23.实战演练--个人主页

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"><applicationandroid:allowBackup="true"android:dataExtractionRules="@xml/data_extraction_rules"android:fullBackupContent="@xml/backup_rules"android:icon="@mipmap/ic_launcher"android:label="@string/app_name"android:roundIcon="@mipmap/ic_launcher_round"android:supportsRtl="true"android:theme="@style/Theme.LoginTest"tools:targetApi="31"><activityandroid:name=".EditProfileActivity"android:exported="false" /><activityandroid:name=".UserProfileActivity"android:exported="false" /><activityandroid:name=".LoginActivity"android:exported="true"android:label="登录"><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter></activity><activityandroid:name=".RegisterActivity"android:exported="false"android:label="注册" /><activityandroid:name=".MainActivity"android:exported="false"android:label="首页" /></application></manifest>

<?xml version="1.0" encoding="utf-8"?>
<resources><style name="MyBtnStyle"><item name="android:textColor">@color/white</item><item name="android:textSize">25sp</item><item name="android:background">@drawable/btn_bg_selector</item><item name="android:layout_marginTop">20dp</item><item name="android:layout_marginRight">20dp</item><item name="android:layout_marginLeft">20dp</item></style><style name="MyEditStyle"><item name="android:textSize">18sp</item><item name="android:background">@drawable/edit_text_bg</item><item name="android:paddingLeft">10dp</item><item name="android:layout_height">50dp</item></style>
</resources>

<resources><string name="app_name">LoginTest</string><string-array name="cities"><item>北京</item><item>上海</item><item>天津</item><item>深圳</item><item>广州</item><item>福建</item><item>江苏</item><item>浙江</item><item>江西</item><item>湖北</item></string-array>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources><color name="black">#FF000000</color><color name="white">#FFFFFFFF</color><color name="green_200">#C5E1A5</color><color name="green_500">#8BC34A</color><color name="green_700">#689F38</color><color name="colorPrimary">@color/green_500</color><color name="colorPrimaryDark">@color/green_700</color><color name="accent">#F4511E</color><color name="teal_200">#FF03DAC5</color><color name="teal_700">#FF018786</color>
</resources>

<vector android:autoMirrored="true" android:height="24dp"android:tint="#093243" android:viewportHeight="24"android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android"><path android:fillColor="@android:color/white" android:pathData="M6.23,20.23l1.77,1.77l10,-10l-10,-10l-1.77,1.77l8.23,8.23z"/>
</vector>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"><item android:state_pressed="true" android:drawable="@color/colorPrimary"/><item android:state_pressed="false" android:drawable="@color/colorPrimaryDark"/>
</selector>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"android:shape="rectangle"><stroke android:width="3dp" android:color="@color/colorPrimary"/><corners android:radius="10dp"/>
</shape>

<?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"tools:context=".MainActivity"android:orientation="vertical"><TextViewandroid:id="@+id/tv_content"android:layout_width="wrap_content"android:layout_height="wrap_content"android:textSize="40sp"android:layout_marginTop="30dp"android:text="欢迎你："android:layout_gravity="center_horizontal"/><Buttonandroid:id="@+id/btn_logout"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="退出登录"android:textSize="25sp"android:layout_margin="20dp"android:background="@drawable/btn_bg_selector"/>
</LinearLayout>

package com.example.logintest;import androidx.appcompat.app.AppCompatActivity;import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;public class MainActivity extends AppCompatActivity implements View.OnClickListener {private Button btn_logout;private TextView tvContent;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);btn_logout = findViewById(R.id.btn_logout);btn_logout.setOnClickListener(this);tvContent = findViewById(R.id.tv_content);Intent intent = getIntent();String account = intent.getStringExtra("account");tvContent.setText("欢迎你："+account);}@Overridepublic void onClick(View view) {if (view.getId() == R.id.btn_logout) {SharedPreferences spf = getSharedPreferences("spfRecord",MODE_PRIVATE);SharedPreferences.Editor edit = spf.edit();edit.putBoolean("isLogin",false);edit.apply();Intent intent = new Intent(this, LoginActivity.class);startActivity(intent);this.finish();}}
}

