Android ContentProvider access example.

MainActivity.java

package android.example.com.dictionaryproviderexample;

import android.content.ContentResolver;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.UserDictionary;
import android.provider.UserDictionary.Words;
import android.support.v7.app.ActionBarActivity;
import android.widget.TextView;

public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        TextView dictTextView = (TextView) findViewById(R.id.dictionary_text_view);
        ContentResolver resolver = getContentResolver();
        Cursor cursor = resolver.query(UserDictionary.Words.CONTENT_URI, null, null, null, null);
        try {
            dictTextView.setText("The UserDictionary contains " + cursor.getCount() + " words.");
            String columnsStr = "COLUMNS: " + Words._ID + " - " + Words.FREQUENCY + " - " + Words.WORD;
            dictTextView.append(columnsStr);
            int idColumn = cursor.getColumnIndex(Words._ID);
            int frequencyColumn = cursor.getColumnIndex(Words.FREQUENCY);
            int wordColumn = cursor.getColumnIndex(UserDictionary.Words.WORD);
            while (cursor.moveToNext()) {
                String word = cursor.getString(wordColumn);
                Integer id = cursor.getInt(idColumn);
                Integer frequency = cursor.getInt(frequencyColumn);
                dictTextView.append(("\n" + id + " - " + frequency + " - " + word));
             }
        } finally {
            cursor.close();
        }
    }
}