Add an example showing how to change the default selection

Author: wdullaer

library/src/main/java/com/wdullaer/materialdatetimepicker/date/DayOfWeek.java

@@ -0,0 +1,4 @@
+package com.wdullaer.materialdatetimepicker.date;
+
+public enum DayOfWeek {
+}

sample/src/main/java/com/wdullaer/datetimepickerexample/DatePickerFragment.java

@@ -32,6 +32,7 @@ public class DatePickerFragment extends Fragment implements DatePickerDialog.OnD
     private CheckBox switchOrientation;
     private CheckBox limitSelectableDays;
     private CheckBox highlightDays;
+    private CheckBox defaultSelection;
     private DatePickerDialog dpd;
 
     public DatePickerFragment() {
@@ -57,6 +58,7 @@ public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
         switchOrientation = view.findViewById(R.id.switch_orientation);
         limitSelectableDays = view.findViewById(R.id.limit_dates);
         highlightDays = view.findViewById(R.id.highlight_dates);
+        defaultSelection = view.findViewById(R.id.default_selection);
 
         view.findViewById(R.id.original_button).setOnClickListener(v -> {
             Calendar now = Calendar.getInstance();
@@ -72,6 +74,9 @@ public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
         // Show a datepicker when the dateButton is clicked
         dateButton.setOnClickListener(v -> {
             Calendar now = Calendar.getInstance();
+            if (defaultSelection.isChecked()) {
+                now.add(Calendar.DATE, 7);
+            }
             /*
             It is recommended to always create a new instance whenever you need to show a Dialog.
             The sample app is reusing them because it is useful when looking for regressions

sample/src/main/res/layout/datepicker_layout.xml

@@ -92,5 +92,12 @@
             android:text="@string/highlight_dates"
             android:checked="false"/>
 
+        <CheckBox
+            android:id="@+id/default_selection"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/default_selection"
+            android:checked="false"/>
+
     </LinearLayout>
 </androidx.core.widget.NestedScrollView>

sample/src/main/res/values/strings.xml

@@ -26,13 +26,11 @@
     <string name="disable_times">Disable specific times</string>
     <string name="highlight_dates">Highlight certain dates</string>
     <string name="switch_orientation">Switch scroll orientation</string>
+    <string name="default_selection">Use alternative default selection</string>
     <string name="action_settings">Settings</string>
 
     <string name="tab_title_time">Time</string>
     <string name="tab_title_date">Date</string>
     <string name="tab_title_datetime">Date+Time</string>
 
-    <!-- TODO: Remove or change this placeholder text -->
-    <string name="hello_blank_fragment">Hello blank fragment</string>
-
 </resources>