截屏和录屏unity端代码都已经分享过 :
Unity功能记录(十七) ------ 截屏功能
Unity插件(二) ------ NatCorder(录屏保存到相册)

但是之前一个个的其实并没有用在项目上,可能会有点小坑,因此此次用在项目上的完整代码再次记录一下

一.截屏

Unity端代码 :

 void RecordFrame(){DateTime now = new DateTime();now = DateTime.Now;string filename = string.Format("image{0}{1}{2}{3}.png", now.Day, now.Hour, now.Minute, now.Second);Texture2D texture = CaptureScreen(ARControll.Instance.CaptureCamera,new Rect(0,0,Screen.width,Screen.height));string destination = "";if (Application.platform == RuntimePlatform.Android){destination = "/mnt/sdcard/DCIM/Screenshots";if (!Directory.Exists(destination)){Directory.CreateDirectory(destination);}destination = destination + "/" + filename;Debug.Log(destination);File.WriteAllBytes(destination, texture.EncodeToPNG());// 安卓在这里需要去 调用原生的接口去 刷新一下，不然相册显示不出来using (AndroidJavaClass playerActivity = new AndroidJavaClass("com.unity3d.player.UnityPlayer")){using (AndroidJavaObject jo = playerActivity.GetStatic<AndroidJavaObject>("currentActivity")){Debug.Log("scanFile:m_androidJavaObject ");jo.Call("scanFile", destination);}}MainControll.Instance.OpenTip(TipType.OneBtn, TipContentType.defaultTip, null, null, "拍照成功!", PanelLayer.Top);}else if (Application.platform == RuntimePlatform.IPhonePlayer){destination = Application.persistentDataPath;if (!Directory.Exists(destination)){Directory.CreateDirectory(destination);}destination = destination + "/" + filename;File.WriteAllBytes(destination, texture.EncodeToPNG());
#if UNITY_IOSIOSAlbumCamera.iosSaveImageToPhotosAlbum(destination);
#endif}else{File.WriteAllBytes(Application.persistentDataPath + filename, texture.EncodeToPNG());}// cleanupDestroy(texture);}

Android刷新相册代码 :

   //刷新相册public void scanFile(String filePath) {//Log.i("Unity", "------------filePath"+filePath);Intent scanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);scanIntent.setData(Uri.fromFile(new File(filePath)));this.sendBroadcast(scanIntent);  //this是指UnityPlayerActivity}

iOS保存图片到相册代码(这里一起放了保存视频到相册的代码) :

IOSAlbumCameraController.h :

#import<QuartzCore/CADisplayLink.h>
@interface IOSAlbumCameraController : UIViewController<UIImagePickerControllerDelegate,UINavigationControllerDelegate,UIPopoverPresentationControllerDelegate>
@end

IOSAlbumCameraController.mm :

