Custom RadioButton

Android Custom RadioButton

Rather than default user interface of android RadioButton, we can also implement a custom radio button. Custom RadioButton makes user interface more attractive.

Example of Custom RadioButton

Let's see an example of custom RadioButton.

activity_main.xml

File: activity_main.xml

1. <?xml version="1.0" encoding="utf-8"?>  
2. <LinearLayout  
3.     xmlns:android="http://schemas.android.com/apk/res/android"  
4.     xmlns:tools="http://schemas.android.com/tools"  
5.     android:layout_width="match_parent"  
6.     android:layout_height="match_parent"  
7.     android:paddingBottom="@dimen/activity_vertical_margin"  
8.     android:paddingLeft="@dimen/activity_horizontal_margin"  
9.     android:paddingRight="@dimen/activity_horizontal_margin"  
10.     android:paddingTop="@dimen/activity_vertical_margin"  
11.     android:orientation="vertical"  
12.     tools:context="com.example.test.customradiobutton.MainActivity">  
13.   
14.   
15.   
16.     <TextView  
17.         android:id="@+id/tv"  
18.         android:layout_width="fill_parent"  
19.         android:layout_height="wrap_content"  
20.         android:layout_marginTop="30dp"  
21.         android:gravity="center_horizontal"  
22.         android:textSize="25dp"  
23.         android:text="Customized Radio Buttons" />  
24.   
25.   
26.     <!--   Customized RadioButtons  -->  
27.   
28.   
29.     <RadioGroup  
30.         android:layout_width="wrap_content"  
31.         android:layout_height="wrap_content"  
32.         android:id="@+id/radioGroup">  
33.   
34.         <RadioButton  
35.             android:id="@+id/radioMale"  
36.             android:layout_width="fill_parent"  
37.             android:layout_height="wrap_content"  
38.             android:text="  Male"  
39.             android:layout_marginTop="10dp"  
40.             android:checked="false"  
41.             android:button="@drawable/custom_radio_button"  
42.             android:textSize="20dp" />  
43.   
44.         <RadioButton  
45.             android:id="@+id/radioFemale"  
46.             android:layout_width="fill_parent"  
47.             android:layout_height="wrap_content"  
48.             android:text="   Female"  
49.             android:layout_marginTop="20dp"  
50.             android:checked="false"  
51.             android:button="@drawable/custom_radio_button"  
52.             android:textSize="20dp" />  
53.     </RadioGroup>  
54.   
55.     <Button  
56.         android:layout_width="wrap_content"  
57.         android:layout_height="wrap_content"  
58.         android:text="Show Selected"  
59.         android:id="@+id/button"  
60.         android:onClick="onclickbuttonMethod"  
61.         android:layout_gravity="center_horizontal" />  
62.   
63. </LinearLayout>  

custom_radio_button.xml

Now implement a selector in another file (custom_radio_button.xml) in drawable and place two different checked and unchecked button images.

File: checkbox.xml

1. <?xml version="1.0" encoding="utf-8"?>  
2.   
3. <selector xmlns:android="http://schemas.android.com/apk/res/android">  
4.   
5.     <item android:state_checked="true" android:drawable="@drawable/checkedradiobutton" />  
6.     <item android:state_checked="false" android:drawable="@drawable/unchekedradiobutton" />  
7.   
8. </selector>  

Activity class

File: MainActivity.java

1. package com.example.test.customradiobutton;  
2.   
3. import android.support.v7.app.AppCompatActivity;  
4. import android.os.Bundle;  
5. import android.view.View;  
6. import android.widget.Button;  
7. import android.widget.RadioButton;  
8. import android.widget.RadioGroup;  
9. import android.widget.Toast;  
10.   
11. public class MainActivity extends AppCompatActivity {  
12.     Button button;  
13.     RadioButton genderradioButton;  
14.     RadioGroup radioGroup;  
15.     @Override  
16.     protected void onCreate(Bundle savedInstanceState) {  
17.         super.onCreate(savedInstanceState);  
18.         setContentView(R.layout.activity_main);  
19.   
20.         radioGroup=(RadioGroup)findViewById(R.id.radioGroup);  
21.     }  
22.   
23.   
24.     public void onclickbuttonMethod(View v){  
25.         int selectedId = radioGroup.getCheckedRadioButtonId();  
26.         genderradioButton = (RadioButton) findViewById(selectedId);  
27.         if(selectedId==-1){  
28.             Toast.makeText(MainActivity.this,"Nothing selected", Toast.LENGTH_SHORT).show();  
29.         }  
30.         else{  
31.             Toast.makeText(MainActivity.this,genderradioButton.getText(), Toast.LENGTH_SHORT).show();  
32.         }  
33.   
34.     }  
35. }  

Output