S1Formatter should evict things from cache.

ainopara · Jan 7, 2017 · b6a55f0 · b6a55f0
1 parent 1ca3b30
commit b6a55f0
Show file tree

Hide file tree

Showing 3 changed files with 8 additions and 0 deletions.
diff --git a/Stage1st/S1Global.h b/Stage1st/S1Global.h
@@ -19,6 +19,7 @@
 @property (nonatomic, strong) NSDateFormatter *dateFormatter;
 @property (nonatomic, strong) NSMutableDictionary *dateCache;
 
+- (void)clearCache;
 - (NSString *)headerForDate:(NSDate *)date;
 - (NSComparisonResult)compareDateString:(NSString *)dateString1 withDateString:(NSString *)dateString2;
 

diff --git a/Stage1st/S1Global.m b/Stage1st/S1Global.m
@@ -27,6 +27,10 @@ + (S1Formatter *)sharedInstance
     return myGlobalFormatter;
 }
 
+- (void)clearCache {
+    _dateCache = [[NSMutableDictionary alloc] init];
+}
+
 - (NSDateFormatter *)dateFormatter {
     if (_dateFormatter == nil) {
         _dateFormatter = [[NSDateFormatter alloc] init];

diff --git a/Stage1st/TopicListViewController.swift b/Stage1st/TopicListViewController.swift
@@ -31,6 +31,9 @@ public enum TopicListPresentationType {
 
 extension S1TopicListViewController {
 
+    open override func didReceiveMemoryWarning() {
+        S1Formatter.sharedInstance().clearCache()
+    }
     func isPresentingDatabaseList(_ key: String) -> Bool {
         switch TopicListPresentationType(key: key) {
         case .favorite, .history: