Android Question java.io.FileNotFoundException: /storage/emulated/0/prov/aaa.txt (No such file or directory)

powerino

Active Member
Licensed User
Why don't works?

this is my code


B4X: 
If File.Exists(File.DirRootExternal,"prov/aaa.txt") Then
        Msgbox("esiste","messaggio")
    Else
        
        record="aaaa|aaaa|aaaa|aaaa|aaaa|aaaa|aaaa|aaaa"
        
        'creo la directory
        File.MakeDir(File.DirRootExternal,"prov")
        
        'salvo i dati
        File.WriteString(File.DirRootExternal,"prov/aaa.txt",record)
        
        
        
    End If
 
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josejad

Expert
Licensed User
Longtime User
Do you have permissions to read File.DirRootExternal?

Runtime Permissions (Android 6.0+ Permissions)

1. Edit: In B4XPages the permission result event signature is: Wait For B4XPage_PermissionResult (Permission As String, Result As Boolean) 2. Important to read: https://www.b4x.com/android/forum/threads/android-jar-targetsdkversion-minsdkversion.87610/#content If the targetSdkVersion is...
www.b4x.com
 
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