Androd listview + checkbox solves the problem that the screen cannot be fully selected.

Go directlyCodeThe main idea is to modify the value in list <string []>.

Activity Type

 1   Package Com. Test. listact;
 2  
 3   Import Java. util. arraylist;
 4   Import Java. util. List;
 5  
 6   Import Android. App. activity;
 7  Import Android. OS. Bundle;
 8   Import Android. View. view;
 9   Import Android. widget. Button;
 10   Import Android. widget. listview;
 11   Import Android. widget. Toast;
 12  
 13   Public  Class Listselectalltestactivity Extends Activity {
 14  
 15       Private Listview mlistview;
 16       Private Button selbtn, selectedbtn;
 17       Private Selectadapter myadapter;
 18       Private   Boolean Isselectall =False ;
 19       Private List <string []> DATA = Null ;
 20       Public   Void Oncreate (bundle savedinstancestate ){
 21           Super . Oncreate (savedinstancestate );
 22 Setcontentview (R. layout. Main );
 23          
 24 Mlistview = (listview) findviewbyid (R. Id. listview );
 25          
 26 Data = getdata ();
 27          
 28 Myadapter = New Selectadapter ( This , Data );
 29                 
 30 Mlistview. setadapter (myadapter );
 31          
 32 Selbtn = (button) findviewbyid (R. Id. selbtn );
 33          
 34 Selbtn. setonclicklistener ( New Button. onclicklistener (){
 35               Public   Void Onclick (view arg0 ){
 36                   If (Isselectall ){
 37 Myadapter. cancelall ();
 38 Isselectall =False ;
 39 } Else {
 40 Myadapter. selectall ();
 41 Isselectall = True ;
 42 }
 43 }
 44 });
 45          
46 Selectedbtn = (button) findviewbyid (R. Id. selectedbtn );
 47 Selectedbtn. setonclicklistener ( New Button. onclicklistener (){
 48               Public   Void Onclick (view arg0 ){
 49                   If (Data! = Null ){
 50 String [] D;
 51                      Int Select = 0, cancel = 0;
 52                       For (String [] dd: Data ){
 53                           If (! Dd [1]. Equals ("0") {// '0' indicates not selected
 54 Select ++;
 55 } Else {
 56 Cancel ++;
 57 }
58 }
 59 Toast. maketext (listselectalltestactivity. This , "Selected quantity:" + select + "\ t unselected quantity:" + cancel, Toast. length_long). Show ();
 60 }
 61 }
 62 });
 63 }
 64      
 65       Private List <string []> getdata (){
 66 List <string []> List = New Arraylist <string []> ();
 67           For ( Int I = 0; I <20; I ++ ){
 68 String [] DATA = New String [2];
 69 Data [0] = "hello" + (I + 1 );
 70 Data [1] = "0 ";
71 List. Add (data );
 72 }
 73           Return List;
 74 }
 75      
 76 }

Adapter class, the main logic here

 Package Com. Test. listact;

 Import Java. util. List;

 Import Android. content. context;
 Import Android. util. log;
 Import Android. View. layoutinflater;
 Import Android. View. view;
 Import Android. View. viewgroup;
 Import Android. widget. baseadapter;
 Import Android. widget. checkbox;
 Import Android. widget. compoundbutton;
 Import Android. widget. textview;

Public   Class Selectadapter Extends Baseadapter {


 Private Layoutinflater minflater;
 Private Context mcontext;
 Private List <string []> MList;

 Public Selectadapter (context mcontext, list <string []> MList ){
 This . MList = MList;
 This . Mcontext = mcontext;
 This . Minflater = layoutinflater. From (mcontext );
}

 Public   Int Getcount (){
 Return MList. Size ();
}

 Public Object getitem ( Int Arg0 ){
 Return MList. Get (arg0 );
}

 Public   Long Getitemid ( Int Arg0 ){
 Return Arg0;
}

 Public View getview ( Int Position, view, viewgroup parent ){
Viewhold mviewhold;
 If (View = Null ){
Log. D ("", "view vvvvv ");
Mviewhold = New Viewhold ();
View = minflater. Inflate (R. layout. item, Null );
Mviewhold. mtextview = (textview) view. findviewbyid (R. Id. Label );
Mviewhold. mcheckbox = (checkbox) view. findviewbyid (R. Id. labelcheckbox );
View. settag (mviewhold );
} Else {
Mviewhold = (viewhold) view. gettag ();
Log. D ("", "view vvvvveeeeeeee ");
}

String data [] = MList. Get (position );
Mviewhold. mtextview. settext (data [0]);

String isselected = data [1];

Mviewhold. mcheckbox. setid (position );
Mviewhold. mcheckbox. setchecked (! Isselected. Equals ("0 "));

 //  Modify the value when you click  
 Mviewhold. mcheckbox. setoncheckedchangelistener ( New Checkbox. oncheckedchangelistener (){

 Public   Void Oncheckedchanged (compoundbutton buttonview, Boolean Ischecked ){

String dat [] = MList. Get (buttonview. GETID ());
Dat [1] = ischecked? "1": "0 ";
MList. Set (buttonview. GETID (), dat );
}

});



 Return View;
}
 //  Select All  
      Public   Void Selectall (){
 If (MList! =Null ){
 For ( Int I = 0; I <MList. Size (); I ++ ){
MList. Get (I) [1] = "1 ";
}
 This . Notifydatasetchanged ();
}
}
 //  Cancel all  
      Public   Void Cancelall (){
 If (MList! =Null ){
 For ( Int I = 0; I <MList. Size (); I ++ ){
MList. Get (I) [1] = "0 ";
}
 This . Notifydatasetchanged ();
}
}


 Class Viewhold {
 Public Textview mtextview;
 Public Checkbox mcheckbox;
}

}

The XML file is omitted here...