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
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
|
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.android.camera;
import com.android.camera.ui.CamcorderHeadUpDisplay;
import com.android.camera.ui.CameraPicker;
import com.android.camera.ui.GLRootView;
import com.android.camera.ui.HeadUpDisplay;
import com.android.camera.ui.IndicatorWheel;
import com.android.camera.ui.RotateImageView;
import com.android.camera.ui.SharePopup;
import com.android.camera.ui.ZoomPicker;
import android.content.ActivityNotFoundException;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.hardware.Camera.CameraInfo;
import android.hardware.Camera.Parameters;
import android.hardware.Camera.Size;
import android.media.CamcorderProfile;
import android.media.MediaRecorder;
import android.media.ThumbnailUtils;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.ParcelFileDescriptor;
import android.os.SystemClock;
import android.provider.MediaStore;
import android.provider.MediaStore.Video;
import android.provider.Settings;
import android.util.Log;
import android.view.GestureDetector;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.MotionEvent;
import android.view.OrientationEventListener;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
/**
* The Camcorder activity.
*/
public class VideoCamera extends ActivityBase
implements View.OnClickListener,
ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback,
MediaRecorder.OnErrorListener, MediaRecorder.OnInfoListener,
Switcher.OnSwitchListener, PreviewFrameLayout.OnSizeChangedListener {
private static final String TAG = "videocamera";
private static final String LAST_THUMB_FILENAME = "video_last_thumb";
private static final int CHECK_DISPLAY_ROTATION = 3;
private static final int CLEAR_SCREEN_DELAY = 4;
private static final int UPDATE_RECORD_TIME = 5;
private static final int ENABLE_SHUTTER_BUTTON = 6;
private static final int SCREEN_DELAY = 2 * 60 * 1000;
// The brightness settings used when it is set to automatic in the system.
// The reason why it is set to 0.7 is just because 1.0 is too bright.
private static final float DEFAULT_CAMERA_BRIGHTNESS = 0.7f;
private static final long LOW_STORAGE_THRESHOLD = 512L * 1024L;
private static final boolean SWITCH_CAMERA = true;
private static final boolean SWITCH_VIDEO = false;
private static final long SHUTTER_BUTTON_TIMEOUT = 500L; // 500ms
private static final int[] TIME_LAPSE_VIDEO_QUALITY = {
CamcorderProfile.QUALITY_TIME_LAPSE_1080P,
CamcorderProfile.QUALITY_TIME_LAPSE_720P,
CamcorderProfile.QUALITY_TIME_LAPSE_480P,
CamcorderProfile.QUALITY_TIME_LAPSE_CIF,
CamcorderProfile.QUALITY_TIME_LAPSE_QCIF};
private static final int[] VIDEO_QUALITY = {
CamcorderProfile.QUALITY_1080P,
CamcorderProfile.QUALITY_720P,
CamcorderProfile.QUALITY_480P,
CamcorderProfile.QUALITY_CIF,
CamcorderProfile.QUALITY_QCIF};
/**
* An unpublished intent flag requesting to start recording straight away
* and return as soon as recording is stopped.
* TODO: consider publishing by moving into MediaStore.
*/
private final static String EXTRA_QUICK_CAPTURE =
"android.intent.extra.quickCapture";
private android.hardware.Camera mCameraDevice;
private final CameraErrorCallback mErrorCallback = new CameraErrorCallback();
private ComboPreferences mPreferences;
private PreferenceGroup mPreferenceGroup;
private PreviewFrameLayout mPreviewFrameLayout;
private SurfaceHolder mSurfaceHolder = null;
private GLRootView mGLRootView;
// w1024dp devices use indicator wheel. Other devices use head-up display.
private CamcorderHeadUpDisplay mHeadUpDisplay;
private IndicatorWheel mIndicatorWheel;
// Front/back camera picker for w1024dp layout.
