android input help 信息
input: Usage: input [<source>] <command> [<arg>...] The sources are: mouse keyboard joystick touchnavigation touchpad trackball stylus dpad touchscreen gamepad The commands and default sources are: text <string> (Default: touchscreen) keyevent [--longpress] <key code number or name> ... (Default: keyboard) tap <x> <y> (Default: touchscreen) swipe <x1> <y1> <x2> <y2> [duration(ms)] (Default: touchscreen) press (Default: trackball) roll <dx> <dy> (Default: trackball)