Java tutorial
/* BlitzMail * Copyright (C) 2013 Torsten Grote * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package de.grobox.blitzmail; import org.json.JSONException; import org.json.JSONObject; import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.net.Uri; import android.os.Bundle; public class NotificationHandlerActivity extends Activity { private JSONObject mMail; private Context context = this; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Intent intent = getIntent(); onNewIntent(intent); try { if (intent != null) { mMail = new JSONObject(intent.getStringExtra("mail")); } } catch (JSONException e) { e.printStackTrace(); } } @Override protected void onNewIntent(Intent intent) { Bundle extras = intent.getExtras(); // show dialog for server errors if (extras != null && extras.getString("ContentTitle").equals(getString(R.string.error))) { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle(getString(R.string.app_name) + " - " + getString(R.string.error)); builder.setMessage(extras.getString("ContentText")); builder.setIcon(android.R.drawable.ic_dialog_alert); // Add the buttons builder.setNegativeButton(getResources().getString(R.string.dismiss), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { deleteMail(); // User clicked Cancel button, close this Activity finish(); } }); builder.setNeutralButton(getResources().getString(R.string.send_later), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { // User clicked Cancel button if (BuildConfig.PRO) { // close this Activity finish(); } else { AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setTitle(getString(R.string.app_name)); builder.setMessage(getString(R.string.error_lite_version)); builder.setIcon(android.R.drawable.ic_dialog_info); // Add the buttons builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface lite_dialog, int id) { Uri uri = Uri.parse( "https://play.google.com/store/apps/details?id=de.grobox.blitzmail.pro"); Intent intent = new Intent(Intent.ACTION_VIEW, uri); if (intent.resolveActivity(getPackageManager()) != null) { startActivity(intent); } lite_dialog.dismiss(); finish(); } }); builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface lite_dialog, int id) { lite_dialog.dismiss(); finish(); } }); // Create and show the AlertDialog AlertDialog lite_dialog = builder.create(); lite_dialog.setCanceledOnTouchOutside(false); lite_dialog.show(); } } }); builder.setPositiveButton(getResources().getString(R.string.try_again), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { // Prepare start of new activity Intent intent = new Intent(context, SendActivity.class); intent.setAction("BlitzMailReSend"); intent.putExtra("mail", mMail.toString()); finish(); startActivity(intent); } }); // Create and show the AlertDialog AlertDialog dialog = builder.create(); dialog.setCanceledOnTouchOutside(false); dialog.show(); } else { // close activity finish(); } } private void deleteMail() { if (mMail != null) { MailStorage.deleteMail(this, mMail.optString("id")); } } }