protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_registration_form);
Button bt1=(Button)findViewById(R.id.btnRegister);
final Dialog dialog = new Dialog(RegistrationForm.this);
dialog.setContentView(R.layout.terms);
final Button bt2=(Button)dialog.findViewById(R.id.proceed);

final RadioButton rb1 =(RadioButton)dialog.findViewById(R.id.Accept);
final RadioButton rb2 =(RadioButton)dialog.findViewById(R.id.Decline);
bt1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{










rb2.isChecked();
dialog.show();

bt2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(rb1.isChecked()){
Toast.makeText(getApplicationContext(),"You clicked acept",Toast.LENGTH_LONG).show();
}
else {
Toast.makeText(getApplicationContext(),"you clicked reject",Toast.LENGTH_LONG).show();
}
}
});

}
});


}

<ScrollView
android:layout_width="match_parent"
android:layout_height="350dp"

>



<LinearLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:orientation="horizontal"
>

<RadioGroup
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="1">
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/Accept"
android:text="Accept"
android:clickable="true"
android:textSize="20sp"
android:onClick="SelectOption"
/>
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/Decline"
android:clickable="true"
android:text="Decline"
android:textSize="20sp"
android:drawablePadding="20dp"
android:layout_marginRight="90dp"
android:onClick="SelectOption"
android:checked="false" />
</RadioGroup>
</LinearLayout>

<Button
android:layout_width=
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<ScrollView
android:layout_width="match_parent"
android:layout_height="350dp"

>

</ScrollView>


<LinearLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:orientation="horizontal"
>

<RadioGroup
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="1">
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/Accept"
android:text="Accept"
android:clickable="true"
android:textSize="20sp"
android:onClick="SelectOption"
/>
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/Decline"
android:clickable="true"
android:text="Decline"
android:textSize="20sp"
android:drawablePadding="20dp"
android:layout_marginRight="90dp"
android:onClick="SelectOption"
android:checked="false" />
</RadioGroup>
</LinearLayout>

<Button
android:layout_width=