Java tutorial
/* * Copyright (c) 2016-2019 Bas van den Boom 'Z3r0byte' * * 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 com.z3r0byte.magistify; import android.app.Dialog; import android.content.ComponentName; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.ServiceConnection; import android.os.Bundle; import android.os.IBinder; import android.os.Looper; import android.os.RemoteException; import android.support.v4.widget.SwipeRefreshLayout; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.CardView; import android.support.v7.widget.Toolbar; import android.util.Log; import android.view.View; import android.widget.AdapterView; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; import com.android.vending.billing.IInAppBillingService; import com.google.android.gms.ads.AdRequest; import com.google.android.gms.ads.AdView; import com.google.android.gms.ads.MobileAds; import com.google.gson.Gson; import com.google.gson.JsonSyntaxException; import com.z3r0byte.magistify.Adapters.ScheduleChangeAdapter; import com.z3r0byte.magistify.DatabaseHelpers.CalendarDB; import com.z3r0byte.magistify.DatabaseHelpers.NewGradesDB; import com.z3r0byte.magistify.DatabaseHelpers.ScheduleChangeDB; import com.z3r0byte.magistify.GUI.NavigationDrawer; import com.z3r0byte.magistify.GUI.ScrollRefreshLayout; import com.z3r0byte.magistify.Util.ConfigUtil; import com.z3r0byte.magistify.Util.DateUtils; import net.ilexiconn.magister.Magister; import net.ilexiconn.magister.container.Appointment; import net.ilexiconn.magister.container.Grade; import net.ilexiconn.magister.container.Profile; import net.ilexiconn.magister.container.School; import net.ilexiconn.magister.container.User; import net.ilexiconn.magister.handler.GradeHandler; import net.ilexiconn.magister.util.HttpUtil; import org.json.JSONException; import org.json.JSONObject; import java.io.IOException; import java.security.InvalidParameterException; import java.text.ParseException; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; public class DashboardActivity extends AppCompatActivity { private static final String TAG = "DashboardActivity"; Toolbar mToolbar; CardView appointmentMain; CardView gradeMain; CardView scheduleChangeMain; ScrollRefreshLayout mSwipeRefreshLayout; ConfigUtil configUtil; final static String SKU_FIFTY_CENTS = "fifty_cents"; final static String SKU_ONE_EURO = "one_euro"; final static String SKU_TWO_EURO = "two_euro"; final static String SKU_FIVE_EURO = "five_euro"; IInAppBillingService mService; Bundle ownedItems; ArrayList<String> boughtSKU = new ArrayList<>(); ArrayList<String> boughtToken = new ArrayList<>(); Grade[] Grades; ServiceConnection mServiceConn = new ServiceConnection() { @Override public void onServiceDisconnected(ComponentName name) { mService = null; } @Override public void onServiceConnected(ComponentName name, IBinder service) { mService = IInAppBillingService.Stub.asInterface(service); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_dashboard); mToolbar = (Toolbar) findViewById(R.id.Toolbar); mToolbar.setTitle(R.string.title_dashboard); setSupportActionBar(mToolbar); configUtil = new ConfigUtil(this); User user = new Gson().fromJson(configUtil.getString("User"), User.class); Profile profile = new Gson().fromJson(configUtil.getString("Profile"), Profile.class); NavigationDrawer navigationDrawer = new NavigationDrawer(this, mToolbar, profile, user, "Dashboard"); navigationDrawer.SetupNavigationDrawer(); mSwipeRefreshLayout = (ScrollRefreshLayout) findViewById(R.id.layout_refresh); mSwipeRefreshLayout.setColorSchemeResources(R.color.colorPrimary, R.color.setup_color_3, R.color.setup_color_5); mSwipeRefreshLayout.setSwipeableChildren(R.id.card_layout); mSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { @Override public void onRefresh() { Log.d(TAG, "onRefresh: