Java tutorial
/* * </summary> * Source File : MeetingRoomActivity.java * Project : MyTrack * Module : app * Owner : nirmal * </summary> * * <license> * Copyright 2016 Kasun Gunathilaka * * 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. * </license> */ package com.openarc.nirmal.mytrack; import android.app.DatePickerDialog; import android.app.TimePickerDialog; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.NavigationView; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AlertDialog; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.Toolbar; import android.text.InputType; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.widget.Button; import android.widget.DatePicker; import android.widget.EditText; import android.widget.ImageView; import android.widget.Spinner; import android.widget.TextView; import android.widget.TimePicker; import com.openarc.nirmal.mytrack.adapter.MeetingAdapter; import com.openarc.nirmal.mytrack.adapter.ReservationAdapter; import com.openarc.nirmal.mytrack.event.MeetingRetrievedEvent; import com.openarc.nirmal.mytrack.model.MeetingRoom; import com.openarc.nirmal.mytrack.tasks.MeetingTask; import com.openarc.nirmal.mytrack.util.MyTrackConfig; import com.openarc.nirmal.mytrack.view.MeetingRoomDialogView; import com.squareup.picasso.Picasso; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Locale; import de.greenrobot.event.EventBus; import de.hdodenhof.circleimageview.CircleImageView; public class MeetingRoomActivity extends BaseActivity implements NavigationView.OnNavigationItemSelectedListener { MeetingAdapter mMeetingAdapter; ReservationAdapter mReservationAdapter; RecyclerView rvMeetingRoom, rvReservation; MeetingRoomDialogView mMeetingRoomDialogView; View.OnTouchListener toOnClick = new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { hideKeyBord(); mMeetingRoomDialogView.etTo.setError(null); mMeetingRoomDialogView.etFrom.setError(null); mMeetingRoomDialogView.etTo.setInputType(InputType.TYPE_NULL); Calendar mcurrentTime = Calendar.getInstance(); int hour = mcurrentTime.get(Calendar.HOUR_OF_DAY) + 1; int minute = mcurrentTime.get(Calendar.MINUTE); TimePickerDialog mTimePicker; mTimePicker = new TimePickerDialog(MeetingRoomActivity.this, R.style.MyTackDataPicker, new TimePickerDialog.OnTimeSetListener() { @Override public void onTimeSet(TimePicker timePicker, int selectedHour, int selectedMinute) { mMeetingRoomDialogView.etTo.setText(String.format("%02d", selectedHour) + ":" + String.format("%02d", selectedMinute) + ":00"); } }, hour, minute, true);//Yes 24 hour time mTimePicker.setTitle("Select Time"); mTimePicker.show(); } return false; } }; View.OnTouchListener fromOnClick = new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { hideKeyBord(); mMeetingRoomDialogView.etFrom.setError(null); mMeetingRoomDialogView.etTo.setError(null); mMeetingRoomDialogView.etFrom.setInputType(InputType.TYPE_NULL); Calendar mcurrentTime = Calendar.getInstance(); int hour = mcurrentTime.get(Calendar.HOUR_OF_DAY); int minute = mcurrentTime.get(Calendar.MINUTE); mcurrentTime.get(Calendar.AM_PM); TimePickerDialog mTimePicker; mTimePicker = new TimePickerDialog(MeetingRoomActivity.this, R.style.MyTackDataPicker, new TimePickerDialog.OnTimeSetListener() { @Override public void onTimeSet(TimePicker timePicker, int selectedHour, int selectedMinute) { mMeetingRoomDialogView.etFrom.setText(String.format("%02d", selectedHour) + ":" + String.format("%02d", selectedMinute) + ":00"); } }, hour, minute, true);//Yes 24 hour time mTimePicker.setTitle("Select Time"); mTimePicker.show(); } return false; } }; View.OnTouchListener dateOnClick = new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { hideKeyBord(); mMeetingRoomDialogView.etDate.setError(null); mMeetingRoomDialogView.etDate.setInputType(InputType.TYPE_NULL); Calendar c = Calendar.getInstance(); new DatePickerDialog(MeetingRoomActivity.this, R.style.MyTackDataPicker, new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { mMeetingRoomDialogView.etDate.setText( year + "-" + String.format("%02d", (monthOfYear + 1)) + "-" + dayOfMonth); } }, c.get(Calendar.YEAR), c.get(Calendar.MONTH) - 1, c.get(Calendar.DATE)).show(); } return false; } }; MeetingAdapter.OnItemClickListener meetingOnClick = new MeetingAdapter.OnItemClickListener() { @Override public void onItemClick(MeetingRoom mMeetingRoom) { } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_meeting_room); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab); fab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { showMeetingRoomDialog(); } }); DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close); drawer.setDrawerListener(toggle); toggle.syncState(); NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); if (!MyTrackConfig.getInstance().submitAuthorized) hideLeaveSubmit(navigationView); Picasso.with(MeetingRoomActivity.this).load(MyTrackConfig.getInstance().imageUrl) .into((CircleImageView) navigationView.getHeaderView(0).findViewById(R.id.ivUser)); ((TextView) navigationView.getHeaderView(0).findViewById(R.id.tvLoggedUser)) .setText(MyTrackConfig.getInstance().loggedUser); navigationView.setNavigationItemSelectedListener(this); rvMeetingRoom = (RecyclerView) findViewById(R.id.rvMeetingRoom); rvReservation = (RecyclerView) findViewById(R.id.rvReservation); showWaiting(this); new MeetingTask("GET", null).execute(); } @Override public void onBackPressed() { DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); if (drawer.isDrawerOpen(GravityCompat.START)) { drawer.closeDrawer(GravityCompat.START); } else { finish(); } } @SuppressWarnings("StatementWithEmptyBody") @Override public boolean onNavigationItemSelected(MenuItem item) { // Handle navigation view item clicks here. switch (item.getItemId()) { case R.id.nav_home: finish(); break; case R.id.nav_contacts: startActivity(new Intent(this, ContactActivity.class)); finish(); break; case R.id.nav_view_attendance: startActivity(new Intent(this, AttendanceActivity.class)); finish(); break; case R.id.nav_leave_requests: startActivity(new Intent(this, LeaveRequestActivity.class)); finish(); break; case R.id.nav_leave_utilization: startActivity(new Intent(this, LeaveUtilizationActivity.class)); finish(); break; case R.id.nav_gate_pass_request: startActivity(new Intent(this, GatePassRequestActivity.class)); finish(); break; case R.id.nav_osm_contact: startActivity(new Intent(this, ContactActivity.class)); finish(); break; case R.id.nav_cir_contact: startActivity(new Intent(this, CIRContactActivity.class)); finish(); break; case R.id.nav_openarc_customers: startActivity(new Intent(this, CustomerActivity.class)); finish(); break; } DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); drawer.closeDrawer(GravityCompat.START); return true; } @Override protected void onResume() { super.onResume(); EventBus.getDefault().register(this); } @Override protected void onPause() { super.onPause(); EventBus.getDefault().unregister(this); } public void onEvent(MeetingRetrievedEvent event) { if (event.mMeetingRoomList == null) { return; } if (event.mReservationStatus.contentEquals("ERROR")) { showSnackBar(rvReservation, "Reservation cannot completed between given time"); } mMeetingAdapter = new MeetingAdapter(MeetingRoomActivity.this, meetingOnClick, event.mMeetingRoomList); rvMeetingRoom.setHasFixedSize(true); rvMeetingRoom.setLayoutManager(new LinearLayoutManager(MeetingRoomActivity.this)); rvMeetingRoom.setAdapter(mMeetingAdapter); mReservationAdapter = new ReservationAdapter(MeetingRoomActivity.this, event.mReservationList); rvReservation.setHasFixedSize(true); rvReservation.setLayoutManager(new LinearLayoutManager(MeetingRoomActivity.this)); rvReservation.setAdapter(mReservationAdapter); dismissWaiting(); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.menu_about: AboutDialog(); break; case R.id.menu_logout: Intent intent = new Intent(getApplicationContext(), LoginActivity.class); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); startActivity(intent); break; } return super.onOptionsItemSelected(item); } private void