安卓数据存储

1.文件存储

FileOutputStream fo = openFileOutput(filename, Context.MODE_PRIVATE )

2.SharedPreferences存储

SharedPreferences.Editor editor = getSharedPreferences(filename, MODE_PRIVATE).edit()

editor.putString(key, value)

....

editor.apply()

editor.getString(key , defaultValue)

3.SQLite数据库存储

4.LitePal操作数据库