Added functionality of usage M7 chip if available

matghazaryan · Mar 20, 2014 · 1687b5a · 1687b5a
1 parent 4e0069e
commit 1687b5a
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/MotionDetection/MotionDetection-Prefix.pch b/MotionDetection/MotionDetection-Prefix.pch
@@ -10,6 +10,9 @@
 #warning "This project uses features only available in iOS SDK 5.0 and later."
 #endif
 
+#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
+
+
 #ifdef __OBJC__
     #import <UIKit/UIKit.h>
     #import <Foundation/Foundation.h>

diff --git a/MotionDetection/ViewController.m b/MotionDetection/ViewController.m
@@ -45,7 +45,10 @@ - (void)viewDidLoad
 	// Do any additional setup after loading the view, typically from a nib.
 
     [SOMotionDetector sharedInstance].delegate = self;
-    [SOMotionDetector sharedInstance].useM7IfAvailable = YES; //Use M7 chip if available, otherwise use lib's algorithm
+    if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"7.0"))
+    {
+        [SOMotionDetector sharedInstance].useM7IfAvailable = YES; //Use M7 chip if available, otherwise use lib's algorithm
+    }
     [[SOMotionDetector sharedInstance] startDetection];
 
 }