1 package android.dvr; 2 3 /** @hide */ 4 interface VirtualTouchpadService 5 { 6 const String SERVICE_NAME = "virtual_touchpad"; 7 8 /** 9 * Initialize the virtual touchpad. 10 */ 11 void attach() = 0; 12 13 /** 14 * Shut down the virtual touchpad. 15 */ 16 void detach() = 1; 17 18 /** 19 * Generate a simulated touch event. 20 * 21 * @param touchpad Selects touchpad. 22 * @param x Horizontal touch position. 23 * @param y Vertical touch position. 24 * @param pressure Touch pressure; use 0.0 for no touch (lift or hover). 25 * 26 * Position values in the range [0.0, 1.0) map to the screen. 27 */ 28 void touch(int touchpad, float x, float y, float pressure) = 2; 29 30 /** 31 * Generate a simulated touchpad button state event. 32 * 33 * @param touchpad Selects touchpad. 34 * @param buttons A union of MotionEvent BUTTON_* values. 35 */ 36 void buttonState(int touchpad, int buttons) = 3; 37 38 /** 39 * Generate a simulated scroll event. 40 * 41 * @param touchpad Selects touchpad. 42 * @param x Horizontal scroll increment. 43 * @param y Vertical scroll increment. 44 * 45 * Scroll values are in the range [-1.0, 1.0]. 46 */ 47 void scroll(int touchpad, float x, float y) = 4; 48 } 49