#import "IOSAlbumCameraController.h"@implementation IOSAlbumCameraController
- (void)leftAction
{[self interfaceOrientation:UIInterfaceOrientationPortrait];
}- (void)rightAction
{[self interfaceOrientation:UIInterfaceOrientationLandscapeRight];
}- (void)interfaceOrientation:(UIInterfaceOrientation)orientation
{if ([[UIDevice currentDevice] respondsToSelector:@selector(setOrientation:)]) {SEL selector             = NSSelectorFromString(@"setOrientation:");NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[UIDevice instanceMethodSignatureForSelector:selector]];[invocation setSelector:selector];[invocation setTarget:[UIDevice currentDevice]];int val                  = orientation;// 从2开始是因为0 1 两个参数已经被selector和target占用[invocation setArgument:&val atIndex:2];[invocation invoke];}
}
-(void)OpenCamera:(UIImagePickerControllerSourceType)type{[self interfaceOrientation:UIInterfaceOrientationPortrait];//创建UIImagePickerController实例UIImagePickerController * picker = [[UIImagePickerController alloc] init];picker.sourceType = UIImagePickerControllerSourceTypeCamera;//设置代理picker.delegate = self;//是否允许编辑 (默认为NO)picker.allowsEditing = YES;//设置照片的来源picker.sourceType = type;//展示选取照片控制器//if (picker.sourceType == UIImagePickerControllerSourceTypePhotoLibrary &&[[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {picker.modalPresentationStyle = UIModalPresentationPopover;UIPopoverPresentationController *popover = picker.popoverPresentationController;//picker.preferredContentSize = [UIScreen mainScreen].bounds.size;popover.delegate = self;popover.sourceRect = CGRectMake(0, 0, 0, 0);popover.sourceView = self.view;popover.permittedArrowDirections = UIPopoverArrowDirectionAny;[self presentViewController:picker animated:YES completion:nil];// } else {//    [self presentViewController:picker animated:YES completion:^{}];//  }
}
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{[picker dismissViewControllerAnimated:YES completion:^{}];UIImage *image = [info objectForKey:@"UIImagePickerControllerEditedImage"];if (image == nil) {image = [info objectForKey:@"UIImagePickerControllerOriginalImage"];}//图片旋转if (image.imageOrientation != UIImageOrientationUp) {//图片旋转image = [self fixOrientation:image];}NSString *imagePath = [self GetSavePath:@"Temp.jpg"];[self SaveFileToDoc:image path:imagePath];
}
-(NSString*)GetSavePath:(NSString *)filename{NSArray *pathArray = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);NSString *docPath = [pathArray objectAtIndex:0];return [docPath stringByAppendingPathComponent:filename];
}
-(void)SaveFileToDoc:(UIImage *)image path:(NSString *)path{[self interfaceOrientation:UIInterfaceOrientationLandscapeRight];UnitySendMessage("MainScriptHolder", "PicCallFunc", "Temp.jpg");NSData *data;if (UIImagePNGRepresentation(image)==nil) {data = UIImageJPEGRepresentation(image, 1);}else{data = UIImagePNGRepresentation(image);}[data writeToFile:path atomically:YES];
}
// 打开相册后点击“取消”的响应
- (void)imagePickerControllerDidCancel:(UIImagePickerController*)picker
{NSLog(@" --- imagePickerControllerDidCancel !!");[self interfaceOrientation:UIInterfaceOrientationLandscapeRight];UnitySendMessage( "MainScriptHolder", "PicCallFunc", (@"").UTF8String);[self dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark 图片处理方法
//图片旋转处理
- (UIImage *)fixOrientation:(UIImage *)aImage {CGAffineTransform transform = CGAffineTransformIdentity;switch (aImage.imageOrientation) {case UIImageOrientationDown:case UIImageOrientationDownMirrored:transform = CGAffineTransformTranslate(transform, aImage.size.width, aImage.size.height);transform = CGAffineTransformRotate(transform, M_PI);break;case UIImageOrientationLeft:case UIImageOrientationLeftMirrored:transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);transform = CGAffineTransformRotate(transform, M_PI_2);break;case UIImageOrientationRight:case UIImageOrientationRightMirrored:transform = CGAffineTransformTranslate(transform, 0, aImage.size.height);transform = CGAffineTransformRotate(transform, -M_PI_2);break;default:break;}switch (aImage.imageOrientation) {case UIImageOrientationUpMirrored:case