sharedPerference登录保存密码

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class LoginActivity extends Activity {

	//1）点击登录按钮，完成输入的用户名、密码的非空校验
	//2）将用户名，登录状态缓存到SharedPreferences，
	//3）登录成功之后下次不再进入登录页面，直接进入图三所示主页面
	
	private EditText edit_name,edit_pwd;
	private Button btn_login;
	private SharedPreferences sharedPreferences;
	private Editor editor;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_login);
		
		//获取资源ID
		edit_name = (EditText) findViewById(R.id.edit_name);
		edit_pwd = (EditText) findViewById(R.id.edit_pwd);
		btn_login = (Button) findViewById(R.id.btn_login);
		
		sharedPreferences = getSharedPreferences("User", MODE_PRIVATE);
		
		editor = sharedPreferences.edit();
		
		boolean succ = sharedPreferences.getBoolean("succ", false);
		
		if(succ){
			Intent intent1 = new Intent(LoginActivity.this, SuccessActivity.class);
			startActivity(intent1);
			finish();
			
		}
		
		btn_login.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				String name = edit_name.getText().toString();
				String pwd = edit_pwd.getText().toString();
				Toast.makeText(LoginActivity.this, name, 0).show();
				if(name.equals("") || pwd.equals("")){
					Toast.makeText(LoginActivity.this, "用户名或密码错误", 0).show();
				}else{
					Intent intent1 = new Intent(LoginActivity.this, SuccessActivity.class);
					startActivity(intent1);
					Toast.makeText(LoginActivity.this, "登陆成功", 0).show();
					
					editor.putBoolean("succ", true);
					editor.putString("name", name);
					
					editor.commit();
				}
			}
		});
	}


}