Refreshing!"); mSwipeRefreshLayout.setVisibility(View.GONE); mSwipeRefreshLayout.setVisibility(View.VISIBLE); setupAppointmentCard(); setupChangeCard(); retrieveGrades(); } }); if (!configUtil.getBoolean("disable_ads")) { MobileAds.initialize(getApplicationContext(), getString(R.string.app_ad_id)); AdView mAdView = (AdView) findViewById(R.id.adView); AdRequest adRequest = new AdRequest.Builder().addTestDevice("BEF9819F219452AE8661484A2AA03C59").build(); mAdView.loadAd(adRequest); } else { findViewById(R.id.adView).setVisibility(View.GONE); } if (configUtil.getInteger("failed_auth") >= 2) { AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this); alertDialogBuilder.setMessage(R.string.dialog_login_failed_desc); alertDialogBuilder.setPositiveButton(R.string.msg_relogin, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { relogin(); } }); alertDialogBuilder.setNegativeButton(R.string.msg_later, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { } }); AlertDialog alertDialog = alertDialogBuilder.create(); alertDialog.show(); } Intent serviceIntent = new Intent("com.android.vending.billing.InAppBillingService.BIND"); serviceIntent.setPackage("com.android.vending"); bindService(serviceIntent, mServiceConn, Context.BIND_AUTO_CREATE); appointmentMain = (CardView) findViewById(R.id.card_next_appointment); scheduleChangeMain = (CardView) findViewById(R.id.card_schedulechanges); gradeMain = (CardView) findViewById(R.id.card_new_grade); gradeMain.setVisibility(View.GONE); setupAppointmentCard(); setupChangeCard(); retrieveGrades(); getPurchases(); showUpdateMessage(); } private void showUpdateMessage() { final int version = BuildConfig.VERSION_CODE; if (configUtil.getInteger("last_update_message") != version) { android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(this); alertDialogBuilder.setTitle("Een minder leuk bericht"); alertDialogBuilder.setMessage( "Ik stop met het verder ontwikkelen van Magistify. Magistify gaat al een tijd constant achteruit met het aantal installaties en dit is begrijpelijk, want Magistify biedt nou eenmaal niet zoveel functies als sommige andere Magister apps. Daarnaast heeft Magister afgelopen jaar een nieuwe manier van inloggen ingevoerd en het is maar de vraag hoe lang de oude manier nog zal blijven werken. Ik heb er simpelweg de tijd niet voor om naast school en werk (apps maken maakt je helaas niet rijk \uD83D\uDE09) nog mijn apps te onderhouden en te updaten met nieuwe functies, zeker niet nu ik in mijn examenjaar zit. Daarom heb ik besloten te stoppen met het verder ontwikkelen van Magistify. Ik hoop dat je dit begrijpt en ik wil je hartelijk bedanken voor het downloaden en gebruiken van Magistify."); alertDialogBuilder.setPositiveButton("Ok", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { configUtil.setInteger("last_update_message", version); } }); android.app.AlertDialog alertDialog = alertDialogBuilder.create(); alertDialog.show(); } } private void relogin() { final Dialog dialog = new Dialog(this); dialog.setContentView(R.layout.fragment_login); dialog.setTitle(R.string.msg_relogin); Button button = (Button) dialog.findViewById(R.id.button_login); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { new Thread(new Runnable() { @Override public void run() { Looper.prepare(); EditText usertxt = (EditText) dialog.findViewById(R.id.edit_text_username); EditText passwordtxt = (EditText) dialog.findViewById(R.id.edit_text_password); String username = usertxt.getText().toString(); String password = passwordtxt.getText().toString(); School school = new Gson().fromJson(configUtil.getString("School"), School.class); try { Magister magister = Magister.login(school, username, password); } catch (final IOException | NullPointerException e) { runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(DashboardActivity.this, R.string.err_no_connection, Toast.LENGTH_SHORT).show(); } }); return; } catch (ParseException