Android Open Source - android_opengles Chat Activity

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License

The source code is released under:

MIT License

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Java Source Code

package com.nfg.wifidirect3p;
//from   w w  w  . j  a  v a2 s . c  o  m
import java.net.URI;
import java.net.URISyntaxException;

import org.java_websocket.client.WebSocketClient;
import org.java_websocket.handshake.ServerHandshake;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.nfg.sdk.NFGameServer;

public class ChatActivity extends Activity implements OnClickListener {

  public static final String EXTRA_ADDRESS = "ChatActivity.EXTRA_ADDRESS";

  private TextView mTextView;
  private EditText mEditText;
  private Button mButton;

  private Handler mHandler;

  private ChatClient mChatClient;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.chat);
    mTextView = (TextView) findViewById(R.id.text);
    mEditText = (EditText) findViewById(R.id.edit);
    mButton = (Button) findViewById(R.id.button);
    mButton.setOnClickListener(this);

    mHandler = new Handler();

    String address = getIntent().getStringExtra(EXTRA_ADDRESS);
    try {
      mChatClient = new ChatClient(new URI("ws://" + address + ":" + NFGameServer.DEFAULT_PORT));
      mChatClient.connect();
    } catch (URISyntaxException e) {
      e.printStackTrace();
    }
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    if (mChatClient != null) {
      mChatClient.close();
      mChatClient = null;
    }
  }

  private class ChatClient extends WebSocketClient {

    public ChatClient(URI serverURI) {
      super(serverURI);
    }

    @Override
    public void onOpen(ServerHandshake handshakedata) {
    }

    @Override
    public void onMessage(final String message) {
      mHandler.post(new Runnable() {
        @Override
        public void run() {
          StringBuffer sb = new StringBuffer();
          sb.append(mTextView.getText());
          sb.append(message);
          sb.append("\n");
          mTextView.setText(sb.toString());
        }
      });
    }

    @Override
    public void onClose(int code, String reason, boolean remote) {
      finish();
    }

    @Override
    public void onError(Exception ex) {
      ex.printStackTrace();
      finish();
    }
  }

  @Override
  public void onClick(View v) {
    if (v == mButton) {
      if (mChatClient != null) {
        String message = mEditText.getText().toString();
        if (!TextUtils.isEmpty(message)) {
          mChatClient.send(mEditText.getText().toString());
          mEditText.setText("");
        }
      }
    }
  }

}

Java Source Code List