private CameraPicker mCameraPicker;
private View mReviewControl;
private Toast mNoShareToast;
// An review image having same size as preview. It is displayed when
// recording is stopped in capture intent.
private ImageView mReviewImage;
// A popup window that contains a bigger thumbnail and a list of apps to share.
private SharePopup mSharePopup;
// The bitmap of the last captured video thumbnail and the URI of the
// original video.
private Thumbnail mThumbnail;
// A button that contains the thumbnail and the share icon.
private View mShareButton;
// An imageview showing showing the last captured picture thumbnail.
private RotateImageView mThumbnailView;
private RotateImageView mShareIcon;
private RotateImageView mCameraSwitchIcon;
private RotateImageView mVideoSwitchIcon;
private ShutterButton mShutterButton;
private TextView mRecordingTimeView;
private SwitcherSet mSwitcher;
private boolean mIsVideoCaptureIntent;
private boolean mQuickCapture;
private boolean mOpenCameraFail = false;
private boolean mCameraDisabled = false;
private long mStorageSpace;
private MediaRecorder mMediaRecorder;
private boolean mMediaRecorderRecording = false;
private long mRecordingStartTime;
private boolean mRecordingTimeCountsDown = false;
private long mOnResumeTime;
// The video file that the hardware camera is about to record into
// (or is recording into.)
private String mVideoFilename;
private ParcelFileDescriptor mVideoFileDescriptor;
// The video file that has already been recorded, and that is being
// examined by the user.
private String mCurrentVideoFilename;
private Uri mCurrentVideoUri;
private ContentValues mCurrentVideoValues;
private CamcorderProfile mProfile;
// The array of video quality profiles supported by each camera(s). Here the
// cameraId is the index of the array to get the profile map which contain
// the set of quality string and its real quality of a camera.
private HashMap<String, Integer>[] mProfileQuality;
private HashMap<String, Integer>[] mTimeLapseProfileQuality;
// The video duration limit. 0 menas no limit.
private int mMaxVideoDurationInMs;
// Time Lapse parameters.
private boolean mCaptureTimeLapse = false;
// Default 0. If it is larger than 0, the camcorder is in time lapse mode.
private int mTimeBetweenTimeLapseFrameCaptureMs = 0;
private View mTimeLapseLabel;
private View mPreviewBorder;
private int mDesiredPreviewWidth;
private int mDesiredPreviewHeight;
boolean mPausing = false;
boolean mPreviewing = false; // True if preview is started.
// The display rotation in degrees. This is only valid when mPreviewing is
// true.
private int mDisplayRotation;
private ContentResolver mContentResolver;
private final ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>();
private final Handler mHandler = new MainHandler();
private Parameters mParameters;
// multiple cameras support
private int mNumberOfCameras;
private int mCameraId;
private int mFrontCameraId;
private int mBackCameraId;
private GestureDetector mPopupGestureDetector;
private MyOrientationEventListener mOrientationListener;
// The degrees of the device rotated clockwise from its natural orientation.
private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN;
// The orientation compensation for icons and thumbnails. Ex: if the value
// is 90, the UI components should be rotated 90 degrees counter-clockwise.
private int mOrientationCompensation = 0;
private int mOrientationHint; // the orientation hint for video playback
private static final int ZOOM_STOPPED = 0;
private static final int ZOOM_START = 1;
private static final int ZOOM_STOPPING = 2;
private int mZoomState = ZOOM_STOPPED;
private boolean mSmoothZoomSupported = false;
private int mZoomValue; // The current zoom value.
private int mZoomMax;
private int mTargetZoomValue;
private ZoomPicker mZoomPicker;
private final ZoomListener mZoomListener = new ZoomListener();
// This Handler is used to post message back onto the main thread of the
// application
private class MainHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case ENABLE_SHUTTER_BUTTON:
mShutterButton.setEnabled(true);
break;
case CLEAR_SCREEN_DELAY: {
getWindow().clearFlags(
WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
break;
}
case UPDATE_RECORD_TIME: {
updateRecordingTime();
break;
}
case CHECK_DISPLAY_ROTATION: {
// Restart the preview if display rotation has changed.
