[英]SDK DJI download photo in swift
我只是試圖從我的DJI無人機下載最新的訪問提要,並將提要轉換為UIImage。 我認為可以完成的最簡單方法是拍攝照片,然后迅速從存儲設備中下載最新照片。 我將在下面的存儲代碼中添加下載內容。 這是最簡單的方法嗎? 我一直收到此錯誤代碼-
Settings parameters operation failed. (Code : -1007)
我已經研究過了,但找不到它的意思-DJI文檔僅限於幾乎所有obj-c。 這里的代碼-
@IBAction func download(_ sender: UIButton) {
let camera = self.fetchCamera()
// switch camera mode to allow for media downloads
camera?.setMode(DJICameraMode.mediaDownload, withCompletion: {(error) in
if error != nil {
self.status.text="\(error!.localizedDescription)"
}
else {
// get the media manager from the drone to gain access to the files
let manager = camera!.mediaManager!
if error != nil {
self.status.text = "State: \(manager.sdCardFileListState.rawValue)"
self.status.text = "Error refreshing list: \(error)"
}
else {
print("Refreshed file list")
print("State: \(manager.sdCardFileListState.rawValue)")
guard let files = manager.sdCardFileListSnapshot() else {
self.status.text = ("No files to download")
return
}
self.status.text = "There are files to download"
var images: [UIImage] = []
for file in files {
if file.mediaType == .JPEG {
self.status.text = ("Time created: \(file.timeCreated)")
DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
file.fetchData(withOffset: 0, update: DispatchQueue.main, update: {(_ data: Data?, _ isComplete: Bool, _ error: Error?) -> Void in
if error != nil {
self.status.text = "State: \(manager.sdCardFileListState.rawValue)"
self.status.text = "Error downloading photo: \(error!)"
}
else {
// unwrap downloaded data and create image
if let data = data, let downloadedImage = UIImage(data: data) {
self.status.text = "Image was downloaded!"
images.append( downloadedImage )
}
}
}) // end of filedata fetch
}
}
} // end of loop
}
}
})// end of camera setMode block
}`
任何幫助將不勝感激-謝謝
@IBAction func download(_ sender: UIButton) {
let camera = self.fetchCamera()
// switch camera mode to allow for media downloads
camera?.setMode(DJICameraMode.mediaDownload, withCompletion: {(error) in
if error != nil {
self.status.text="\(error!.localizedDescription)"
}
else {
// get the media manager from the drone to gain access to the files
let manager = camera!.mediaManager!
if error != nil {
self.status.text = "State: \(manager.sdCardFileListState.rawValue)"
self.status.text = "Error refreshing list: \(error)"
}
else {
print("Refreshed file list")
print("State: \(manager.sdCardFileListState.rawValue)")
while(manager.internalStorageFileListState != .UpToDate) {
// Do nothing...
}
guard let files = manager.sdCardFileListSnapshot() else {
self.status.text = ("No files to download")
return
}
self.status.text = "There are files to download"
var images: [UIImage] = []
for file in files {
if file.mediaType == .JPEG {
self.status.text = ("Time created: \(file.timeCreated)")
DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
file.fetchData(withOffset: 0, update: DispatchQueue.main, update: {(_ data: Data?, _ isComplete: Bool, _ error: Error?) -> Void in
if error != nil {
self.status.text = "State: \(manager.sdCardFileListState.rawValue)"
self.status.text = "Error downloading photo: \(error!)"
}
else {
// unwrap downloaded data and create image
if let data = data, let downloadedImage = UIImage(data: data) {
self.status.text = "Image was downloaded!"
images.append( downloadedImage )
}
}
}) // end of filedata fetch
}
}
} // end of loop
}
}
})// end of camera setMode block
}
為什么不重寫“生成的新文件”的回調,然后在那里下載文件
func camera(_ camera: DJICamera, didGenerateNewMediaFile newMedia: DJIMediaFile) {
newMedia.fetchData(withOffset: 0, update: DispatchQueue.main, update: {(_ data: Data?, _ isComplete: Bool, _ error: Error?) -> Void in
if error != nil {
self.status.text = "State: \(manager.sdCardFileListState.rawValue)"
self.status.text = "Error downloading photo: \(error!)"
}
else {
// unwrap downloaded data and create image
if let data = data, let downloadedImage = UIImage(data: data) {
self.status.text = "Image was downloaded!"
images.append( downloadedImage )
}
}
}) // end of filedata fetch
}
您將必須實現“ DJICameraDelegate”類,並在ViewController中設置委托。 希望這可以幫助!
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