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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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import android.app.Activity;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.Button;
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public class WizardActivity extends Activity
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// enable back button based on intent data
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Bundle extras = getIntent().getExtras();