以下を試してみてください。ejabberd サーバーに接続してログインする方法に関するコードを貼り付けました。SharedPrefernces で値を保存および取得する方法を説明するためのコメントを追加しました。
public class Login extends Activity
{
private XMPPConnection connection;
private ProgressBar progressBar;
private EditText userId;
private EditText password;
private CheckBox rememberMe;
private SharedPreferences sharedPreferences;
private Editor editor;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
userId = (EditText) findViewById(R.id.user_id);
password = (EditText) findViewById(R.id.password);
rememberMe = (CheckBox) findViewById(R.id.remember_me);
progressBar = (ProgressBar) findViewById(R.id.login_progress);
//Retrieving SharedPreferences
sharedPreferences = this.getPreferences(Context.MODE_PRIVATE);
//Retrieving editor
editor = sharedPreferences.edit();
//Retrieving remember me checkbox's set value which if was stored in SharedPreferences
if(sharedPreferences.getBoolean(getString(R.string.remember_me), false))
{
String uId, pass;
uId = sharedPreferences.getString(getString(R.string.user_id), "");
pass = sharedPreferences.getString(getString(R.string.password), "");
userId.setText(uId);
password.setText(pass);
rememberMe.setChecked(sharedPreferences.getBoolean(getString(R.string.remember_me), false));
new Connection().execute(uId, pass);
}
}
public void login(View view)
{
new Connection().execute(userId.getText().toString(), password.getText().toString());
}
private class Connection extends AsyncTask<String, Void, Integer>
{
private static final int CONNECTION_FAILURE = 0;
private static final int LOGIN_FAILURE = 1;
private static final int SUCCESS = 2;
protected void onPreExecute()
{
progressBar.setVisibility(ProgressBar.VISIBLE);
}
protected Integer doInBackground(String... strings)
{
ConnectionConfiguration conConfig = new ConnectionConfiguration("192.168.1.66", 5222, "domain");
connection = new XMPPConnection(conConfig);
try
{
connection.connect();
Log.i("TESTING", "CONNECTED TO " + connection.getHost());
}
catch(Exception e)
{
Log.e("TESTING", e.getMessage());
return CONNECTION_FAILURE;
}
try
{
connection.login(strings[0], strings[1]);
Log.i("TESTING", "LOGGED IN AS " + connection.getUser());
Presence presence = new Presence(Presence.Type.available);
connection.sendPacket(presence);
}
catch(Exception e)
{
Log.e("TESTING", e.getMessage());
return LOGIN_FAILURE;
}
return SUCCESS;
}
protected void onPostExecute(Integer integer)
{
progressBar.setVisibility(ProgressBar.GONE);
switch(integer)
{
case CONNECTION_FAILURE:
Toast.makeText(getApplicationContext(), "Failed to connect to the server.", Toast.LENGTH_LONG).show();
break;
case LOGIN_FAILURE:
Toast.makeText(getApplicationContext(), "Please check your user id and or password.", Toast.LENGTH_LONG).show();
break;
case SUCCESS:
if(rememberMe.isChecked())
{
//Setting value in SharedPrefernces using editor.
editor.putBoolean(getString(R.string.remember_me), rememberMe.isChecked());
editor.putString(getString(R.string.user_id), userId.getText().toString());
editor.putString(getString(R.string.password), password.getText().toString());
//Committing the changes.
editor.commit();
}
else
//Clearing SharedPreferences.
sharedPreferences.edit().clear().commit();
startActivity(new Intent(getApplicationContext(), Home.class));
}
}
}
}