Back to project page CalendarWidget.
The source code is released under:
MIT License
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package co.sfng.calendarwidget; //from w w w. j av a 2s .c o m import android.annotation.TargetApi; import android.app.PendingIntent; import android.appwidget.AppWidgetManager; import android.appwidget.AppWidgetProvider; import android.content.ContentUris; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.content.res.Resources; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.preference.PreferenceManager; import android.provider.CalendarContract; import android.provider.CalendarContract.Events; import android.text.format.DateFormat; import android.widget.RemoteViews; import java.util.Calendar; import java.util.List; public class CalendarWidgetProvider extends AppWidgetProvider { private static final String ACTION_PREVIOUS_MONTH = "co.sfng.calendarwidget.ACTION_PREVIOUS_MONTH"; private static final String ACTION_NEXT_MONTH = "co.sfng.calendarwidget.ACTION_NEXT_MONTH"; private static final String ACTION_TODAY = "co.sfng.calendarwidget.ACTION_TODAY"; private static final String ACTION_DATE_CLICK = "co.sfng.calendarwidget.ACTION_DATE_CLICK"; private static final String EXTRA_YEAR = "co.sfng.calendarwidget.EXTRA_YEAR"; private static final String EXTRA_MONTH = "co.sfng.calendarwidget.EXTRA_MONTH"; private static final String EXTRA_DATE = "co.sfng.calendarwidget.EXTRA_DATE"; private static final String PREFERENCE_FILE = "co.sfng.calendarwidget.PREFERENCE_WIDGET_"; private static final String PREF_SELECTED_TIME = "selected_time"; private static final String PREF_IS_WIDE = "is_wide"; // Constants for Date click actions. private static final int VIEW_CALENDAR = 1; private static final int CREATE_EVENT = 2; private static final int WEEKS = 6; @Override @TargetApi(Build.VERSION_CODES.JELLY_BEAN) public void onAppWidgetOptionsChanged(Context context, AppWidgetManager appWidgetManager, int appWidgetId, Bundle newOptions) { super.onAppWidgetOptionsChanged(context, appWidgetManager, appWidgetId, newOptions); // Obtain widget width and set flag in SharePreferences. Bundle bundle = appWidgetManager.getAppWidgetOptions(appWidgetId); if (bundle != null) { int minWidth = bundle.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH); Resources res = context.getResources(); boolean isWide = minWidth > res.getInteger(R.integer.minimum_wide_width); SharedPreferences pref = context.getSharedPreferences( getPreferenceFileName(appWidgetId), Context.MODE_PRIVATE); pref.edit().putBoolean(PREF_IS_WIDE, isWide).apply(); } render(context, appWidgetId, getTheme(context), getWeekStartDay(context)); } @Override public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { super.onUpdate(context, appWidgetManager, appWidgetIds); int theme = getTheme(context); int weekStartDay = getWeekStartDay(context); for (int appWidgetId: appWidgetIds) { render(context, appWidgetId, theme, weekStartDay); } } @Override public void onDeleted(Context context, int[] appWidgetIds) { super.onDeleted(context, appWidgetIds); for (int appWidgetId: appWidgetIds) { SharedPreferences pref = context.getSharedPreferences( getPreferenceFileName(appWidgetId), Context.MODE_PRIVATE); pref.edit().clear().apply(); } } @Override public void onReceive(Context context, Intent intent) { super.onReceive(context, intent); AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context); String action = intent.getAction(); int appWidgetId = intent.getIntExtra( AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); if (ACTION_PREVIOUS_MONTH.equals(action)) { previousMonth(context, appWidgetManager, appWidgetId); } else if (ACTION_NEXT_MONTH.equals(action)) { nextMonth(context, appWidgetManager, appWidgetId); } else if (ACTION_TODAY.equals(action)) { today(context, appWidgetManager, appWidgetId); } else if (ACTION_DATE_CLICK.equals(action)) { int onDateClickAction = getOnDateClickAction(context); if (onDateClickAction == VIEW_CALENDAR) { // View calendar Calendar cal = Calendar.getInstance(); cal.set(intent.getIntExtra(EXTRA_YEAR, -1), intent.getIntExtra(EXTRA_MONTH, -1), intent.getIntExtra(EXTRA_DATE, -1)); Uri.Builder builder = CalendarContract.CONTENT_URI.buildUpon(); builder.appendPath("time"); ContentUris.appendId(builder, cal.getTimeInMillis()); Intent calIntent = new Intent(Intent.ACTION_VIEW).setData(builder.build()); calIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(calIntent); } else if (onDateClickAction == CREATE_EVENT) { // Create new event. Calendar cal = Calendar.getInstance(); cal.set(intent.getIntExtra(EXTRA_YEAR, -1), intent.getIntExtra(EXTRA_MONTH, -1), intent.getIntExtra(EXTRA_DATE, -1)); Intent calIntent = new Intent(Intent.ACTION_INSERT, Events.CONTENT_URI); calIntent.putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, cal.getTimeInMillis()); calIntent.putExtra(Events.AVAILABILITY, Events.AVAILABILITY_BUSY); calIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(calIntent); } } } private void previousMonth(Context context, AppWidgetManager appWidgetManager, int appWidgetId) { SharedPreferences pref = context.getSharedPreferences( getPreferenceFileName(appWidgetId), Context.MODE_PRIVATE); Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(pref.getLong(PREF_SELECTED_TIME, cal.getTimeInMillis())); cal.set(Calendar.DATE, 1); cal.add(Calendar.MONTH, -1); pref.edit().putLong(PREF_SELECTED_TIME, cal.getTimeInMillis()).apply(); render(context, appWidgetId, getTheme(context), getWeekStartDay(context)); } private void nextMonth(Context context, AppWidgetManager appWidgetManager, int appWidgetId) { SharedPreferences pref = context.getSharedPreferences( getPreferenceFileName(appWidgetId), Context.MODE_PRIVATE); Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(pref.getLong(PREF_SELECTED_TIME, cal.getTimeInMillis())); cal.set(Calendar.DATE, 1); cal.add(Calendar.MONTH, 1); pref.edit().putLong(PREF_SELECTED_TIME, cal.getTimeInMillis()).apply(); render(context, appWidgetId, getTheme(context), getWeekStartDay(context)); } private void today(Context context, AppWidgetManager appWidgetManager, int appWidgetId) { SharedPreferences pref = context.getSharedPreferences( getPreferenceFileName(appWidgetId), Context.MODE_PRIVATE); pref.edit().remove(PREF_SELECTED_TIME).apply(); render(context, appWidgetId, getTheme(context), getWeekStartDay(context)); } private String getPreferenceFileName(int appWidgetId) { return PREFERENCE_FILE + appWidgetId; } private int getTheme(Context context) { SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context); return Integer.parseInt(pref.getString(SettingsFragment.PREF_THEME, "0")); } private int getWeekStartDay(Context context) { SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context); String s = pref.getString(SettingsFragment.PREF_WEEK_START_DAY, String.valueOf(Calendar.SUNDAY)); return Integer.parseInt(s); } private int getOnDateClickAction(Context context) { SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context); String s = pref.getString(SettingsFragment.PREF_ON_DAY_CLICK, "0"); return Integer.parseInt(s); } private void render(Context context, int appWidgetId, int theme, int weekStartDay) { Calendar cal = Calendar.getInstance(); int todayDate = cal.get(Calendar.DATE); int todayMonth = cal.get(Calendar.MONTH); int todayYear = cal.get(Calendar.YEAR); // Obtain last selected time from