我想存储一些基本数据,如players_name,levels_completed,faster_speed,faster_time,并在每次玩家开始我正在制作的愚蠢小游戏时启动它……这是执行此操作的常用方法吗? Sharedprefs还是内部存储? 我
Sharedprefs还是内部存储?
我现在是http://developer.android.com/guide/topics/data/data-storage.html
并且对于使用哪个看起来既好又容易做就感到困惑.
建议?
谢谢!
这几乎取自其中一个Facebook sdks示例(它允许您保存FB会话,因此用户不必每次都登录)…我会稍微为您修改它public class SessionStore { private static final String PLAYER_NAME = "player_name"; private static final String LEVELS_COMPLETED = "levels_completed"; private static final String HIGH_SCORE = "high_score"; private static final String KEY = "player_session"; int highScore; int levelsCompleted; String pName; public static boolean saveSession(Context context, String player_name, int levels_completed, int high_score) { Editor editor = context.getSharedPreferences(KEY + player_name, Context.MODE_PRIVATE).edit(); editor.putString(PLAYER_NAME,player_name); editor.putInt(LEVELS_COMPLETED, levels_completed); editor.putInt(HIGH_SCORE,high_score); return editor.commit(); } public static void restoreSession(Context context, String player_name) { SharedPreferences savedSession = context.getSharedPreferences(KEY + player_name, Context.MODE_PRIVATE); highScore = savedSession.getInt(HIGH_SCORE,0); levelsCompleted = savedSession.getInt(LEVELS_COMPLETED,0); pName = savedSession.getString(PLAYER_NAME,"NO_NAME!"); } public String getName() { return pName; }
}
我想你得到的基本想法……
一些要点:我使用“KEY player_name”以防不同玩家在同一部手机上播放(如果它是静态的,你会用其他数据覆盖一个玩家的数据).
此外,当你执行pName = savedSession.getString(PLAYER_NAME,“NO_NAME!”);如果共享首选项中不存在任何内容,则默认值为“NO_NAME!”同样对于getInts(在这种情况下,我将它们默认为0)
在程序中你会做SessionStore.saveSession(“Alex”,50000,50000);希望这给出了如何使用它的好主意……还要记住我是一个新手 – 这对我来说很有用但我不是专家:D