暴露内存状态查询接口

@@ -14,4 +14,8 @@ FOUNDATION_EXTERN NSString *const YH_MemroyMetricsEnableKey;
 
 
 + (void)setMemoryStatusMonitorEnable:(BOOL)enable;
 + (void)setMemoryStatusMonitorEnable:(BOOL)enable;
 
 
++ (NSUInteger)appUsedMemory;
++ (NSUInteger)allUsedMemory;
++ (NSUInteger)availableMemory;
+
 @end
 @end

@@ -68,7 +68,6 @@ static YH_DeviceInfoMonitor *yh_globalDeviceInfoMonitor = nil;
 
 
 - (void)dealloc {
 - (void)dealloc {
     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationDidEnterBackgroundNotification object:nil];
     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationDidEnterBackgroundNotification object:nil];
-    [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationWillEnterForegroundNotification object:nil];
 }
 }
 
 
 #pragma mark - utilites
 #pragma mark - utilites
@@ -123,4 +122,16 @@ static YH_DeviceInfoMonitor *yh_globalDeviceInfoMonitor = nil;
     return vm_page_size * (vmStats.free_count + vmStats.inactive_count);
     return vm_page_size * (vmStats.free_count + vmStats.inactive_count);
 }
 }
 
 
++ (NSUInteger)appUsedMemory {
+    return [yh_globalDeviceInfoMonitor appUsedMemory];
+}
+
++ (NSUInteger)allUsedMemory {
+    return [yh_globalDeviceInfoMonitor allUsedMemory];
+}
+
++ (NSUInteger)availableMemory {
+    return [yh_globalDeviceInfoMonitor availableMemory];
+}
+
 @end
 @end