1 <p>MissileLauncher is a simple program that controls Dream Cheeky USB missile launchers. 2 You control the left/right/up/down orientation of the launcher using the accelerometer. 3 Tilt the tablet to change the direction of the launcher. Pressing the <strong>Fire</strong> button will fire one missile.</p> 4 5 <p>This program serves as an example of the following USB host features:</p> 6 <ul> 7 <li>filtering for multiple devices based on vendor and product IDs (see <code>device_filter.xml</code>)</li> 8 <li>Sending control requests on endpoint zero that contain data</li> 9 <li>Receiving packets on an interrupt endpoint using a thread that calls 10 {@link android.hardware.usb.UsbRequest#queue queue()} and {@link android.hardware.usb.UsbDeviceConnection#requestWait requestWait()}.</li> 11 </p>