Checking for presence of a key is safer than a 'magic' default value

Author: wdullaer

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

@@ -325,20 +325,17 @@ public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
             highlightedDays = (HashSet<Calendar>) savedInstanceState.getSerializable(KEY_HIGHLIGHTED_DAYS);
             mThemeDark = savedInstanceState.getBoolean(KEY_THEME_DARK);
             mThemeDarkChanged = savedInstanceState.getBoolean(KEY_THEME_DARK_CHANGED);
-            mAccentColor = savedInstanceState.getInt(KEY_ACCENT, Integer.MAX_VALUE);
-            if (mAccentColor == Integer.MAX_VALUE) mAccentColor = null;
+            if (savedInstanceState.containsKey(KEY_ACCENT)) mAccentColor = savedInstanceState.getInt(KEY_ACCENT);
             mVibrate = savedInstanceState.getBoolean(KEY_VIBRATE);
             mDismissOnPause = savedInstanceState.getBoolean(KEY_DISMISS);
             mAutoDismiss = savedInstanceState.getBoolean(KEY_AUTO_DISMISS);
             mTitle = savedInstanceState.getString(KEY_TITLE);
             mOkResid = savedInstanceState.getInt(KEY_OK_RESID);
             mOkString = savedInstanceState.getString(KEY_OK_STRING);
-            mOkColor = savedInstanceState.getInt(KEY_OK_COLOR, Integer.MAX_VALUE);
-            if (mOkColor == Integer.MAX_VALUE) mOkColor = null;
+            if (savedInstanceState.containsKey(KEY_OK_COLOR)) mOkColor = savedInstanceState.getInt(KEY_OK_COLOR);
             mCancelResid = savedInstanceState.getInt(KEY_CANCEL_RESID);
             mCancelString = savedInstanceState.getString(KEY_CANCEL_STRING);
-            mCancelColor = savedInstanceState.getInt(KEY_CANCEL_COLOR, Integer.MAX_VALUE);
-            if (mCancelColor == Integer.MAX_VALUE) mCancelColor = null;
+            if (savedInstanceState.containsKey(KEY_CANCEL_COLOR)) mCancelColor = savedInstanceState.getInt(KEY_CANCEL_COLOR);
             mVersion = (Version) savedInstanceState.getSerializable(KEY_VERSION);
             mScrollOrientation = (ScrollOrientation) savedInstanceState.getSerializable(KEY_SCROLL_ORIENTATION);
             mTimezone = (TimeZone) savedInstanceState.getSerializable(KEY_TIMEZONE);

library/src/main/java/com/wdullaer/materialdatetimepicker/time/TimePickerDialog.java

@@ -640,20 +640,18 @@ public void onCreate(Bundle savedInstanceState) {
             mTitle = savedInstanceState.getString(KEY_TITLE);
             mThemeDark = savedInstanceState.getBoolean(KEY_THEME_DARK);
             mThemeDarkChanged = savedInstanceState.getBoolean(KEY_THEME_DARK_CHANGED);
-            mAccentColor = savedInstanceState.getInt(KEY_ACCENT, Integer.MAX_VALUE);
-            if (mAccentColor == Integer.MAX_VALUE) mAccentColor = null;
+            if (savedInstanceState.containsKey(KEY_ACCENT)) mAccentColor = savedInstanceState.getInt(KEY_ACCENT);
             mVibrate = savedInstanceState.getBoolean(KEY_VIBRATE);
             mDismissOnPause = savedInstanceState.getBoolean(KEY_DISMISS);
             mEnableSeconds = savedInstanceState.getBoolean(KEY_ENABLE_SECONDS);
             mEnableMinutes = savedInstanceState.getBoolean(KEY_ENABLE_MINUTES);
             mOkResid = savedInstanceState.getInt(KEY_OK_RESID);
             mOkString = savedInstanceState.getString(KEY_OK_STRING);
-            mOkColor = savedInstanceState.getInt(KEY_OK_COLOR, Integer.MAX_VALUE);
+            if (savedInstanceState.containsKey(KEY_OK_COLOR)) mOkColor = savedInstanceState.getInt(KEY_OK_COLOR);
             if (mOkColor == Integer.MAX_VALUE) mOkColor = null;
             mCancelResid = savedInstanceState.getInt(KEY_CANCEL_RESID);
             mCancelString = savedInstanceState.getString(KEY_CANCEL_STRING);
-            mCancelColor = savedInstanceState.getInt(KEY_CANCEL_COLOR, Integer.MAX_VALUE);
-            if (mCancelColor == Integer.MAX_VALUE) mCancelColor = null;
+            if (savedInstanceState.containsKey(KEY_CANCEL_COLOR)) mCancelColor = savedInstanceState.getInt(KEY_CANCEL_COLOR);
             mVersion = (Version) savedInstanceState.getSerializable(KEY_VERSION);
             mLimiter = savedInstanceState.getParcelable(KEY_TIMEPOINTLIMITER);
             mLocale = (Locale) savedInstanceState.getSerializable(KEY_LOCALE);