Android Alertdialog A variety of dialog box usage examples _android

Target effect:

program run, show a few buttons of figure one, click on the button to show figure two to figure Six dialog box, click on a dialog box or button, will also show the corresponding toast output.

The 1.activity_main.xml page holds five buttons.

Activity_main.xml page:

<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 "Tools:context" =". Mainactivity "> <button android:id=" @+id/btnsure "android:layout_width=" Match_parent "android:layout_height=" 
Wrap_content "android:layout_margintop=" 10DP "android:text=" confirmation Dialog "/> <button android:id=" @+id/btnRadio " Android:layout_width= "Match_parent" android:layout_height= "wrap_content" android:layout_margintop= "60DP" Android: text= "/> <button android:id= @+id/btncheck" android:layout_width= "Radio dialog box" Match_parent 
"Wrap_content" android:layout_margintop= "110DP" android:text= "Multiple selection Dialog"/> <button android:id= "@+id/btnList" Android:layout_width= "Match_parent" android:layout_height= "wrap_content" android:layout_margintop= "160DP" Android : text= List Dialog "/> <button android:id=" @+id/btnmy "Android:layout_width=" MaTch_parent "android:layout_height=" wrap_content android:layout_margintop= "210DP" android:text= "Custom Dialog"/> </  Relativelayout>

2. Create a new Dialog.xml page as the layout page for the last custom dialog box.

Dialog.xml page:

<?xml version= "1.0" encoding= "Utf-8"?> <linearlayout xmlns:android= "http://schemas.android.com/apk/res/" Android "Android:layout_width=" Wrap_content "android:layout_height=" wrap_content "android:orientation=" vertical " > <linearlayout android:layout_width= "match_parent" android:layout_height= "Wrap_content" android:orientation = "Horizontal" > <edittext android:id= "@+id/edinput" android:layout_width= "Wrap_content" android:layout_height = "Wrap_content" android:layout_weight= "2" > <requestfocus/> </EditText> <button android:id= "@+id/b Tnok "android:layout_width=" wrap_content "android:layout_height=" Wrap_content "android:layout_weight=" 1 "android: 
text= "OK"/> </LinearLayout> <imageview android:id= "@+id/ivpicture" android:layout_width= "Wrap_content" android:layout_height= "280DP" android:src= "@drawable/white"/> <textview android:id= "@+id/textview1" Android: layout_gravity= "center" android:layout_width= "Wrap_coNtent "android:layout_height=" wrap_content "android:text=" TextView "/> </LinearLayout>  

3.mainactivity.java page Processing dialog box pop-up and click events.

Mainactivity.java page:

