安卓Andriod使用入门(十五)【日历库】

挫折经历的太少，所以总是把一些琐碎的小事看得很重。

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MainActivity.java代码:

package siso.weekv;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        findViewById(R.id.buttonBasic).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this, BasicActivity.class);
                startActivity(intent);
            }
        });

        findViewById(R.id.buttonAsynchronous).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this, AsynchronousActivity.class);
                startActivity(intent);
            }
        });
    }

}

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AsynchronousActivity.java代码:

package siso.weekv;

import android.widget.Toast;



import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

import retrofit.Callback;
import retrofit.RestAdapter;
import retrofit.RetrofitError;
import retrofit.client.Response;
import siso.weekv.apiclient.Event;
import siso.weekv.apiclient.MyJsonService;
import siso.wvlib.WeekViewEvent;


/**
 * An example of how events can be fetched from network and be displayed on the week view.
 * Created by Raquib-ul-Alam Kanak on 1/3/2014.
 * Website: http://alamkanak.github.io
 */
public class AsynchronousActivity extends BaseActivity implements Callback<List<Event>> {

private List<WeekViewEvent> events = new ArrayList<WeekViewEvent>();
    boolean calledNetwork = false;

@Override
    public List<? extends WeekViewEvent> onMonthChange(int newYear, int newMonth) {

// Download events from network if it hasn't been done already. To understand how events are
// downloaded using retrofit, visit http://square.github.io/retrofit
if (!calledNetwork) {
            RestAdapter retrofit = new RestAdapter.Builder()
                    .setEndpoint("https://api.myjson.com/bins")
                    .build();
            MyJsonService service = retrofit.create(MyJsonService.class);
            service.listEvents(this);
            calledNetwork = true;
        }

// Return only the events that matches newYear and newMonth.
        List<WeekViewEvent> matchedEvents = new ArrayList<WeekViewEvent>();
for (WeekViewEvent event : events) {
if (eventMatches(event, newYear, newMonth)) {
                matchedEvents.add(event);
            }
        }
return matchedEvents;
    }

/**
 * Checks if an event falls into a specific year and month.
 * @param event The event to check for.
 * @param year The year.
 * @param month The month.
 * @return True if the event matches the year and month.
 */
private boolean eventMatches(WeekViewEvent event, int year, int month) {
return (event.getStartTime().get(Calendar.YEAR) == year && event.getStartTime().get(Calendar.MONTH) == month - 1) || (event.getEndTime().get(Calendar.YEAR) == year && event.getEndTime().get(Calendar.MONTH) == month - 1);
    }

@Override
    public void success(List<Event> events, Response response) {
this.events.clear();
for (Event event : events) {
this.events.add(event.toWeekViewEvent());
        }
        getWeekView().notifyDatasetChanged();
    }

@Override
    public void failure(RetrofitError error) {
        error.printStackTrace();
        Toast.makeText(this, R.string.async_error, Toast.LENGTH_SHORT).show();
    }
}

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BaseActivity.java

package siso.weekv;

import android.graphics.RectF;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.TypedValue;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;

import siso.wvlib.DateTimeInterpreter;
import siso.wvlib.MonthLoader;
import siso.wvlib.WeekView;
import siso.wvlib.WeekViewEvent;

public abstract class BaseActivity extends AppCompatActivity implements WeekView.EventClickListener, MonthLoader.MonthChangeListener, WeekView.EventLongPressListener, WeekView.EmptyViewLongPressListener {
private static final int TYPE_DAY_VIEW = 1;
private static final int TYPE_THREE_DAY_VIEW = 2;
private static final int TYPE_WEEK_VIEW = 3;
private int mWeekViewType = TYPE_THREE_DAY_VIEW;
private WeekView mWeekView;


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_base);

// Get a reference for the week view in the layout.
        mWeekView = (WeekView) findViewById(R.id.weekView);

// Show a toast message about the touched event.
        mWeekView.setOnEventClickListener(this);


        mWeekView.setMonthChangeListener(this);

// Set long press listener for events.
        mWeekView.setEventLongPressListener(this);


        mWeekView.setEmptyViewLongPressListener(this);


        setupDateTimeInterpreter(false);
    }


@Override
public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
return true;
    }

@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
        setupDateTimeInterpreter(id == R.id.action_week_view);
switch (id){
case R.id.action_today:
                mWeekView.goToToday();
return true;
case R.id.action_day_view:
if (mWeekViewType != TYPE_DAY_VIEW) {
                    item.setChecked(!item.isChecked());
                    mWeekViewType = TYPE_DAY_VIEW;
                    mWeekView.setNumberOfVisibleDays(1);

