gh#1457 set default duration on switch to non-AllDay

Author: Lionel Mamane

app/src/main/java/com/android/calendar/event/EditEventView.java

@@ -885,6 +885,9 @@ public void setModel(CalendarEventModel model) {
             @Override
             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                 setAllDayViewsVisibility(isChecked);
+                if(!isChecked) {
+                    resetToDefaultDuration();
+                }
             }
         });
 
@@ -1433,6 +1436,15 @@ private void setTime(TextView view, long millis) {
         view.setText(timeString);
     }
 
+    protected void resetToDefaultDuration() {
+        mEndTime.setDay(mEndTime.getDay() - 1);
+        mEndTime.set(mStartTime.normalize() +
+                     Utils.getDefaultEventDurationInMillis(mActivity));
+        long endMillis = mEndTime.normalize();
+        setDate(mEndDateButton, endMillis);
+        setTime(mEndTimeButton, endMillis);
+    }
+
     /**
      * @param isChecked
      */