public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
SharedPreferences pref=PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
//方法2:SharedPreferences //pref=getSharedPreferences("mypref",MODE_PRIVATE);
Editor editor=pref.edit();
editor.putString("name", "王二");
editor.putBoolean("default", true);
editor.putInt("age", 30);
editor.putLong("time", System.currentTimeMillis());
editor.commit();//提交
//System.out.println(pref.getInt("age", 0));
}
}