zz：android sharedpreferences用法

import android.app.Activity;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.EditText;
import android.widget.ImageButton;

public class MySharedPreferencesActivity extends Activity {
    private EditText user = null;
    private EditText password = null;
    
    private ImageButton loginBtn = null;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        user = (EditText)findViewById(R.id.user);
        password = (EditText)findViewById(R.id.pass);
        loginBtn = (ImageButton)findViewById(R.id.loginButton);
        initView();
        loginBtn.setOnTouchListener(new OnTouchListener(){

            @Override
            public boolean onTouch(View v, MotionEvent event) {
                if(event.getAction()==MotionEvent.ACTION_DOWN){
                    v.setBackgroundResource(R.drawable.dengluxitong1);
                    SharedPreferences userInfo = getSharedPreferences("user_info", 0);
                    userInfo.edit().putString("name", user.getText().toString()).commit();
                    userInfo.edit().putString("pass", password.getText().toString()).commit();
                }
                else if(event.getAction()==MotionEvent.ACTION_UP){
                    v.setBackgroundResource(R.drawable.dengluxitong);
                }
                return false;
            }
            
        });
    }
    private void initView() {
        SharedPreferences userInfo = getSharedPreferences("user_info", 0);
        String username = userInfo.getString("name", "");
        String pass = userInfo.getString("pass", "");
        user.setText(username);
        password.setText(pass);
    }
}