<?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"tools:context=".RegisterActivity"android:orientation="vertical"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"android:layout_marginTop="40dp"android:gravity="center_vertical"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="账        号:"android:textSize="25sp"/><EditTextandroid:id="@+id/et_account"android:layout_width="match_parent"android:layout_height="50dp"android:hint="请输入用户名或手机号"android:textSize="18sp"android:layout_marginLeft="10dp"android:paddingLeft="5dp"android:inputType="text"android:background="@drawable/edit_text_bg"/></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"android:layout_marginTop="40dp"android:gravity="center_vertical"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="密        码:"android:textSize="25sp"/><EditTextandroid:id="@+id/et_password"android:layout_width="match_parent"android:layout_height="50dp"android:hint="请输入密码"android:textSize="18sp"android:layout_marginLeft="10dp"android:paddingLeft="5dp"android:inputType="numberPassword"android:background="@drawable/edit_text_bg"/></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"android:layout_marginTop="40dp"android:gravity="center_vertical"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="确认密码:"android:textSize="25sp"/><EditTextandroid:id="@+id/et_password_confirm"android:layout_width="match_parent"android:layout_height="50dp"android:hint="再次输入密码"android:textSize="18sp"android:layout_marginLeft="10dp"android:paddingLeft="5dp"android:inputType="numberPassword"android:background="@drawable/edit_text_bg"/></LinearLayout><Buttonandroid:id="@+id/btn_register"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="注册"android:textSize="25sp"android:background="@drawable/btn_bg_selector"android:layout_marginTop="20dp"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"/><CheckBoxandroid:id="@+id/rb_agree"android:layout_width="wrap_content"android:layout_height="wrap_content"android:textColor="@color/colorPrimary"android:text="同意用户协议？"android:layout_gravity="left"android:layout_marginLeft="20dp"android:layout_marginTop="10dp"/>
</LinearLayout>

package com.example.logintest;import androidx.appcompat.app.AppCompatActivity;import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.Toast;public class RegisterActivity extends AppCompatActivity implements View.OnClickListener {private Button btnRegister;private EditText etAccount,etPass,etPassConfirm;private CheckBox rbAgree;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_register);btnRegister = findViewById(R.id.btn_register);btnRegister.setOnClickListener(this);etAccount = findViewById(R.id.et_account);etAccount.setOnClickListener(this);etPass = findViewById(R.id.et_password);etPass.setOnClickListener(this);etPassConfirm = findViewById(R.id.et_password_confirm);etPassConfirm.setOnClickListener(this);rbAgree = findViewById(R.id.rb_agree);rbAgree.setOnClickListener(this);}@Overridepublic void onClick(View view) {String name = etAccount.getText().toString();String pass = etPass.getText().toString();String passConfirm = etPassConfirm.getText().toString();if (view.getId() == R.id.btn_register) {if (TextUtils.isEmpty(name)) {Toast.makeText(RegisterActivity.this, "用户名不能为空", Toast.LENGTH_LONG).show();return;}if (TextUtils.isEmpty(pass)) {Toast.makeText(RegisterActivity.this, "密码不能为空", Toast.LENGTH_LONG).show();return;}if (!TextUtils.equals(pass, passConfirm)) {Toast.makeText(RegisterActivity.this, "密码不一致", Toast.LENGTH_LONG).show();return;}if (!rbAgree.isChecked()) {Toast.makeText(RegisterActivity.this, "请同意用户协议", Toast.LENGTH_LONG).show();return;}SharedPreferences spf = getSharedPreferences("spfRecorid",MODE_PRIVATE);SharedPreferences.Editor edit = spf.edit();edit.putString("account",name);edit.putString("password",pass);Intent intent = new Intent();Bundle bundle = new Bundle();bundle.putString("account",name);bundle.putString("password",pass);intent.putExtras(bundle);setResult(0,intent);Toast.makeText(RegisterActivity.this, "注册成功", Toast.LENGTH_LONG).show();this.finish();}}
}

