Nelle ultime versioni di b4a dalla 9 in su ho il seguente errore quando compilo in alcuni progetti:
B4A Versione: 9.30
Java Versione: 8
Analisi del Codice. (0.06s)
Building folders structure. (0.02s)
Compilazione del codice. (0.16s)
Compilazione del codice di layouts (0.01s)
Organizzazione Librerie. (0.00s)
(AndroidX SDK)
Analisi del Codice. (0.07s)
Building folders structure. (0.03s)
Compilazione del codice. (0.18s)
Compilazione del codice di layouts (0.03s)
Organizzazione Librerie. (0.00s)
(AndroidX SDK)
Generazione file R. Error
d:\sdk2\sdk\tools\..\extras\b4a_remote\androidx\savedstate\savedstate\1.1.0\unpacked-savedstate-1.1.0\res\values\values.xml:3: error: Found tag id where item is expected
d:\sdk2\sdk\tools\..\extras\b4a_remote\androidx\lifecycle\lifecycle-viewmodel\2.3.1\unpacked-lifecycle-viewmodel-2.3.1\res\values\values.xml:3: error: Found tag id where item is expected
d:\sdk2\sdk\tools\..\extras\b4a_remote\androidx\lifecycle\lifecycle-runtime\2.3.1\unpacked-lifecycle-runtime-2.3.1\res\values\values.xml:3: error: Found tag id where item is expected
B4A includes all the features needed to quickly develop any type of Android app. B4A is used by tens of thousands of developers from all over the world, including companies such as NASA, HP, IBM and others.
Ciao Marco è successo anche a me
Probabilmente hai la JDK 8.xxxx
Devi scaricare la versione 11 superiore.
Purtroppo Oracle ha eliminato il setup della JDK e quindi devi solo copiare le cartelle e far puntare l'ambiente B4a sul nuovo path.
Per il download segui questo link File necessari per B4A
Installando tutte le librerie mancanti col Manager ora ho questo errore
d:\sdk3\resources_06_21\tools\..\extras\b4a_remote\com\android\support\support-compat\28.0.0\unpacked-support-compat-28.0.0\res\values\values.xml:36: error: Attribute "fontProviderFetchStrategy" already defined with incompatible format.
d:\sdk3\resources_06_21\tools\..\extras\b4a_remote\androidx\core\core\1.3.1\unpacked-core-1.3.1\res\values\values.xml:127: Original attribute defined here.
d:\sdk3\resources_06_21\tools\..\extras\b4a_remote\com\android\support\support-compat\28.0.0\unpacked-support-compat-28.0.0\res\values\values.xml:51: error: Attribute "fontProviderFetchTimeout" already defined with incompatible format.
d:\sdk3\resources_06_21\tools\..\extras\b4a_remote\androidx\core\core\1.3.1\unpacked-core-1.3.1\res\values\values.xml:139: Original attribute defined here.
d:\sdk3\resources_06_21\tools\..\extras\b4a_remote\com\android\support\support-compat\28.0.0\unpacked-support-compat-28.0.0\res\values\values.xml:61: error: Attribute "fontStyle" already defined with incompatible format.
d:\sdk3\resources_06_21\tools\..\extras\b4a_remote\androidx\core\core\1.3.1\unpacked-core-1.3.1\res\values\values.xml:147: Original attribute defined here.
Quando ti capita "robaccia" come quella, ciapa uno degli errori (copia il testo) e cercalo su B4X (io uso Google Search, non so se funzionerebbe con la ricerca interna di Xenforo).