/// <summary>
/// Uses the Linux Android.OS.StatFS wrapper call to try and see how many blocks are
/// free/used/available. Results are returned in bytes.
/// </summary>
/// <param name="path">The path to use for the basis of the size check</param>
/// <returns># of bytes free if successful, 0 if none</returns>
public static FileSystemBlockInfo GetFileSystemBlockInfo(string path)
{
var statFs = new StatFs(path);
var fsbi = new FileSystemBlockInfo();
if (Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.JellyBeanMr2)
{
fsbi.Path = path;
fsbi.BlockSizeBytes = statFs.BlockSizeLong;
fsbi.TotalSizeBytes = statFs.BlockCountLong * statFs.BlockSizeLong;
fsbi.AvailableSizeBytes = statFs.AvailableBlocksLong * statFs.BlockSizeLong;
fsbi.FreeSizeBytes = statFs.FreeBlocksLong * statFs.BlockSizeLong;
}
else // this was deprecated in API level 18 (Android 4.3), so if your device is below level 18, this is what will be used instead.
{
fsbi.Path = path;
// disable warning about obsoletes, since earlier versions of Android are using the deprecated versions
// ReSharper disable CSharpWarnings::CS0618
fsbi.BlockSizeBytes = (long)statFs.BlockSize;
fsbi.TotalSizeBytes = (long)statFs.BlockCount * (long)statFs.BlockSize;
fsbi.FreeSizeBytes = (long)statFs.FreeBlocks * (long)statFs.BlockSize;
fsbi.AvailableSizeBytes = (long)statFs.AvailableBlocks * (long)statFs.BlockSize;
// ReSharper restore CSharpWarnings::CS0618
}
return(fsbi);
}
private static FileSystemBlockInfo GetFileSystemBlockInfo()
{
if (!string.IsNullOrWhiteSpace(_path))
{
_fileSystemBlockInfo = ExternalSdStorageHelper.GetFileSystemBlockInfo(_path);
return(_fileSystemBlockInfo);
}
return(null);
}