1 package android.dvr; 2 3 import android.dvr.IVrComposerCallback; 4 5 /** 6 * Service interface exposed by VR HWC exposed to system apps which allows one 7 * system app to connect to get SurfaceFlinger's outputs (all displays). This 8 * is active when SurfaceFlinger is in VR mode, where all 2D output is 9 * redirected to VR HWC. 10 * 11 * @hide */ 12 interface IVrComposer 13 { 14 const String SERVICE_NAME = "vr_hwc"; 15 16 /** 17 * Registers a callback used to receive frame notifications. 18 */ 19 void registerObserver(in IVrComposerCallback callback); 20 } 21
