SharedPreferences

    public void click(View view) throws Exception {
        SharedPreferences sf = getSharedPreferences("my",Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = sf.edit();
        editor.putString("name", "xiaoqiang");
        editor.putInt("age", 100);
        editor.commit();

        String name = sf.getString("name","");
        int age = sf.getInt("age",0);
        System.out.println("name = "+name+","+"age = "+age);
    }