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    <p>You should be using an <code>onCheckedChangeListener</code> to properly listen for <code>CheckBox</code> changes. </p> <p>I rewrote your activity to implement these and properly set the <code>onClick</code> of your button.. Remove the onClick declarations in your XML file</p> <pre><code>public class MainActivity extends Activity implements OnCheckedChangeListener { private CheckBox chkAndroid, chkIphone, chkWindows; private Button button; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); chkAndroid = (CheckBox) findViewById(R.id.checkBox_android); chkAndroid.setOnCheckedChangeListener(this); chkIphone = (CheckBox) findViewById(R.id.checkBox_ios); chkIphone.setOnCheckedChangeListener(this); chkWindows = (CheckBox) findViewById(R.id.checkBox_windows); chkWindows.setOnCheckedChangeListener(this); button = (Button) findViewById(R.id.button1); button.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub StringBuffer string = new StringBuffer(); string.append("Iphone checked: ").append(chkIphone.isChecked()); string.append("\nAndroid checked: ").append(chkAndroid.isChecked()); string.append("\nWindows checked: ").append(chkWindows.isChecked()); Toast.makeText(getApplicationContext(), string.toString(), Toast.LENGTH_SHORT).show(); } }); } @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if (buttonView == chkAndroid) { // do whatever.. you aren't doing anything currently } else if (buttonView == chkIphone &amp;&amp; isChecked) { displaySuggestion(); } else if (buttonView == chkWindows &amp;&amp; isChecked) { displaySuggestion(); } } private void displaySuggestion() { Toast.makeText(getApplicationContext(), "Try android", Toast.LENGTH_SHORT).show(); } } </code></pre>
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    1. USdymmeh
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    1. COThanks to dymmeh. It is perfectly working fine here....
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      1. USSudipta Deb
 

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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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