IHardwareService hardwareService = IHardwareService.Stub.asInterface(ServiceManager.getService("hardware")); hardwareService.setFlashlightEnabled(true); // trueでつける,falseで消す ServiceManager.java package android.os; public class ServiceManager { public static IBinder getService( String serviceName ) { return null; } } Binder.java package android.os; import java.io.FileDescriptor; import java.io.Prin