Back to project page PrepayCredit.
The source code is released under:
GNU General Public License
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/* * This file is part of Prepay Credit for Android *//from w ww . j a v a2s . c o m * Copyright 2014 Damien O'Reilly * * Prepay Credit for Android is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * Prepay Credit for Android 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Prepay Credit for Android. If not, see <http://www.gnu.org/licenses/>. * * Report bugs or new features at: https://github.com/DamienOReilly/PrepayCredit * Contact the author at: damienreilly@gmail.com */ package damo.three.ie.activity; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.net.Uri; import android.os.Bundle; import android.preference.PreferenceManager; import android.telephony.TelephonyManager; import android.text.ClipboardManager; import android.view.View; import android.widget.*; import damo.three.ie.R; import damo.three.ie.prepay.Constants; /** * Provides a login UI to the user on first run, or if login credentials are incomplete. * * @author Damien O'Reilly */ public class LoginActivity extends Activity { private SharedPreferences sharedPreferences; private EditText mobileNumber; private EditText password; private TextView forgotPass; private TextView register; private TextView textViewSimIccid; private Button continueButton; private String iccid; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); PreferenceManager.setDefaultValues(this, R.xml.settings, false); sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); boolean firstrun = sharedPreferences.getBoolean("firstrun", true); // First run?, ask for credentials, otherwise go straight to login screen. if (firstrun || (sharedPreferences.getString("mobile", "").equals("") || sharedPreferences.getString ("password", "").equals(""))) { setUpLoginUI(); } else { openPrepayCreditActivity(); } } private void setUpLoginUI() { setContentView(R.layout.login_layout); mobileNumber = (EditText) findViewById(R.id.mobile_number); password = (EditText) findViewById(R.id.password); forgotPass = (TextView) findViewById(R.id.forgot_password_textview); register = (TextView) findViewById(R.id.register_textview); continueButton = (Button) findViewById(R.id.continue_button); LoginClickListener loginClickListener = new LoginClickListener(); register.setOnClickListener(loginClickListener); forgotPass.setOnClickListener(loginClickListener); continueButton.setOnClickListener(loginClickListener); // To register or request lost password, 3 wants the last 6 digits from the SIM's ICCID. For convenience, we // will display it to the user. But only if ICCID is available. Non SIM tablets won't have this. TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); LinearLayout iccidLayout = (LinearLayout) findViewById(R.id.iccid_layout); iccid = tm.getSimSerialNumber(); if (iccid != null && (iccid.length() >= 6)) { iccidLayout.setVisibility(View.VISIBLE); iccid = iccid.substring(iccid.length() - 6); textViewSimIccid = (TextView) findViewById(R.id.sim_iccid); textViewSimIccid.setText(String.format(getString(R.string.sim_iccid), iccid)); textViewSimIccid.setOnClickListener(loginClickListener); } } private void showError(EditText field) { field.setError(getString(R.string.login_field_validation_error)); } private void openUrl(String registerUrl) { Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(registerUrl)); startActivity(i); } private boolean fieldIsEmpty(EditText field) { return field.getText().toString().trim().equals(""); } private void copyIccidToClipboard() { @SuppressWarnings("deprecation") ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE); clipboard.setText(iccid); Toast.makeText(this, getString(R.string.clipboard), Toast.LENGTH_SHORT).show(); } private void openPrepayCreditActivity() { Intent intent = new Intent(this, PrepayCreditActivity.class); startActivity(intent); finish(); } private void saveCredentials() { SharedPreferences.Editor editor = sharedPreferences.edit(); editor.putString("mobile", mobileNumber.getText().toString().trim()); editor.putString("password", password.getText().toString().trim()); editor.putBoolean("firstrun", false); editor.commit(); } private class LoginClickListener implements View.OnClickListener { @Override public void onClick(View v) { if (v == register) { openUrl(Constants.REGISTER_URL); } if (v == forgotPass) { openUrl(Constants.FORGOT_PASS_URL); } // Save credentials and open the usage activity. if (v == continueButton) { if (fieldIsEmpty(mobileNumber)) { showError(mobileNumber); } else if (fieldIsEmpty(password)) { showError(password); } else { saveCredentials(); openPrepayCreditActivity(); } } if (v == textViewSimIccid) { copyIccidToClipboard(); } } } }