showMeetingRoomDialog() { mMeetingRoomDialogView = new MeetingRoomDialogView(); AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(MeetingRoomActivity.this); View dialogView = getLayoutInflater().inflate(R.layout.dialog_view_meeting_room, null); alertDialogBuilder.setView(dialogView); ImageView ivClose = (ImageView) dialogView.findViewById(R.id.ivClose); mMeetingRoomDialogView.tvDialogTitle = (TextView) dialogView.findViewById(R.id.tvDialogTitle); mMeetingRoomDialogView.spLocation = (Spinner) dialogView.findViewById(R.id.spLocation); mMeetingRoomDialogView.etDate = (EditText) dialogView.findViewById(R.id.etDate); mMeetingRoomDialogView.etFrom = (EditText) dialogView.findViewById(R.id.etFrom); mMeetingRoomDialogView.etTo = (EditText) dialogView.findViewById(R.id.etTo); mMeetingRoomDialogView.etReason = (EditText) dialogView.findViewById(R.id.etReason); mMeetingRoomDialogView.tvDialogTitle.setText("Reserve Meeting Room"); alertDialogBuilder.setPositiveButton("Reserve", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); alertDialogBuilder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); final AlertDialog mAlertDialog = alertDialogBuilder.create(); mMeetingRoomDialogView.etDate.setOnTouchListener(dateOnClick); mMeetingRoomDialogView.etFrom.setOnTouchListener(fromOnClick); mMeetingRoomDialogView.etTo.setOnTouchListener(toOnClick); ivClose.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { mAlertDialog.dismiss(); } return false; } }); mAlertDialog.show(); Button mPositiveButton = mAlertDialog.getButton(DialogInterface.BUTTON_POSITIVE); mAlertDialog.getButton(DialogInterface.BUTTON_NEGATIVE) .setTextColor(getResources().getColor(R.color.colorAccent)); mPositiveButton.setTextColor(getResources().getColor(R.color.colorPrimary)); mPositiveButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { try { if (validate()) { String ReserveDate = mMeetingRoomDialogView.etDate.getText().toString(); String ReserveTimeFrom = mMeetingRoomDialogView.etFrom.getText().toString(); String ReserveTimeTo = mMeetingRoomDialogView.etTo.getText().toString(); String Reason = mMeetingRoomDialogView.etReason.getText().toString(); String roomId = "1"; switch (mMeetingRoomDialogView.spLocation.getSelectedItem().toString()) { case "2nd Floor Auditorium": roomId = "1"; break; case "3rd Floor Auditorium": roomId = "2"; break; case "4th Floor Meeting Room": roomId = "3"; break; } String parameter; try { parameter = "roomId=" + roomId + "&ReserveDate=" + URLEncoder.encode(ReserveDate, "UTF-8") + "&ReserveTimeFrom=" + URLEncoder.encode(ReserveTimeFrom, "UTF-8") + "&ReserveTimeTo=" + URLEncoder.encode(ReserveTimeTo, "UTF-8") + "&Reason=" + URLEncoder.encode(Reason, "UTF-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); parameter = ""; } new MeetingTask("POST", parameter).execute(); showWaiting(MeetingRoomActivity.this); mAlertDialog.dismiss(); } } catch (ParseException e) { showToast("Time range validation error"); } } }); } private boolean validate() throws ParseException { if (mMeetingRoomDialogView.etDate.getText().toString().contentEquals("")) { mMeetingRoomDialogView.etDate.setError("Cannot be empty"); return false; } else if (mMeetingRoomDialogView.etFrom.getText().toString().contentEquals("")) { mMeetingRoomDialogView.etFrom.setError("Cannot be empty"); return false; } else if (mMeetingRoomDialogView.etTo.getText().toString().contentEquals("")) { mMeetingRoomDialogView.etTo.setError("Cannot be empty"); return false; } else if (mMeetingRoomDialogView.etReason.getText().toString().contentEquals("")) { mMeetingRoomDialogView.etReason.setError("Cannot be empty"); return false; } else if (validateTime()) { mMeetingRoomDialogView.etTo.setError("Duration is invalid"); return false; } else { return true; } } private boolean validateTime() throws ParseException { return (new SimpleDateFormat("HH:mm:ss", Locale.US) .parse(mMeetingRoomDialogView.etTo.getText().toString().trim()) .before(new SimpleDateFormat("HH:mm:ss", Locale.US) .parse(mMeetingRoomDialogView.etFrom.getText().toString()))); } }