How to use code to analyze lists, singles, and multiple selections in Dialog
Today, I will talk to you about how to use code to analyze the list, single selection, and multi-selection in Dialog. Many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.
XML layout
Java code
Public class MainActivity extends Activity {
Private String [] items = new String [] {"Mr. Li", "Mr. Wang", "Mr. Cheng"}
Private boolean [] checked = new boolean [] {true,false,true}
@ Override
Protected void onCreate (Bundle savedInstanceState) {
Super.onCreate (savedInstanceState)
SetContentView (R.layout.activity_main)
}
Public void click (View v) {
/ / create a container
AlertDialog.Builder builder = new Builder (MainActivity.this)
/ * *
* list
, /
/ * builder.setItems (items, new OnClickListener () {
@ Override
Public void onClick (DialogInterface dialog, int which) {
Toast.makeText (getApplicationContext (), items [which], 1000) .show ()
}
}); * /
/ * *
* single selection
, /
Builder.setSingleChoiceItems (items, 2, new OnClickListener () {
@ Override
Public void onClick (DialogInterface dialog, int which) {
Toast.makeText (getApplicationContext (), items [which], 2000) .show ()
Dialog.dismiss ()
}
});
/ * *
* multiple selection
, /
/ * builder.setMultiChoiceItems (items, checked, new OnMultiChoiceClickListener () {
@ Override
Public void onClick (DialogInterface dialog, int which, boolean isChecked) {
Toast.makeText (getApplicationContext (), items [which], 2000) .show ()
Dialog.dismiss ()
}
}); * /
/ / create a Dialog
AlertDialog dialog = builder.create ()
/ / display dialog box
Dialog.show ()
}
}
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