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Android Flash light with virtual text

问题描述:

Can we use the flash light of android doing something cool. Like some sort of projector. We open flashlight and in the surface where the light is put there can we show some text in virtual. I know its the same concept of Projector which is not possible due to hardware lacuna. But is there something possible to put a virtual text in android ?

网友答案:

But is there something possible to put a virtual text

No this is not possible.

You can check the android developer docs for all possible Camera.Parameters Link. But you will never be able to do something like displaying text with the flashlight. Remember that the flashlight is just a light which can be turned on or off (and thats it!).

Another idea: Morse code by turning the flashlight on/off would work

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