1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
|
/*
* Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Messenger;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.view.MenuItemCompat;
import android.support.v4.widget.CursorAdapter;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.SearchView;
import android.view.ActionMode;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AbsListView.MultiChoiceModeListener;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.ExportHelper;
import org.sufficientlysecure.keychain.pgp.KeyRing;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
import org.sufficientlysecure.keychain.util.Highlighter;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.Notify;
import java.util.Date;
import java.util.HashMap;
import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
/**
* Public key list with sticky list headers. It does _not_ extend ListFragment because it uses
* StickyListHeaders library which does not extend upon ListView.
*/
public class KeyListFragment extends LoaderFragment
implements SearchView.OnQueryTextListener, AdapterView.OnItemClickListener,
LoaderManager.LoaderCallbacks<Cursor> {
private KeyListAdapter mAdapter;
private StickyListHeadersListView mStickyList;
// saves the mode object for multiselect, needed for reset at some point
private ActionMode mActionMode = null;
private String mQuery;
private SearchView mSearchView;
// empty list layout
private Button mButtonEmptyCreate;
private Button mButtonEmptyImport;
/**
* Load custom layout with StickyListView from library
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
View view = inflater.inflate(R.layout.key_list_fragment, getContainer());
mStickyList = (StickyListHeadersListView) view.findViewById(R.id.key_list_list);
mStickyList.setOnItemClickListener(this);
// empty view
mButtonEmptyCreate = (Button) view.findViewById(R.id.key_list_empty_button_create);
mButtonEmptyCreate.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), CreateKeyActivity.class);
startActivityForResult(intent, 0);
}
});
mButtonEmptyImport = (Button) view.findViewById(R.id.key_list_empty_button_import);
mButtonEmptyImport.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), ImportKeysActivity.class);
intent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_FILE_AND_RETURN);
startActivityForResult(intent, 0);
}
});
return root;
}
/**
* Define Adapter and Loader on create of Activity
*/
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mStickyList.setOnItemClickListener(this);
mStickyList.setAreHeadersSticky(true);
mStickyList.setDrawingListUnderStickyHeader(false);
mStickyList.setFastScrollEnabled(true);
/*
* Multi-selection is only available for Android >= 3.0
*/
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
mStickyList.setFastScrollAlwaysVisible(true);
mStickyList.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
mStickyList.getWrappedList().setMultiChoiceModeListener(new MultiChoiceModeListener() {
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
android.view.MenuInflater inflater = getActivity().getMenuInflater();
inflater.inflate(R.menu.key_list_multi, menu);
mActionMode = mode;
return true;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
// get IDs for checked positions as long array
long[] ids;
switch (item.getItemId()) {
case R.id.menu_key_list_multi_encrypt: {
ids = mAdapter.getCurrentSelectedMasterKeyIds();
encrypt(mode, ids);
break;
}
case R.id.menu_key_list_multi_delete: {
ids = mAdapter.getCurrentSelectedMasterKeyIds();
showDeleteKeyDialog(mode, ids, mAdapter.isAnySecretSelected());
break;
}
case R.id.menu_key_list_multi_export: {
ids = mAdapter.getCurrentSelectedMasterKeyIds();
ExportHelper mExportHelper = new ExportHelper((ActionBarActivity) getActivity());
mExportHelper.showExportKeysDialog(ids, Constants.Path.APP_DIR_FILE,
mAdapter.isAnySecretSelected());
break;
}
case R.id.menu_key_list_multi_select_all: {
// select all
for (int i = 0; i < mStickyList.getCount(); i++) {
mStickyList.setItemChecked(i, true);
}
break;
}
}
return true;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
mActionMode = null;
mAdapter.clearSelection();
}
@Override
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
if (checked) {
mAdapter.setNewSelection(position, checked);
} else {
mAdapter.removeSelection(position);
}
int count = mStickyList.getCheckedItemCount();
String keysSelected = getResources().getQuantityString(
R.plurals.key_list_selected_keys, count, count);
mode.setTitle(keysSelected);
}
});
}
// We have a menu item to show in action bar.
setHasOptionsMenu(true);
// Start out with a progress indicator.
setContentShown(false);
// Create an empty adapter we will use to display the loaded data.
mAdapter = new KeyListAdapter(getActivity(), null, 0);
mStickyList.setAdapter(mAdapter);
// Prepare the loader. Either re-connect with an existing one,
// or start a new one.
