CODEWITHSUNDEEP
jsonxamarin
user3673471
user3673471

Reputation: 1

Writing JSON file in Xamarin PCL

As System.IO.File is not available in Xamarin PCL, I have heard that the only way out of the problem of writing JSON file is to use Streams. However, I haven't found a good link as in how to use them easily. Moreover, is this the only way out or is there anyother method available that can help me in writing output in a JSON format.

Upvotes: 0

Views: 671

Answers (1)

Alessandro Caliaro
Alessandro Caliaro

Reputation: 5768

As @Jason says, you can use PclStorage. Otherwise you can use DependencyService and write your code in Platform specific projects. You can take a look to this repo

TestReadFile

This is something for Android

[assembly: Xamarin.Forms.Dependency(typeof(FilesImplementation))]
namespace TestReadFile.Droid
{
    public class FilesImplementation : IFiles
    {
        public FilesImplementation()
        {
        }


        public string ReadTextFile(string path, string fileName)
        {
            //throw new NotImplementedException();
            using (System.IO.StreamReader sr = new System.IO.StreamReader(System.IO.Path.Combine(path, fileName))){
                string line = sr.ReadToEnd();
                sr.Close();
                return line;
            }
        }

        private string creaFileName(string directory, string fileName) { 
            string path = RootDirectory();
            string file = System.IO.Path.Combine(path, fileName);
            return file;
        }

        public void WriteTextFile(string path, string fileName, string stringToWrite)
        {
            using (System.IO.StreamWriter sw = new System.IO.StreamWriter(System.IO.Path.Combine(path, fileName),false))
            {
                sw.WriteLine(stringToWrite);
                sw.Close();
            }
        }

        public string RootDirectory()
        {
            File path = Android.OS.Environment.GetExternalStoragePublicDirectory(Android.OS.Environment.DirectoryDcim);
            return path.AbsolutePath;
        }
    }
}

And this is PCL interface

public interface IFiles
{
    string ReadTextFile(string path, string fileName);
    void WriteTextFile(string path, string filename, string stringToWrite);
    string RootDirectory();
}

Upvotes: 1

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