[Date Picker] ContentDescription for "DayName" is not properly getting read by talkback for the German language

Resolves #3051

GIT_ORIGIN_REV_ID=91b350bf4830f5903d4809a1c3b097bbec2c2b27
PiperOrigin-RevId: 524068644

Author: kavitamp

lib/java/com/google/android/material/datepicker/DateStrings.java

@@ -90,7 +90,7 @@ static String getMonthDayOfWeekDay(long timeInMillis) {
 
   static String getMonthDayOfWeekDay(long timeInMillis, Locale locale) {
     if (VERSION.SDK_INT >= VERSION_CODES.N) {
-      return UtcDates.getAbbrMonthWeekdayDayFormat(locale).format(new Date(timeInMillis));
+      return UtcDates.getMonthWeekdayDayFormat(locale).format(new Date(timeInMillis));
     }
     return UtcDates.getFullFormat(locale).format(new Date(timeInMillis));
   }
@@ -101,7 +101,7 @@ static String getYearMonthDayOfWeekDay(long timeInMillis) {
 
   static String getYearMonthDayOfWeekDay(long timeInMillis, Locale locale) {
     if (VERSION.SDK_INT >= VERSION_CODES.N) {
-      return UtcDates.getYearAbbrMonthWeekdayDayFormat(locale).format(new Date(timeInMillis));
+      return UtcDates.getYearMonthWeekdayDayFormat(locale).format(new Date(timeInMillis));
     }
     return UtcDates.getFullFormat(locale).format(new Date(timeInMillis));
   }

lib/java/com/google/android/material/datepicker/UtcDates.java

@@ -212,13 +212,13 @@ static android.icu.text.DateFormat getAbbrMonthDayFormat(Locale locale) {
   }
 
   @TargetApi(VERSION_CODES.N)
-  static android.icu.text.DateFormat getAbbrMonthWeekdayDayFormat(Locale locale) {
-    return getAndroidFormat(android.icu.text.DateFormat.ABBR_MONTH_WEEKDAY_DAY, locale);
+  static android.icu.text.DateFormat getMonthWeekdayDayFormat(Locale locale) {
+    return getAndroidFormat(android.icu.text.DateFormat.MONTH_WEEKDAY_DAY, locale);
   }
 
   @TargetApi(VERSION_CODES.N)
-  static android.icu.text.DateFormat getYearAbbrMonthWeekdayDayFormat(Locale locale) {
-    return getAndroidFormat(android.icu.text.DateFormat.YEAR_ABBR_MONTH_WEEKDAY_DAY, locale);
+  static android.icu.text.DateFormat getYearMonthWeekdayDayFormat(Locale locale) {
+    return getAndroidFormat(android.icu.text.DateFormat.YEAR_MONTH_WEEKDAY_DAY, locale);
   }
 
   static DateFormat getMediumFormat() {

lib/javatests/com/google/android/material/datepicker/DateStringsTest.java

@@ -310,7 +310,7 @@ public void getDayContentDescription_notToday() {
             /* isStartOfRange= */ false,
             /* isEndOfRange= */ false);
 
-    assertThat(contentDescription, is("Mon, Nov 30, 2020"));
+    assertThat(contentDescription, is("Monday, November 30, 2020"));
   }
 
   @Test
@@ -324,7 +324,7 @@ public void getDayContentDescription_notToday_startOfRange() {
             /* isStartOfRange= */ true,
             /* isEndOfRange= */ false);
 
-    assertThat(contentDescription, is("Start date Mon, Nov 30, 2020"));
+    assertThat(contentDescription, is("Start date Monday, November 30, 2020"));
   }
 
   @Test
@@ -338,7 +338,7 @@ public void getDayContentDescription_notToday_endOfRange() {
             /* isStartOfRange= */ false,
             /* isEndOfRange= */ true);
 
-    assertThat(contentDescription, is("End date Mon, Nov 30, 2020"));
+    assertThat(contentDescription, is("End date Monday, November 30, 2020"));
   }
 
   @Test
@@ -352,7 +352,7 @@ public void getDayContentDescription_notToday_startAndEndOfRange() {
             /* isStartOfRange= */ true,
             /* isEndOfRange= */ true);
 
-    assertThat(contentDescription, is("Start date Mon, Nov 30, 2020"));
+    assertThat(contentDescription, is("Start date Monday, November 30, 2020"));
   }
 
   @Test
@@ -366,7 +366,7 @@ public void getDayContentDescription_today() {
             /* isStartOfRange= */ false,
             /* isEndOfRange= */ false);
 
-    assertThat(contentDescription, is("Today Mon, Nov 30, 2020"));
+    assertThat(contentDescription, is("Today Monday, November 30, 2020"));
   }
 
   @Test
@@ -380,7 +380,7 @@ public void getDayContentDescription_today_startOfRange() {
             /* isStartOfRange= */ true,
             /* isEndOfRange= */ false);
 
-    assertThat(contentDescription, is("Start date Today Mon, Nov 30, 2020"));
+    assertThat(contentDescription, is("Start date Today Monday, November 30, 2020"));
   }
 
   @Test
@@ -394,7 +394,7 @@ public void getDayContentDescription_today_endOfRange() {
             /* isStartOfRange= */ false,
             /* isEndOfRange= */ true);
 
-    assertThat(contentDescription, is("End date Today Mon, Nov 30, 2020"));
+    assertThat(contentDescription, is("End date Today Monday, November 30, 2020"));
   }
 
   @Test
@@ -408,7 +408,21 @@ public void getDayContentDescription_today_startAndEndOfRange() {
             /* isStartOfRange= */ true,
             /* isEndOfRange= */ true);
 
-    assertThat(contentDescription, is("Start date Today Mon, Nov 30, 2020"));
+    assertThat(contentDescription, is("Start date Today Monday, November 30, 2020"));
+  }
+
+  @Test
+  public void getLocalizedDayContentDescription_german() {
+    startDate = setupLocalizedCalendar(Locale.GERMAN, 2020, 10, 30);
+    String contentDescription =
+        DateStrings.getDayContentDescription(
+            ApplicationProvider.getApplicationContext(),
+            startDate.getTimeInMillis(),
+            /* isToday= */ false,
+            /* isStartOfRange= */ false,
+            /* isEndOfRange= */ false);
+
+    assertThat(contentDescription, is("Montag, 30. November 2020"));
   }
 
   @Test