// Sometimes this happens when the device is held upside
// down and camera app is opened. Rotation animation will
// take some time and the rotation value we have got may be
// wrong. Framework does not have a callback for this now.
if ((Util.getDisplayRotation(VideoCamera.this) != mDisplayRotation)
&& !mMediaRecorderRecording) {
startPreview();
}
if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) {
mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100);
}
break;
}
default:
Log.v(TAG, "Unhandled message: " + msg.what);
break;
}
}
}
private BroadcastReceiver mReceiver = null;
private class MyBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(Intent.ACTION_MEDIA_EJECT)) {
updateAndShowStorageHint();
stopVideoRecording();
} else if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) {
updateAndShowStorageHint();
updateThumbnailButton();
} else if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED)) {
// SD card unavailable
// handled in ACTION_MEDIA_EJECT
} else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) {
Toast.makeText(VideoCamera.this,
getResources().getString(R.string.wait), Toast.LENGTH_LONG).show();
} else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) {
updateAndShowStorageHint();
}
}
}
private String createName(long dateTaken) {
Date date = new Date(dateTaken);
SimpleDateFormat dateFormat = new SimpleDateFormat(
getString(R.string.video_file_name_format));
return dateFormat.format(date);
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Window win = getWindow();
// Overright the brightness settings if it is automatic
int mode = Settings.System.getInt(
getContentResolver(),
Settings.System.SCREEN_BRIGHTNESS_MODE,
Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
if (mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) {
WindowManager.LayoutParams winParams = win.getAttributes();
winParams.screenBrightness = DEFAULT_CAMERA_BRIGHTNESS;
win.setAttributes(winParams);
}
mPreferences = new ComboPreferences(this);
CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal());
mCameraId = CameraSettings.readPreferredCameraId(mPreferences);
//Testing purpose. Launch a specific camera through the intent extras.
int intentCameraId = Util.getCameraFacingIntentExtras(this);
if (intentCameraId != -1) {
mCameraId = intentCameraId;
}
mPreferences.setLocalId(this, mCameraId);
CameraSettings.upgradeLocalPreferences(mPreferences.getLocal());
mNumberOfCameras = CameraHolder.instance().getNumberOfCameras();
/*
* To reduce startup time, we start the preview in another thread.
* We make sure the preview is started at the end of onCreate.
*/
Thread startPreviewThread = new Thread(new Runnable() {
public void run() {
try {
mCameraDevice = Util.openCamera(VideoCamera.this, mCameraId);
readVideoPreferences();
startPreview();
} catch(CameraHardwareException e) {
mOpenCameraFail = true;
} catch(CameraDisabledException e) {
mCameraDisabled = true;
}
}
});
startPreviewThread.start();
mContentResolver = getContentResolver();
requestWindowFeature(Window.FEATURE_PROGRESS);
mIsVideoCaptureIntent = isVideoCaptureIntent();
if (mIsVideoCaptureIntent) {
setContentView(R.layout.video_camera_attach);
mReviewControl = findViewById(R.id.review_control);
mReviewControl.setVisibility(View.VISIBLE);
findViewById(R.id.btn_cancel).setOnClickListener(this);
findViewById(R.id.btn_done).setOnClickListener(this);
findViewById(R.id.btn_play).setOnClickListener(this);
View retake = findViewById(R.id.btn_retake);
retake.setOnClickListener(this);
if (retake instanceof ImageView) {
((ImageView) retake).setImageResource(R.drawable.btn_ic_review_retake_video);
} else {
((Button) retake).setCompoundDrawablesWithIntrinsicBounds(
R.drawable.ic_switch_video_holo_dark, 0, 0, 0);
}
} else {
setContentView(R.layout.video_camera);
initThumbnailButton();
mShareIcon = (RotateImageView) findViewById(R.id.share_icon);
mSwitcher = (SwitcherSet) findViewById(R.id.camera_switch);
mSwitcher.setVisibility(View.VISIBLE);
mSwitcher.setOnSwitchListener(this);
}
mPreviewFrameLayout = (PreviewFrameLayout)
findViewById(R.id.frame_layout);
mPreviewFrameLayout.setOnSizeChangedListener(this);
mReviewImage = (ImageView) findViewById(R.id.review_image);
mShareButton = findViewById(R.id.share_button);
mShareIcon = (RotateImageView) findViewById(R.id.share_icon);
mCameraSwitchIcon = (RotateImageView) findViewById(R.id.camera_switch_icon);
mVideoSwitchIcon = (RotateImageView) findViewById(R.id.video_switch_icon);
// don't set mSurfaceHolder here. We have it set ONLY within
// surfaceCreated / surfaceDestroyed, other parts of the code
// assume that when it is set, the surface is also set.
