"Android Learning Notes" Custom Alertdialog dialog box

(1) Layout file:

<relativelayout xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:tools= "http// Schemas.android.com/tools "android:layout_width=" match_parent "android:layout_height=" Match_parent "Android:paddi ngbottom= "@dimen/activity_vertical_margin" android:paddingleft= "@dimen/activity_horizontal_margin" Android: paddingright= "@dimen/activity_horizontal_margin" android:paddingtop= "@dimen/activity_vertical_margin" tools: Context= ". Mainactivity "> <button android:id=" @+id/button1 "android:layout_width=" Wrap_content "Androi        d:layout_height= "Wrap_content" android:layout_alignparentleft= "true" android:layout_alignparenttop= "true" android:layout_marginleft= "70DP" android:layout_margintop= "62DP" android:text= "warning dialog box"/> <butt         On android:id= "@+id/button2" android:layout_width= "wrap_content" android:layout_height= "Wrap_content"     android:layout_alignleft= "@+id/button1"   android:layout_below= "@+id/button1" android:layout_margintop= "64DP" android:text= "Multiple selection Dialog"/> <But ton android:id= "@+id/button3" android:layout_width= "wrap_content" android:layout_height= "wrap_content "Android:layout_alignleft=" @+id/button2 "android:layout_below=" @+id/button2 "Android:layout_marginto p= "60DP" android:text= "Single-selection dialog box"/></relativelayout>

(2) Type of file:

Package Com.example.alertdialog;import Android.os.bundle;import Android.app.activity;import Android.app.alertdialog;import Android.app.alertdialog.builder;import Android.content.dialoginterface;import Android.view.menu;import Android.view.view;import Android.view.view.onclicklistener;import Android.widget.Button; Import android.widget.toast;/** * Warning dialog box using * * @author Piaodangdehun * */public class Mainactivity extends Activity {pri Vate button button1;//Warning Dialog Private button button2;//Multi-Select dialog box Private button button3;//Radio dialog Private Alertdialog.builder Bui Lder; dialog box for Button1, when there is a dialog box you can use the global definition @overrideprotected void onCreate (Bundle savedinstancestate) {super.oncreate ( Savedinstancestate); Setcontentview (r.layout.activity_main); button1 = (Button) This.findviewbyid (R.id.button1); Button2 = (Button) This.findviewbyid (r.id.button2) Button3 = (Button) This.findviewbyid (R.ID.BUTTON3);/* * 1. Warning dialog box Settings * /builder = new Alertdialog.builder (this); Builder.settitle ("cue box"); Builder.setmessage ("Are you sure you want to delete it?"). "); Builder.seticon (R.drawable.ic_launcher); Set Picture/* * OK dialog box */builder.setpositivebutton ("OK", new Dialoginterface.onclicklistener () {@Overridepublic void OnClick (dialoginterface dialog, int which) {Toast.maketext (mainactivity.this, "Confirm Delete", 1). Show ();}); * * Cancel dialog box */builder.setnegativebutton ("Cancel", new Dialoginterface.onclicklistener () {@Overridepublic void OnClick ( Dialoginterface dialog, int which) {Toast.maketext (mainactivity.this, "undelete", 1). Show ();}); * * Ignore dialog box */builder.setneutralbutton ("Ignore", new Dialoginterface.onclicklistener () {@Overridepublic void OnClick ( Dialoginterface dialog, int which) {Toast.maketext (mainactivity.this, "Ignore delete", 1). Show ();}); Button1.setonclicklistener (New Onclicklistener () {@Overridepublic void OnClick (View v) {builder.show ();}}); * * 2. Multi-Select dialog box * When there are multiple dialogs, no declaration definition */button2.setonclicklistener (new Onclicklistener () {@Overridepublic void OnClick (View v) The {/* * dialog box was created */alertdialog.builder Builder = new Alertdialog.builder (mainactivity.this); Builder.settiTle ("Please choose Hobby"), final string[] hobby = {"Internet", "Play Game", "Chat"};/* * Selected list */builder.setmultichoiceitems (Hobby, new boolean[] { True, False,false},new Dialoginterface.onmultichoiceclicklistener () {@Overridepublic void OnClick (dialoginterface Dialog,int which, Boolean isChecked) {if (isChecked) {Toast.maketext (mainactivity.this, "-->>" + Hobby[which], 1). Show ();}}); * * Cancel button */builder.setpositivebutton ("OK", new Dialoginterface.onclicklistener () {@Overridepublic void OnClick ( Dialoginterface dialog,int which) {}}); Builder.setnegativebutton ("Cancel", new Dialoginterface.onclicklistener () {@ overridepublic void OnClick (Dialoginterface dialog,int which) {}}); Builder.show ();}}); * * 3. Set */button3.setonclicklistener (new Onclicklistener () {@Overridepublic void OnClick (View v) {//TODO Auto-gen) of the Radio dialog box Erated method Stubalertdialog.builder Builder = new Alertdialog.builder (mainactivity.this); Builder.settitle ("XX"); Builder.setsinglechoiceitems (New string[]{"surfing", "Playing games", "chatting"},-1, new Dialoginterface.oncLicklistener () {@Overridepublic void OnClick (dialoginterface dialog, int which) {}}), Builder.setpositivebutton ("OK", New Dialoginterface.onclicklistener () {@Overridepublic void OnClick (dialoginterface dialog, int which) {}}); Builder.setnegativebutton ("Cancel", new Dialoginterface.onclicklistener () {@Overridepublic void OnClick (dialoginterface dialog, int which) {}}); Builder.show ();}}); /* Private final View.onclicklistener Mylistenerclicklistener = new * Onclicklistener () {* * @Override public void OnC Lick (View v) {//TODO auto-generated method * stub *}}; */@Overridepublic Boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu; This adds items to the action bar if it is Present.getmenuinflater (). Inflate (R.menu.main, menu); return true;}}

(3) Results show

"Android Learning Notes" Custom Alertdialog dialog box