Java tutorial
/** * Copyright 2015 Google Inc. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package gcm.play.android.samples.com.gcmquickstart; import android.app.ProgressDialog; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.os.Build; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.v4.content.LocalBroadcastManager; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; import com.android.volley.Request; import com.android.volley.RequestQueue; import com.android.volley.Response; import com.android.volley.VolleyError; import com.android.volley.toolbox.StringRequest; import com.android.volley.toolbox.Volley; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms.common.GoogleApiAvailability; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.util.HashMap; import java.util.Map; import gcm.play.android.samples.com.gcmquickstart.data.UserData; public class MainActivity extends AppCompatActivity { private EditText etUsername; private EditText etPassword; private Button btnIniciarSesion; private CheckBox cbRecordar; private String userName = ""; private static final int PLAY_SERVICES_RESOLUTION_REQUEST = 9000; private static final String TAG = "MainActivity"; private BroadcastReceiver mRegistrationBroadcastReceiver; private ProgressDialog progressDialog; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); getSupportActionBar().hide(); etUsername = (EditText) findViewById(R.id.etUsername); etPassword = (EditText) findViewById(R.id.etPassword); btnIniciarSesion = (Button) findViewById(R.id.btnIniciarSesion); cbRecordar = (CheckBox) findViewById(R.id.cbRecordar); progressDialog = new ProgressDialog(this, R.style.MyTheme); //Se establece como usuario la cuenta registrada por el usuario para que haga su inicio de sesin userName = UserData.getUserAccount(this); Log.d("USER_ACCOUNT_LOCAL", userName); etUsername.setText(userName); //Establece como no editable el edit text de Usuario etUsername.setKeyListener(null); //progressDialog = new ProgressDialog(this, R.style.MyTheme); progressDialog.setTitle("Registration ID"); progressDialog.setMessage("Espere un momento..."); progressDialog.setCancelable(false); progressDialog.setCanceledOnTouchOutside(false); progressDialog.show(); mRegistrationBroadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { progressDialog.dismiss(); SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context); boolean sentToken = sharedPreferences.getBoolean(QuickstartPreferences.SENT_TOKEN_TO_SERVER, false); if (sentToken) { Toast.makeText(getApplicationContext(), getString(R.string.gcm_ready), Toast.LENGTH_LONG) .show(); } else { Toast.makeText(getApplicationContext(), getString(R.string.gcm_not_ready), Toast.LENGTH_LONG) .show(); } } }; if (checkPlayServices()) { // Start IntentService to register this application with GCM. Intent intent = new Intent(this, RegistrationIntentService.class); startService(intent); } //Evento click para iniciar sesin btnIniciarSesion.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { startSession(); } }); } //Inicio de sesin y registro del RegId en la base de datos public void startSession() { progressDialog.setTitle("Inicio de sesin"); progressDialog.setMessage("Validando..."); progressDialog.setCancelable(false); progressDialog.setCanceledOnTouchOutside(false); progressDialog.show(); if (validateFields()) { validateLogin(); } } //Validacin de campos public boolean validateFields() { if (etPassword.getText().toString().equals("")) { progressDialog.dismiss(); etPassword.requestFocus(); etPassword.setError(getString(R.string.emptyPassword)); return false; } else if (!etPassword.getText().toString().matches("^(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{8}$")) { progressDialog.dismiss(); etPassword.requestFocus(); etPassword.setError(getString(R.string.wrongPassword)); return false; } else { return true; } } //Valida inicio de sesin desde servidor public void validateLogin() { RequestQueue queue = Volley.newRequestQueue(this); String url = "http://www.entuizer.tech/administrators/suterm/webServices/validateLoginApp.php"; StringRequest putRequest = new StringRequest(Request.Method.POST, url, new Response.Listener<String>() { public void onResponse(String response) { // response try { progressDialog.dismiss(); Log.d("RESPONSE", response.toString()); JSONArray jsonArray = new JSONArray(response); JSONObject jsonObject = jsonArray.getJSONObject(0); int ERROR = jsonObject.getInt("ERROR"); //Validacin de la respuesta JSON if (ERROR == 0) { if (cbRecordar.isChecked()) UserData.setLogged(MainActivity.this, true); Intent intent = new Intent(MainActivity.this, NotificationsList.class); startActivity(intent); MainActivity.this.finish(); } else { Toast.makeText(MainActivity.this, getString(R.string.wrongValidation), Toast.LENGTH_SHORT) .show(); etPassword.requestFocus(); } } catch (JSONException e) { e.printStackTrace(); } } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { // error progressDialog.dismiss(); Log.d("Error.Response", error.toString()); } }) { @Override protected Map<String, String> getParams() { //Reg ID almacenando localmente String token = UserData.getRegId(MainActivity.this); Log.d("REGID:", token); //Obtener el nmero serial del dispositivo String numSerie = Build.SERIAL; //User ID almacenado localmente int userId = UserData.getUserId(MainActivity.this); //Verificamos si se desea mantener sesin abierta o no boolean isLogged = cbRecordar.isChecked(); String userIsLogged; if (isLogged) userIsLogged = "1"; else userIsLogged = "0"; Map<String, String> params = new HashMap<String, String>(); params.put("regisId", token.toString()); params.put("numSerie", numSerie); params.put("userId", "" + userId); params.put("userIsLogged", userIsLogged); params.put("userName", etUsername.getText().toString()); params.put("userPassword", etPassword.getText().toString()); return params; } }; queue.add(putRequest); } @Override protected void onResume() { super.onResume(); LocalBroadcastManager.getInstance(this).registerReceiver(mRegistrationBroadcastReceiver, new IntentFilter(QuickstartPreferences.REGISTRATION_COMPLETE)); } @Override protected void onPause() { LocalBroadcastManager.getInstance(this).unregisterReceiver(mRegistrationBroadcastReceiver); super.onPause(); } /** * Check the device to make sure it has the Google Play Services APK. If * it doesn't, display a dialog that allows users to download the APK from * the Google Play Store or enable it in the device's system settings. */ private boolean checkPlayServices() { GoogleApiAvailability apiAvailability = GoogleApiAvailability.getInstance(); int resultCode = apiAvailability.isGooglePlayServicesAvailable(this); if (resultCode != ConnectionResult.SUCCESS) { if (apiAvailability.isUserResolvableError(resultCode)) { apiAvailability.getErrorDialog(this, resultCode, PLAY_SERVICES_RESOLUTION_REQUEST).show(); } else { Log.i(TAG, "This device is not supported."); finish(); } return false; } return true; } }