01.package com.myapp;
02.
03.import android.os.Bundle;
04.import android.app.Activity;
05.import android.view.Menu;
06.import android.view.View;
07.import android.app.AlertDialog;
08.import android.widget.CheckBox;
09.import android.widget.Button;
10.
11.public class MainActivity extends Activity {
12.
13. @Override
14. public void onCreate(Bundle savedInstanceState) {
15. super.onCreate(savedInstanceState);
16. setContentView(R.layout.activity_main);
17.
18. final AlertDialog.Builder adb = new AlertDialog.Builder(this);
19.
20.
21. final CheckBox chkBox1 = (CheckBox)findViewById(R.id.checkBox1);
22.
23. final Button btn1 = (Button)findViewById(R.id.button1);
24. btn1.setOnClickListener(new View.OnClickListener() {
25. public void onClick(View v) {
26.
27. AlertDialog ad = adb.create();
28. if(chkBox1.isChecked() == true)
29. {
30. ad.setMessage("Current is Checked");
31. ad.show();
32. }
33. else
34. {
35. ad.setMessage("Current is Un Checked");
36. ad.show();
37. }
38.
39. }
40. });
41.
42. }
43.
44.
45. @Override
46. public boolean onCreateOptionsMenu(Menu menu) {
47. getMenuInflater().inflate(R.menu.activity_main, menu);
48. return true;
49. }
50.
51.}
ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน 
