diff options
| -rw-r--r-- | core/java/android/widget/DatePicker.java | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/core/java/android/widget/DatePicker.java b/core/java/android/widget/DatePicker.java index a371290..595b487 100644 --- a/core/java/android/widget/DatePicker.java +++ b/core/java/android/widget/DatePicker.java @@ -22,6 +22,7 @@ import android.content.res.TypedArray; import android.os.Parcel; import android.os.Parcelable; import android.text.format.DateFormat; +import android.text.format.DateUtils; import android.util.AttributeSet; import android.util.SparseArray; import android.view.LayoutInflater; @@ -33,6 +34,7 @@ import com.android.internal.R; import java.text.DateFormatSymbols; import java.text.SimpleDateFormat; import java.util.Calendar; +import java.util.Locale; /** * A view for selecting a month / year / day based on a calendar like layout. @@ -47,7 +49,10 @@ public class DatePicker extends FrameLayout { private static final int DEFAULT_START_YEAR = 1900; private static final int DEFAULT_END_YEAR = 2100; - + + // This ignores Undecimber, but we only support real Gregorian calendars. + private static final int NUMBER_OF_MONTHS = 12; + /* UI Components */ private final NumberPicker mDayPicker; private final NumberPicker mMonthPicker; @@ -62,6 +67,10 @@ public class DatePicker extends FrameLayout { private int mMonth; private int mYear; + private Object mMonthUpdateLock = new Object(); + private volatile Locale mMonthLocale; + private String[] mShortMonths; + /** * The callback used to indicate the user changes the date. */ @@ -102,8 +111,7 @@ public class DatePicker extends FrameLayout { }); mMonthPicker = (NumberPicker) findViewById(R.id.month); mMonthPicker.setFormatter(NumberPicker.TWO_DIGIT_FORMATTER); - DateFormatSymbols dfs = new DateFormatSymbols(); - String[] months = dfs.getShortMonths(); + final String[] months = getShortMonths(); /* * If the user is in a locale where the month names are numeric, @@ -114,9 +122,9 @@ public class DatePicker extends FrameLayout { for (int i = 0; i < months.length; i++) { months[i] = String.valueOf(i + 1); } - mMonthPicker.setRange(1, 12); + mMonthPicker.setRange(1, NUMBER_OF_MONTHS); } else { - mMonthPicker.setRange(1, 12, months); + mMonthPicker.setRange(1, NUMBER_OF_MONTHS, months); } mMonthPicker.setSpeed(200); @@ -246,11 +254,30 @@ public class DatePicker extends FrameLayout { mMonth = monthOfYear; mDay = dayOfMonth; updateSpinners(); - reorderPickers(new DateFormatSymbols().getShortMonths()); + reorderPickers(getShortMonths()); notifyDateChanged(); } } + private String[] getShortMonths() { + final Locale currentLocale = Locale.getDefault(); + if (currentLocale.equals(mMonthLocale) && mShortMonths != null) { + return mShortMonths; + } else { + synchronized (mMonthUpdateLock) { + if (!currentLocale.equals(mMonthLocale)) { + mShortMonths = new String[NUMBER_OF_MONTHS]; + for (int i = 0; i < NUMBER_OF_MONTHS; i++) { + mShortMonths[i] = DateUtils.getMonthString(Calendar.JANUARY + i, + DateUtils.LENGTH_MEDIUM); + } + mMonthLocale = currentLocale; + } + } + return mShortMonths; + } + } + private static class SavedState extends BaseSavedState { private final int mYear; |