432b80dfa3
1. 优化HomePage加载逻辑，修复加载弹窗重复显示问题 2. 重构蓝牙分享页、重命名页的返回事件绑定逻辑 3. 优化iOS/Android扫码对焦功能，支持多后置摄像头、软触发对焦 4. 调整扫码预览布局与参数，提升扫码识别率与适配性 5. 删除冗余的Android状态栏管理脚本与无用文件 6. 新增返回回调调试日志
84 lines
3.5 KiB
Plaintext
84 lines
3.5 KiB
Plaintext
#import <AVFoundation/AVFoundation.h>
|
||
#import <UIKit/UIKit.h>
|
||
|
||
/// 获取当前正在使用的后置摄像头设备
|
||
static AVCaptureDevice *GetActiveRearCamera(void)
|
||
{
|
||
// 遍历所有 AVCaptureDevice，找到后置摄像头
|
||
// 注意：Unity WebCamTexture 内部的 AVCaptureSession 不会暴露给原生代码，
|
||
// 但 AVCaptureDevice 本身可以独立 lockForConfiguration 设置对焦模式，
|
||
// 不需要成为当前 session 的输入设备。
|
||
if (@available(iOS 10.0, *)) {
|
||
AVCaptureDeviceDiscoverySession *session = [AVCaptureDeviceDiscoverySession
|
||
discoverySessionWithDeviceTypes:@[AVCaptureDeviceTypeBuiltInWideAngleCamera,
|
||
AVCaptureDeviceTypeBuiltInTelephotoCamera,
|
||
AVCaptureDeviceTypeBuiltInDualCamera,
|
||
AVCaptureDeviceTypeBuiltInDualWideCamera,
|
||
AVCaptureDeviceTypeBuiltInTripleCamera]
|
||
mediaType:AVMediaTypeVideo
|
||
position:AVCaptureDevicePositionBack];
|
||
for (AVCaptureDevice *d in session.devices) {
|
||
return d; // 拿到任意后置摄像头即可
|
||
}
|
||
}
|
||
return [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
|
||
}
|
||
|
||
extern "C" {
|
||
|
||
/// 开启连续自动对焦
|
||
void _EnableContinuousAutoFocus(void)
|
||
{
|
||
AVCaptureDevice *device = GetActiveRearCamera();
|
||
if (!device) return;
|
||
|
||
NSError *error = nil;
|
||
if ([device lockForConfiguration:&error]) {
|
||
if ([device isFocusModeSupported:AVCaptureFocusModeContinuousAutoFocus]) {
|
||
device.focusMode = AVCaptureFocusModeContinuousAutoFocus;
|
||
NSLog(@"[CameraFocusHelper] 已开启连续自动对焦");
|
||
}
|
||
if ([device isExposureModeSupported:AVCaptureExposureModeContinuousAutoExposure]) {
|
||
device.exposureMode = AVCaptureExposureModeContinuousAutoExposure;
|
||
}
|
||
[device unlockForConfiguration];
|
||
} else {
|
||
NSLog(@"[CameraFocusHelper] 配置失败: %@", error.localizedDescription);
|
||
}
|
||
}
|
||
|
||
/// 触发单次自动对焦（点击对焦用）
|
||
void _TriggerAutoFocus(float normalizedX, float normalizedY)
|
||
{
|
||
AVCaptureDevice *device = GetActiveRearCamera();
|
||
if (!device) return;
|
||
|
||
NSError *error = nil;
|
||
if ([device lockForConfiguration:&error]) {
|
||
if ([device isFocusPointOfInterestSupported]) {
|
||
device.focusPointOfInterest = CGPointMake(normalizedX, normalizedY);
|
||
device.focusMode = AVCaptureFocusModeAutoFocus;
|
||
}
|
||
if ([device isExposurePointOfInterestSupported]) {
|
||
device.exposurePointOfInterest = CGPointMake(normalizedX, normalizedY);
|
||
device.exposureMode = AVCaptureExposureModeAutoExpose;
|
||
}
|
||
[device unlockForConfiguration];
|
||
|
||
// 1.5秒后恢复连续对焦
|
||
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.5 * NSEC_PER_SEC)),
|
||
dispatch_get_main_queue(), ^{
|
||
_EnableContinuousAutoFocus();
|
||
});
|
||
}
|
||
}
|
||
|
||
/// 周期性重新触发对焦（与 Android softTrigger 思路一致）
|
||
/// 通过"点对焦 → 1.5s 后恢复连续对焦"的方式让镜头做一次完整对焦循环，无黑屏
|
||
void _TriggerContinuousRefocus(void)
|
||
{
|
||
_TriggerAutoFocus(0.5f, 0.5f);
|
||
}
|
||
|
||
}
|