How to use camera flash/led as torch on a Samsung Galaxy Tab?

Question

I\'m facing to a problem with a Samsung Galaxy Tab. I want to use the camera flash as torch.

Does anyone know how to enable it ?

Hereby a code that works to

Answer 1

This is how I turn on and of the torch in LG Nexus 4 and Samsung Galaxy Ace 2.

public void changeTorch() {
            try {
                camera = Camera.open();
                // try to open the camera to turn on the torch
                Camera.Parameters param = camera.getParameters();
                param.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
                camera.setParameters(param);
                camera.startPreview(); // needed for some devices
                Log.v("BSW torch", "Torch ON");
            } catch (Exception e) {
                // if open camera fails, try to release camera
                Log.w("BSW torch", "Camera is being used trying to turn Torch OFF");
                try {
                    camera.release();
                } catch (Exception ex) {
                    Log.e("BSF torch", "Error releasing camera");
                }
            }
        }