android记住密码和自动登陆

import android.app.Activity;

import android.content.Intent;

import android.content.SharedPreferences;

import android.content.SharedPreferences.Editor;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.EditText;

public class DengLu extends Activity implements OnClickListener{

private EditText name;

private EditText password;

private CheckBox box1;

private CheckBox box2;

private SharedPreferences sharedPreferences;

private Button button;

@Override

protected void onCreate(Bundle savedInstanceState) {

    // TODO Auto-generated method stub

    super.onCreate(savedInstanceState);

    setContentView(R.layout.denglu);

    button = (Button) findViewById(R.id.button);

    name = (EditText) findViewById(R.id.name);

    password = (EditText) findViewById(R.id.password);

    box1 = (CheckBox) findViewById(R.id.baocun);

    box2 = (CheckBox) findViewById(R.id.zidong);

    sharedPreferences = getSharedPreferences("zhuce", 0);

//记住密码

    boolean  isCheckBox1 =sharedPreferences.getBoolean("CheckBox1", false);

//自动登录

    boolean  isCheckBox2 =sharedPreferences.getBoolean("CheckBox2", false);

    String names=sharedPreferences.getString("name","");

    String passwords=sharedPreferences.getString("password", "");

    if(isCheckBox1){

            if(!names.equals("")&&!passwords.equals("")){

                name.setText(names);

                password.setText(passwords);

                box1.setChecked(true);

            }else{

                if(!names.equals("")){

                    name.setText(names);

                }

            }

    }

    if(isCheckBox2){

        Intent intent = new Intent(DengLu.this, ZhuYe.class);

        startActivity(intent);

    }

    button.setOnClickListener(this);

}

@Override

public void onClick(View v) {

    // TODO Auto-generated method stub

    switch (v.getId()) {

    case R.id.button:

        if(box1.isChecked()){

             sharedPreferences.edit().putBoolean("CheckBox1", true).commit();

             sharedPreferences.edit().putString("name", name.getText().toString()).commit();

             sharedPreferences.edit().putString("password", password.getText().toString()).commit();

        }else{

            sharedPreferences.edit().putBoolean("CheckBox1", false).commit();

             sharedPreferences.edit().putString("name", name.getText().toString()).commit();

             sharedPreferences.edit().putString("password", "").commit();

        }

        if(box2.isChecked()){

            sharedPreferences.edit().putBoolean("CheckBox2", true).commit();

        }

        Intent intent = new Intent(DengLu.this, ZhuYe.class);

        startActivity(intent);

        break;

    default:

        break;

    }

}

}
巴特西

android记住密码和自动登陆

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