Android实现记住密码功能

 package com.wangdeqiang.www.chatwithrobot.BroadcastBestPractice; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.preference.PreferenceManager; import android.view.View; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; import android.widget.Toast; import com.wangdeqiang.www.chatwithrobot.R; import static com.wangdeqiang.www.chatwithrobot.R.id.account; /** * @author */ public class LoginActivity extends BaseActivity { private SharedPreferences pref; private SharedPreferences.Editor editor; private EditText accountEdit; private EditText passwordEdit; private Button login; private CheckBox rememberPass; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_login); pref = PreferenceManager.getDefaultSharedPreferences(this); accountEdit = (EditText) findViewById(account); passwordEdit = (EditText) findViewById(R.id.password); rememberPass = (CheckBox) findViewById(R.id.remember_pass); login = (Button) findViewById(R.id.login); boolean isRemeber = pref.getBoolean("remember_password",false); if(isRemeber) { //将账号和密码都设置到文本框中 String account = pref.getString("account",""); String password = pref.getString("password",""); accountEdit.setText(account); passwordEdit.setText(password); rememberPass.setChecked(true); } login.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String account = pref.getString("account", "").toString(); String password = pref.getString("password", "").toString(); //如果账号和密码是admin和123456,就认为登陆成功 if (account.equals("admin") && password.equals("123456")) { editor = pref.edit(); if (rememberPass.isChecked()) { editor.putBoolean("remember", false); editor.putString("account", account); editor.putString("password", password); } else { editor.apply(); } editor.commit(); Intent intent = new Intent(LoginActivity.this, Main3Activity.class); startActivity(intent); finish(); } else { Toast.makeText(LoginActivity.this, "密码或者账号错误", Toast.LENGTH_SHORT).show(); } } }); } }