<?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"tools:context=".LoginActivity"android:orientation="vertical"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"android:layout_marginTop="40dp"android:gravity="center_vertical"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="账号:"android:textSize="25sp"/><EditTextandroid:id="@+id/et_account"android:layout_width="match_parent"android:layout_height="50dp"android:hint="请输入用户名或手机号"android:textSize="18sp"android:layout_marginLeft="10dp"android:paddingLeft="5dp"android:inputType="text"android:background="@drawable/edit_text_bg"/></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"android:layout_marginTop="40dp"android:gravity="center_vertical"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="密码:"android:textSize="25sp"/><EditTextandroid:id="@+id/et_password"android:layout_width="match_parent"android:layout_height="50dp"android:hint="请输入密码"android:textSize="18sp"android:layout_marginLeft="10dp"android:paddingLeft="5dp"android:inputType="numberPassword"android:background="@drawable/edit_text_bg"/></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"android:gravity="center"android:layout_marginTop="20dp"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"><CheckBoxandroid:id="@+id/cb_remember"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="记住密码"/><CheckBoxandroid:id="@+id/cb_auto_login"android:visibility="visible"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="自动登录"android:layout_marginLeft="40dp"/></LinearLayout><Buttonandroid:id="@+id/btn_Login"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="登录"style="@style/MyBtnStyle"android:layout_marginTop="20dp"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"/><TextViewandroid:id="@+id/to_register"android:layout_width="wrap_content"android:layout_height="wrap_content"android:textColor="@color/colorPrimary"android:text="还没有账号？"android:layout_gravity="right"android:layout_marginRight="20dp"android:layout_marginTop="10dp"/></LinearLayout>

package com.example.logintest;import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;public class LoginActivity extends AppCompatActivity implements View.OnClickListener, CompoundButton.OnCheckedChangeListener {public static final int REQUEST_CODE_REGISTER = 1;private Button btnLogin;private EditText etAccount,etPassword;private CheckBox cbRemember,cbAutoLogin;private TextView toRegister;private String userName = "admin";private String pass = "1234";@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_login);initView();initData();}@Overridepublic void onClick(View view) {if (view.getId() == R.id.btn_Login) {String account = etAccount.getText().toString();String passWord = etPassword.getText().toString();if (TextUtils.isEmpty(userName)){Toast.makeText(LoginActivity.this, "对不起，你还没注册账号！", Toast.LENGTH_LONG).show();return;}if (TextUtils.equals(account, userName)) {if (TextUtils.equals(passWord, pass)) {Toast.makeText(LoginActivity.this, "恭喜你，登陆成功!", Toast.LENGTH_LONG).show();if (cbRemember.isChecked()){SharedPreferences spf = getSharedPreferences("spfRecord",MODE_PRIVATE);SharedPreferences.Editor edit = spf.edit();edit.putString("account",account);edit.putString("password",passWord);edit.putBoolean("isRemember",true);if (cbAutoLogin.isChecked()){edit.putBoolean("isLogin",true);}else {edit.putBoolean("isLogin",false);}edit.apply();}else {SharedPreferences spf = getSharedPreferences("spfRecord",MODE_PRIVATE);SharedPreferences.Editor edit = spf.edit();edit.putBoolean("isRemember",false);edit.apply();}Intent intent = new Intent(LoginActivity.this, UserProfileActivity.class);intent.putExtra("account",account);startActivity(intent);LoginActivity.this.finish();} else {Toast.makeText(LoginActivity.this, "密码错误!", Toast.LENGTH_LONG).show();}} else {Toast.makeText(LoginActivity.this, "用户名错误！", Toast.LENGTH_LONG).show();}} else if (view.getId() == R.id.to_register) {Intent intent = new Intent(this, RegisterActivity.class);startActivityForResult(intent, REQUEST_CODE_REGISTER);}}@Overrideprotected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {super.onActivityResult(requestCode, resultCode, data);if (requestCode == REQUEST_CODE_REGISTER && resultCode == 0 && data!=null){Bundle extras = data.getExtras();String account = extras.getString("account", "");String password = extras.getString("password", "");etAccount.setText(account);etPassword.setText(password);userName = account;pass = password;}}private void initView(){btnLogin = findViewById(R.id.btn_Login);btnLogin.setOnClickListener(this);etAccount = findViewById(R.id.et_account);etAccount.setOnClickListener(this);etPassword = findViewById(R.id.et_password);etPassword.setOnClickListener(this);cbRemember = findViewById(R.id.cb_remember);cbRemember.setOnCheckedChangeListener(this::onCheckedChangedResult);cbAutoLogin = findViewById(R.id.cb_auto_login);cbAutoLogin.setOnCheckedChangeListener(this::onCheckedChanged);toRegister = findViewById(R.id.to_register);toRegister.setOnClickListener(this);}private void initData() {SharedPreferences spf = getSharedPreferences("spfRecord",MODE_PRIVATE);boolean isRemember = spf.getBoolean("isRemember",false);boolean isLogin = spf.getBoolean("isLogin",false);String account = spf.getString("account","");String password = spf.getString("password","");if (isLogin){Intent intent = new Intent(LoginActivity.this, UserProfileActivity.class);intent.putExtra("account",account);startActivity(intent);LoginActivity.this.finish();}userName = account;pass = password;if (isRemember){etAccount.setText(account);etPassword.setText(password);cbRemember.setChecked(true);}}@Overridepublic void onCheckedChanged(CompoundButton compoundButton, boolean b) {if (b){cbRemember.setChecked(true);}}public void onCheckedChangedResult(CompoundButton compoundButton, boolean b) {if (!b){cbAutoLogin.setChecked(false);}}
}