e) { e.printStackTrace(); runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(DashboardActivity.this, R.string.err_unknown, Toast.LENGTH_SHORT) .show(); } }); return; } catch (InvalidParameterException e) { runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(DashboardActivity.this, R.string.err_wrong_username_or_password, Toast.LENGTH_SHORT).show(); } }); return; } Log.d(TAG, "onClick: login succeeded!"); User user = new User(username, password, false); configUtil.setString("User", new Gson().toJson(user)); configUtil.setInteger("failed_auth", 0); GlobalAccount.USER = user; dialog.dismiss(); } }).start(); } }); dialog.show(); } private void setupAppointmentCard() { CalendarDB db = new CalendarDB(this); Appointment[] appointments = db.getNextAppointments(); Appointment appointment = null; Log.d(TAG, "setupAppointmentCard: Amount of appointments: " + appointments.length); if (appointments != null && appointments.length > 0) { appointment = appointments[0]; } else { } appointmentMain.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { startActivity(new Intent(getApplicationContext(), AppointmentActivity.class)); } }); if (appointment != null) { findViewById(R.id.layout_no_appointment).setVisibility(View.GONE); TextView period = (TextView) findViewById(R.id.text_list_period); TextView lesson = (TextView) findViewById(R.id.text_lesson); TextView classroom = (TextView) findViewById(R.id.text_classroom); TextView time = (TextView) findViewById(R.id.text_time); if (appointment.periodFrom == 0) { Log.d(TAG, "nextAppointmentCard: No valid period"); period.setText(""); findViewById(R.id.layout_list_calendar_period).setVisibility(View.GONE); } else { findViewById(R.id.layout_list_calendar_period).setVisibility(View.VISIBLE); period.setText(appointment.periodFrom + ""); } lesson.setText(appointment.description); classroom.setText(appointment.location); if (appointment.startDate != null && appointment.endDate != null) { time.setText(DateUtils.formatDate(appointment.startDate, "HH:mm") + " - " + DateUtils.formatDate(appointment.endDate, "HH:mm")); } else { time.setText(""); } } else { findViewById(R.id.layout_appointment).setVisibility(View.GONE); } } private void setupGradeCard() { NewGradesDB gradesdb = new NewGradesDB(this); Grade[] grades = gradesdb.getNewGrades(); Grade grade = null; if (grades != null && grades.length > 0) { if (configUtil.getBoolean("pass_grades_only")) { grades = filterGrades(grades); } if (grades != null && grades.length > 0) { Collections.reverse(Arrays.asList(grades)); grade = grades[0]; } } /* Grade sampleGrade = new Grade(); sampleGrade.isSufficient = false; sampleGrade.grade = "2.3"; sampleGrade.subject = new SubSubject(); sampleGrade.subject.name = "Latijn"; grade = sampleGrade;*/ gradeMain.setVisibility(View.VISIBLE); gradeMain.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { startActivity(new Intent(getApplicationContext(), NewGradeActivity.class)); } }); TextView gradeTxt = (TextView) findViewById(R.id.grade); TextView subjectTxt = (TextView) findViewById(R.id.subject); if (grade != null) { if (grade.description != null) { subjectTxt.setText(grade.subject.name + " - " + grade.description); } else { subjectTxt.setText(grade.subject.name); } gradeTxt.setText(grade.grade); } else { gradeTxt.setText(R.string.msg_no_grade_short); subjectTxt.setText(R.string.msg_no_grade); } getDaylightSaving(); mSwipeRefreshLayout.setRefreshing(false); } private void retrieveGrades() { new Thread(new Runnable() { @Override public void run() { Magister magister = GlobalAccount.MAGISTER; if (magister != null && magister.isExpired()) { try { magister.login(); GlobalAccount.MAGISTER = magister; } catch (IOException e) { Log.e(TAG, "run: No connection during login", e); runOnUiThread(new Runnable() { @Override public void run() { mSwipeRefreshLayout.setRefreshing(false); setupGradeCard(); } }); return; } catch (InvalidParameterException e) { e.printStackTrace(); int fails = configUtil.getInteger("failed_auth"); fails++; configUtil.setInteger("failed_auth", fails); Log.w(TAG, "run: Amount of failed Authentications: " + fails); runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(DashboardActivity.this, R.string.err_failed_login_dashboard, Toast.LENGTH_SHORT).show(); } }); } } else if (magister == null) { User user = new Gson().fromJson(configUtil.getString("User"), User.class); School school = new Gson().fromJson(configUtil.getString("School"), School.class); try { GlobalAccount.MAGISTER = Magister.login(school, user.username, user.password); magister = GlobalAccount.MAGISTER; } catch (IOException | ParseException | InvalidParameterException | NullPointerException | JsonSyntaxException e) { e.printStackTrace(); } runOnUiThread(new Runnable() { @Override public void run() { mSwipeRefreshLayout.setRefreshing(false); setupGradeCard(); } }); if (magister == null) { return; } } GradeHandler gradeHandler = new GradeHandler(magister); //Grade[] Grades; try { Grades = gradeHandler.getRecentGrades(); } catch (IOException e) { Grades = null; Log.e(TAG, "run: No connection...", e); runOnUiThread(new Runnable() { @Override public void run() { setupGradeCard(); } }); } if (Grades != null && Grades.length != 0) { NewGradesDB db = new NewGradesDB(getApplicationContext()); db.addGrades(Grades); runOnUiThread(new Runnable() { @Override public void run() { setupGradeCard(); } }); } else if (Grades != null && Grades.length < 1) { runOnUiThread(new Runnable() { @Override public void run() { setupGradeCard(); } }); } else { runOnUiThread(new Runnable() { @Override public void run() { setupGradeCard(); } }); } } }).start(); } private void setupChangeCard() { ScheduleChangeDB db = new ScheduleChangeDB(this); Appointment[] rawAppointments = db.getChanges(); /*rawAppointments = new Appointment[4]; rawAppointments[0] = new Appointment(); rawAppointments[0].description = "Roosterwijziging 1"; rawAppointments[0].startDate = new Date(); rawAppointments[0].endDate = rawAppointments[0].startDate; rawAppointments[0].location = "Lokatie 1"; rawAppointments[0].periodFrom = 2; rawAppointments[1] = new Appointment(); rawAppointments[1].description = "Roosterwijziging 2"; rawAppointments[1].startDate = new Date(); rawAppointments[1].endDate = rawAppointments[1].startDate; rawAppointments[1].location = "Lokatie 2"; rawAppointments[1].periodFrom = 6; rawAppointments[2] = new Appointment(); rawAppointments[2].description = "Roosterwijziging 3"; rawAppointments[2].startDate = DateUtils.addDays(new Date(),1); rawAppointments[2].endDate = rawAppointments[2].startDate; rawAppointments[2].location = "Lokatie 3"; rawAppointments[2].periodFrom = 4; rawAppointments[3] = new Appointment(); rawAppointments[3].description = "Roosterwijziging 4"; rawAppointments[3].startDate = new Date(); rawAppointments[3].endDate = rawAppointments[3].startDate; rawAppointments[3].location = "Lokatie 4"; rawAppointments[3].periodFrom = 9;*/ Appointment[] appointments = null; if (rawAppointments != null && rawAppointments.length > 0) { if (rawAppointments.length == 1) { appointments = new Appointment[1]; appointments[0] = rawAppointments[0]; } else if (rawAppointments.length == 2) { appointments = new Appointment[2]; appointments[0] = rawAppointments[0]; appointments[1] = rawAppointments[1]; } else { appointments = new Appointment[3]; appointments[0] = rawAppointments[0]; appointments[1] = rawAppointments[1]; appointments[2] = rawAppointments[2]; } } scheduleChangeMain.