Signin activity

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.CoreProtocolPNames;
import org.apache.http.util.EntityUtils;

import com.stemsoftware.reap.R;

import android.app.Activity;
import android.content.Context;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class SwitchUserLogin extends Activity implements View.OnClickListener {

private EditText etUser, etPassword;
private Button bLogin;
private String u, p, a, b, c, d, mLogin, urlLogin, devLogin, dLogin;
private final String KEY_LOGIN_URL = "https://..../api.php";

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.server_auth_dialog);
    etUser = (EditText) findViewById(R.id.username_edit);
    etPassword = (EditText) findViewById(R.id.password_edit);
    bLogin = (Button) findViewById(R.id.buttonLogin);
    bLogin.setOnClickListener(this);
}
@Override
public void onClick(View v) {
bLogin.setEnabled(false);
startLoginCrap();
}

private void startLoginCrap(){
	TelephonyManager d = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
	String Device=d.getDeviceId();
    if (Device == null){
    	WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
    	WifiInfo wInfo = wifiManager.getConnectionInfo();
    	String c = wInfo.getMacAddress();
    	//Log.w("StringC", Device);
    	Log.w("MacAddress", wInfo.getMacAddress());
    }else{
    	c = d.getDeviceId();
    	Log.w("DeviceID", c);
    }

    u = etUser.getText().toString();
    p = etPassword.getText().toString();
    a = "?action=login";
    b = "?action=SetDeviceID";
    mLogin = "false";
    dLogin = "false";
    //Log.w("DeviceID", c);
    urlLogin= (KEY_LOGIN_URL + a + "&user=" + u + "&pass=" + p);
    devLogin= (KEY_LOGIN_URL + b + "&user=" + u + "&device=" + c);
    new VerifyLogin().execute(urlLogin);
    //Log.w("LoginStatus", mLogin);
    new setDeviceID().execute(devLogin);
    Log.w("DeviceStatus", devLogin);

}

private class VerifyLogin extends AsyncTask<String, Void, String> {
    String msgl = "";
    HttpClient httpClientl;
    HttpGet httpGetl;
    HttpResponse responsel;
    HttpEntity entityl;

    @Override
    protected String doInBackground(String... urls) {
        try {
            httpClientl = new DefaultHttpClient();
            URI loginl = new URI(urls[0]);
            httpGetl = new HttpGet(loginl);
            responsel = httpClientl.execute(httpGetl);
            entityl = responsel.getEntity();
            msgl = EntityUtils.toString(entityl);

        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (URISyntaxException e) {
			e.printStackTrace();
		}

        Log.v("msgl", msgl);
        if (msgl.equals("\"incorrect!\"")){
        	mLogin="false";
        }
        else{
        	mLogin="true";
        }
        return mLogin;
    }

    @Override
    protected void onPostExecute(String result) {
        //super.onPostExecute(result);

        if (mLogin == "true") {
            Toast.makeText(getApplicationContext(), "Login Successful",
                    Toast.LENGTH_SHORT).show();
            //mLogin="true";
            Log.v("LoginPass", mLogin);
            Log.v("LoginResult", result);
            bLogin.setEnabled(false);

        } else {
            Toast.makeText(getApplicationContext(), "Invalid Password",
                    Toast.LENGTH_LONG).show();
            bLogin.setEnabled(true);
            Log.v("mLoginResult", mLogin);
            Log.w("LoginFail", result);
        }
    }

}
private class setDeviceID extends AsyncTask<String, Void, String> {
    String msgD = "";
    HttpClient httpClientD;
    HttpGet httpGetD;
    HttpResponse responseD;
    HttpEntity entityD;

    @Override
    protected String doInBackground(String... urls) {
        try {
            httpClientD = new DefaultHttpClient();
            URI loginD = new URI(urls[0]);
            httpGetD = new HttpGet(loginD);
            responseD = httpClientD.execute(httpGetD);
            entityD = responseD.getEntity();
            msgD = EntityUtils.toString(entityD);

        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (URISyntaxException e) {
			e.printStackTrace();
		}
        //Log.v("deviceLoginMSGd", msgD);
        if (msgD.equals("\"Device ID NOT Set\"")){
        	dLogin="false";
        }
        else{
        	dLogin="true";
        }
        return dLogin;
    }

    @Override
    protected void onPostExecute(String result) {

        if (dLogin == "true") {
            Toast.makeText(getApplicationContext(), "Device ID Set",
                    Toast.LENGTH_SHORT).show();
            Log.v("deviceLoginPass", dLogin);
            Log.v("deviceLoginResult", result);
            bLogin.setEnabled(false);

        } else {
            Toast.makeText(getApplicationContext(), "Device ID NOT Set",
                    Toast.LENGTH_LONG).show();
            Log.v("deviceLoginResult", dLogin);
            Log.w("deviceLoginFail", result);
            bLogin.setEnabled(true);
        }
    }

}
}