<?xml version="1.0" encoding="utf-8"?>
<ScrollView 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=".UserProfileActivity"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="250dp"android:background="@color/colorPrimary"><ImageViewandroid:id="@+id/iv_avatar"android:layout_width="100dp"android:layout_height="100dp"android:layout_centerInParent="true"android:src="@mipmap/ic_launcher" /><TextViewandroid:id="@+id/tv_nick_name"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_below="@id/iv_avatar"android:layout_centerHorizontal="true"android:layout_marginTop="5dp"android:text="admin"android:textColor="@color/white"android:textSize="14sp" /><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_below="@id/tv_nick_name"android:gravity="center"android:orientation="horizontal"><TextViewandroid:id="@+id/tv_gender"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_below="@id/iv_avatar"android:layout_centerHorizontal="true"android:layout_marginTop="5dp"android:text="男"android:textColor="@color/white"android:textSize="14sp" /><TextViewandroid:id="@+id/tv_age"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_below="@id/iv_avatar"android:layout_centerHorizontal="true"android:layout_marginLeft="5dp"android:layout_marginTop="5dp"android:text="21岁"android:textColor="@color/white"android:textSize="14sp" /><TextViewandroid:id="@+id/tv_city"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_below="@id/iv_avatar"android:layout_centerHorizontal="true"android:layout_marginLeft="5dp"android:layout_marginTop="5dp"android:text="北京"android:textColor="@color/white"android:textSize="14sp" /></LinearLayout></RelativeLayout><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="40dp"android:layout_marginTop="10dp"android:gravity="center_vertical"android:paddingLeft="10dp"><TextViewandroid:id="@+id/tv_account"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="账号"android:textSize="20sp" /><TextViewandroid:id="@+id/tv_account_text"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_alignBaseline="@+id/tv_account"android:layout_toRightOf="@id/tv_account"android:gravity="center"android:text="admin"android:textSize="20sp" /></RelativeLayout><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="40dp"android:layout_marginTop="10dp"android:gravity="center_vertical"android:paddingLeft="10dp"><TextViewandroid:id="@+id/tv_birth_time"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="出生时间"android:textSize="20sp" /><TextViewandroid:id="@+id/tv_birth_time_text"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_alignBaseline="@id/tv_birth_time"android:layout_toRightOf="@id/tv_birth_time"android:gravity="center"android:text="123234"android:textSize="20sp" /></RelativeLayout><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="40dp"android:layout_marginTop="10dp"android:gravity="center_vertical"android:paddingLeft="10dp"><TextViewandroid:id="@+id/tv_home"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="城市"android:textSize="20sp"tools:ignore="InvalidId" /><TextViewandroid:id="@+id/tv_home_text"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_alignBaseline="@id/tv_home"android:layout_toRightOf="@id/tv_home"android:gravity="center"android:text="北京"android:textSize="20sp" /></RelativeLayout><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="40dp"android:layout_marginTop="10dp"android:gravity="center_vertical"android:paddingLeft="10dp"><TextViewandroid:id="@+id/tv_school"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="学校"android:textSize="20sp"tools:ignore="InvalidId" /><TextViewandroid:id="@+id/tv_school_text"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_alignBaseline="@id/tv_school"android:layout_toRightOf="@id/tv_school"android:gravity="center"android:text="北京大学"android:textSize="20sp" /></RelativeLayout><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="40dp"android:layout_marginTop="10dp"android:gravity="center_vertical"android:paddingLeft="10dp"><TextViewandroid:id="@+id/tv_sign"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="个人签名"android:textSize="20sp"tools:ignore="InvalidId" /><TextViewandroid:id="@+id/tv_sign_text"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_alignBaseline="@id/tv_sign"android:layout_toRightOf="@id/tv_sign"android:gravity="center"android:text="这个人没有设置任何签名"android:textSize="14sp" /></RelativeLayout><Buttonandroid:id="@+id/btn_toEdit"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_margin="10dp"android:background="@drawable/btn_bg_selector"android:text="编辑资料" /><Buttonandroid:id="@+id/btn_logout"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_margin="10dp"android:background="@drawable/btn_bg_selector"android:text="退出登录" /></LinearLayout>
</ScrollView>

