|  | @@ -27,6 +27,7 @@ import android.content.pm.ResolveInfo;
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				|  |  |  import android.net.Uri;
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				|  |  |  import android.os.AsyncTask;
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				|  |  |  import android.os.Bundle;
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				|  |  | +import android.support.v7.app.AppCompatActivity;
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				|  |  |  import android.text.Editable;
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				|  |  |  import android.text.TextWatcher;
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				|  |  |  import android.view.View;
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				|  | @@ -68,7 +69,7 @@ import java.util.regex.Pattern;
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				|  |  |   * @author damonkohler@google.com (Damon Kohler)
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				|  |  |   * @author munjaldesai@google.com (Munjal Desai)
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				|  |  |   */
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				|  |  | -public class MasterChooser extends Activity {
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				|  |  | +public class MasterChooser extends AppCompatActivity {
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				|  |  |  
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				|  |  |    /**
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				|  |  |     * The key with which the last used {@link URI} will be stored as a
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