安卓 -登陆界面

<?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=".MainActivity">

    <ImageView
        android:id="@+id/iv"

        android:layout_width="90dp"
        android:layout_height="99dp"
        android:layout_margin="15dp"
        android:background="@drawable/a1"
        />




    <TextView
        android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="90dp"
        android:background="	#90EE90"
        android:enabled="true"
        android:gravity="center"
        android:text="智慧校园注册系统"
        android:textColor="#00688B"
        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/学号："
                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/boy"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="男" />

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

                <CheckBox
                    android:id="@+id/basketball"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="通信工程"/>
            </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="机器人工程"/>

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

    <Button
        android:id="@+id/button"
        android:layout_width="166dp"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:background="#FFE4E1"
        android:text="注册"
        android:textAllCaps="false"
        android:textColor="#252523"
        android:textStyle="bold" />

</LinearLayout>

　　

package com.example.aaaapps;

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.aaaapps.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




        //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);
            }
        }
    }
}