Refactored alarm management classes

app/src/main/java/com/philliphsu/clock2/util/DateFormatUtils.java

@@ -0,0 +1,19 @@
+package com.philliphsu.clock2.util;
+
+import android.content.Context;
+
+import java.util.Date;
+
+import static android.text.format.DateFormat.getTimeFormat;
+
+/**
+ * Created by Phillip Hsu on 6/3/2016.
+ */
+public final class DateFormatUtils {
+
+    private DateFormatUtils() {}
+
+    public static String formatTime(Context context, long millis) {
+        return getTimeFormat(context).format(new Date(millis));
+    }
+}