How to make a SQL database accessable from a ContentProvider

ppmoore · by **ppmoore** » Fri Apr 17, 2009 7:55 am

Hello,

As a learning project for myself, I read the contents of a text file
into an SQL database, and would like to make its contents accessible
via a SimpleCursorAdapter.

I would like to associate the cursor to the content provider CONTENT_URI,
so that I can link its adapter to the AutoCompleteTextView. Can I do it?

My code to read the file and store it in the DB is:

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public class DictionarySQLAutoComplete extends Activity
 
{
 
  public static final String AUTHORITY = "com.xxx.android.examples";
 
  public static final Uri CONTENT_URI = Uri.parse("content://" +
 
                    AUTHORITY + "/dictionarysqlautocomplete");
 
  @Override
 
  public void onCreate(Bundle savedInstanceState)
 
  {
 
    DictionaryDbAdapter aDbHelper = new DictionaryDbAdapter( this );
 
    aDbHelper.open();
 
    // Fill the DB with the file contents
 
    AssetManager assetManager = getResources().getAssets();
 
    InputStream inStream =assetManager.open("filename.txt");
 
    DataInputStream dataInStream = new DataInputStream(inStream);
 
    BufferedReader bufReader = new BufferedReader(new InputStreamReader
 
                                                             (dataInStream));
 
    String aFileLine = null;
 
    while( ( aFileLine = bufReader.readLine() ) != null )
 
    {
 
      // Copy read line to next item to the dictionary
 
      long result = aDbHelper.createDictionaryEntry(aFileLine, "empty for now");
 
    }
 
    bufReader.close();
 
    // Get the cursor for the full DB contents query
 
    Cursor aCursor = mDbHelper.fetchAllDictionaryEntries();
 
    //Create the auto-complete text widget
 
    AutoCompleteTextView textView = (AutoCompleteTextView) findViewById
 
                                 (R.id.edit);
 
    // Create the adapter from the database cursor
 
    mFrom = new String[] { DictionaryDbAdapter.KEY_ROWID};
 
    mTo = new int[] { android.R.id.text1 };
 
    SimpleCursorAdapter adapter = new SimpleCursorAdapter( this,
 
            android.R.layout.simple_dropdown_item_1line,
 
            aCursor, mFrom, mTo );
 
}
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The DictionaryDbAdapter class is based on the one used in the Notepad
tutorial sample.

Thanks,
Paul

How to make a SQL database accessable from a ContentProvider

How to make a SQL database accessable from a ContentProvider

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