Java tutorial
/* * Copyright (C) 2013 - Gareth Llewellyn * * This file is part of Rhybudd - http://blog.NetworksAreMadeOfString.co.uk/Rhybudd/ * * This program 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. * * 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 General Public License * for more details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see <http://www.gnu.org/licenses/> */ package net.networksaremadeofstring.rhybudd; import android.app.AlertDialog; import android.app.ProgressDialog; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.preference.PreferenceManager; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.animation.AnimationUtils; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import com.bugsense.trace.BugSenseHandler; import java.text.SimpleDateFormat; import java.util.Date; public class CoreSettingsFragment extends Fragment { SharedPreferences settings = null; ProgressDialog dialog; Thread peformLogin; Handler handler; ZenossAPICore API; EditText zURL; EditText zUserName; EditText zPasword; EditText BAUser; EditText BAPassword; SimpleDateFormat s = new SimpleDateFormat("dd/MM/yyy hh:mm:ss"); ZenossCredentials zenossCredentials; AlertDialog alertDialog; public CoreSettingsFragment() { } private void UpdateDebugMessage(String Message) { Message msg = new Message(); Bundle bundle = new Bundle(); msg.what = RhybuddHandlers.msg_initial_verify_debug_output; bundle.putString(ZenossAPI.MSG_DEBUG, Message); msg.setData(bundle); handler.sendMessage(msg); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_core_first_settings, container, false); zURL = (EditText) rootView.findViewById(R.id.ZenossURL); zUserName = (EditText) rootView.findViewById(R.id.ZenossUserName); zPasword = (EditText) rootView.findViewById(R.id.ZenossPassword); BAUser = (EditText) rootView.findViewById(R.id.basicAuthUser); BAPassword = (EditText) rootView.findViewById(R.id.basicAuthPassword); Button LoginButton = (Button) rootView.findViewById(R.id.SaveButton); LoginButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { dialog.show(); try { UpdateDebugMessage("Starting Login Process"); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "onCreateView", e); } ((Thread) new Thread() { public void run() { try { UpdateDebugMessage("API initialised"); API = new ZenossAPICore(); if (API != null) { zenossCredentials = new ZenossCredentials(zUserName.getText().toString(), zPasword.getText().toString(), zURL.getText().toString(), BAUser.getText().toString(), BAPassword.getText().toString()); if (API.Login(zenossCredentials)) { UpdateDebugMessage("Login process returned"); handler.sendEmptyMessage(RhybuddHandlers.msg_initial_login_successful); } else { UpdateDebugMessage(API.getLastException()); handler.sendEmptyMessage(RhybuddHandlers.msg_initial_verify_error); } } else { //HandleException(null, "Initialising the API Failed. An error message has been logged."); UpdateDebugMessage("API initialisation failed!"); handler.sendEmptyMessage(RhybuddHandlers.msg_initial_verify_error); } } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "Login", e); try { if (null != e.getMessage()) { UpdateDebugMessage(e.getMessage() + " " + e.getLocalizedMessage().toString() + " " + e.toString()); } else { UpdateDebugMessage(e.getLocalizedMessage() + " " + e.toString()); } handler.sendEmptyMessage(RhybuddHandlers.msg_initial_verify_error); } catch (Exception e2) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "Login", e2); } } } }).start(); } }); return rootView; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); try { dialog = new ProgressDialog(getActivity()); dialog.setTitle(""); dialog.setMessage("Checking Details....."); dialog.setCancelable(true); dialog.setOnCancelListener(new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialogInterface) { Intent in = new Intent(); getActivity().setResult(2, in); getActivity().finish(); } }); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "onCreate", e); } try { settings = PreferenceManager.getDefaultSharedPreferences(getActivity()); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "onCreate", e); } handler = new Handler() { public void handleMessage(Message msg) { if (msg.what == RhybuddHandlers.msg_initial_login_successful && API != null)// && API.getLoggedInStatus() == true { if (null != settings) { SharedPreferences.Editor editor = settings.edit(); editor.putBoolean("credentialsSuccess", true); editor.commit(); } try { dialog.setMessage("Logged in successfully.