SurfaceView preview = (SurfaceView) findViewById(R.id.camera_preview);
SurfaceHolder holder = preview.getHolder();
holder.addCallback(this);
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
mQuickCapture = getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false);
mShutterButton = (ShutterButton) findViewById(R.id.shutter_button);
mShutterButton.setImageResource(R.drawable.btn_ic_video_record);
mShutterButton.setOnShutterButtonListener(this);
mShutterButton.requestFocus();
mRecordingTimeView = (TextView) findViewById(R.id.recording_time);
mOrientationListener = new MyOrientationEventListener(VideoCamera.this);
mTimeLapseLabel = findViewById(R.id.time_lapse_label);
mPreviewBorder = findViewById(R.id.preview_border);
// Make sure preview is started.
try {
startPreviewThread.join();
if (mOpenCameraFail) {
Util.showErrorAndFinish(this, R.string.cannot_connect_camera);
return;
} else if (mCameraDisabled) {
Util.showErrorAndFinish(this, R.string.camera_disabled);
return;
}
} catch (InterruptedException ex) {
// ignore
}
showTimeLapseUI(mCaptureTimeLapse);
resizeForPreviewAspectRatio();
mBackCameraId = CameraHolder.instance().getBackCameraId();
mFrontCameraId = CameraHolder.instance().getFrontCameraId();
// Initialize after startPreview becuase this need mParameters.
initializeIndicatorWheel();
// w1024dp devices use indicator wheel. Other devices use head-up display.
if (mIndicatorWheel == null) {
mHeadUpDisplay = new CamcorderHeadUpDisplay(this);
mHeadUpDisplay.setListener(new MyHeadUpDisplayListener());
initializeHeadUpDisplay();
}
initializeCameraPicker();
initializeZoomPicker();
}
private void changeHeadUpDisplayState() {
if (mHeadUpDisplay == null) return;
// If the camera resumes behind the lock screen, the orientation
// will be portrait. That causes OOM when we try to allocation GPU
// memory for the GLSurfaceView again when the orientation changes. So,
// we delayed initialization of HeadUpDisplay until the orientation
// becomes landscape.
