<p>MissileLauncher is a simple program that controls Dream Cheeky USB missile launchers. You control the left/right/up/down orientation of the launcher using the accelerometer. Tilt the tablet to change the direction of the launcher. Pressing the <strong>Fire</strong> button will fire one missile.</p> <p>This program serves as an example of the following USB host features:</p> <ul> <li>filtering for multiple devices based on vendor and product IDs (see <code>device_filter.xml</code>)</li> <li>Sending control requests on endpoint zero that contain data</li> <li>Receiving packets on an interrupt endpoint using a thread that calls {@link android.hardware.usb.UsbRequest#queue queue()} and {@link android.hardware.usb.UsbDeviceConnection#requestWait requestWait()}.</li> </p>