import java.io.DataOutputStream; import java.io.FileInputStream; import java.io.IOException; import java.net.InetSocketAddress; import java.net.ServerSocket; import java.net.Socket; public class Server { public static void main(String[] args) { try { ServerSocket server = new ServerSocket(); server.bind(new InetSocketAddress(33336)); Socket socket = server.accept(); //socket.getInetAddress(); DataOutputStream dos = new DataOutputStream(socket.getOutputStream()); FileInputStream fis = new FileInputStream("E:/workspace/android/Server/test.png"); int size = fis.available(); byte[] data = new byte[size]; fis.read(data); dos.writeInt(size); dos.write(data); dos.flush(); dos.close(); fis.close(); socket.close(); server.close(); } catch (IOException e) { e.printStackTrace(); } } }
Android客户端用于接收图片并展示
package com.tw; 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 TestActivity 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.main); imageView = (ImageView) findViewById(R.id.imageView1); 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 socket = null; try { socket = new Socket("192.168.102.67", 33336); DataInputStream dataInput = new DataInputStream( socket.getInputStream()); int size = dataInput.readInt(); byte[] data = new byte[size]; // dataInput.readFully(data); int len = 0; while (len < size) { len += dataInput.read(data, len, size - len); } ByteArrayOutputStream outPut = new ByteArrayOutputStream(); bmp = BitmapFactory.decodeByteArray(data, 0, data.length); bmp.compress(CompressFormat.PNG, 100, outPut); //imageView.setImageBitmap(bmp); 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); }; }; }