Java tutorial
/* * </summary> * Source File : AttendanceActivity.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.content.Intent; import android.os.Bundle; 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.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.RelativeLayout; import android.widget.TextView; import com.openarc.nirmal.mytrack.tasks.AttendanceTask; import com.openarc.nirmal.mytrack.util.MyTrackConfig; import com.openarc.nirmal.mytrack.view.AttendanceView; import com.squareup.picasso.Picasso; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Locale; import de.hdodenhof.circleimageview.CircleImageView; public class AttendanceActivity extends BaseActivity implements NavigationView.OnNavigationItemSelectedListener { AttendanceView attendanceView; View.OnTouchListener fromOnTouch = new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { hideKeyBord(); attendanceView.etFrom.setError(null); attendanceView.etTo.setError(null); attendanceView.etFrom.setInputType(InputType.TYPE_NULL); Calendar c = Calendar.getInstance(); new DatePickerDialog(AttendanceActivity.this, R.style.MyTackDataPicker, new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { attendanceView.etFrom.setText(year + "-" + String.format("%02d", (monthOfYear + 1)) + "-" + String.format("%02d", dayOfMonth)); } }, c.get(Calendar.YEAR), c.get(Calendar.MONTH) - 1, c.get(Calendar.DATE)).show(); } return false; } }; View.OnTouchListener toOnTouch = new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { hideKeyBord(); attendanceView.etFrom.setError(null); attendanceView.etTo.setError(null); attendanceView.etTo.setInputType(InputType.TYPE_NULL); Calendar c = Calendar.getInstance(); new DatePickerDialog(AttendanceActivity.this, R.style.MyTackDataPicker, new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { attendanceView.etTo.setText(year + "-" + String.format("%02d", (monthOfYear + 1)) + "-" + String.format("%02d", dayOfMonth)); } }, c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DATE)).show(); } return false; } }; View.OnClickListener viewButtonOnClick = new View.OnClickListener() { @Override public void onClick(View v) { try { if (validate()) { new AttendanceTask(attendanceView, AttendanceActivity.this).execute(); } } catch (ParseException e) { showSnackBar(v, "Date range error"); } } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_attendance); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); initialize(); 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(AttendanceActivity.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); } private void initialize() { attendanceView = new AttendanceView(); attendanceView.etFrom = (EditText) findViewById(R.id.etFrom); attendanceView.etFrom.setInputType(InputType.TYPE_NULL); attendanceView.etTo = (EditText) findViewById(R.id.etTo); attendanceView.etTo.setInputType(InputType.TYPE_NULL); attendanceView.tvNoPay = (TextView) findViewById(R.id.tvNoPay); attendanceView.tvMissingIn = (TextView) findViewById(R.id.tvMissingIn); attendanceView.tvMissingOut = (TextView) findViewById(R.id.tvMissingOut); attendanceView.bView = (Button) findViewById(R.id.bView); attendanceView.rvAttendance = (RecyclerView) findViewById(R.id.rvAttendance); attendanceView.rlLoadingLayout = (RelativeLayout) findViewById(R.id.rlLoadingLayout); attendanceView.etFrom.setOnTouchListener(fromOnTouch); attendanceView.etTo.setOnTouchListener(toOnTouch); attendanceView.bView.setOnClickListener(viewButtonOnClick); } private Boolean validate() throws ParseException { if (attendanceView.etFrom.getText().toString().trim().contentEquals("")) { attendanceView.etFrom.setError("Select a Date"); return false; } else if (attendanceView.etTo.getText().toString().trim().contentEquals("")) { attendanceView.etTo.setError("Select a Date"); return false; } else if (!validateDate()) { attendanceView.etTo.setError("Date rage is no valid"); return false; } else { return true; } } private boolean validateDate() throws ParseException { return (new SimpleDateFormat("yyyy-MM-dd", Locale.US) .parse(attendanceView.etFrom.getText().toString().trim()) .before(new SimpleDateFormat("yyyy-MM-dd", Locale.US) .parse(attendanceView.etTo.getText().toString()))); } @SuppressWarnings("StatementWithEmptyBody") @Override public boolean onNavigationItemSelected(MenuItem item) { 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_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; case R.id.nav_meeting_rooms: startActivity(new Intent(this, MeetingRoomActivity.class)); finish(); break; } DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); drawer.closeDrawer(GravityCompat.START); return true; } @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); } }