问调用需要api级别11。收到此错误时该如何处理？

EN

public class MainActivity extends Activity {

    TextView textview;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


    String hallo = "blabla " + "jojo " + "lol " + "\n" + "doj " + "drasl " + "\n"; 
    InputStream is = new ByteArrayInputStream(hallo.getBytes());
    BufferedReader in = new BufferedReader(new InputStreamReader(is));
    LinearLayout linearLayout = (LinearLayout) findViewById(R.id.linearLayout);

    String line;
    try {
        while ((line = in.readLine()) != null) {
            String[] RowData = line.split(" ");
            String eitt = RowData[0];
            String tvo = RowData[1];

            TextView textView = new TextView(this);
            textView.setText(line);
            textView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT
           ,LayoutParams.WRAP_CONTENT));
            linearLayout.addView(textView);
        }
    } catch (IOException e1) {
        e1.printStackTrace();
    }
    }
}

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/scrollView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <LinearLayout
        android:id="@+id/linearLayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >

        </LinearLayout>

</ScrollView>

textView.setLayoutParams(newLayoutParams(LayoutParams.FILL_PARENT
           ,LayoutParams.WRAP_CONTENT));