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package user4574.texttransport;
import java.util.ArrayList;
import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
import org.eclipse.paho.client.mqttv3.MqttException;
import android.app.Activity;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioGroup;
public class Start extends Activity {
public static MqttClient client;
private MqttConnectOptions opts;
private SmsManager sms = SmsManager.getDefault();
private ArrayList<View> inputs;
private Button conn;
private EditText ent;
private EditText port;
private RadioGroup rg;
private String uri = "";
private EditText un;
private EditText pw;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.start);
inputs = new ArrayList<View>();
conn = (Button) findViewById(R.id.connectbutton);
conn.setEnabled(false);
conn.setOnClickListener(new ConnectListener());
ent = (EditText) findViewById(R.id.uri);
ent.addTextChangedListener(new URIWatcher());
port = (EditText) findViewById(R.id.port);
rg = (RadioGroup) findViewById(R.id.protocol);
un = (EditText) findViewById(R.id.username);
pw = (EditText) findViewById(R.id.password);
inputs.add(findViewById(R.id.uri));
inputs.add(findViewById(R.id.port));
inputs.add(findViewById(R.id.tcp));
inputs.add(findViewById(R.id.ssl));
inputs.add(findViewById(R.id.username));
inputs.add(findViewById(R.id.password));
}
private void setInputsEnabled(boolean enabled) {
for (View v : inputs)
v.setEnabled(enabled);
}
protected void onResume() {
super.onResume();
if (client == null || !client.isConnected()) {
setInputsEnabled(true);
ent.setText("");
}
}
class ConnectListener implements OnClickListener {
public void onClick(View arg0) {
if (client != null && client.isConnected()) {
try {
client.disconnect();
setInputsEnabled(true);
conn.setText(R.string.connect);
} catch (MqttException e) {
e.printStackTrace();
}
} else if (!uri.equals("")) {
String server = (rg.getCheckedRadioButtonId() == R.id.ssl) ? "ssl" : "tcp";
server += "://" + uri;
if(!port.getText().toString().equals(""))
server += ":" + port.getText().toString();
try {
client = new MqttClient(server, MqttClient.generateClientId(), new AndroidPersistence());
client.setCallback(new MqttMsgCallback(sms));
if (!un.getText().toString().equals("")) {
opts = new MqttConnectOptions();
opts.setUserName(un.getText().toString());
String pass = pw.getText().toString();
if (!pass.equals("")) opts.setPassword(pass.toCharArray());
client.connect(opts);
} else
client.connect();
client.subscribe("/texttransport/+/send");
setInputsEnabled(false);
conn.setText(R.string.disconnect);
} catch (MqttException e) {
e.printStackTrace();
}
}
}
}
class URIWatcher implements TextWatcher {
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
public void onTextChanged(CharSequence s, int start, int before, int count) {}
public void afterTextChanged(Editable s) {
uri = s.toString();
if (uri.equals(""))
conn.setEnabled(false);
else
conn.setEnabled(true);
}
}
}
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