WordsProvider.java 文件源码

private Uri insertPet(Uri uri, ContentValues values) {
    String name = values.getAsString(WordContract.WordEntry.COLUMN_WORD_NAME);
    if (name == null) {
        throw new IllegalArgumentException("No Words entered");
    }


    SQLiteDatabase database = mDbHelper.getWritableDatabase();
    long id = database.insert(WordContract.WordEntry.TABLE_NAME, null, values);
    if (id == -1) {
        Log.e(LOG_TAG, "Failed to insert row for " + uri);
        return null;
    }
    return ContentUris.withAppendedId(uri, id);
}