Java tutorial
/* * Copyright (C) 2015 The Android Open Source Project * * 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.jakefallin.rhsapp; /** * Created by Jake on 3/8/2016. */ import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.graphics.Color; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.design.widget.CoordinatorLayout; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.NavigationView; import android.support.design.widget.Snackbar; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.app.NotificationCompat; import android.support.v4.app.TaskStackBuilder; import android.support.v4.view.GravityCompat; import android.support.v4.view.ViewPager; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.widget.ListView; import android.widget.RelativeLayout; import android.widget.Toast; import java.util.ArrayList; import java.util.Calendar; import java.util.List; import com.github.fafaldo.fabtoolbar.widget.FABToolbarLayout; import com.jakefallin.rhsapp.Fragments.AbsencesFragment; import com.jakefallin.rhsapp.Fragments.AnnouncementsFragment; import com.jakefallin.rhsapp.Fragments.ScheduleFragment; import com.jakefallin.rhsapp.UI.Fab; import com.jakefallin.rhsapp.UI.FloatLabelLayout; import com.jakefallin.rhsapp.Util.AppController; import com.ogaclejapan.smarttablayout.SmartTabLayout; import com.ogaclejapan.smarttablayout.utils.v4.FragmentPagerItemAdapter; import com.ogaclejapan.smarttablayout.utils.v4.FragmentPagerItems; import com.wdullaer.materialdatetimepicker.date.DatePickerDialog; public class MainActivity extends AppCompatActivity implements View.OnClickListener, View.OnTouchListener, DatePickerDialog.OnDateSetListener { //for passing correct argument to ScheduleFragment snackbar public boolean today = true; //declaring UI elements for use in this class only private DrawerLayout mDrawerLayout; private ViewPager viewPager; private SmartTabLayout viewPagerTab; private Toolbar toolbar; private NavigationView navigationView; private FABToolbarLayout fabLayout; private View backFab, forwardFab, calFab, containerFab, dummy; private Calendar lastDayOfSchool, firstDayOfSchool, current; private String date; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); SharedPreferences s = AppController.getAppContext().getSharedPreferences("app", Context.MODE_PRIVATE); SharedPreferences.Editor editor = s.edit(); editor.putBoolean("firstTimeSchedule", false); PreferenceManager.setDefaultValues(this, R.xml.settings, false); boolean firstTime = s.getBoolean("first", true); date = s.getString("date", "2016-06-06"); lastDayOfSchool = Calendar.getInstance(); lastDayOfSchool.set(2016, 5, 20); firstDayOfSchool = Calendar.getInstance(); firstDayOfSchool.set(2015, 8, 8); current = Calendar.getInstance(); //Adapter to make tab load a specific fragment within viewpager FragmentPagerItemAdapter a = new FragmentPagerItemAdapter(getSupportFragmentManager(), FragmentPagerItems.with(this).add("Schedule", ScheduleFragment.class) .add("Absences", AbsencesFragment.class).add("Announcements", AnnouncementsFragment.class) .create()); //instantiate UI elements viewPager = (ViewPager) findViewById(R.id.viewpager); viewPagerTab = (SmartTabLayout) findViewById(R.id.viewpagertab); toolbar = (Toolbar) findViewById(R.id.toolbar); navigationView = (NavigationView) findViewById(R.id.nav_view); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer); backFab = findViewById(R.id.backwardFab); forwardFab = findViewById(R.id.forwardFab); calFab = findViewById(R.id.calFab); fabLayout = (FABToolbarLayout) findViewById(R.id.fabtoolbar); containerFab = findViewById(R.id.fabtoolbar_fab); dummy = findViewById(R.id.dummy); backFab.setOnClickListener(this); forwardFab.setOnClickListener(this); calFab.setOnClickListener(this); containerFab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { fabLayout.show(); } }); dummy.