UIImageOrientationDownMirrored:transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);transform = CGAffineTransformScale(transform, -1, 1);break;case UIImageOrientationLeftMirrored:case UIImageOrientationRightMirrored:transform = CGAffineTransformTranslate(transform, aImage.size.height, 0);transform = CGAffineTransformScale(transform, -1, 1);break;default:break;}// Now we draw the underlying CGImage into a new context, applying the transform// calculated above.CGContextRef ctx = CGBitmapContextCreate(NULL, aImage.size.width, aImage.size.height,CGImageGetBitsPerComponent(aImage.CGImage), 0,CGImageGetColorSpace(aImage.CGImage),CGImageGetBitmapInfo(aImage.CGImage));CGContextConcatCTM(ctx, transform);switch (aImage.imageOrientation) {case UIImageOrientationLeft:case UIImageOrientationLeftMirrored:case UIImageOrientationRight:case UIImageOrientationRightMirrored:// Grr...CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.height,aImage.size.width), aImage.CGImage);break;default:CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.width,aImage.size.height), aImage.CGImage);break;}// And now we just create a new UIImage from the drawing contextCGImageRef cgimg = CGBitmapContextCreateImage(ctx);UIImage *img = [UIImage imageWithCGImage:cgimg];CGContextRelease(ctx);CGImageRelease(cgimg);return img;
}+(void) saveImageToPhotosAlbum:(NSString*) readAdr
{NSLog(@"readAdr: ");NSLog(readAdr);UIImage* image = [UIImage imageWithContentsOfFile:readAdr];UIImageWriteToSavedPhotosAlbum(image,self,@selector(image:didFinishSavingWithError:contextInfo:),NULL);
}+(void) image:(UIImage*)image didFinishSavingWithError:(NSError*)error contextInfo:(void*)contextInfo
{NSString* result;if(error){result = @"图片保存到相册失败!";}else{result = @"图片保存到相册成功!";}UnitySendMessage( "MainScriptHolder", "SaveImageToPhotosAlbumCallBack", result.UTF8String);
}
//videoPath为视频下载到本地之后的本地路径
+ (void)saveVideo:(NSString *)videoPath{NSLog(@"路径:%@",videoPath);if (videoPath) {NSURL *url = [NSURL URLWithString:videoPath];if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(url.path) == NO) {NSLog(@"可以保存 ");}else{  NSLog(@"不可以保存 ");}//保存相册核心代码UISaveVideoAtPathToSavedPhotosAlbum(url.path, self, @selector(savedVedioImage:didFinishSavingWithError:contextInfo:), nil);}
}
//保存视频完成之后的回调
+ (void) savedVedioImage:(UIImage*)image didFinishSavingWithError: (NSError *)error contextInfo: (void *)contextInfo {NSString* result;if (error) {result =@"视频保存失败";}else {result =@"保存视频成功";}UnitySendMessage( "MainScriptHolder", "SaveVedioToPhotosAlbumCallBack", result.UTF8String);
}
@end#if defined (__cplusplus)
extern "C" {
#endif// 打开相册void _iosOpenPhotoAlbums(){IOSAlbumCameraController *app = [[IOSAlbumCameraController alloc]init];UIViewController *vc = UnityGetGLViewController();[vc.view addSubview:app.view];[app OpenCamera:UIImagePickerControllerSourceTypePhotoLibrary];}void _iosSaveImageToPhotosAlbum(char* readAddr){NSString* temp = [NSString stringWithUTF8String:readAddr];[IOSAlbumCameraController saveImageToPhotosAlbum:temp];}void _iosSaveVideoToPhotosAlbum(char* readAddr){NSString* temp = [NSString stringWithUTF8String:readAddr];[IOSAlbumCameraController saveVideo:temp];}#if defined (__cplusplus)
}
#endif

unity与iOS交互代码IOSAlbumCamera.cs :

using UnityEngine;
using System.Collections;
using System.Runtime.InteropServices;public class IOSAlbumCamera : MonoBehaviour
{
#if UNITY_IOS [DllImport ("__Internal")]private static extern void _iosOpenPhotoAlbums();[DllImport ("__Internal")]private static extern void _iosSaveImageToPhotosAlbum(string readAddr);[DllImport("__Internal")]private static extern void _iosSaveVideoToPhotosAlbum(string readAddr);/// <summary>/// 保存图片到相册/// </summary>/// <param name="readAddr"></param>public static void iosSaveImageToPhotosAlbum(string readAddr){_iosSaveImageToPhotosAlbum (readAddr);}public static void iosSaveVideoToPhotosAlbum(string readAddr){_iosSaveVideoToPhotosAlbum(readAddr);}public static void iosOpenPhotoAlbums(){_iosOpenPhotoAlbums();}
#endif
}

注意修改回调哦

二.录屏

unity代码请参考Unity插件(二) ------ NatCorder(录屏保存到相册)
保存到相册请参考一中iOS所有代码

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