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1 | In activity called AttendanceActivity.class, | |
2 | ||
3 | //methos called in onCreate() | |
4 | private void onClickSetAllAttendance() { | |
5 | selectAll.setOnCheckedChangeListener(new OnCheckedChangeListener() { | |
6 | ||
7 | @Override | |
8 | public void onCheckedChanged(CompoundButton buttonView, | |
9 | boolean isChecked) { | |
10 | if (selectAll.isChecked()) { | |
11 | InteractiveArrayAdapter.check_all_status = 1; | |
12 | listAdapter.notifyDataSetChanged(); | |
13 | } else { | |
14 | InteractiveArrayAdapter.check_all_status = 0; | |
15 | listAdapter.notifyDataSetChanged(); | |
16 | } | |
17 | } | |
18 | }); | |
19 | ||
20 | } | |
21 | ||
22 | ||
23 | My adapter class--- | |
24 | ------------------------- | |
25 | /* | |
26 | * Here in this adapter I am taking "SelectAll" chekbox's status as check_all_status. It will assign according to conditions | |
27 | * In getview() i am calling a function called mCheckSelectedSize() to check whether all checkboxes are selected or not | |
28 | * according to returned value from mCheckSelectedSize() within onCheckedChanged() I am cheking condition and assigning the values to | |
29 | * check_all_status and check / uncheck to SelectAll checkbox | |
30 | */ | |
31 | ||
32 | public class InteractiveArrayAdapter extends ArrayAdapter<Model> { | |
33 | ||
34 | private final List<Model> listModel; | |
35 | private final Activity context; | |
36 | private TextView text; | |
37 | private CheckBox checkbox, selectAll; | |
38 | public static int check_all_status= -1; | |
39 | ||
40 | public InteractiveArrayAdapter(Activity context, List<Model> list, CheckBox selectAll){ | |
41 | super(context, R.layout.list_items_attendance_payment, list); | |
42 | this.context = context; | |
43 | this.listModel = list; | |
44 | this.selectAll= selectAll; | |
45 | } | |
46 | ||
47 | @Override | |
48 | public View getView( int position, View convertView, ViewGroup parent) { | |
49 | View view = convertView; | |
50 | if (convertView == null) { | |
51 | LayoutInflater inflator = context.getLayoutInflater(); | |
52 | view = inflator.inflate(R.layout.list_items_attendance_payment, null); | |
53 | } | |
54 | ||
55 | final Model obj = listModel.get(position); | |
56 | if(obj!=null){ | |
57 | text = (TextView) view.findViewById(R.id.name); | |
58 | checkbox = (CheckBox) view.findViewById(R.id.check); | |
59 | ||
60 | if(text!=null){ | |
61 | text.setText(listModel.get(position).getName()+" (No :"+listModel.get(position).getmNumber()+")"); | |
62 | } | |
63 | if(checkbox!=null){ | |
64 | ||
65 | ||
66 | checkbox.setOnCheckedChangeListener(new OnCheckedChangeListener() { | |
67 | ||
68 | @Override | |
69 | public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { | |
70 | obj.setSelected(isChecked); | |
71 | ||
72 | boolean isAllCheckSelected = (mCheckSelectedSize()==listModel.size()); | |
73 | if((isAllCheckSelected && isChecked)||(check_all_status == 1 && isChecked)){ | |
74 | selectAll.setChecked(true); | |
75 | check_all_status=1; | |
76 | } | |
77 | else if(mCheckSelectedSize()==0||check_all_status ==1){ | |
78 | selectAll.setChecked(false); | |
79 | check_all_status=-1; | |
80 | } | |
81 | ||
82 | } | |
83 | ||
84 | private int mCheckSelectedSize() { | |
85 | int k=0; | |
86 | ||
87 | for (int i = 0; i < listModel.size(); i++) { | |
88 | ||
89 | if(listModel.get(i).getSelected()){ | |
90 | k ++; | |
91 | } | |
92 | } | |
93 | return k; | |
94 | } | |
95 | }); | |
96 | ||
97 | ||
98 | if (check_all_status==1 ) { | |
99 | checkbox.setChecked(true); | |
100 | obj.setSelected(true); | |
101 | } | |
102 | else if(check_all_status==0){ | |
103 | listModel.get(position).setSelected(false); | |
104 | checkbox.setChecked(false); | |
105 | obj.setSelected(false); | |
106 | ||
107 | } | |
108 | else | |
109 | checkbox.setChecked(listModel.get(position).getSelected()); | |
110 | } | |
111 | } | |
112 | return view; | |
113 | } | |
114 | } | |
115 | ||
116 |