Configuration config = getResources().getConfiguration();
if (config.orientation == Configuration.ORIENTATION_LANDSCAPE
&& !mPausing) {
if (mGLRootView == null) attachHeadUpDisplay();
} else if (mGLRootView != null) {
detachHeadUpDisplay();
}
}
private void initializeCameraPicker() {
mCameraPicker = (CameraPicker) findViewById(R.id.camera_picker);
if (mCameraPicker != null) {
mCameraPicker.setImageResource(R.drawable.camera_toggle_video);
ListPreference pref = mPreferenceGroup.findPreference(
CameraSettings.KEY_CAMERA_ID);
if (pref != null) {
mCameraPicker.initialize(pref);
mCameraPicker.setListener(new MyCameraPickerListener());
}
}
}
private void initializeZoomPicker() {
View zoomIncrement = findViewById(R.id.zoom_increment);
View zoomDecrement = findViewById(R.id.zoom_decrement);
TextView zoomRatio = (TextView) findViewById(R.id.zoom_ratio);
if (zoomIncrement != null && zoomDecrement != null && mParameters.isZoomSupported()) {
mZoomPicker = new ZoomPicker(this, zoomIncrement, zoomDecrement, zoomRatio);
}
}
private void loadCameraPreferences() {
CameraSettings settings = new CameraSettings(this, mParameters,
mCameraId, CameraHolder.instance().getCameraInfo());
mPreferenceGroup = settings.getPreferenceGroup(R.xml.video_preferences);
}
private void initializeHeadUpDisplay() {
if (mHeadUpDisplay == null) return;
loadCameraPreferences();
if (mIsVideoCaptureIntent) {
mPreferenceGroup = filterPreferenceScreenByIntent(mPreferenceGroup);
}
mHeadUpDisplay.initialize(this, mPreferenceGroup, mOrientationCompensation);
}
private void attachHeadUpDisplay() {
mHeadUpDisplay.setOrientation(mOrientationCompensation);
ViewGroup frame = (ViewGroup) findViewById(R.id.frame);
mGLRootView = new GLRootView(this);
frame.addView(mGLRootView);
mGLRootView.setContentPane(mHeadUpDisplay);
}
private void detachHeadUpDisplay() {
mHeadUpDisplay.collapse();
((ViewGroup) mGLRootView.getParent()).removeView(mGLRootView);
mGLRootView = null;
}
private boolean collapseCameraControls() {
if (mHeadUpDisplay != null && mHeadUpDisplay.collapse()) {
return true;
}
if (mIndicatorWheel != null && mIndicatorWheel.dismissSettingPopup()) {
return true;
}
return false;
}
private void enableCameraControls(boolean enable) {
if (mHeadUpDisplay != null) mHeadUpDisplay.setEnabled(enable);
if (mIndicatorWheel != null) mIndicatorWheel.setEnabled(enable);
if (mCameraPicker != null) mCameraPicker.setEnabled(enable);
if (mSwitcher != null) mSwitcher.setEnabled(enable);
}
private void initializeIndicatorWheel() {
mIndicatorWheel = (IndicatorWheel) findViewById(R.id.indicator_wheel);
if (mIndicatorWheel == null) return;
loadCameraPreferences();
final String[] SETTING_KEYS = {CameraSettings.KEY_VIDEOCAMERA_FLASH_MODE};
final String[] OTHER_SETTING_KEYS = {
CameraSettings.KEY_VIDEO_QUALITY,
CameraSettings.KEY_WHITE_BALANCE,
CameraSettings.KEY_VIDEO_TIME_LAPSE_FRAME_INTERVAL};
mIndicatorWheel.initialize(this, mPreferenceGroup, SETTING_KEYS, OTHER_SETTING_KEYS);
mIndicatorWheel.setListener(new MyIndicatorWheelListener());
mPopupGestureDetector = new GestureDetector(this,
new PopupGestureListener());
}
public static int roundOrientation(int orientation) {
return ((orientation + 45) / 90 * 90) % 360;
}
private class MyOrientationEventListener
extends OrientationEventListener {
public MyOrientationEventListener(Context context) {
super(context);
}
@Override
public void onOrientationChanged(int orientation) {
if (mMediaRecorderRecording) return;
// We keep the last known orientation. So if the user first orient
// the camera then point the camera to floor or sky, we still have
// the correct orientation.
if (orientation == ORIENTATION_UNKNOWN) return;
mOrientation = roundOrientation(orientation);
// When the screen is unlocked, display rotation may change. Always
// calculate the up-to-date orientationCompensation.
