本文实例为大家分享了Android实现记住密码功能的具体代码,供大家参考,具体内容如下
LoginActivity.java
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();
}
}
});
}
}
activity_login.xml
<?xml version="1.0" encoding="utf-8"?>
<TableLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:stretchColumns="1"
>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:orientation="horizontal">
<TextView
android:layout_width="90dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:text="Account:"
android:textSize="18sp" />
<EditText
android:id="@+id/account"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_weight="1" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:orientation="horizontal">
<TextView
android:layout_width="90dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:text="Password"
android:textSize="18sp" />
<EditText
android:id="@+id/password"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_weight="1"
android:inputType="textPassword" />
</LinearLayout>
</LinearLayout>
<TableRow>
<CheckBox
android:id="@+id/remember_pass"
android:layout_height="wrap_content"
/>
<TextView
android:layout_height="wrap_content"
android:text="Remeber password"
/>
</TableRow>
<Button
android:id="@+id/login"
android:layout_height="wrap_content"
android:layout_span="2"
android:text="Login"
/>
</TableLayout>
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持得得之家。
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