Android学习教程之日历库使用（15）_安卓软件开发教程-查字典教程网

本教程为大家分享了Android日历库的使用方法，供大家参考，具体内容如下

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); } }); } }

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(); } }

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 " PM" : (hour == 0 " : 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; } }

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; } }

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; } }

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); }

app项目结构:

Android学习教程之日历库使用（15）1