Android Flashlight

You must add the permission  in AndroidManifest.xml:

1 2	<uses-permission android:name="android.permission.CAMERA" /> <uses-feature android:name="android.hardware.camera" />

Main.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

    <Button 

        android:id="@+id/on_btn"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="Turn Flash ON" />

</LinearLayout>