// Lets change some dimensions to best fit the view.
                    mWeekView.setColumnGap((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 8, getResources().getDisplayMetrics()));
                    mWeekView.setTextSize((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 12, getResources().getDisplayMetrics()));
                    mWeekView.setEventTextSize((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 12, getResources().getDisplayMetrics()));
                }
return true;
case R.id.action_three_day_view:
if (mWeekViewType != TYPE_THREE_DAY_VIEW) {
                    item.setChecked(!item.isChecked());
                    mWeekViewType = TYPE_THREE_DAY_VIEW;
                    mWeekView.setNumberOfVisibleDays(3);

// Lets change some dimensions to best fit the view.
                    mWeekView.setColumnGap((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 8, getResources().getDisplayMetrics()));
                    mWeekView.setTextSize((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 12, getResources().getDisplayMetrics()));
                    mWeekView.setEventTextSize((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 12, getResources().getDisplayMetrics()));
                }
return true;
case R.id.action_week_view:
if (mWeekViewType != TYPE_WEEK_VIEW) {
                    item.setChecked(!item.isChecked());
                    mWeekViewType = TYPE_WEEK_VIEW;
                    mWeekView.setNumberOfVisibleDays(7);


                    mWeekView.setColumnGap((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2, getResources().getDisplayMetrics()));
                    mWeekView.setTextSize((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 10, getResources().getDisplayMetrics()));
                    mWeekView.setEventTextSize((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 10, getResources().getDisplayMetrics()));
                }
return true;
        }

return super.onOptionsItemSelected(item);
    }


private void setupDateTimeInterpreter(final boolean shortDate) {
        mWeekView.setDateTimeInterpreter(new DateTimeInterpreter() {
@Override
public String interpretDate(Calendar date) {
                SimpleDateFormat weekdayNameFormat = new SimpleDateFormat("EEE", Locale.getDefault());
                String weekday = weekdayNameFormat.format(date.getTime());
                SimpleDateFormat format = new SimpleDateFormat(" M/d", Locale.getDefault());


if (shortDate)
                    weekday = String.valueOf(weekday.charAt(0));
return weekday.toUpperCase() + format.format(date.getTime());
            }

@Override
public String interpretTime(int hour) {
return hour > 11 ? (hour - 12) + " PM" : (hour == 0 ? "12 AM" : hour + " AM");
            }
        });
    }

protected String getEventTitle(Calendar time) {
return String.format("事件 %02d:%02d %s/%d", time.get(Calendar.HOUR_OF_DAY), time.get(Calendar.MINUTE), time.get(Calendar.MONTH)+1, time.get(Calendar.DAY_OF_MONTH));
    }

@Override
public void onEventClick(WeekViewEvent event, RectF eventRect) {
        Toast.makeText(this, "点击 " + event.getName(), Toast.LENGTH_SHORT).show();
    }

@Override
public void onEventLongPress(WeekViewEvent event, RectF eventRect) {
        Toast.makeText(this, "长按事件: " + event.getName(), Toast.LENGTH_SHORT).show();
    }

@Override
public void onEmptyViewLongPress(Calendar time) {
        Toast.makeText(this, "空视图长按: " + getEventTitle(time), Toast.LENGTH_SHORT).show();
    }

public WeekView getWeekView() {
return mWeekView;
    }
}

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BasicActivity.java

package siso.weekv;



import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

import siso.wvlib.WeekViewEvent;


public class BasicActivity extends BaseActivity {

    @Override
    public List<? extends WeekViewEvent> onMonthChange(int newYear, int newMonth) {
        // Populate the week view with some events.
        List<WeekViewEvent> events = new ArrayList<WeekViewEvent>();

