43 ODROID-XU4 USER MANUALer good webpages for MIDI and computer music on Android includehttp://bit.ly/1FFKoUH and http://bit.ly/1IzGumw.TouchDAW is an excellent and mature app which allows the XU4to be a MIDI Controller for DAW and general-purpose MIDI control onsecondary workstations. TouchDAW supports the leading computermusic production applications on Windows, IOS, and Linux systems.Using Bluetooth Devices with AndroidBluetooth device detection and pairing are very easy with An-droid using the Settings application. After plugging in a USB bluetoothadapter and powering up the XU4, you will need to enable the blue-tooth receiver. Open the Settings application, find Bluetooth in the set-tings list under the Wireless and Networks category, and select ON toenable your USB bluetooth adapter and bluetooth services. To beginpairing your bluetooth device to the XU4, turn on your device and putthe device into pairing mode. The Bluetooth manager will display a listof detected devices, as well as devices that have been successfullypaired.If your device was detected, but not shown to be a paired device,click on the sliders icon on the right side of the listed device to openthe bluetooth settings for this device. Complete the pairing process byentering the pairing code or passkey for the device. If the bluetoothdevice was not detected, clicking on search for devices will perform amanual scan for any detectable bluetooth devices within range of theXU4.Adding an ODROID-VU TouchscreenHardkernel has designed multiple HDMI touch screens that workwith the XU4:ODROID-VU5: 5” 800 x 480 5-finger touch displayODROID-VU7: 7” 800 x 480 5-finger touch displayODROID-VU7 Plus: 7” 1024 x 600 5-finger touch displayTo use these displays with the XU4, connect the USB cable fromthem to the ODROID-XU4’s USB port via an HDMI Type A cable. Usean appropriate power supply, provide the required power to the dis-play. Hardkernel’s Android images support these displays without anyadditional configuration.Chapter 3