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  1. I and of my friends who own the Dyu Deluxe Bike can't connect via the app because it crashes contiuously! This is the error shown to us: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.cn.dyu/com.example.king.dyu.bluetooth.SearchBluetoothActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.Integer.intValue()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2836) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2911) at android.app.ActivityThread.
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