iOS iokit模拟点击 会跟我真实手指冲突怎么解决

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static IOHIDEventRef generateChildEventTouchDown(int index, float x, float y)

{

IOHIDEventRef child = IOHIDEventCreateDigitizerFingerEvent(kCFAllocatorDefault, mach_absolute_time(), index, 3, 3, 0.5, 0.5, 0.0f, 0.0f, 0.0f, 1, 1, 0);

IOHIDEventSetFloatValue(child, 0xb0014, 0.04f); //set the major index getRandomNumberFloat(0.03, 0.05)

IOHIDEventSetFloatValue(child, 0xb0015, 0.04f); //set the minor index

eventToAppend[index] = child;

isEventTouchUp[index] = false;

return child;

}

void performTouchFromRawData(UInt8 *eventData)
{
// generate a parent event
IOHIDEventRef parent = IOHIDEventCreateDigitizerEvent(kCFAllocatorDefault, mach_absolute_time(), 3, 99, 1, 4, 0, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0, 0, 0);
IOHIDEventSetIntegerValue(parent , 0xb0019, 1); //set flags of parent event flags: 0x20001 → 0xa0001
IOHIDEventSetIntegerValue(parent , 0x4, 1); //set flags of parent event flags: 0xa0001 → 0xa0011

// append new events
for (int i = 0; i < getTouchCountFromDataArray(eventData); i++)
{
    //NSLog(@"### com.zjx.springboard: get data. index: %d. type: %d. touchIndex: %d. x: %f. y: %f", i, getTouchTypeFromDataArray(eventData, i), getTouchIndexFromDataArray(eventData, i), getTouchXFromDataArray(eventData, i), getTouchYFromDataArray(eventData, i));
    appendChildEvent(parent, getTouchTypeFromDataArray(eventData, i), getTouchIndexFromDataArray(eventData, i), getTouchXFromDataArray(eventData, i), getTouchYFromDataArray(eventData, i));
}

// append those existing events
for (int i = 0; i < MAX_TOUCH_INDEX; i++)
{
    if (!isEventTouchUp[i])
    {
        if (eventToAppend[i])
            IOHIDEventAppendEvent(parent, eventToAppend[i]);
    }
}

IOHIDEventSetIntegerValue(parent, 0xb0007, 0x23);
IOHIDEventSetIntegerValue(parent, 0xb0008, 0x1);
IOHIDEventSetIntegerValue(parent, 0xb0009, 0x1);

postIOHIDEvent(parent);
CFRelease(parent);

}
static void postIOHIDEvent(IOHIDEventRef event)
{
static IOHIDEventSystemClientRef ioSystemClient = NULL;
if (!ioSystemClient)
{
ioSystemClient = IOHIDEventSystemClientCreate(kCFAllocatorDefault);
}
if (senderID != 0)
{
IOHIDEventSetSenderID(event, senderID);
}
else
{
NSLog(@“### com.zjx.springboard: sender id is 0!”);
return;
}
IOHIDEventSystemClientDispatchEvent(ioSystemClient, event);
}
怎么解决呢