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--- ios:study-note [2012/09/07 20:34] – created percy
+++ ios:study-note [2012/09/07 20:37] – percy
@@ Line 1: / Line 1: @@
 ====== iOS学习笔记 ======
+===== NSUserDefaults =====
+<code>
+    NSString *setting=[[NSBundle mainBundle] pathForResource:@"Settings" ofType:@"bundle"];
+    if (!setting) {
+        return;
+    }
+    NSDictionary *dictionary=[NSDictionary dictionaryWithContentsOfFile:[setting stringByAppendingPathComponent:@"Root.plist"]];
+    NSArray *array = [dictionary objectForKey:@"PreferenceSpecifiers"];
+    NSMutableDictionary *registerToDefault=[NSMutableDictionary dictionaryWithCapacity:[array count]];
+    for (NSDictionary *item in array) {
+         NSString *key = [item objectForKey:@"Key"];
+        if (key) {
+            [registerToDefault setObject:[item objectForKey:@"DefaultValue"] forKey:@"DefaultValue"];
+            break;
+        }
+    }
+    [[NSUserDefaults standardUserDefaults] registerDefaults:registerToDefault];
+</code>
+<code>
+ NSUserDefaults *userDefault=[NSUserDefaults standardUserDefaults];
+    NSString *title = [userDefault objectForKey:@"title_preference"];
+</code>