package com.example.logintest;import androidx.appcompat.app.AppCompatActivity;import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;public class UserProfileActivity extends AppCompatActivity implements View.OnClickListener {private TextView tvNickName,tvAccount,tvAge,tvGender,tvCity,tvHome,tvSchool,tvSign,tvBirthdayTime;private String birthDayTime;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_user_profile);Button btn_toEdit = findViewById(R.id.btn_toEdit);btn_toEdit.setOnClickListener(this);Button btn_logout = findViewById(R.id.btn_logout);btn_logout.setOnClickListener(this);initView();}@Overrideprotected void onResume() {super.onResume();initData();}private void initData() {getDataFromspf();}private void getDataFromspf() {SharedPreferences spfRecord = getSharedPreferences("spfRecord",MODE_PRIVATE);String account = spfRecord.getString("account","");String nick_name = spfRecord.getString("nick_name","");String city = spfRecord.getString("city","");String gender = spfRecord.getString("gender","");String school = spfRecord.getString("school","");String birth_day_time = spfRecord.getString("birth_day_time","");String sign = spfRecord.getString("sign","");String home = spfRecord.getString("home","");String age = getAgeByBirthDay(birthDayTime);tvAccount.setText(account);tvNickName.setText(nick_name);tvAge.setText(age);tvHome.setText(home);tvSchool.setText(school);tvSign.setText(sign);tvBirthdayTime.setText(birth_day_time);tvGender.setText(gender);tvCity.setText(city);}private String getAgeByBirthDay(String birthDayTime) {if (TextUtils.isEmpty(birthDayTime)){return "";}try {int index = birthDayTime.indexOf("年");String result = birthDayTime.substring(0,index);int parseInt = Integer.parseInt(result);return String.valueOf(2021-parseInt);}catch (Exception e){e.printStackTrace();}return "";}private void initView() {tvAccount = findViewById(R.id.tv_account_text);tvNickName = findViewById(R.id.tv_nick_name);tvAge = findViewById(R.id.tv_age);tvHome = findViewById(R.id.tv_home_text);tvSchool = findViewById(R.id.tv_school_text);tvSign = findViewById(R.id.tv_sign_text);tvBirthdayTime = findViewById(R.id.tv_birth_time_text);tvGender = findViewById(R.id.tv_gender);tvCity = findViewById(R.id.tv_city);}@Overridepublic void onClick(View view) {if (view.getId() == R.id.btn_toEdit){Intent intent = new Intent(this, EditProfileActivity.class);startActivity(intent);} else if (view.getId() == R.id.btn_logout) {SharedPreferences spf = getSharedPreferences("spfRecord",MODE_PRIVATE);SharedPreferences.Editor edit = spf.edit();edit.putBoolean("isLogin",false);edit.apply();Intent intent = new Intent(this, LoginActivity.class);startActivity(intent);this.finish();}}
}

