Merge "Add a convenience method for getting the media provider version."

import android.content.ContentResolver;

import android.content.ContentValues;

import android.content.ContentUris;

import android.content.Context;

import android.database.Cursor;

import android.database.DatabaseUtils;

import android.database.sqlite.SQLiteException;

     * the Music app.

     */

    public static final String MEDIA_IGNORE_FILENAME = ".nomedia";

    /**

     * Get the media provider's version.

     * Applications that import data from the media provider into their own caches

     * can use this to detect that the media provider changed, and reimport data

     * as needed. No other assumptions should be made about the meaning of the version.

     * @param context Context to use for performing the query.

     * @return A version string, or null if the version could not be determined.

     * @hide

     */

    public static String getVersion(Context context) {

        Cursor c = context.getContentResolver().query(

                Uri.parse(CONTENT_AUTHORITY_SLASH + "none/version"),

                null, null, null, null);

        if (c != null) {

            try {

                if (c.moveToFirst()) {

                    return c.getString(0);

                }

            } finally {

                c.close();

            }

        }

        return null;

    }

}