Fundamentals.java

// ---------------------------------------------------------------------------
// jWebSocket - Copyright (c) 2010 Innotrade GmbH
// ---------------------------------------------------------------------------
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published by the
// Free Software Foundation; either version 3 of the License, or (at your
// option) any later version.
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
// for more details.
// You should have received a copy of the GNU Lesser General Public License
// along with this program; if not, see <http://www.gnu.org/licenses/lgpl.html>.
// ---------------------------------------------------------------------------
package org.jwebsocket.android.demo;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import org.jwebsocket.api.WebSocketClientEvent;
import org.jwebsocket.api.WebSocketClientTokenListener;
import org.jwebsocket.api.WebSocketPacket;
import org.jwebsocket.kit.WebSocketException;
import org.jwebsocket.token.Token;

/**
 *
 * @author aschulze
 */
public class Fundamentals extends Activity implements WebSocketClientTokenListener {

    private Button lBtnSend;
    private Button lBtnBroadcast;
    private Button lBtnClearLog;
    private EditText lMessage;
    private EditText lTarget;
    private TextView lLog;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.fundamentals_hvga_p);
        lBtnSend = (Button) findViewById(R.id.btnFundSend);
        lBtnBroadcast = (Button) findViewById(R.id.btnFundBroadcast);
        lBtnClearLog = (Button) findViewById(R.id.btnFundClearLog);
        lMessage = (EditText) findViewById(R.id.txfFundMessage);
        lTarget = (EditText) findViewById(R.id.txfFundTarget);
        lLog = (EditText) findViewById(R.id.lblFundLog);

        lBtnSend.setOnClickListener(new OnClickListener() {

            public void onClick(View aView) {
                try {
                    JWC.sendText(lTarget.getText().toString(), lMessage.getText().toString());
                } catch (WebSocketException ex) {
                    // TODO: handle exception
                }
            }
        });

        lBtnBroadcast.setOnClickListener(new OnClickListener() {

            public void onClick(View aView) {
                try {
                    JWC.broadcastText(lMessage.getText().toString());
                } catch (WebSocketException ex) {
                    // TODO: handle exception
                }

            }
        });

        lBtnClearLog.setOnClickListener(new OnClickListener() {

            public void onClick(View aView) {
                lLog.setText("");
            }
        });
    }

    @Override
    protected void onResume() {
        super.onResume();
        log("* opening... ");
        try {
            JWC.addListener(this);
            JWC.open();
        } catch (WebSocketException ex) {
        }
    }

    @Override
    protected void onPause() {
        log("* closing... ");
        try {
            JWC.close();
            JWC.removeListener(this);
        } catch (WebSocketException ex) {
        }
        super.onPause();
    }

    private void log(CharSequence aString) {
        try {
            lLog.append(aString);
        } catch (Exception ex) {
            Toast.makeText(getApplicationContext(), ex.getClass().getSimpleName(),
                    Toast.LENGTH_SHORT).show();
        }
    }

    public void processOpened(WebSocketClientEvent aEvent) {
        log("opened\n");
		ImageView lImgView = (ImageView) findViewById(R.id.fundImgStatus);
		if (lImgView != null) {
			// TODO: in fact it is only connected, not yet authenticated!
			lImgView.setImageResource(R.drawable.authenticated);
		}
    }

    public void processPacket(WebSocketClientEvent aEvent, WebSocketPacket aPacket) {
        log("> " + aPacket.getUTF8() + "\n");
    }

    public void processToken(WebSocketClientEvent aEvent, Token aToken) {
        // log("> " + aToken.toString() + "\n");
    }

    public void processClosed(WebSocketClientEvent aEvent) {
        log("closed\n");
		ImageView lImgView = (ImageView) findViewById(R.id.fundImgStatus);
		if (lImgView != null) {
			lImgView.setImageResource(R.drawable.disconnected);
		}
    }
}