安卓第四次作业
<?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); } } } }