        Calendar startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 3);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth-1);
        startTime.set(Calendar.YEAR, newYear);
        Calendar endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR, 1);
        endTime.set(Calendar.MONTH, newMonth-1);
        WeekViewEvent event = new WeekViewEvent(1, getEventTitle(startTime), startTime, endTime);
        event.setColor(getResources().getColor(R.color.event_color_01));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 3);
        startTime.set(Calendar.MINUTE, 30);
        startTime.set(Calendar.MONTH, newMonth-1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.set(Calendar.HOUR_OF_DAY, 4);
        endTime.set(Calendar.MINUTE, 30);
        endTime.set(Calendar.MONTH, newMonth-1);
        event = new WeekViewEvent(10, getEventTitle(startTime), startTime, endTime);
        event.setColor(getResources().getColor(R.color.event_color_02));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 4);
        startTime.set(Calendar.MINUTE, 20);
        startTime.set(Calendar.MONTH, newMonth-1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.set(Calendar.HOUR_OF_DAY, 5);
        endTime.set(Calendar.MINUTE, 0);
        event = new WeekViewEvent(10, getEventTitle(startTime), startTime, endTime);
        event.setColor(getResources().getColor(R.color.event_color_03));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 5);
        startTime.set(Calendar.MINUTE, 30);
        startTime.set(Calendar.MONTH, newMonth-1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 2);
        endTime.set(Calendar.MONTH, newMonth-1);
        event = new WeekViewEvent(2, getEventTitle(startTime), startTime, endTime);
        event.setColor(getResources().getColor(R.color.event_color_02));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 5);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth-1);
        startTime.set(Calendar.YEAR, newYear);
        startTime.add(Calendar.DATE, 1);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 3);
        endTime.set(Calendar.MONTH, newMonth - 1);
        event = new WeekViewEvent(3, getEventTitle(startTime), startTime, endTime);
        event.setColor(getResources().getColor(R.color.event_color_03));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.DAY_OF_MONTH, 15);
        startTime.set(Calendar.HOUR_OF_DAY, 3);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth-1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 3);
        event = new WeekViewEvent(4, getEventTitle(startTime), startTime, endTime);
        event.setColor(getResources().getColor(R.color.event_color_04));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.DAY_OF_MONTH, 1);
        startTime.set(Calendar.HOUR_OF_DAY, 3);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth-1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 3);
        event = new WeekViewEvent(5, getEventTitle(startTime), startTime, endTime);
        event.setColor(getResources().getColor(R.color.event_color_01));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.DAY_OF_MONTH, startTime.getActualMaximum(Calendar.DAY_OF_MONTH));
        startTime.set(Calendar.HOUR_OF_DAY, 15);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth-1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 3);
        event = new WeekViewEvent(5, getEventTitle(startTime), startTime, endTime);
        event.setColor(getResources().getColor(R.color.event_color_02));
        events.add(event);

        return events;
    }

}

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apiclient文件夹下Event.java和MyJsonService.java

package siso.weekv.apiclient;

import android.annotation.SuppressLint;
import android.graphics.Color;


import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

import siso.wvlib.WeekViewEvent;


public class Event {

@Expose @SerializedName("name")
private String mName;
@Expose @SerializedName("dayOfMonth")
private int mDayOfMonth;
@Expose @SerializedName("startTime")
private String mStartTime;
@Expose @SerializedName("endTime")
private String mEndTime;
@Expose @SerializedName("color")
private String mColor;

public String getName() {
return mName;
    }

public void setName(String name) {
this.mName = name;
    }

public int getDayOfMonth() {
return mDayOfMonth;
    }

public void setDayOfMonth(int dayOfMonth) {
this.mDayOfMonth = dayOfMonth;
    }

public String getStartTime() {
return mStartTime;
    }

public void setStartTime(String startTime) {
this.mStartTime = startTime;
    }

public String getEndTime() {
return mEndTime;
    }

public void setEndTime(String endTime) {
this.mEndTime = endTime;
    }

public String getColor() {
return mColor;
    }

public void setColor(String color) {
this.mColor = color;
    }

@SuppressLint("SimpleDateFormat")
public WeekViewEvent toWeekViewEvent(){

// Parse time.
        SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
        Date start = new Date();
        Date end = new Date();
try {
            start = sdf.parse(getStartTime());
        } catch (ParseException e) {
            e.printStackTrace();
        }
try {
            end = sdf.parse(getEndTime());
        } catch (ParseException e) {
            e.printStackTrace();
        }

// Initialize start and end time.
        Calendar now = Calendar.getInstance();
        Calendar startTime = (Calendar) now.clone();
        startTime.setTimeInMillis(start.getTime());
        startTime.set(Calendar.YEAR, now.get(Calendar.YEAR));
        startTime.set(Calendar.MONTH, now.get(Calendar.MONTH));
        startTime.set(Calendar.DAY_OF_MONTH, getDayOfMonth());
        Calendar endTime = (Calendar) startTime.clone();
        endTime.setTimeInMillis(end.getTime());
        endTime.set(Calendar.YEAR, startTime.get(Calendar.YEAR));
        endTime.set(Calendar.MONTH, startTime.get(Calendar.MONTH));
        endTime.set(Calendar.DAY_OF_MONTH, startTime.get(Calendar.DAY_OF_MONTH));

// Create an week view event.
        WeekViewEvent weekViewEvent = new WeekViewEvent();
        weekViewEvent.setName(getName());
        weekViewEvent.setStartTime(startTime);
        weekViewEvent.setEndTime(endTime);
        weekViewEvent.setColor(Color.parseColor(getColor()));

return weekViewEvent;
    }
}

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package siso.weekv.apiclient;

import java.util.List;

import retrofit.Callback;
import retrofit.http.GET;

/**
 * Created by Raquib-ul-Alam Kanak on 1/3/16.
 * Website: http://alamkanak.github.io
 */
public interface MyJsonService {

//https://api.myjson.com/bins/3nh0k
@GET("/3nh0k")
void listEvents(Callback<List<Event>> eventsCallback);

}

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app项目结构:

Andriod类库项目结构:

项目运行结果如图:

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