package com.prolificinteractive.materialcalendarview.sample; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; import android.widget.Toast; import butterknife.BindView; import butterknife.ButterKnife; import com.prolificinteractive.materialcalendarview.CalendarDay; import com.prolificinteractive.materialcalendarview.MaterialCalendarView; import com.prolificinteractive.materialcalendarview.OnDateLongClickListener; import com.prolificinteractive.materialcalendarview.OnDateSelectedListener; import com.prolificinteractive.materialcalendarview.OnMonthChangedListener; import org.threeten.bp.format.DateTimeFormatter; /** * Shows off the most basic usage */ public class BasicActivity extends AppCompatActivity implements OnDateSelectedListener, OnMonthChangedListener, OnDateLongClickListener { private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("EEE, d MMM yyyy"); @BindView(R.id.calendarView) MaterialCalendarView widget; @BindView(R.id.textView) TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_basic); ButterKnife.bind(this); widget.setOnDateChangedListener(this); widget.setOnDateLongClickListener(this); widget.setOnMonthChangedListener(this); //Setup initial text textView.setText("No Selection"); } @Override public void onDateSelected( @NonNull MaterialCalendarView widget, @NonNull CalendarDay date, boolean selected) { textView.setText(selected ? FORMATTER.format(date.getDate()) : "No Selection"); } @Override public void onDateLongClick(@NonNull MaterialCalendarView widget, @NonNull CalendarDay date) { final String text = String.format("%s is available", FORMATTER.format(date.getDate())); Toast.makeText(this, text, Toast.LENGTH_SHORT).show(); } @Override public void onMonthChanged(MaterialCalendarView widget, CalendarDay date) { //noinspection ConstantConditions getSupportActionBar().setTitle(FORMATTER.format(date.getDate())); } }