FlashlightActivity.java

package com.android.settings.widget;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.Window;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.widget.LinearLayout;

public class FlashlightActivity extends Activity{
	
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		LinearLayout linearLayout = new LinearLayout(this);
		linearLayout.setBackgroundColor(Color.WHITE);
		setContentView(linearLayout);
		getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
		
		final Window window = getWindow();
		LayoutParams attrs = window.getAttributes();
		attrs.screenBrightness =  1;
		window.setAttributes(attrs);
	}	

}