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { startActivity(new Intent(getApplicationContext(), ScheduleChangeActivity.class)); } }); if (appointments != null && appointments.length > 0) { findViewById(R.id.layout_no_schedule_changes).setVisibility(View.GONE); ListView listView = (ListView) findViewById(R.id.list_scheduleChanges); ScheduleChangeAdapter adapter = new ScheduleChangeAdapter(this, appointments); RelativeLayout rootView = (RelativeLayout) findViewById(R.id.card_schedulechanges_layout); listView.setVisibility(View.VISIBLE); listView.setAdapter(adapter); listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) { startActivity(new Intent(DashboardActivity.this, ScheduleChangeActivity.class)); } }); final float scale = this.getResources().getDisplayMetrics().density; rootView.getLayoutParams().height = (int) (90 * appointments.length * scale + 160f); } else { findViewById(R.id.layout_schedule_changes).setVisibility(View.GONE); findViewById(R.id.layout_no_schedule_changes).setVisibility(View.VISIBLE); } } private void getPurchases() { new Thread(new Runnable() { @Override public void run() { try { Thread.sleep(500); ownedItems = mService.getPurchases(3, getPackageName(), "inapp", null); int response = ownedItems.getInt("RESPONSE_CODE"); if (response == 0) { ArrayList<String> ownedSkus = ownedItems.getStringArrayList("INAPP_PURCHASE_ITEM_LIST"); ArrayList<String> purchaseDataList = ownedItems .getStringArrayList("INAPP_PURCHASE_DATA_LIST"); ArrayList<String> signatureList = ownedItems .getStringArrayList("INAPP_DATA_SIGNATURE_LIST"); for (int i = 0; i < purchaseDataList.size(); ++i) { String purchaseData = purchaseDataList.get(i); String signature = signatureList.get(i); String sku = ownedSkus.get(i); JSONObject jo = new JSONObject(purchaseData); String token = jo.getString("purchaseToken"); boughtSKU.add(sku); boughtToken.add(token); Log.i(TAG, "run: Purchased item " + i + ": SKU: " + sku + ", purchaseData:" + purchaseData + ", Signature: " + signature); configUtil.setBoolean("disable_ads", false); configUtil.setBoolean("pro_unlocked", false); if (boughtSKU.contains(SKU_FIFTY_CENTS)) { configUtil.setBoolean("disable_ads", true); configUtil.setString("token_fifty_cents", token); } else if (boughtSKU.contains(SKU_ONE_EURO)) { configUtil.setBoolean("disable_ads", true); configUtil.setBoolean("pro_unlocked", true); configUtil.setString("token_one_euro", token); } else if (boughtSKU.contains(SKU_TWO_EURO)) { configUtil.setBoolean("disable_ads", true); configUtil.setBoolean("pro_unlocked", true); configUtil.setString("token_two_euro", token); } else if (boughtSKU.contains(SKU_FIVE_EURO)) { configUtil.setBoolean("disable_ads", true); configUtil.setBoolean("pro_unlocked", true); configUtil.setString("token_five_euro", token); } } } } catch (RemoteException e) { if (mService != null) { unbindService(mServiceConn); } e.printStackTrace(); } catch (InterruptedException e) { e.printStackTrace(); } catch (JSONException e) { e.printStackTrace(); } catch (NullPointerException e) { e.printStackTrace(); } } }).start(); } private void getDaylightSaving() { new Thread(new Runnable() { @Override public void run() { try { String response = HttpUtil.convertInputStreamReaderToString( HttpUtil.httpGet("https://api.z3r0byteapps.eu/timezones/daylightsavings/nextchange")); String date = response.substring(0, response.indexOf(",")); String offset = response.substring(response.indexOf(",") + 1, response.length()); configUtil.setString("nextChange", date); configUtil.setInteger("nextOffset", Integer.parseInt(offset)); } catch (IOException e) { e.printStackTrace(); } try { String response = HttpUtil.convertInputStreamReaderToString(HttpUtil .httpGet("https://api.z3r0byteapps.eu/timezones/daylightsavings/currentoffset")); configUtil.setInteger("currentOffset", Integer.parseInt(response)); } catch (IOException e) { e.printStackTrace(); } } }).start(); } private Grade[] filterGrades(Grade[] grades) { ArrayList<Grade> filtered = new ArrayList<>(); for (Grade grade : grades) { if (grade.isSufficient) { filtered.add(grade); } } Grade[] filteredArray = new Grade[filtered.size()]; filteredArray = filtered.toArray(filteredArray); return filteredArray; } @Override public void onDestroy() { super.onDestroy(); if (mService != null) { unbindService(mServiceConn); } } }