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2014/06/15

[iOS] 偵測裝置晃動



偵測iOS的晃動狀況,可進一步的應用在換頁、換首音樂、開啟畫面等有趣的應用



第1步:建立一個名為"Shake"專案。

第2步:取得晃動資訊
  • 於ViewController.m檔中的viewDidLoad方法中,實作motionBegan:withEvent:方法
ViewController.m
//實作motionBegan:withEvent方法 -(void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event { //判斷是否為晃動的動作 if(event.subtype == UIEventSubtypeMotionShake) { NSLog(@"Shake!"); } }

第3步:ViewController接收晃動資訊
ViewController.m
//開啟ViewController成為FirstResponder的可能, //如此ViewController才能接收晃動的資訊 -(BOOL)canBecomeFirstResponder { return YES; }
第5步:執行
  • 以模擬器執行後,選取模擬晃動

  • 畫面即會輸出晃動後的訊息




檔案連結:Shake.zip