拍照内存警告导致崩溃的解决

　　#import <MobileCoreServices/UTCoreTypes.h>

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{

    NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];
    UIImage *originalImage, /*editedImage,*/ *imageToSave;
    SQImagePickerController *sqImgPicker = (SQImagePickerController *)picker;
    // 处理静态照片
    if (CFStringCompare ((CFStringRef) mediaType, kUTTypeImage, 0) == kCFCompareEqualTo) {
//        editedImage = (UIImage *) [info objectForKey:UIImagePickerControllerEditedImage];
        originalImage = (UIImage *) [info objectForKey:UIImagePickerControllerOriginalImage];
//        if (editedImage) {
//            imageToSave = editedImage;
//        }
//        else {
            imageToSave = originalImage;
//        }
        // 将静态照片（原始的或者被编辑过的）保存到相册（Camera Roll）
        //  UIImageWriteToSavedPhotosAlbum (imageToSave, nil, nil , nil);
        // 根据图片控件的尺寸缩放照片（只是为了显示效果。实际传输时依然使用原始照片）
        // UIImage* scaledImage = [self imageWithImage:imageToSave scaledToSize:self.imagePhoto.bounds.size];
        //对图片大小进行压缩--
        imageToSave = [self imageWithImage:imageToSave scaledToSize:CGSizeMake(158, 100)];
        if (_flagType==1) {
            NSDictionary *data = @{@"paizhaoImage" : imageToSave};
            [SQBaseCell sharedInstance].paizhaoImageData = data;
            // 缓存传输照片
            self.imagePicture = imageToSave;
            [self.allSqInfoView[self.selectedIndex] didrecordValidate:self.tempPaiButton conValue:@"YES" showText:@""];
            for (int i=(int)self.imageDicArray.count-1; i>=0; i--) {
                if ([[self.imageDicArray[i] objectForKey:@"key"] isEqualToString:self.imgButton.accessibilityHint]) {
                    [self.imageDicArray removeObject:self.imageDicArray[i]];
                }
            }
            NSDictionary *tempDic = [NSDictionary dictionaryWithObjectsAndKeys:
                                     [NSString stringWithFormat:@"%@", self.imgButton.accessibilityHint],@"key",
                                     imageToSave,@"imageData",
                                     sqImgPicker.fileType, @"fileType",
                                     nil];

            [self.imageDicArray addObject:tempDic];
        }
        else if(_flagType==2)
        {
            NSDictionary *data = @{@"imgData" : imageToSave};
            SQInfoView *sqInfoView=self.allSqInfoView[self.selectedIndex];
            [sqInfoView insertSubView:[UIButton new] clickView:self.imgButton data:data];
        }

    }

    [self dismissViewControllerAnimated:YES completion:Nil];
}

//对图片尺寸进行压缩--
-(UIImage*)imageWithImage:(UIImage*)image scaledToSize:(CGSize)newSize
{
    // Create a graphics image context
    UIGraphicsBeginImageContext(newSize);

    // Tell the old image to draw in this new context, with the desired
    // new size
    [image drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];

    // Get the new image from the context
    UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();

    // End the context
    UIGraphicsEndImageContext();

    // Return the new image.
    return newImage;
}