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Android User Guide

The X6818 Android manual covers terminal access, media playback, network, Bluetooth, USB peripherals, APK installation, screenshots, storage mounting, screen rotation, camera, Ethernet, IR remote, power on/off, suspend/resume, USB 3G, PCIe data card, and USB camera.

Terminal​

adb devices
adb shell

The debug UART can also be used. The common baud rate is 115200.

Media Playback​

MP3 can be played through command line or the default Android player. Video and images can be opened through the system player and Gallery. 1080P video playback, Youku, and TV playback are also covered in the manual.

Wi-Fi / Bluetooth / Ethernet​

X6818 supports USB Wi-Fi/BT, Bluetooth data transfer, Bluetooth music playback, and Gigabit Ethernet. Common network commands:

ifconfig
netcfg
ping 8.8.8.8

USB Mouse, Keyboard, and Storage​

USB mouse and keyboard can be used through HOST ports. U disk and TF card can be mounted and checked by:

mount
df -h
ls /mnt
ls /storage

APK Installation​

The manual lists four APK installation methods:

  • Install from SD card.
  • Install with ApkInstaller.
  • Install with adb.
  • Online installation.

adb example:

adb install demo.apk
adb install -r demo.apk

Screenshot​

The manual includes Eclipse and 91 Assistant screenshot methods. Android screencap can also be used:

adb shell screencap -p /sdcard/screen.png
adb pull /sdcard/screen.png

Display and Rotation​

The manual includes VGA display, HDMI display, and screen rotation. For display issues, check panel timing, U-Boot logo, kernel logo, Android display service, backlight, and touch-coordinate mapping.

Camera​

The manual includes photo/video capture and USB camera usage. X6818 hardware supports BT656 / BT601 / MIPI camera interfaces. Debugging should check power, reset, I2C, MCLK, data lanes, device tree, and driver.

Power, Suspend, and Wake-up​

X6818 supports software power on/off, suspend/resume, and RTC. For suspend issues, check PWRKEY, PMU, wake sources, peripheral power hold, and kernel suspend/resume logs.