Android实现记住密码小功能
本文实例为大家分享了Android实现记住密码小功能的具体代码，供大家参考，具体内容如下
以下有三个点 第一点是记住密码， 第二点是点击隐藏点击显示， 第三点是登录存储。
XML布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".v.MainActivity">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="登录"
android:textSize="20sp"
android:textColor="#FFEB3B"
android:gravity="center"
android:padding="10dp"
android:background="#8BC34A"
>
</TextView>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginTop="50dp"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="邮箱:"
android:textColor="#03A9F4"
android:textSize="15sp"
android:textStyle="italic"
android:layout_marginLeft="30dp"
android:padding="10dp"
>
</TextView>
<EditText
android:id="@+id/youxiang"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="请输入邮箱"
android:paddingLeft="10dp"
android:textColorHint="#FF5722"
android:textStyle="italic"
android:layout_marginRight="40dp"
>
</EditText>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginTop="10dp"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="密码:"
android:textColor="#03A9F4"
android:textSize="15sp"
android:textStyle="italic"
android:layout_marginLeft="30dp"
android:padding="10dp"
>
</TextView>
<EditText
android:id="@+id/mima"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:hint="请输入密码"
android:paddingLeft="10dp"
android:textColorHint="#FF5722"
android:textStyle="italic"
>
</EditText>
<ImageView
android:id="@+id/can"
android:layout_width="20dp"
android:layout_height="match_parent"
android:src="@mipmap/login_icon_hide_password_n"
android:layout_marginRight="20dp"
>
</ImageView>
</LinearLayout>
<CheckBox
android:id="@+id/ji"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="记住密码"
android:textColor="#FF5722"
android:layout_marginLeft="40dp"
android:layout_marginTop="15dp"
>
</CheckBox>
<Button
android:id="@+id/deng"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="登录"
android:textColor="#FF5722"
android:background="#03A9F4"
android:textStyle="bold"
android:textSize="15sp"
android:layout_margin="30dp"
>
</Button>
</LinearLayout>
Java代码
package com.wd.health.v;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.method.HideReturnsTransformationMethod;
import android.text.method.PasswordTransformationMethod;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;
import com.wd.health.R;
import com.wd.health.base.BaseActivity;
import com.wd.health.bean.LoginBean;
import com.wd.health.contract.ILoginContract;
import com.wd.health.net.RsaCoder;
import com.wd.health.p.LoginPresenter;
import butterknife.BindView;
import butterknife.ButterKnife;
public class MainActivity extends BaseActivity<LoginPresenter> implements ILoginContract.ILoginView {
@BindView(R.id.can)
ImageView can;
@BindView(R.id.ji)
CheckBox ji;
@BindView(R.id.deng)
Button deng;
@BindView(R.id.youxiang)
EditText youxiang;
@BindView(R.id.mima)
EditText mima;
boolean sb=true;
private SharedPreferences user;
private SharedPreferences.Editor edit;
@Override
protected int initView() {
return R.layout.activity_main;
}
@Override
protected LoginPresenter CreatPresenter() {
return new LoginPresenter();
}
@Override
protected void loadData() {
ButterKnife.bind(this);
//默认是隐藏
mima.setTransformationMethod(PasswordTransformationMethod.getInstance());
//点击小眼睛
can.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (sb){
can.setImageResource(R.mipmap.login_icon_show_password);
mima.setTransformationMethod(HideReturnsTransformationMethod.getInstance()); //显示
sb=false;
}else {
can.setImageResource(R.mipmap.login_icon_hide_password_n);
mima.setTransformationMethod(PasswordTransformationMethod.getInstance()); //隐藏
sb=true;
}
}
});
//记住密码
user = getSharedPreferences("user", MODE_PRIVATE);
boolean isRemenber = user.getBoolean("remember_password", false);
if(isRemenber){
youxiang.setText(user.getString("phone",""));
mima.setText(user.getString("password",""));
ji.setChecked(true);
}
//点击登录
deng.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String s1 = youxiang.getText().toString(); //获取输入框邮箱
String s2 = mima.getText().toString(); //获取输入框密码
String a=""; //存放加密的密码
try {
a = RsaCoder.encryptByPublicKey(s2); //加密后的密码
} catch (Exception e) {
e.printStackTrace();
}
if (s1.equals("")){ //如果邮箱为空则吐司
Toast.makeText(MainActivity.this, "请输入邮箱", Toast.LENGTH_SHORT).show();
}else if (s2.equals("")){ //如果密码为空则吐司
Toast.makeText(MainActivity.this, "请输入密码", Toast.LENGTH_SHORT).show();
}else {
//这是MVP调用的P层
mPresenter.ShowDengPresenter(s1,a); //s1是邮箱 a是加密的密码
//记住密码
edit = user.edit();
if(ji.isChecked()){
edit.putBoolean("remember_password",true);
edit.putString("phone",s1); //没有加密的邮箱
edit.putString("password",s2); //没有加密的密码
}else{
edit.clear();
}
edit.apply();
}
}
});
}
@Override
public void ShowDengView(LoginBean loginBean) {
Toast.makeText(this, loginBean.getMessage(), Toast.LENGTH_SHORT).show();
if (loginBean.getStatus().equals("0000")){
user.edit().putString("userId",String.valueOf(loginBean.getResult().getUserId()))
.putString("sessionId",loginBean.getResult().getSessionId())
.putString("nickName",loginBean.getResult().getNickName())
.putString("userName",loginBean.getResult().getUserName())
.putString("jiGuangPwd",loginBean.getResult().getJiGuangPwd())
.putString("headPic",loginBean.getResult().getHeadPic())
.putString("sex",String.valueOf(loginBean.getResult().getSex()))
.putString("age",String.valueOf(loginBean.getResult().getAge()))
.putString("height",String.valueOf(loginBean.getResult().getHeight()))
.putString("weight",String.valueOf(loginBean.getResult().getWeight()))
.putString("email",String.valueOf(loginBean.getResult().getEmail()))
.putString("whetherBingWeChat",String.valueOf(loginBean.getResult().getWhetherBingWeChat()))
.putString("invitationCode",String.valueOf(loginBean.getResult().getInvitationCode()))
.putString("faceFlag",String.valueOf(loginBean.getResult().getFaceFlag()))
.commit();
//成功后跳转到首页
Intent intent = new Intent(MainActivity.this,HomeActivity.class);
startActivity(intent);
finish();
}
}
}
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