public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    new Connect();
    TextView myTextView = (TextView) findViewById(R.id.text);
    myTextView.setText();

}

public class Connect extends AsyncTask<Context, Integer, Long> {

    protected Long doInBackground(Context... contexts) {

        Connection connection;
        String query = "SELECT * FROM Scraped WHERE Category='Hazard'";
        try {
            Class.forName("com.mysql.jdbc.Driver");
            connection = DriverManager.getConnection("jdbc:mysql://127.0.0.1/scrapedb", "root", "root");

            Statement statement = connection.createStatement();
            ResultSet resultSet = statement.executeQuery(query);

            while(resultSet.next()){

                String contents = resultSet.getString(1);
                //what do i do here to get data and display it on the
                //textview
            }


        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.boneyflesh.testconnection.MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/text" />
</RelativeLayout>