คำอธิบายดูที่ Kotlin
activity_main.xml
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<?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"> <LinearLayout android:id="@+id/linearLayout" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> </LinearLayout> </LinearLayout> |
MainActivity.java
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package com.phaisarns.myapplication; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.LinearLayout; import android.widget.RadioButton; import android.widget.RadioGroup; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); String[] options = {"Mango", "Papaya", "Orange", "Apple"}; // create a radio group RadioGroup radioGroup = new RadioGroup(this); radioGroup.setOrientation(RadioGroup.VERTICAL); for (int i = 0; i < options.length; i++) { // create a radio button RadioButton radioButton = new RadioButton(this); // set text for the radio button radioButton.setText(options[i]); // assign an automatically generated id to the radio button radioButton.setId(View.generateViewId()); // add radio button to the radio group radioGroup.addView(radioButton); } // add radio group to the linear layout LinearLayout linearLayout = findViewById(R.id.linearLayout); linearLayout.addView(radioGroup); } } |
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