Android 常用代码---存储

1	取得Shared Preference - 已命名Preferences文件
权限
代码		// Use MODE_WORLD_READABLE and/or MODE_WORLD_WRITEABLE to grant access to other applications
SharedPreferences preferences = getSharedPreferences("YourPreferencesName", MODE_PRIVATE);
String preferenceValue = preferences.getString("yourPreferenceKey", "defaultValue");
2	检索Shared Preference - 单个Preference文件
权限
代码		// Use MODE_WORLD_READABLE and/or MODE_WORLD_WRITEABLE to grant access to other applications
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
String preferenceValue = preferences.getString("yourPreferenceKey", "defaultValue");
3	写入Shared Preference - 已命名Preferences文件
权限
代码		// Use MODE_WORLD_READABLE and/or MODE_WORLD_WRITEABLE to grant access to other applications
SharedPreferences preferences = getSharedPreferences("YourPreferencesName", MODE_PRIVATE);
SharedPreferences.Editor editor = preferences.edit();
editor.putString("yourPreferenceKey", "Your Preference Value");
editor.commit();
4	写入Shared Preference - 单个Preference文件
权限
代码		// Use MODE_WORLD_READABLE and/or MODE_WORLD_WRITEABLE to grant access to other applications
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
SharedPreferences.Editor editor = preferences.edit();
editor.putString("yourPreferenceKey", "Your Preference Value");
editor.commit();