要保存您的分数,您可以执行以下操作:
// prepare the data: put the String values of the scores of the first 3 users
// in one String array for each level
String[] firstLevelHighscores = new String[] {
firstUserLevel1Score, secondUserLevel1Score, thirdUserLevel1Score
};
String[] secondLevelHighscores = new String[] {
firstUserLevel2Score, secondUserLevel2Score, thirdUserLevel2Score
};
String[] thirdLevelHighscores = new String[] {
firstUserLevel3Score, secondUserLevel3Score, thirdUserLevel3Score
};
// now save them in SharedPreferences
SharedPreferences sharedPref = getSharedPreferences("LevelScores",
Context.MODE_PRIVATE);
Editor editor = sharedPref.edit();
editor.putStringSet("level1", firstLevelHighscores);
editor.putStringSet("level2", secondLevelHighscores);
editor.putStringSet("level3", thirdLevelHighscores);
请注意,您可以将更多用户的分数放入字符串数组中。如果您需要保存更多关卡的分数,只需创建更多数组即可。
要从 SharedPreferences 检索保存的数据,您可以这样做:
SharedPreferences sharedPref = getSharedPreferences("LevelScores",
Context.MODE_PRIVATE);
String[] firstLevelHighscores = sharedPref.getStringSet("level1", null);
String[] secondLevelHighscores = sharedPref.getStringSet("level2", null);
String[] thirdLevelHighscores = sharedPref.getStringSet("level3", null);
我假设你能够转换int
to String
反之亦然。希望这种方式对你有用。