HistoryDatabase.java 文件源码

@WorkerThread
@Nullable
synchronized String getHistoryItem(@NonNull String url) {
    Cursor cursor = lazyDatabase().query(TABLE_HISTORY, new String[]{KEY_ID, KEY_URL, KEY_TITLE},
        KEY_URL + " = ?", new String[]{url}, null, null, null, "1");
    String m = null;
    if (cursor != null) {
        cursor.moveToFirst();
        m = cursor.getString(0);

        cursor.close();
    }
    return m;
}