getLoaderManager().initLoader(0, null, this);
}
// These are the rows that we will retrieve.
static final String[] PROJECTION = new String[]{
KeyRings._ID,
KeyRings.MASTER_KEY_ID,
KeyRings.USER_ID,
KeyRings.IS_REVOKED,
KeyRings.EXPIRY,
KeyRings.VERIFIED,
KeyRings.HAS_ANY_SECRET
};
static final int INDEX_MASTER_KEY_ID = 1;
static final int INDEX_USER_ID = 2;
static final int INDEX_IS_REVOKED = 3;
static final int INDEX_EXPIRY = 4;
static final int INDEX_VERIFIED = 5;
static final int INDEX_HAS_ANY_SECRET = 6;
static final String ORDER =
KeyRings.HAS_ANY_SECRET + " DESC, UPPER(" + KeyRings.USER_ID + ") ASC";
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
// This is called when a new Loader needs to be created. This
// sample only has one Loader, so we don't care about the ID.
Uri baseUri = KeyRings.buildUnifiedKeyRingsUri();
String where = null;
String whereArgs[] = null;
if (mQuery != null) {
String[] words = mQuery.trim().split("\\s+");
whereArgs = new String[words.length];
for (int i = 0; i < words.length; ++i) {
if (where == null) {
where = "";
} else {
where += " AND ";
}
where += KeyRings.USER_ID + " LIKE ?";
whereArgs[i] = "%" + words[i] + "%";
}
}
// Now create and return a CursorLoader that will take care of
// creating a Cursor for the data being displayed.
return new CursorLoader(getActivity(), baseUri, PROJECTION, where, whereArgs, ORDER);
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
mAdapter.setSearchQuery(mQuery);
mAdapter.swapCursor(data);
mStickyList.setAdapter(mAdapter);
// this view is made visible if no data is available
mStickyList.setEmptyView(getActivity().findViewById(R.id.key_list_empty));
// end action mode, if any
if (mActionMode != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
mActionMode.finish();
}
}
// The list should now be shown.
if (isResumed()) {
setContentShown(true);
} else {
setContentShownNoAnimation(true);
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
// This is called when the last Cursor provided to onLoadFinished()
// above is about to be closed. We need to make sure we are no
// longer using it.
mAdapter.swapCursor(null);
}
/**
* On click on item, start key view activity
*/
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
Intent viewIntent = new Intent(getActivity(), ViewKeyActivity.class);
viewIntent.setData(
KeyRings.buildGenericKeyRingUri(mAdapter.getMasterKeyId(position)));
startActivity(viewIntent);
}
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
protected void encrypt(ActionMode mode, long[] masterKeyIds) {
Intent intent = new Intent(getActivity(), EncryptFileActivity.class);
intent.setAction(EncryptFileActivity.ACTION_ENCRYPT_FILES);
intent.putExtra(EncryptFileActivity.EXTRA_ENCRYPTION_KEY_IDS, masterKeyIds);
// used instead of startActivity set actionbar based on callingPackage
startActivityForResult(intent, 0);
mode.finish();
}
/**
* Show dialog to delete key
*
* @param masterKeyIds
* @param hasSecret must contain whether the list of masterKeyIds contains a secret key or not
*/
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public void showDeleteKeyDialog(final ActionMode mode, long[] masterKeyIds, boolean hasSecret) {
// Can only work on singular secret keys
if (hasSecret && masterKeyIds.length > 1) {
Notify.showNotify(getActivity(), R.string.secret_cannot_multiple,
Notify.Style.ERROR);
return;
}
// Message is received after key is deleted
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
if (message.what == DeleteKeyDialogFragment.MESSAGE_OKAY) {
mode.finish();
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(returnHandler);
DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(messenger,
masterKeyIds);
deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog");
}
@Override
public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
// Get the searchview
MenuItem searchItem = menu.findItem(R.id.menu_key_list_search);
mSearchView = (SearchView) MenuItemCompat.getActionView(searchItem);
// Execute this when searching
mSearchView.setOnQueryTextListener(this);
View searchPlate = mSearchView.findViewById(android.support.v7.appcompat.R.id.search_plate);
searchPlate.setBackgroundResource(R.drawable.keychaintheme_searchview_holo_light);
// Erase search result without focus
MenuItemCompat.setOnActionExpandListener(searchItem, new MenuItemCompat.OnActionExpandListener() {
@Override
public boolean onMenuItemActionExpand(MenuItem item) {
return true;
}
@Override
public boolean onMenuItemActionCollapse(MenuItem item) {
mQuery = null;
getLoaderManager().restartLoader(0, null, KeyListFragment.this);
return true;
}
});
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onQueryTextSubmit(String s) {
return true;
}
@Override
public boolean onQueryTextChange(String s) {
Log.d(Constants.TAG, "onQueryTextChange s:" + s);
// Called when the action bar search text has changed. Update
// the search filter, and restart the loader to do a new query
// with this filter.
