Turning on camera flash LED in Android? [duplicate]

This question already has answers here: Closed 9 years ago.

Possibl开发者_如何学编程e Duplicate:

How turn on camera flash light programmatically in Android?

so how do you turn on the camera's "flash" LED in Android? (like flashlight apps) - and is it possible to vary the brightness?

search results for "android flash" too polluted by adobe flash :(

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check this topic, will help a lot.

How to turn on camera flash light programmatically in Android?