java介面

 1 packagecom.example.myapplication;
 2 
 3 importandroidx.appcompat.app.AppCompatActivity;
 4 
 5 importandroid.os.Bundle;
 6 importandroid.widget.RadioButton;
 7 importandroid.widget.RadioGroup;
 8 importandroid.widget.Toast;
 9 
10 publicclassRadioActivityextendsAppCompatActivity {
11 private
 
RadioGroup mRg1;
12 @Override
13 protectedvoidonCreate(Bundle savedInstanceState) {
14 super.onCreate(savedInstanceState);
15 setContentView(R.layout.zhuce);
16 mRg1 = findViewById(R.id.Rad1);
17 mRg1.setOnCheckedChangeListener(newRadioGroup.OnCheckedChangeListener() {
18 @Override
19 publicvoidonCheckedChanged(RadioGroup radioGroup,int
 
i) {
20 RadioButton radioButton= radioGroup.findViewById(i);
21 Toast.makeText(RadioActivity.this,radioButton.getText(),Toast.LENGTH_SHORT).show();
22 }
23 });
24 }
25 }

xml

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3
 
     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:padding="10dp">
 6     <TextView
 7         android:id="@+id/text1"
 8         android:layout_width="600dp"
 9         android:layout_height="38dp"
10         android:text="請選擇你的性別為:"
11         android:textSize="32dp"
12         android:textColor="#000000"/>
13     <RadioGroup
14         android:id="@+id/Rad1"
15         android:orientation="horizontal"
16         android:layout_below="@id/text1"
17         android:layout_width="wrap_content"
18         android:layout_height="32dp">
19         <RadioButton
20             android:layout_width="wrap_content"
21             android:layout_height="wrap_content"
22             android:layout_marginLeft="50dp"
23             android:textSize="20dp"
24             android:text="男"/>
25         <RadioButton
26             android:layout_width="wrap_content"
27             android:layout_height="wrap_content"
28             android:layout_marginLeft="80dp"
29             android:textSize="20dp"
30             android:text="女"/>
31     </RadioGroup>
32     <EditText
33         android:layout_marginTop="40dp"
34         android:id="@+id/Edi1"
35         android:layout_below="@id/Rad1"
36         android:layout_width="match_parent"
37         android:layout_height="wrap_content"
38         android:drawableLeft="@drawable/bianjiziliao"
39         android:hint="請輸入使用者名稱:"
40         android:background="@drawable/button_zhuce"
41         android:maxLines="1" />
42     <EditText
43         android:id="@+id/Edi2"
44         android:layout_below="@id/Edi1"
45         android:layout_width="match_parent"
46         android:layout_height="wrap_content"
47         android:hint="請輸入手機號:"
48         android:drawableLeft="@drawable/shouji"
49         android:background="@drawable/button_zhuce"
50         android:maxLines="1" />
51     <EditText
52     android:id="@+id/Edi3"
53     android:layout_below="@id/Edi2"
54     android:layout_width="match_parent"
55     android:layout_height="wrap_content"
56     android:hint="請輸入郵箱:"
57         android:drawableLeft="@drawable/youxiang"
58         android:background="@drawable/button_zhuce"
59     android:maxLines="1" />
60     <EditText
61         android:id="@+id/Edi4"
62         android:layout_below="@id/Edi3"
63         android:layout_width="match_parent"
64         android:layout_height="wrap_content"
65         android:background="@drawable/button_zhuce"
66         android:hint="請輸入密碼:"
67         android:drawableLeft="@drawable/mima"
68         android:maxLines="1" />
69     <EditText
70         android:id="@+id/Edi5"
71         android:layout_below="@id/Edi4"
72         android:layout_width="match_parent"
73         android:layout_height="wrap_content"
74         android:background="@drawable/button_zhuce"
75         android:hint="再次驗證密碼:"
76         android:drawableLeft="@drawable/mima"
77         android:maxLines="1" />
78     <TextView
79         android:layout_marginTop="30dp"
80         android:layout_below="@id/Edi5"
81         android:layout_width="match_parent"
82         android:layout_height="wrap_content"
83         android:text="點選[註冊]按鈕即代表同意《老吳克註冊協議》"
84         android:gravity="center"
85         android:textColor="#ff9900"/>
86     <Button
87         android:layout_marginTop="60dp"
88         android:layout_below="@id/Edi5"
89         android:layout_width="match_parent"
90         android:layout_height="50dp"
91         android:textColor="#ffffff"
92         android:background="@drawable/bg_btn4"
93         android:text="註冊"
94         android:textSize="20dp"/>
95 
96 
97 </RelativeLay>