package com.example.fdt.client;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
 import java.io.IOException;
import java.net.Socket;

 import android.app.Activity;
        import android.graphics.Bitmap;
        import android.graphics.Bitmap.CompressFormat;
        import android.graphics.BitmapFactory;
        import android.os.Bundle;
        import android.os.Handler;
        import android.view.View;
        import android.view.View.OnClickListener;
        import android.widget.Button;
        import android.widget.ImageView;

public class MainActivity extends Activity {

    private ImageView imageView = null;
    private Bitmap bmp = null;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        imageView = (ImageView) findViewById(R.id.image01);
        Button btn = (Button) findViewById(R.id.button1);
        btn.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {

                Thread t = new Thread() {
                    @Override
                    public void run() {
                        super.run();
                        Socket s = null;
                        try {
                            s= new Socket("192.168.1.100", 9998);
                            DataInputStream dataInput = new DataInputStream(
                                    socket.getInputStream());
                            int size = dataInput.readInt();
                            byte[] data = new byte[size];
                            int len = 0;
                            while (len < size) {
                                len += dataInput.read(data, len, size - len);
                            }

                            ByteArrayOutputStream out = new ByteArrayOutputStream();
                            bmp = BitmapFactory.decodeByteArray(data, 0,
                                    data.length);
                            bmp.compress(CompressFormat.PNG, 100, out);
                            myHandler.obtainMessage().sendToTarget();
                        } catch (IOException e) {
                            e.printStackTrace();
                        } finally {
                            try {
                                socket.close();
                            } catch (IOException e) {
                                e.printStackTrace();
                            }
                        }
                    }
                };
                t.start();
            }
        });
    }

    private Handler myHandler = new Handler(){
        public void handleMessage(android.os.Message msg) {
            imageView.setImageBitmap(bmp);
        };
    };

}