Question

I need to add functionality to that button, but i dont know the name of the button, and I dont know how to give it functionality.

Does someone know what to do?

SOLVED:

    mSurfaceView.requestFocus();
    mSurfaceView.setFocusableInTouchMode(true);

public boolean onKey(View v, int keyCode, KeyEvent event) {
    boolean keyManaged=false;
    switch(keyCode)
    {
        case KeyEvent.KEYCODE_CAMERA:
            mCamera.takePicture(null, mPictureCallback, mPictureCallback);  
            keyManaged=true;
            break;
    }
    return keyManaged;
}

Answer 1

It show up as KeyEvent.KEYCODE_CAMERA in a KeyListener.