\n\nPreparing database..."); } catch (Exception e) { //BugSenseHandler.log("InitialSettings", e); Toast.makeText(getActivity(), "Logged in Successfully. Preparing Database!", Toast.LENGTH_SHORT).show(); } try { zenossCredentials.saveCredentials(getActivity()); handler.sendEmptyMessage(RhybuddHandlers.msg_caching_complete); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "General success path", e); //HandleException(e, "Initialising the Database failed. An error message has been logged."); } } else if (msg.what == RhybuddHandlers.msg_events_cached) { try { dialog.setMessage("Events Cached! Now caching Devices.\r\nPlease wait..."); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "onCreate", e); } } else if (msg.what == RhybuddHandlers.msg_caching_complete) { try { dialog.dismiss(); } catch (Exception e) { //Not much else we can do here :/ BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "Dismissing dialog in msg_caching_complete", e); } String pushKey = ""; try { pushKey = PreferenceManager.getDefaultSharedPreferences(getActivity()) .getString(ZenossAPI.PREFERENCE_PUSHKEY, ""); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "onCreate", e); pushKey = ""; } if (pushKey.equals("")) { try { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setMessage( "Would you like to configure Rhybudd Push to enable instant alert delivery?") .setTitle("Extra Configuration").setCancelable(false) .setPositiveButton("Yes", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { ((FirstRunSettings) getActivity()).setPushTab(2); alertDialog.cancel(); } }).setNegativeButton("No", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { alertDialog.cancel(); Intent in = new Intent(); in.putExtra("forceRefresh", true); getActivity().setResult(1, in); getActivity().finish(); } }); alertDialog = builder.create(); alertDialog.show(); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "onCreate", e); } } else { Intent in = new Intent(); in.putExtra("forceRefresh", true); getActivity().setResult(1, in); getActivity().finish(); } } else if (msg.what == RhybuddHandlers.msg_caching_complete) { try { dialog.setMessage("Caching complete!\r\nVerifying."); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "onCreate", e); } } else if (msg.what == RhybuddHandlers.msg_initial_verify_debug_output) { try { EditText debugOutput = (EditText) getActivity().findViewById(R.id.debugOutput); debugOutput.setText(debugOutput.getText() + s.format(new Date()) + " " + msg.getData().getString(ZenossAPI.MSG_DEBUG) + "\r\n"); } catch (NullPointerException npe) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "Displaying toast with error message", npe); try { Toast.makeText(getActivity(), "An unknown error occured trying to display some debug output. It has been reported", Toast.LENGTH_LONG).show(); } catch (Exception ie) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "Error Displaying toast", ie); } } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "msg_initial_verify_debug_output went very wrong", e); } } else if (msg.what == RhybuddHandlers.msg_initial_verify_error) { //((TextView) getActivity().findViewById(R.id.debugOutput)).setText(msg.getData().getString("exception") + "\n"); try { dialog.dismiss(); } catch (Exception e) { //Not much else we can do here :/ BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "Dismissing dialog in msg_initial_verify_error", e); } try { Toast.makeText(getActivity(), "An error was encountered. The debug output can be seen below", Toast.LENGTH_SHORT) .show(); ((TextView) getActivity().findViewById(R.id.debugLabel)).startAnimation( AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in)); ((TextView) getActivity().findViewById(R.id.debugLabel)).setVisibility(View.VISIBLE); ((EditText) getActivity().findViewById(R.id.debugOutput)).startAnimation( AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in)); ((EditText) getActivity().findViewById(R.id.debugOutput)).setVisibility(View.VISIBLE); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "Displaying toast with error message", e); Toast.makeText(getActivity(), "An unknown error occured. It has been reported.", Toast.LENGTH_SHORT).show(); } } else { try { dialog.dismiss(); } catch (Exception e) { //Not much else we can do here :/ BugSenseHandler.sendExceptionMessage("CoreSettingsFragment", "Dismissing dialog in final handler else", e); } Toast.makeText(getActivity(), "Login Failed - Please check details.", Toast.LENGTH_SHORT) .show(); ((EditText) getActivity().findViewById(R.id.debugOutput)).setVisibility(View.VISIBLE); } } }; } }