int orientationCompensation = mOrientation
+ Util.getDisplayRotation(VideoCamera.this);
if (mOrientationCompensation != orientationCompensation) {
mOrientationCompensation = orientationCompensation;
if (!mIsVideoCaptureIntent) {
setOrientationIndicator(mOrientationCompensation);
}
}
}
}
private void setOrientationIndicator(int degree) {
if (mHeadUpDisplay != null) mHeadUpDisplay.setOrientation(mOrientationCompensation);
if (mThumbnailView != null) mThumbnailView.setDegree(degree);
if (mShareIcon != null) mShareIcon.setDegree(degree);
if (mCameraSwitchIcon != null) mCameraSwitchIcon.setDegree(degree);
if (mVideoSwitchIcon != null) mVideoSwitchIcon.setDegree(degree);
if (mSharePopup != null) mSharePopup.setOrientation(degree);
}
private void startPlayVideoActivity() {
Intent intent = new Intent(Intent.ACTION_VIEW, mCurrentVideoUri);
try {
startActivity(intent);
} catch (ActivityNotFoundException ex) {
Log.e(TAG, "Couldn't view video " + mCurrentVideoUri, ex);
}
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.share_button:
if (!mMediaRecorderRecording && mThumbnail != null) {
showSharePopup();
}
break;
case R.id.btn_retake:
deleteCurrentVideo();
hideAlert();
break;
case R.id.btn_play:
startPlayVideoActivity();
break;
case R.id.btn_done:
doReturnToCaller(true);
break;
case R.id.btn_cancel:
stopVideoRecording();
doReturnToCaller(false);
break;
}
}
public void onShutterButtonFocus(ShutterButton button, boolean pressed) {
// Do nothing (everything happens in onShutterButtonClick).
}
private void onStopVideoRecording(boolean valid) {
stopVideoRecording();
if (mIsVideoCaptureIntent) {
if (mQuickCapture) {
doReturnToCaller(valid);
} else {
showAlert();
}
} else {
getThumbnail();
}
}
public void onShutterButtonClick(ShutterButton button) {
switch (button.getId()) {
case R.id.shutter_button:
if (collapseCameraControls()) return;
boolean stop = mMediaRecorderRecording;
if (stop) {
onStopVideoRecording(true);
} else {
startVideoRecording();
}
mShutterButton.setEnabled(false);
// Keep the shutter button disabled when in video capture intent
// mode and recording is stopped. It'll be re-enabled when
// re-take button is clicked.
if (!(mIsVideoCaptureIntent && stop)) {
mHandler.sendEmptyMessageDelayed(
ENABLE_SHUTTER_BUTTON, SHUTTER_BUTTON_TIMEOUT);
}
break;
}
}
private OnScreenHint mStorageHint;
private void updateAndShowStorageHint() {
mStorageSpace = Storage.getAvailableSpace();
showStorageHint();
}
private void showStorageHint() {
String errorMessage = null;
if (mStorageSpace == Storage.UNAVAILABLE) {
errorMessage = getString(R.string.no_storage);
} else if (mStorageSpace == Storage.PREPARING) {
errorMessage = getString(R.string.preparing_sd);
} else if (mStorageSpace == Storage.UNKNOWN_SIZE) {
errorMessage = getString(R.string.access_sd_fail);
} else if (mStorageSpace < LOW_STORAGE_THRESHOLD) {
errorMessage = getString(R.string.spaceIsLow_content);
}
if (errorMessage != null) {
if (mStorageHint == null) {
mStorageHint = OnScreenHint.makeText(this, errorMessage);
} else {
mStorageHint.setText(errorMessage);
}
mStorageHint.show();
} else if (mStorageHint != null) {
mStorageHint.cancel();
mStorageHint = null;
}
}
private void readVideoPreferences() {
String quality = mPreferences.getString(
CameraSettings.KEY_VIDEO_QUALITY,
CameraSettings.DEFAULT_VIDEO_QUALITY_VALUE);
boolean videoQualityHigh =
CameraSettings.getVideoQuality(this, quality);
// Set video quality.