Package com.example.alertdialog; 
Import Android.os.Bundle; 
Import android.app.Activity; 
Import Android.app.AlertDialog; 
Import Android.content.DialogInterface; 
Import Android.view.LayoutInflater; 
Import Android.view.Menu; 
Import Android.view.View; 
Import Android.view.View.OnClickListener; 
Import Android.widget.Button; 
Import Android.widget.Toast; public class Mainactivity extends activity implements Onclicklistener {private Button btnsure,btnradio,btncheck,btnlist 
, btnmy; Private string[] sexlist={"male", "female"};//list private string[] likelist={"basketball", "football", "Play games", "Listen to Music", "See movie"};//Multiple selection list private String[] itemlist={"project manager", "plan", "Test", "Art", "Programmer"};//list @Override protected void OnCreate (Bundle savedinstancestate) {su 
Per.oncreate (savedinstancestate); 
Setcontentview (R.layout.activity_main); GetId ()///Get control ID Click ()//button binding fixed-point hit event}/* Get control id*/private void GetId () {btnsure = (Button) Findviewbyid (r.id.btnsure) 
; 
btnradio= (Button) Findviewbyid (R.id.btnradio); btncheck= (Button) FindviEwbyid (R.id.btncheck); 
Btnlist= (Button) Findviewbyid (r.id.btnlist); 
Btnmy= (Button) Findviewbyid (r.id.btnmy); 
/* button-binding fixed-point hit Event/private void Click () {Btnsure.setonclicklistener (this); 
Btnradio.setonclicklistener (this); 
Btncheck.setonclicklistener (this); 
Btnlist.setonclicklistener (this); 
Btnmy.setonclicklistener (this); 
@Override public boolean Oncreateoptionsmenu (Menu menu) {getmenuinflater (). Inflate (R.menu.main, menu); 
return true;  
@Override public void OnClick (view view) {switch (View.getid ()) {case r.id.btnsure:showdialog1 ();//confirmation dialog box break; 
Case R.ID.BTNRADIO:SHOWDIALOG2 ();//Radio dialog box break; 
Case R.id.btncheck:showdialog3 ();//Multiple-selection dialog box break; 
Case R.id.btnlist:showdialog4 (); 
Break 
Case R.id.btnmy:showdialog5 (); 
Break 
}/* The confirmation dialog box */private void ShowDialog1 () {Alertdialog.builder builder=new alertdialog.builder (this); Builder.settitle ("Confirmation Dialog");//Set the title Builder.seticon (r.drawable.ic_launcher);//Set icon Builder.setmessage ("confirmation dialog box prompt content") ;//Set content/* Add todialog box to determine the button and click event/Builder.setpositivebutton ("OK", new Dialoginterface.onclicklistener () {@Override public void OnClick ( 
Dialoginterface arg0, int arg1) {toast.maketext (Mainactivity.this, "Click OK button", Toast.length_short). Show (); 
} 
}); /* Add dialog box Cancel button and click event * * Builder.setnegativebutton ("Cancel", new Dialoginterface.onclicklistener () {@Override public void 
OnClick (dialoginterface arg0, int arg1) {toast.maketext (Mainactivity.this, "Click the Cancel button", Toast.length_short). Show (); 
} 
}); Alertdialog dialog=builder.create ()//Get Dialog Dialog.show ()//Display dialog box}/* Radio dialog box * * private void ShowDialog2 () {ALERTDI Alog. 
Builder builder=new Alertdialog.builder (this); Builder.settitle ("gender");/set caption Builder.seticon (r.drawable.ic_launcher);//Set icon//Parameter a single select list text, parameter two is selected by default (-1 is not selected by default), Parameter three is create Listener/builder.setsinglechoiceitems (sexlist,-1,new Dialoginterface.onclicklistener () {@Override public void 
OnClick (dialoginterface dialog, int which) {String Sex=sexlist[which]; Toast.maketext (Mainactivity.this, "This man has sex for" +sex, TOast. 
Length_short). Show (); 
} 
}); /* Add dialog box Cancel button click event/Builder.setnegativebutton ("Cancel", new Dialoginterface.onclicklistener () {@Override public void 
OnClick (dialoginterface dialog, int which) {Dialog.dismiss ();//Close Dialog}}); Alertdialog dialog=builder.create ()//Get Dialog Dialog.show ()//Display dialog box}//Multiple-selection dialog box * * private void ShowDialog3 () {ALERTDI Alog. 
Builder builder=new Alertdialog.builder (this); Builder.settitle ("hobby");/Set title Builder.seticon (r.drawable.ic_launcher);//Set icon//parameter same as Radio dialog box, the second parameter defaults to NULL, 
Instead of -1*/Builder.setmultichoiceitems (likelist,null,new dialoginterface.onmultichoiceclicklistener () {@Override public void OnClick (Dialoginterface dialog, int which, Boolean ischecked) {if (ischecked) {Toast.maketext (mainactivity.t 
His, "I Like" +likelist[which],toast.length_short. Show (); 
}else{Toast.maketext (Mainactivity.this, "I don't like" +likelist[which],toast.length_short). Show (); 
} 
} 
}); /* Add dialog box Cancel button click event/Builder.setnegativebutton ("Cancel", new Dialoginterface.onclicklistener (){@Override public void OnClick (Dialoginterface dialog, int which) {Dialog.dismiss ();//Close Dialog}}); Alertdialog dialog=builder.create ()//Get Dialog Dialog.show ()//Display dialog box}/* List dialog * * private void ShowDialog4 () {ALERTDI Alog. 
Builder builder=new Alertdialog.builder (this); Builder.settitle ("department list");/Set the title Builder.seticon (r.drawable.ic_launcher);//Set icon Builder.setitems (itemlist,new Dialoginterface.onclicklistener () {@Override public void OnClick (Dialoginterface dialog, int which) {Toast.maketext (M 
Ainactivity.this, "I clicked on" +itemlist[which],toast.length_short). Show (); 
} 
}); Alertdialog dialog=builder.create ()//Get Dialog Dialog.show ()//Display dialog box}///Custom dialog box * * private void ShowDialog5 () {Layout 
Inflater Inflater=layoutinflater.from (this); View view=inflater.inflate (r.layout.dialog,null)//Get a custom layout Alertdialog.builder builder=new Alertdialog.builder ( 
this); Builder.settitle ("Custom dialog box");/Set the title Builder.seticon (r.drawable.ic_launcher);//Set icon Builder.setview (view); To set a custom style layout to a dialog box
Alertdialog dialog=builder.create ()//Get Dialog Dialog.show ();//Show dialog box}} 

4. The operation will have the goal effect.

About Android Alertdialog the use of various dialog boxes to introduce you so much, I hope to help you!