SharedPreferences. SharedPreferences pref = context.getSharedPreferences( getPreferenceFileName(appWidgetId), Context.MODE_PRIVATE); long selectedTime = pref.getLong(PREF_SELECTED_TIME, cal.getTimeInMillis()); cal.setTimeInMillis(selectedTime); String pkgName = context.getPackageName(); RemoteViews widgetView = new RemoteViews(pkgName, ResourceHelper.layoutWidget(theme)); widgetView.removeAllViews(R.id.calendar); // Set month label. String fmt = pref.getBoolean(PREF_IS_WIDE, false) ? "MMMM yyyy" : "MMM yyyy"; widgetView.setTextViewText(R.id.month_year_label, DateFormat.format(fmt, cal)); // Render day of week. renderDayOfWeek(widgetView, weekStartDay); int selectedMonth = cal.get(Calendar.MONTH); cal.set(Calendar.DATE, 1); cal.add(Calendar.DATE, weekStartDay - cal.get(Calendar.DAY_OF_WEEK)); for (int i = 0; i < WEEKS; i++) { RemoteViews rowView = new RemoteViews(pkgName, R.layout.row_week); for (int j = 0; j < 7; j++) { int date = cal.get(Calendar.DATE); int month = cal.get(Calendar.MONTH); int year = cal.get(Calendar.YEAR); boolean isWithinMonth = month == selectedMonth; boolean isToday = date == todayDate && month == todayMonth && year == todayYear; int layoutId = ResourceHelper.layoutCellDay(theme); if (isToday && isWithinMonth) { layoutId = ResourceHelper.layoutCellToday(theme); } else if (isWithinMonth) { layoutId = ResourceHelper.layoutCellInMonth(theme); } RemoteViews dateView = new RemoteViews(pkgName, layoutId); dateView.setTextViewText(android.R.id.text1, Integer.toString(date)); dateView.setOnClickPendingIntent( android.R.id.text1, createDateClickPendingIntent(context, appWidgetId, year, month, date)); rowView.addView(R.id.row_week, dateView); cal.add(Calendar.DATE, 1); } widgetView.addView(R.id.calendar, rowView); } // Attach action to buttons. widgetView.setOnClickPendingIntent(R.id.previous_month_button, createPendingIntent(context, appWidgetId, ACTION_PREVIOUS_MONTH)); widgetView.setOnClickPendingIntent(R.id.next_month_button, createPendingIntent(context, appWidgetId, ACTION_NEXT_MONTH)); widgetView.setOnClickPendingIntent(R.id.month_year_label, createPendingIntent(context, appWidgetId, ACTION_TODAY)); AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context); appWidgetManager.updateAppWidget(appWidgetId, widgetView); } private void renderDayOfWeek(RemoteViews rv, int weekStartDay) { List<String> list = DayOfWeekHelper.getDayOfWeek(weekStartDay); rv.setTextViewText(R.id.day_of_week0, list.get(0)); rv.setTextViewText(R.id.day_of_week1, list.get(1)); rv.setTextViewText(R.id.day_of_week2, list.get(2)); rv.setTextViewText(R.id.day_of_week3, list.get(3)); rv.setTextViewText(R.id.day_of_week4, list.get(4)); rv.setTextViewText(R.id.day_of_week5, list.get(5)); rv.setTextViewText(R.id.day_of_week6, list.get(6)); } private PendingIntent createPendingIntent(Context context, int appWidgetId, String action) { Intent intent = new Intent(context, CalendarWidgetProvider.class); intent.setAction(action); intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME))); return PendingIntent.getBroadcast(context, appWidgetId, intent, PendingIntent.FLAG_UPDATE_CURRENT); } private PendingIntent createDateClickPendingIntent(Context context, int appWidgetId, int year, int month, int date) { Intent intent = new Intent(context, CalendarWidgetProvider.class); intent.setAction(ACTION_DATE_CLICK); intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); intent.putExtra(EXTRA_YEAR, year); intent.putExtra(EXTRA_MONTH, month); intent.putExtra(EXTRA_DATE, date); intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME))); return PendingIntent.getBroadcast( context, appWidgetId, intent, PendingIntent.FLAG_UPDATE_CURRENT); } }