public class MainActivity extends ActionBarActivity implements SwipeRefreshLayout.OnRefreshListener {

DBAdapter myDb = new DBAdapter(this);

private Uri imageUri;
private SwipeRefreshLayout swipeLayout;
private AsyncTwitter twitter;

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

    startTwitter();
    swipeLayout = (SwipeRefreshLayout) findViewById(R.id.refresh);
    swipeLayout.setOnRefreshListener(this);

    try {
        myDb.open();
    } catch (SQLException e) {
        e.printStackTrace();
    }

    populateListViewFromDb();
}

private void populateListViewFromDb() {
    Cursor c = myDb.getAllRows();

    //allow activity to manage lifetime of the cursor
    //this is deprecated.
    startManagingCursor(c);

    //set up mapping from cursor to view fields
    String[] fromFieldNames = new String[]
            {DBAdapter.KEY_USERNAME, DBAdapter.KEY_TWEET_TEXT,};
    int[] toViewIds = new int[]
            {R.id.item_username,     R.id.item_tweet_text};

    //create an adapter to map columns of the db onto the elements of the ui
    SimpleCursorAdapter myCursorAdapter = new SimpleCursorAdapter(
            this,                               //context
            R.layout.single_photo_item_view,    //row layout
            c,                                  //cursor
            fromFieldNames,
            toViewIds
    );

    //set the adapter for the list view
    ListView photoList = (ListView) findViewById(R.id.updatedTweets);
    photoList.setAdapter(myCursorAdapter);
}

<android.support.v4.widget.SwipeRefreshLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:id="@+id/refresh"
    tools:context=".MainActivity$PlaceholderFragment">

    <ListView
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:id="@+id/updatedTweets"/>

</android.support.v4.widget.SwipeRefreshLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

<ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/item_photo_view"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:maxHeight="120dp"
        android:maxWidth="120dp"
        android:adjustViewBounds="true"
        android:src="@drawable/img_placeholder"/>

<TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:text="Username"
        android:id="@+id/item_username"
        android:paddingRight="15dp"
        android:layout_toEndOf="@+id/item_photo_view"
        android:layout_alignParentTop="true"
        android:layout_toRightOf="@+id/item_photo_view"/>

<TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="item description"
        android:id="@+id/item_tweet_text"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:layout_toEndOf="@+id/item_photo_view"
        android:paddingLeft="20dp"
        android:layout_alignBottom="@+id/item_photo_view"
        android:layout_below="@+id/item_username"
        android:layout_toRightOf="@+id/item_photo_view"/>

</RelativeLayout>