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { fabLayout.hide(); return false; } }); //this is fine, UI elements will never be null (hopefully) //used to ignore error messages assert viewPager != null; assert viewPagerTab != null; assert navigationView != null; //viewpager uses FragmentPagerItemAdapter viewPager.setAdapter(a); //tab uses fragments (switching with tap/swiping) lifecycle viewPagerTab.setViewPager(viewPager); //start toolbar setSupportActionBar(toolbar); setupViewPager(viewPager); //setup actionbar with toolbar icons and properties ActionBar supportActionBar = getSupportActionBar(); if (supportActionBar != null) { supportActionBar.setHomeAsUpIndicator(R.drawable.ic_menu_white_24dp); supportActionBar.setDisplayHomeAsUpEnabled(true); } //on any click of the navigation view items navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() { @Override public boolean onNavigationItemSelected(MenuItem menuItem) { //highlight which item is selected int id = menuItem.getItemId(); //load TeacherSearch activity if (id == R.id.teachers) { Intent intent = new Intent(MainActivity.this, TeachersActivity.class); startActivity(intent); } //load chat activity else if (id == R.id.settings) { Intent intent = new Intent(MainActivity.this, SettingsActivity.class); startActivity(intent); } // Closing drawer on item click mDrawerLayout.closeDrawers(); return true; } }); } @Override public void onBackPressed() { fabLayout.hide(); SharedPreferences s = AppController.getAppContext().getSharedPreferences("app", Context.MODE_PRIVATE); SharedPreferences.Editor editor = s.edit(); editor.putString("absenceURL", "http://app.ridgewood.k12.nj.us/api/rhs/absences.php"); editor.putString("dashboardURL", "http://app.ridgewood.k12.nj.us/api/rhs/dashboard.php"); editor.putString("announcementsURL", "http://app.ridgewood.k12.nj.us/api/rhs/announcements.php"); editor.apply(); finish(); } //default adapter that uses SupportFragmentManager, creates new instance of fragment with a tile name private void setupViewPager(ViewPager viewPager) { Adapter adapter = new Adapter(getSupportFragmentManager()); adapter.addFragment(new ScheduleFragment(), "Today's Schedule"); adapter.addFragment(new AbsencesFragment(), "Absent Teachers"); adapter.addFragment(new AnnouncementsFragment(), "Announcments"); viewPager.setAdapter(adapter); } @Override public void onClick(View v) { if (v.getId() == R.id.calFab) { showDialog(); } if (v.getId() == R.id.forwardFab) { showDay(true); } if (v.getId() == R.id.backwardFab) { showDay(false); } } @Override public boolean onTouch(View v, MotionEvent event) { fabLayout.hide(); return true; } //Adapter class to setup viewpager static class Adapter extends FragmentPagerAdapter { List<Fragment> mFragmentList = new ArrayList<>(); public final List<String> mFragmentTitleList = new ArrayList<>(); public Adapter(FragmentManager manager) { super(manager); } @Override public Fragment getItem(int position) { return mFragmentList.get(position); } @Override public int getCount() { return mFragmentList.size(); } public void addFragment(Fragment fragment, String title) { mFragmentList.add(fragment); mFragmentTitleList.add(title); } @Override public CharSequence getPageTitle(int position) { return mFragmentTitleList.get(position); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items tw the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } //options menu dialog choices @Override public boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); //load Settings activity if (id == R.id.action_settings) { SharedPreferences s = AppController.getAppContext().getSharedPreferences("app", Context.MODE_PRIVATE); SharedPreferences.Editor editor = s.edit(); editor.putString("absenceURL", "http://app.ridgewood.k12.nj.us/api/rhs/absences.php"); editor.putString("dashboardURL", "http://app.ridgewood.k12.nj.us/api/rhs/dashboard.php"); editor.putString("announcementsURL", "http://app.ridgewood.k12.nj.us/api/rhs/announcements.php"); editor.apply(); finish(); startActivity(getIntent()); } else if (id == android.R.id.home) { mDrawerLayout.openDrawer(GravityCompat.START); } return super.onOptionsItemSelected(item); } public void showDialog() { Calendar now = Calendar.getInstance(); int year = now.get(Calendar.YEAR); int month = now.get(Calendar.MONTH); int day = now.get(Calendar.DAY_OF_MONTH); DatePickerDialog dpd = DatePickerDialog.newInstance(MainActivity.this, year, month, day); dpd.setMinDate(firstDayOfSchool); dpd.setMaxDate(lastDayOfSchool); dpd.setThemeDark(false); dpd.vibrate(true); dpd.dismissOnPause(true); dpd.showYearPickerFirst(false); dpd.setAccentColor(getResources().getColor(R.color.maroon)); dpd.show(getFragmentManager(), "Datepickerdialog"); } @Override public void onResume() { super.onResume(); DatePickerDialog dpd = (DatePickerDialog) getFragmentManager().findFragmentByTag("Datepickerdialog"); if (dpd != null) dpd.setOnDateSetListener(this); } @Override public void