Zoom camera focal length

已完成

2023年03月21日 12:10

how to get info about current camera focal length. I tryed this

val keyCameraZoomFocalLength = KeyTools.createKey(co_f.KeyCameraHybridZoomFocalLength)

keyManager
    .listen(
        keyCameraZoomFocalLength,
        this,
        CommonCallbacks.KeyListener { oldValue, newValue ->
        })

Log.e("DEV4343", "4: ${keyCameraZoomFocalLength.get()}", )

11 条评论

DJI Developer Support

2023年03月22日 03:15
The key creation is wrong. You should use createCameraKey and CameraKey.KeyCameraHybridZoomFocalLength.
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Alexander

2023年03月22日 05:11
tryed this aswell always 0
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Alexander

2023年03月22日 05:17

val keyCameraZoomFocalLength = KeyTools.createCameraKey(CameraKey.KeyCameraHybridZoomFocalLength, ComponentIndexType.LEFT_OR_MAIN, CameraLensType.CAMERA_LENS_ZOOM)

DJI Developer Support

2023年03月22日 06:03
The listen will only trigger if the value is changed. You need to use getValue method. What is your aircraft?
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Alexander

2023年03月22日 06:07
matrice 30, it should be changed when i zoom in zoom out right?
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Alexander

2023年03月22日 06:12
there is no method getValue, only get, and it returns null
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DJI Developer Support

2023年03月22日 06:17
No isue when testing on the Sample, pleasecheck your code again. ![](https://djisdksupport.zendesk.com/attachments/token/oz6M7DMGfIGwN49FzqFT9I4Y6/?name=image.png)
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Alexander

2023年03月22日 06:26
as i see u have 5.3 version, i got 5.1, mb this issue solved in 5.3 ver?
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DJI Developer Support

2023年03月22日 06:39
You can download the 5.3.0-a3 from https://github.com/dji-sdk/Mobile-SDK-Android-V5/tree/dev-sdk-alpha, try update your MSDK and firmware to the latest.
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Alexander

2023年03月22日 07:30

if im using same code but with

KeyCameraZoomFocalLength it shows valuem but with

KeyCameraHybridZoomFocalLength always null

Alexander

2023年03月22日 07:42
and seems like value of
```
KeyCameraZoomFocalLength
is exactly what i need
```
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