Added setting to change defaults

app/src/main/java/com/maltaisn/recurpickerdemo/MainActivity.java

@@ -18,6 +18,7 @@
 import com.maltaisn.recurpicker.RecurrencePickerDialog;
 import com.maltaisn.recurpicker.RecurrencePickerView;
 
+import java.nio.charset.Charset;
 import java.text.DateFormat;
 import java.text.MessageFormat;
 import java.text.SimpleDateFormat;
@@ -327,6 +328,17 @@ public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
         showDoneBtnCheck.setChecked(RecurrencePickerView.DEFAULT_SHOW_DONE_IN_LIST);
         showCancelBtnCheck.setChecked(RecurrencePickerView.DEFAULT_SHOW_CANCEL_BTN);
 
+        final Recurrence[] defaults = new Recurrence[]{
+                new Recurrence(0, Recurrence.DAILY).setFrequency(2),
+                new Recurrence(0, Recurrence.WEEKLY).setWeeklySetting(0b10000010),
+                new Recurrence(0, Recurrence.WEEKLY).setWeeklySetting(0b01111100),
+        };
+        final CharSequence[] titles = new CharSequence[]{
+                "Every 2 days",
+                "On weekends",
+                "On weekdays",
+        };
+
         // Set up dialog recurrence picker
         final RecurrencePickerDialog pickerDialog = RecurrencePickerDialog.newInstance();
         pickerDialog.setDateFormat(dateFormatShort, dateFormatLong);
@@ -346,6 +358,7 @@ public void onClick(View view) {
                         .setShowHeaderInOptionList(showHeaderCheck.isChecked())
                         .setShowDoneButtonInOptionList(showDoneBtnCheck.isChecked())
                         .setShowCancelButton(showCancelBtnCheck.isChecked())
+                        .setOptionListDefaults(defaults, titles)
                         .setRecurrence(recurrence, startDate.getTimeInMillis());
 
                 // Not necessary, but if a cancel button is shown, often dialog isn't cancelable

recurpicker/src/main/java/com/maltaisn/recurpicker/Recurrence.java

@@ -96,7 +96,7 @@ public Recurrence(@NonNull Recurrence r) {
 
     /**
      * Create a recurrence from a byte array
-     * @param array byte array obtained with {@link Recurrence#}
+     * @param array byte array containing recurrence
      * @param index recurrence object position in byte array
      */
     public Recurrence(byte[] array, int index) {
@@ -209,8 +209,9 @@ public Recurrence setFrequency(int freq) {
 
     /**
      * If repeating weekly, sets the days of the week on which to repeat
-     * @param days bit field of Calendar.SUNDAY to Calendar.SATURDAY constants
-     *             ex: {@code int days = Calendar.SUNDAY | Calendar.FRIDAY}
+     * @param days bit field of 1 << [Calendar.SUNDAY to Calendar.SATURDAY] constants
+     *             ex: {@code int days = (1 << Calendar.SATURDAY) | (1 << Calendar.SUNDAY)}
+     *             You can also use binary literals like this 0b10000010 (saturday and sunday)
      *             If setting 0 or 1 (no days), the recurrence will become Does not repeat
      *             If setting all days and frequency is 1, the recurrence becomes daily
      *             So make sure to set frequency before weekly settings

recurpicker/src/main/java/com/maltaisn/recurpicker/RecurrencePickerDialog.java

@@ -36,6 +36,8 @@ public class RecurrencePickerDialog extends DialogFragment implements Recurrence
     private boolean showCancelBtn = RecurrencePickerView.DEFAULT_SHOW_CANCEL_BTN;
     private int enabledPeriods = RecurrencePickerView.DEFAULT_ENABLED_PERIODS;
     private int enabledEndTypes = RecurrencePickerView.DEFAULT_ENABLED_END_TYPES;
+    private Recurrence[] optionListDefaults = null;
+    private CharSequence[] optionListDefaultsTitle = null;
 
     private static final int CREATOR_TRANSITION_DURATION = 200;
 
@@ -100,9 +102,8 @@ public void run() {
                 handler.postDelayed(runnable, CREATOR_TRANSITION_DURATION);
             }
         });
-        if (savedInstanceState == null) {
-            newPicker.setRecurrence(recurrence, startDate)
-                    .setDateFormat(endDateFormat, optionListDateFormat)
+        if (savedInstanceState == null || picker == null) {
+            newPicker.setDateFormat(endDateFormat, optionListDateFormat)
                     .setMaxEventCount(maxEndCount)
                     .setMaxFrequency(maxFrequency)
                     .setMaxEndDate(maxEndDate)
@@ -113,7 +114,9 @@ public void run() {
                     .setShowHeaderInOptionList(showHeaderInList)
                     .setShowCancelButton(showCancelBtn)
                     .setEnabledPeriods(enabledPeriods)
-                    .setEnabledEndTypes(enabledEndTypes);
+                    .setEnabledEndTypes(enabledEndTypes)
+                    .setOptionListDefaults(optionListDefaults, optionListDefaultsTitle)
+                    .setRecurrence(recurrence, startDate);
             newPicker.updateMode();
         } else {
             newPicker.onRestoreInstanceState(picker.onSaveInstanceState());
@@ -215,6 +218,13 @@ public RecurrencePickerSettings setEnabledEndTypes(int types) {
         return this;
     }
 
+    @Override
+    public RecurrencePickerSettings setOptionListDefaults(@Nullable Recurrence[] defaults, @Nullable CharSequence[] titles) {
+        optionListDefaults = defaults;
+        optionListDefaultsTitle = titles;
+        return this;
+    }
+
     @Override
     public void onCancel(DialogInterface dialog) {
         try {

recurpicker/src/main/java/com/maltaisn/recurpicker/RecurrencePickerSettings.java

@@ -1,6 +1,7 @@
 package com.maltaisn.recurpicker;
 
 
+import android.content.Context;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
@@ -79,7 +80,6 @@ public interface RecurrencePickerSettings {
     /**
      * Select which modes are enabled: default options list and recurrence creator
      * By default, both modes are enabled, and at least one of them should be
-     * Must be set before setting the recurrence
      * @param optionListEnabled whether to enable the default options list
      * @param creatorEnabled whether to enabled the recurrence creator
      */
@@ -89,7 +89,6 @@ public interface RecurrencePickerSettings {
      * Set whether to show the Done button in the first screen, the list of default recurrence options,
      * or to hide it. If shown, listener won't be called when option is clicked, only when button is.
      * By default, done button is not shown in option list.
-     * Must be set before setting the recurrence
      * @param show Whether to show it or not
      */
     RecurrencePickerSettings setShowDoneButtonInOptionList(boolean show);
@@ -132,4 +131,17 @@ public interface RecurrencePickerSettings {
      */
     RecurrencePickerSettings setEnabledEndTypes(int types);
 
+    /**
+     * Change defaults in option list. Note that "Does not repeat" will always be shown.
+     * By default, a daily, weekly, monthly and yearly recurrences with frequency of 1 are used
+     * MUST be set before setting the recurrence if using the view by itself
+     * @param defaults Array of recurrence to use as defaults, leave null to use default defaults (exactly)
+     *                 or leave null to only change the titles
+     *                 You can set any start date for these recurrences because it gets changed
+     * @param titles Array of titles to use for each recurrence, leave null to use
+     *               {@link Recurrence#format(Context, DateFormat)} instead. You can also leave
+     *               specific items in array null to only format those.
+     */
+    RecurrencePickerSettings setOptionListDefaults(@Nullable Recurrence[] defaults, @Nullable CharSequence[] titles);
+
 }