安卓注册登录

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.login1">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".secondActivity"/>
    </application>

</manifest>

package com.example.login1;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.os.Parcelable;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;

import com.example.login1.R;

public class MainActivity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener {

    private String hobbys;
    final Intent intent = new Intent();
    private EditText name;
    private EditText password;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        name = (EditText)findViewById(R.id.etname);
        password = (EditText)findViewById(R.id.etpass);
        RadioGroup  rg = (RadioGroup)findViewById(R.id.rg);
        CheckBox print = (CheckBox)findViewById(R.id.print);
        CheckBox basketball = (CheckBox)findViewById(R.id.basketball);
        CheckBox sing = (CheckBox)findViewById(R.id.sing);
        CheckBox dance = (CheckBox)findViewById(R.id.dance);
        hobbys = new String();

        //设置跳转到的Activity
        intent.setClass(MainActivity.this,secondActivity.class);



        //为RadioGroup设置监听
        rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int i) {
                if (i == R.id.girl){
                    intent.putExtra("gender", "女");
                }else if (i == R.id.boy){
                    intent.putExtra("gender", "男");
                }
            }
        });

        //为CheckBox设置监听
        print.setOnCheckedChangeListener(this);
        basketball.setOnCheckedChangeListener(this);
        sing.setOnCheckedChangeListener(this);
        dance.setOnCheckedChangeListener(this);


        //为 Button设置监听
        Button button = (Button)findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Bundle bundle = new Bundle();
                bundle.putString("name",name.getText().toString());
                bundle.putString("password",password.getText().toString());
                intent.putExtras(bundle);
                startActivity(intent);

            }
        });
    }

    @Override
    public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
        String motion = compoundButton.getText().toString();
        if (b){
            if(!hobbys.contains(motion)){
                hobbys = hobbys + motion;
                intent.putExtra("hobbys", hobbys);
            }
        }else{
            if (hobbys.contains(motion)){
                hobbys = hobbys.replace(motion,"");
                intent.putExtra("hobbys", hobbys);
            }
        }
    }
}

package com.example.login1;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.EditText;
import android.widget.TextView;

import com.example.login1.R;

public class secondActivity extends Activity {

    public void startActivity(Intent intent){

    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.news);
        TextView show_name = (TextView)findViewById(R.id.show_name);
        TextView show_pass =(TextView)findViewById(R.id.show_pass);
        TextView show_gender = (TextView)findViewById(R.id.show_gender);
        TextView show_hobby =(TextView)findViewById(R.id.show_hobby);
        Intent intent = getIntent();
        Bundle bundle = getIntent().getExtras();
        show_name.setText(bundle.getString("name"));
        show_pass.setText(bundle.getString("password"));
        show_gender.setText(intent.getStringExtra("gender"));
        show_hobby.setText(intent.getStringExtra("hobbys"));

    }

    public void 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"
    android:background="#F5F4F4"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:background="#00BCD4"
        android:enabled="true"
        android:gravity="center"
        android:text="注册界面"
        android:textColor="#FF5722"
        android:textSize="30sp" />

    <TableLayout
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:gravity="center">

        <TableRow
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center">

            <TextView
                android:id="@+id/name"
                android:layout_width="wrap_content"
                android:layout_height="30dp"
                android:enabled="true"
                android:text="用户名："
                android:textSize="20sp"
                android:textStyle="bold" />

            <EditText
                android:id="@+id/etname"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:ems="10"
                android:inputType="textPersonName" />
        </TableRow>

        <TableRow
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center">

            <TextView
                android:id="@+id/password"
                android:layout_width="wrap_content"
                android:layout_height="30dp"
                android:enabled="true"
                android:text="密码："
                android:textSize="20sp"
                android:textStyle="bold" />

            <EditText
                android:id="@+id/etpass"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:ems="10"
                android:inputType="numberPassword" />

        </TableRow>
    </TableLayout>

    <TableLayout
        android:layout_width="match_parent"
        android:layout_height="150dp"
        android:gravity="center">

        <TableRow
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:enabled="true"
                android:text="性别："
                android:textSize="20sp"
                android:textStyle="bold" />

            <RadioGroup
                android:id="@+id/rg"
                android:layout_width="220dp"
                android:layout_height="wrap_content"
                android:orientation="horizontal">

                <RadioButton
                    android:id="@+id/girl"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="女" />

                <RadioButton
                    android:id="@+id/boy"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="男" />
            </RadioGroup>
        </TableRow>

        <TableRow
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:gravity="center">

            <TextView
                android:id="@+id/textView7"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:enabled="true"
                android:text="爱好："
                android:textSize="20sp"
                android:textStyle="bold" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="horizontal">

                <CheckBox
                    android:id="@+id/print"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="绘画" />

                <CheckBox
                    android:id="@+id/basketball"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="打篮球" />
            </LinearLayout>

        </TableRow>

        <TableRow
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center">

            <TextView
                android:id="@+id/textView8"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20sp" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="horizontal">

                <CheckBox
                    android:id="@+id/sing"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="唱歌" />

                <CheckBox
                    android:id="@+id/dance"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="跳舞" />
            </LinearLayout>
        </TableRow>
    </TableLayout>

    <Button
        android:id="@+id/button"
        android:layout_width="100dp"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:background="#00BCD4"
        android:text="注册"
        android:textAllCaps="false"
        android:textColor="#252523"
        android:textStyle="bold" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:id="@+id/textView2"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:background="#00BCD4"
        android:gravity="center"
        android:text="注册信息"
        android:textColor="#FF5722"
        android:textSize="25sp" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_margin="25dp"
        android:gravity="center"
        android:orientation="vertical">

        <TextView
            android:id="@+id/textView3"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="你的注册信息是："
            android:textSize="20sp" />

        <TableLayout
            android:layout_width="match_parent"
            android:layout_height="400dp">

            <TableRow
                android:layout_width="match_parent"
                android:layout_height="match_parent">

                <TextView
                    android:id="@+id/textView4"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="用户名："
                    android:textSize="20sp" />

                <TextView
                    android:id="@+id/show_name"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />
            </TableRow>

            <TableRow
                android:layout_width="match_parent"
                android:layout_height="match_parent">

                <TextView
                    android:id="@+id/textView9"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="密码："
                    android:textSize="20sp" />

                <TextView
                    android:id="@+id/show_pass"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />
            </TableRow>

            <TableRow
                android:layout_width="match_parent"
                android:layout_height="match_parent">

                <TextView
                    android:id="@+id/textView11"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="性别："
                    android:textSize="20sp" />

                <TextView
                    android:id="@+id/show_gender"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />
            </TableRow>

            <TableRow
                android:layout_width="match_parent"
                android:layout_height="match_parent">

                <TextView
                    android:id="@+id/textView13"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="爱好："
                    android:textSize="20sp" />

                <TextView
                    android:id="@+id/show_hobby"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />
            </TableRow>
        </TableLayout>
    </LinearLayout>
</LinearLayout>