Intent intent = getIntent();
if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) {
int extraVideoQuality =
intent.getIntExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
if (extraVideoQuality > 0) {
quality = getString(R.string.pref_video_quality_high);
} else { // 0 is mms.
quality = getString(R.string.pref_video_quality_mms);
}
}
// Set video duration limit. The limit is read from the preference,
// unless it is specified in the intent.
if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) {
int seconds =
intent.getIntExtra(MediaStore.EXTRA_DURATION_LIMIT, 0);
mMaxVideoDurationInMs = 1000 * seconds;
} else {
mMaxVideoDurationInMs =
CameraSettings.getVideoDurationInMillis(this, quality, mCameraId);
}
// Read time lapse recording interval.
String frameIntervalStr = mPreferences.getString(
CameraSettings.KEY_VIDEO_TIME_LAPSE_FRAME_INTERVAL,
getString(R.string.pref_video_time_lapse_frame_interval_default));
mTimeBetweenTimeLapseFrameCaptureMs = Integer.parseInt(frameIntervalStr);
mCaptureTimeLapse = (mTimeBetweenTimeLapseFrameCaptureMs != 0);
int profileQuality = getProfileQuality(mCameraId, quality, mCaptureTimeLapse);
mProfile = CamcorderProfile.get(mCameraId, profileQuality);
getDesiredPreviewSize();
}
int getProfileQuality(int cameraId, String quality, boolean captureTimeLapse) {
HashMap<String, Integer>[] qualityMap;
if (captureTimeLapse) {
if (mTimeLapseProfileQuality == null) {
mTimeLapseProfileQuality = new HashMap[
CameraHolder.instance().getNumberOfCameras()];
}
qualityMap = mTimeLapseProfileQuality;
if (qualityMap[cameraId] == null) {
qualityMap[cameraId] = buildProfileQuality(cameraId, TIME_LAPSE_VIDEO_QUALITY);
}
} else {
if (mProfileQuality == null) {
mProfileQuality = new HashMap[
CameraHolder.instance().getNumberOfCameras()];
}
qualityMap = mProfileQuality;
if (qualityMap[cameraId] == null) {
qualityMap[cameraId] = buildProfileQuality(cameraId, VIDEO_QUALITY);
}
}
return qualityMap[cameraId].get(quality);
}
HashMap<String, Integer> buildProfileQuality(int cameraId,
int qualityList[]) {
HashMap<String, Integer> qualityMap = new HashMap<String, Integer>();
int highestQuality = -1, secondHighestQuality = -1,
lastEffectiveQuality = -1;
for (int i = 0; i < qualityList.length; i++) {
if (CamcorderProfile.hasProfile(cameraId, qualityList[i])) {
if (highestQuality == -1) {
highestQuality = qualityList[i];
} else if (secondHighestQuality == -1) {
secondHighestQuality = qualityList[i];
break;
}
lastEffectiveQuality = qualityList[i];
}
}
if (secondHighestQuality == -1) {
secondHighestQuality = highestQuality;
}
qualityMap.put(getString(R.string.pref_video_quality_high), highestQuality);
qualityMap.put(getString(R.string.pref_video_quality_low), secondHighestQuality);
qualityMap.put(getString(R.string.pref_video_quality_youtube), highestQuality);
qualityMap.put(getString(R.string.pref_video_quality_mms), lastEffectiveQuality);
return qualityMap;
}
private void getDesiredPreviewSize() {
mParameters = mCameraDevice.getParameters();
if (mParameters.getSupportedVideoSizes() == null) {
mDesiredPreviewWidth = mProfile.videoFrameWidth;
mDesiredPreviewHeight = mProfile.videoFrameHeight;
} else { // Driver supports separates outputs for preview and video.