// If the nav drawer is opened, onQueryTextChange("") is executed.
// This hack prevents restarting the loader.
// TODO: better way to fix this?
String tmp = (mQuery == null) ? "" : mQuery;
if (!s.equals(tmp)) {
mQuery = s;
getLoaderManager().restartLoader(0, null, this);
}
return true;
}
/**
* Implements StickyListHeadersAdapter from library
*/
private class KeyListAdapter extends CursorAdapter implements StickyListHeadersAdapter {
private String mQuery;
private LayoutInflater mInflater;
private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
public KeyListAdapter(Context context, Cursor c, int flags) {
super(context, c, flags);
mInflater = LayoutInflater.from(context);
}
public void setSearchQuery(String query) {
mQuery = query;
}
@Override
public Cursor swapCursor(Cursor newCursor) {
return super.swapCursor(newCursor);
}
private class ItemViewHolder {
TextView mMainUserId;
TextView mMainUserIdRest;
ImageView mStatus;
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
View view = mInflater.inflate(R.layout.key_list_item, parent, false);
ItemViewHolder holder = new ItemViewHolder();
holder.mMainUserId = (TextView) view.findViewById(R.id.mainUserId);
holder.mMainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
holder.mStatus = (ImageView) view.findViewById(R.id.status_image);
view.setTag(holder);
return view;
}
/**
* Bind cursor data to the item list view
* <p/>
* NOTE: CursorAdapter already implements the ViewHolder pattern in its getView() method.
* Thus no ViewHolder is required here.
*/
@Override
public void bindView(View view, Context context, Cursor cursor) {
Highlighter highlighter = new Highlighter(context, mQuery);
ItemViewHolder h = (ItemViewHolder) view.getTag();
{ // set name and stuff, common to both key types
String userId = cursor.getString(INDEX_USER_ID);
String[] userIdSplit = KeyRing.splitUserId(userId);
if (userIdSplit[0] != null) {
h.mMainUserId.setText(highlighter.highlight(userIdSplit[0]));
} else {
h.mMainUserId.setText(R.string.user_id_no_name);
}
if (userIdSplit[1] != null) {
h.mMainUserIdRest.setText(highlighter.highlight(userIdSplit[1]));
h.mMainUserIdRest.setVisibility(View.VISIBLE);
} else {
h.mMainUserIdRest.setVisibility(View.GONE);
}
}
{ // set edit button and status, specific by key type
boolean isRevoked = cursor.getInt(INDEX_IS_REVOKED) > 0;
boolean isExpired = !cursor.isNull(INDEX_EXPIRY)
&& new Date(cursor.getLong(INDEX_EXPIRY) * 1000).before(new Date());
boolean isVerified = cursor.getInt(INDEX_VERIFIED) > 0;
// Note: order is important!
if (isRevoked) {
h.mStatus.setImageDrawable(
getResources().getDrawable(R.drawable.status_signature_revoked_cutout));
h.mStatus.setColorFilter(getResources().getColor(R.color.android_red_dark),
PorterDuff.Mode.SRC_ATOP);
h.mStatus.setVisibility(View.VISIBLE);
} else if (isExpired) {
h.mStatus.setImageDrawable(
getResources().getDrawable(R.drawable.status_signature_expired_cutout));
h.mStatus.setColorFilter(getResources().getColor(R.color.android_orange_dark),
PorterDuff.Mode.SRC_ATOP);
h.mStatus.setVisibility(View.VISIBLE);
} else if (isVerified) {
if (cursor.getInt(KeyListFragment.INDEX_HAS_ANY_SECRET) != 0) {
// this is a secret key
h.mStatus.setVisibility(View.GONE);
} else {
// this is a public key - show if it's verified
h.mStatus.setImageDrawable(
getResources().getDrawable(R.drawable.status_signature_verified_cutout));
h.mStatus.setColorFilter(getResources().getColor(R.color.android_green_dark),
PorterDuff.Mode.SRC_ATOP);
h.mStatus.setVisibility(View.VISIBLE);
}
} else {
h.mStatus.setVisibility(View.GONE);
}
}
}
public boolean isSecretAvailable(int id) {
if (!mCursor.moveToPosition(id)) {
throw new IllegalStateException("couldn't move cursor to position " + id);
}
return mCursor.getInt(INDEX_HAS_ANY_SECRET) != 0;
}
public long getMasterKeyId(int id) {
if (!mCursor.moveToPosition(id)) {
throw new IllegalStateException("couldn't move cursor to position " + id);
}
return mCursor.getLong(INDEX_MASTER_KEY_ID);
}
/**
* Creates a new header view and binds the section headers to it. It uses the ViewHolder
* pattern. Most functionality is similar to getView() from Android's CursorAdapter.
