import android.graphics.Bitmap;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.util.Hashtable;

import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.*;
import com.google.zxing.qrcode.QRCodeWriter;

public class Test3 {


    public static void syncEncodeQRCode() {
        Charset charset = Charset.forName("UTF-8");
        CharsetEncoder encoder = charset.newEncoder();
        byte[] b = null;
        try {
            // Convert a string to UTF-8 bytes in a ByteBuffer
            ByteBuffer bbuf = encoder.encode(CharBuffer.wrap("utf 8
            characters - i used hebrew, but you should write some of your own
            language characters"));
            b = bbuf.array();
        } catch (CharacterCodingException e) {
            System.out.println(e.getMessage());
        }

        String data;
        try {
            data = new String(b, "UTF-8");
            // get a byte matrix for the data
            BitMatrix matrix = null;
            int h = 100;
            int w = 100;
            com.google.zxing.Writer writer = new MultiFormatWriter();
            try {
                Hashtable<EncodeHintType, String> hints = new
                Hashtable<EncodeHintType, String>(2);
                hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
                matrix = new QRCodeWriter().encode(data,
                com.google.zxing.BarcodeFormat.QR_CODE, w, h, hints);
            } catch (com.google.zxing.WriterException e) {
                System.out.println(e.getMessage());
            }

            // change this path to match yours (this is my mac home folder,
            you can use: c:\qr_png.png if you are on windows)
            String filePath = "/Users/shaybc/Desktop/OutlookQR/qr_png.png";
            File file = new File(filePath);
            try {
                MatrixToImageWriter.writeToFile(matrix, "PNG", file);
                System.out.println("printing to " + file.getAbsolutePath());
            } catch (IOException e) {
                System.out.println(e.getMessage());
            }
        } catch (UnsupportedEncodingException e) {
            System.out.println(e.getMessage());
        }
    }
}