onDateSet(DatePickerDialog view, int year, int monthOfYear, int dayOfMonth) { SharedPreferences s = AppController.getAppContext().getSharedPreferences("app", Context.MODE_PRIVATE); SharedPreferences.Editor editor = s.edit(); String absenceURL; String dashboardURL; String announcementsURL; monthOfYear++; current.set(year, monthOfYear, dayOfMonth); if (monthOfYear < 10) { if (dayOfMonth < 10) { absenceURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-0" + monthOfYear + "-0" + dayOfMonth; dashboardURL = "http://app.ridgewood.k12.nj.us/api/rhs/dashboard.php?date=" + year + "-0" + monthOfYear + "-0" + dayOfMonth; announcementsURL = "http://app.ridgewood.k12.nj.usapi/rhs/announcements.php?date=" + year + "-0" + monthOfYear + "-0" + dayOfMonth; } else { absenceURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-0" + monthOfYear + "-" + dayOfMonth; dashboardURL = "http://app.ridgewood.k12.nj.us/api/rhs/dashboard.php?date=" + year + "-0" + monthOfYear + "-" + dayOfMonth; announcementsURL = "http://app.ridgewood.k12.nj.us/api/rhs/announcements.php?date=" + year + "-0" + monthOfYear + "-" + dayOfMonth; } } else if (dayOfMonth < 10) { absenceURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-" + monthOfYear + "-0" + dayOfMonth; dashboardURL = "http://app.ridgewood.k12.nj.us/api/rhs/dashboard.php?date=" + year + "-" + monthOfYear + "-0" + dayOfMonth; announcementsURL = "http://app.ridgewood.k12.nj.us/api/rhs/announcements.php?date=" + year + "-" + monthOfYear + "-0" + dayOfMonth; } else { absenceURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-" + monthOfYear + "-" + dayOfMonth; dashboardURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-" + monthOfYear + "-" + dayOfMonth; announcementsURL = "http://app.ridgewood.k12.nj.us/api/rhs/announcements.php?date=" + year + "-" + monthOfYear + "-" + dayOfMonth; } Log.e("ABSENCE", dashboardURL); editor.putString("absenceURL", absenceURL); editor.putString("dashboardURL", dashboardURL); editor.putString("announcementsURL", announcementsURL); editor.apply(); finish(); startActivity(getIntent()); } public void showDay(boolean next) { SharedPreferences s = AppController.getAppContext().getSharedPreferences("app", Context.MODE_PRIVATE); SharedPreferences.Editor editor = s.edit(); String absenceURL; String dashboardURL; String announcementsURL; Calendar now = current; int year = now.get(Calendar.YEAR); int monthOfYear = now.get(Calendar.MONTH); int dayOfMonth = now.get(Calendar.DAY_OF_MONTH); monthOfYear++; if (next) { dayOfMonth += 1; } else { dayOfMonth -= 1; } Calendar c = Calendar.getInstance(); current.set((c.get(Calendar.YEAR)), dayOfMonth, c.get(Calendar.DAY_OF_MONTH)); if (monthOfYear < 10) { if (dayOfMonth < 10) { absenceURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-0" + monthOfYear + "-0" + dayOfMonth; dashboardURL = "http://app.ridgewood.k12.nj.us/api/rhs/dashboard.php?date=" + year + "-0" + monthOfYear + "-0" + dayOfMonth; announcementsURL = "http://app.ridgewood.k12.nj.usapi/rhs/announcements.php?date=" + year + "-0" + monthOfYear + "-0" + dayOfMonth; } else { absenceURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-0" + monthOfYear + "-" + dayOfMonth; dashboardURL = "http://app.ridgewood.k12.nj.us/api/rhs/dashboard.php?date=" + year + "-0" + monthOfYear + "-" + dayOfMonth; announcementsURL = "http://app.ridgewood.k12.nj.us/api/rhs/announcements.php?date=" + year + "-0" + monthOfYear + "-" + dayOfMonth; } } else if (dayOfMonth < 10) { absenceURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-" + monthOfYear + "-0" + dayOfMonth; dashboardURL = "http://app.ridgewood.k12.nj.us/api/rhs/dashboard.php?date=" + year + "-" + monthOfYear + "-0" + dayOfMonth; announcementsURL = "http://app.ridgewood.k12.nj.us/api/rhs/announcements.php?date=" + year + "-" + monthOfYear + "-0" + dayOfMonth; } else { absenceURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-" + monthOfYear + "-" + dayOfMonth; dashboardURL = "http://app.ridgewood.k12.nj.us/api/rhs/absences.php?date=" + year + "-" + monthOfYear + "-" + dayOfMonth; announcementsURL = "http://app.ridgewood.k12.nj.us/api/rhs/announcements.php?date=" + year + "-" + monthOfYear + "-" + dayOfMonth; } editor.putString("absenceURL", absenceURL); editor.putString("dashboardURL", dashboardURL); editor.putString("announcementsURL", announcementsURL); editor.apply(); finish(); startActivity(getIntent()); } }