<?xml version="1.0" encoding="utf-8"?>
<ScrollView 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=".EditProfileActivity"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="250dp"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_margin="10dp"android:text="更换头像"android:textSize="20sp" /><ImageViewandroid:id="@+id/iv_avatar"android:layout_width="100dp"android:layout_height="100dp"android:layout_centerInParent="true"android:src="@mipmap/ic_launcher" /><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_below="@+id/iv_avatar"android:layout_marginTop="5dp"android:gravity="center"android:orientation="horizontal"><Buttonandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:background="@drawable/btn_bg_selector"android:text="拍照" /><Buttonandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:background="@drawable/btn_bg_selector"android:text="相册" /></LinearLayout></RelativeLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:layout_marginTop="10dp"android:layout_marginRight="10dp"android:gravity="center_vertical"android:orientation="horizontal"><TextViewandroid:id="@+id/tv_account"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="账号:"android:textSize="25sp" /><EditTextandroid:id="@+id/et_account_text"android:layout_width="match_parent"android:layout_height="50dp"android:layout_marginLeft="10dp"android:background="@drawable/edit_text_bg"android:hint="请输入你的账号"android:paddingLeft="5dp"android:textSize="18sp" /></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:layout_marginTop="10dp"android:layout_marginRight="10dp"android:gravity="center_vertical"android:orientation="horizontal"><TextViewandroid:id="@+id/tv_nick_name"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="昵称:"android:textSize="25sp" /><EditTextandroid:id="@+id/et_nick_name_text"android:layout_width="match_parent"android:layout_height="50dp"android:layout_marginLeft="10dp"android:background="@drawable/edit_text_bg"android:hint="请输入你的账号"android:paddingLeft="5dp"android:textSize="18sp" /></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_margin="10dp"android:gravity="center_vertical"android:orientation="horizontal"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="性别"android:textSize="20sp"/><RadioGroupandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"android:gravity="center"><RadioButtonandroid:id="@+id/rb_boy"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="男"/><RadioButtonandroid:id="@+id/rb_girl"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="女"android:layout_marginLeft="10dp"/></RadioGroup></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:layout_marginTop="10dp"android:layout_marginRight="10dp"android:orientation="horizontal"><TextViewandroid:id="@+id/tv_birth_time"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="出生日期:"android:textSize="25sp" /><TextViewandroid:id="@+id/tv_birth_time_text"android:layout_width="match_parent"android:layout_height="40dp"android:layout_marginLeft="10dp"android:text="1998年3月23 15点25分"android:paddingLeft="5dp"android:textSize="18sp" /><ImageViewandroid:layout_width="20dp"android:layout_height="20dp"android:layout_gravity="center_vertical"android:src="@drawable/baseline_arrow_forward_24"android:layout_marginLeft="30dp"/></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:layout_marginTop="10dp"android:layout_marginRight="10dp"android:gravity="center_vertical"android:orientation="horizontal"><TextViewandroid:id="@+id/tv_home"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="城市:"android:textSize="25sp" /><androidx.appcompat.widget.AppCompatSpinnerandroid:id="@+id/sp_city"android:layout_width="match_parent"android:layout_height="50dp"android:layout_marginLeft="10dp"android:background="@drawable/edit_text_bg"android:entries="@array/cities"android:spinnerMode="dropdown"android:paddingLeft="5dp"android:textSize="18sp" /></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:layout_marginTop="10dp"android:layout_marginRight="10dp"android:gravity="center_vertical"android:orientation="horizontal"><TextViewandroid:id="@+id/tv_school"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="学校:"android:textSize="25sp" /><EditTextandroid:id="@+id/et_school_text"android:layout_width="match_parent"android:layout_height="50dp"android:layout_marginLeft="10dp"android:background="@drawable/edit_text_bg"android:hint="请输入你的学校"android:paddingLeft="5dp"android:textSize="18sp" /></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:layout_marginTop="10dp"android:layout_marginRight="10dp"android:gravity="center_vertical"android:orientation="vertical"><TextViewandroid:id="@+id/tv_sign"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="个人签名:"android:textSize="25sp" /><EditTextandroid:id="@+id/et_sign_text"android:layout_width="match_parent"android:layout_height="100dp"android:background="@drawable/edit_text_bg"android:hint="请设置你的个人签名"android:textSize="18sp" /></LinearLayout><Buttonandroid:id="@+id/btn_save"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_margin="10dp"android:background="@drawable/btn_bg_selector"android:text="保存" /></LinearLayout>
</ScrollView>

