Flash is not supported for front camera, though stock Camera app has flash support for front camera

  android, android-camera, android-camera2

On Samsung S10 I can’t enable flash using front camera (both camera2 and legacy camera API return false when checking support of flash for this camera)

For example

Timber.d("flashSupport ${CameraUtil.isFlashAvailable(this, "0")}, ${CameraUtil.isFlashAvailable(this, "1")}")

"0" – id of back camera
"1" – id of front camera

output:

flashSupport true, false

fun isFlashAvailable(context: Context, cameraId: String): Boolean {
    val characteristics = getCameraCharacteristics(context, cameraId)
    return characteristics.get(CameraCharacteristics.FLASH_INFO_AVAILABLE) == true
}

So I can enable flash only for back camera but not for front camera? Why so? Samsung limits it and allows only for their system Camera app or is there something else?

Source: Android Questions

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