Screen capture options on Samsung devices?

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Some of our customers report that when remote controlling Samsung devices with Splashtop SOS or Splashtop Streamer running, there are chances that screen capture does not work well. 

With the following information, hope it will work, please file support ticket if you still have issues. 

 

Issue 1

Symptoms

  • On some Samsung device with elder Knox version, the captured screen might be distorted/broken.
  • On some Samsung device, when rotating the device, fail to capture the screen, on the technician side, black/white screen or only a partial of screen is captured, or the screen is frozen.
  • In Work Profile, fail to capture the screen, technician sees black screen. 

 

Workaround

In Splashtop Add-On: Samsung (Knox) 3.4.8 and up, a new capture option added, which will use system's screen capture instead of Knox screen capture, it helps a lot to solve the screen capture issues. 

Notice, you need to update Splashtop SOS and Splashtop Streamer to the following version or up to support the new capture option: 

 

Steps:

  1. In Splashtop Add-On: Samsung app, change the Screen capture to system screen capture if necessary. 

samsung_after_grant.jpg

    2. Reconnect to the device, when you first time connect to the device, system will prompt screen capture permission info, you need to click Start now to allow app to capture the screen

screen-capture-2.png

 

 

 

Issue 2

Symptoms

With Knox screen capture, on some device, the Screen is not displayed in the correct coordination. 

 

Workaround

You can change to Screen capture as described in Issue 1, or change the capture degree in the settings if Knox screen capture is still preferred. For this may be vary among Samsung devices and OS, you need to test and find out the right one. 

samsung_capture_degree.jpg

 

App Configuration 

Addon supports configuration of the screen capture through MDM

Notice: App Configuration has higher priority than manual changes, it will be applied to the app once the device restarted, we would suggest you to always set correct values or don't use the App Configuration. 

Knox_app_config.jpg

Field Key Type Meaning
Screen capture mode MDM_SCREEN_CAPTURE_MODE Select
  • Auto detect: let addon automatically select the better supported capture mode depending on system and knox version
  • Knox built-in screen capture: use knox's screen capture
  • System screen capture: use system screen capture
Capture degree MDM_CAPTURE_DEGREE Select
  • Auto detect: let addon automatically detect a right degree
  • 0: 0 degree
  • 90: 90 degree
  • 180: 180 degree
  • 270: 270 degree

 

References:

 

 

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