt-bundle-windows-x86_64-20140702\sdk\extras\google\google_play_services\li bproject\google-play-services_lib\bin\google-play-services_lib.jar'.
Problems encountered while deleting files.
Could not delete: C:\Users\Christian\Desktop\Christian\Android\adt-bundle-windows-x86_64-20140702\adt-bundle-windows-x86_64-20140702\sdk\extras\google\google_play_services\li bproject\google-play-services_lib\bin\google-play-services_lib.jar.

Qualcuno saprebbe spiegarmi il motivo, o perlomeno indirizzarmi ad una guida semplice ed elementare su come implementare google maps?


Vi ringrazio molto...

[Xerxes]

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Inviato dal mio Galaxy Nexus usando Androidiani App