package com.example.logintest;import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.AppCompatSpinner;import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.TextView;
import android.widget.TimePicker;public class EditProfileActivity extends AppCompatActivity implements View.OnClickListener {private EditText etNickName,etAccount,etSchool,etSign;private  TextView tvBirthDayTime;private RadioButton rbBoy,rbGirl;private AppCompatSpinner spinnerCity;private String[] cities;private int selectedCityPosition;private String selectedCity;private String birthDay;private String birthDayTime;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_edit_profile);Button btn_save = findViewById(R.id.btn_save);btn_save.setOnClickListener(this);initView();initData();initEvent();}private void initView() {etAccount = findViewById(R.id.et_account_text);etNickName = findViewById(R.id.et_nick_name_text);etSchool = findViewById(R.id.et_school_text);etSign = findViewById(R.id.et_sign_text);tvBirthDayTime = findViewById(R.id.tv_birth_time_text);rbBoy = findViewById(R.id.rb_boy);rbGirl = findViewById(R.id.rb_girl);spinnerCity = findViewById(R.id.sp_city);}private void initData() {cities = getResources().getStringArray(R.array.cities);getDataFromspf();}private void getDataFromspf() {SharedPreferences spfRecord = getSharedPreferences("spfRecord",MODE_PRIVATE);String account = spfRecord.getString("account","");String nick_name = spfRecord.getString("nick_name","");String age = spfRecord.getString("age","");String city = spfRecord.getString("city","");String gender = spfRecord.getString("gender","");String school = spfRecord.getString("school","");String birth_day_time = spfRecord.getString("birth_day_time","");String sign = spfRecord.getString("sign","");String home = spfRecord.getString("home","");etAccount.setText(account);etNickName.setText(nick_name);etSchool.setText(age);etSign.setText(home);tvBirthDayTime.setText(birthDayTime);if (TextUtils.equals("男",gender)){rbBoy.setChecked(true);}if (TextUtils.equals("女",gender)){rbGirl.setChecked(true);}for (int i = 0; i < cities.length; i++) {if (TextUtils.equals(cities[i],city)){selectedCityPosition = i;break;}}spinnerCity.setSelection(selectedCityPosition);}private void initEvent() {spinnerCity.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {@Overridepublic void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {selectedCityPosition = i;selectedCity = cities[i];}@Overridepublic void onNothingSelected(AdapterView<?> adapterView) {}});tvBirthDayTime.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {new DatePickerDialog(EditProfileActivity.this, new DatePickerDialog.OnDateSetListener() {@Overridepublic void onDateSet(DatePicker datePicker, int i, int i1, int i2) {int realMonth = i1+1;birthDay = i+"年"+realMonth+"月"+i2+"日";popTimePick();}},2024,2,17).show();}});}private void popTimePick() {new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {@Overridepublic void onTimeSet(TimePicker timePicker, int i, int i1) {birthDayTime = birthDay+i+"时"+i1+"分";tvBirthDayTime.setText(birthDayTime);}},12,36,true).show();}@Overridepublic void onClick(View view) {if (view.getId() == R.id.btn_save){String account = etAccount.getText().toString();String sign = etSign.getText().toString();String school = etSchool.getText().toString();String nickName = etNickName.getText().toString();String gender = "男";if (rbBoy.isChecked()){gender = "男";}if (rbGirl.isChecked()){gender = "女";}SharedPreferences spfRecord = getSharedPreferences("spfRecord",MODE_PRIVATE);SharedPreferences.Editor editor = spfRecord.edit();editor.putString("account",account);editor.putString("sign",sign);editor.putString("school",school);editor.putString("nick_name",nickName);editor.putString("birth_day_time",birthDayTime);editor.putString("city",selectedCity);editor.putString("gender",gender);editor.apply();this.finish();}}
}