* <p/>
* NOTE: The variables mDataValid and mCursor are available due to the super class
* CursorAdapter.
*/
@Override
public View getHeaderView(int position, View convertView, ViewGroup parent) {
HeaderViewHolder holder;
if (convertView == null) {
holder = new HeaderViewHolder();
convertView = mInflater.inflate(R.layout.key_list_header, parent, false);
holder.mText = (TextView) convertView.findViewById(R.id.stickylist_header_text);
holder.mCount = (TextView) convertView.findViewById(R.id.contacts_num);
convertView.setTag(holder);
} else {
holder = (HeaderViewHolder) convertView.getTag();
}
if (!mDataValid) {
// no data available at this point
Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
return convertView;
}
if (!mCursor.moveToPosition(position)) {
throw new IllegalStateException("couldn't move cursor to position " + position);
}
if (mCursor.getInt(KeyListFragment.INDEX_HAS_ANY_SECRET) != 0) {
{ // set contact count
int num = mCursor.getCount();
String contactsTotal = getResources().getQuantityString(R.plurals.n_keys, num, num);
holder.mCount.setText(contactsTotal);
holder.mCount.setVisibility(View.VISIBLE);
}
holder.mText.setText(convertView.getResources().getString(R.string.my_keys));
return convertView;
}
// set header text as first char in user id
String userId = mCursor.getString(KeyListFragment.INDEX_USER_ID);
String headerText = convertView.getResources().getString(R.string.user_id_no_name);
if (userId != null && userId.length() > 0) {
headerText = "" + userId.charAt(0);
}
holder.mText.setText(headerText);
holder.mCount.setVisibility(View.GONE);
return convertView;
}
/**
* Header IDs should be static, position=1 should always return the same Id that is.
*/
@Override
public long getHeaderId(int position) {
if (!mDataValid) {
// no data available at this point
Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
return -1;
}
if (!mCursor.moveToPosition(position)) {
throw new IllegalStateException("couldn't move cursor to position " + position);
}
// early breakout: all secret keys are assigned id 0
if (mCursor.getInt(KeyListFragment.INDEX_HAS_ANY_SECRET) != 0) {
return 1L;
}
// otherwise, return the first character of the name as ID
String userId = mCursor.getString(KeyListFragment.INDEX_USER_ID);
if (userId != null && userId.length() > 0) {
return Character.toUpperCase(userId.charAt(0));
} else {
return Long.MAX_VALUE;
}
}
private class HeaderViewHolder {
TextView mText;
TextView mCount;
}
/**
* -------------------------- MULTI-SELECTION METHODS --------------
*/
public void setNewSelection(int position, boolean value) {
mSelection.put(position, value);
notifyDataSetChanged();
}
public boolean isAnySecretSelected() {
for (int pos : mSelection.keySet()) {
if (mAdapter.isSecretAvailable(pos))
return true;
}
return false;
}
public long[] getCurrentSelectedMasterKeyIds() {
long[] ids = new long[mSelection.size()];
int i = 0;
// get master key ids
for (int pos : mSelection.keySet()) {
ids[i++] = mAdapter.getMasterKeyId(pos);
}
return ids;
}
public void removeSelection(int position) {
mSelection.remove(position);
notifyDataSetChanged();
}
public void clearSelection() {
mSelection.clear();
notifyDataSetChanged();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// let the adapter handle setting up the row views
View v = super.getView(position, convertView, parent);
/**
* Change color for multi-selection
*/
if (mSelection.get(position) != null) {
// selected position color
v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
} else {
// default color
v.setBackgroundColor(Color.TRANSPARENT);
}
return v;
}
}
}
|