List<Size> sizes = mParameters.getSupportedPreviewSizes();
Size preferred = mParameters.getPreferredPreviewSizeForVideo();
int product = preferred.width * preferred.height;
Iterator it = sizes.iterator();
// Remove the preview sizes that are not preferred.
while (it.hasNext()) {
Size size = (Size) it.next();
if (size.width * size.height > product) {
it.remove();
}
}
Size optimalSize = Util.getOptimalPreviewSize(this, sizes,
(double) mProfile.videoFrameWidth / mProfile.videoFrameHeight);
mDesiredPreviewWidth = optimalSize.width;
mDesiredPreviewHeight = optimalSize.height;
}
Log.v(TAG, "mDesiredPreviewWidth=" + mDesiredPreviewWidth +
". mDesiredPreviewHeight=" + mDesiredPreviewHeight);
}
private void resizeForPreviewAspectRatio() {
mPreviewFrameLayout.setAspectRatio(
(double) mProfile.videoFrameWidth / mProfile.videoFrameHeight);
}
@Override
protected void onResume() {
super.onResume();
mPausing = false;
if (mOpenCameraFail || mCameraDisabled) return;
mZoomValue = 0;
mReviewImage.setVisibility(View.GONE);
// Start orientation listener as soon as possible because it takes
// some time to get first orientation.
mOrientationListener.enable();
if (!mPreviewing) {
try {
mCameraDevice = Util.openCamera(this, mCameraId);
readVideoPreferences();
resizeForPreviewAspectRatio();
startPreview();
} catch(CameraHardwareException e) {
Util.showErrorAndFinish(this, R.string.cannot_connect_camera);
return;
} catch(CameraDisabledException e) {
Util.showErrorAndFinish(this, R.string.camera_disabled);
return;
}
}
keepScreenOnAwhile();
// install an intent filter to receive SD card related events.
IntentFilter intentFilter =
new IntentFilter(Intent.ACTION_MEDIA_MOUNTED);
intentFilter.addAction(Intent.ACTION_MEDIA_EJECT);
intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
intentFilter.addDataScheme("file");
mReceiver = new MyBroadcastReceiver();
registerReceiver(mReceiver, intentFilter);
mStorageSpace = Storage.getAvailableSpace();
mHandler.postDelayed(new Runnable() {
public void run() {
showStorageHint();
}
}, 200);
changeHeadUpDisplayState();
if (!mIsVideoCaptureIntent) {
updateThumbnailButton(); // Update the last video thumbnail.
mSwitcher.setSwitch(SWITCH_VIDEO);
}
if (mPreviewing) {
mOnResumeTime = SystemClock.uptimeMillis();
mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100);
}
initializeZoom();
}
private void setPreviewDisplay(SurfaceHolder holder) {
try {
mCameraDevice.setPreviewDisplay(holder);
} catch (Throwable ex) {
closeCamera();
throw new RuntimeException("setPreviewDisplay failed", ex);
}
}
private void startPreview() {
Log.v(TAG, "startPreview");
mCameraDevice.setErrorCallback(mErrorCallback);
if (mPreviewing == true) {
mCameraDevice.stopPreview();
mPreviewing = false;
}
setPreviewDisplay(mSurfaceHolder);
mDisplayRotation = Util.getDisplayRotation(this);
Util.setCameraDisplayOrientation(mDisplayRotation, mCameraId, mCameraDevice);
setCameraParameters();
try {
mCameraDevice.startPreview();
} catch (Throwable ex) {
closeCamera();
throw new RuntimeException("startPreview failed", ex);
}
mZoomState = ZOOM_STOPPED;
mPreviewing = true;
}
private void closeCamera() {
Log.v(TAG, "closeCamera");
if (mCameraDevice == null) {
Log.d(TAG, "already stopped.");
return;
}
CameraHolder.instance().release();
mCameraDevice = null;
mPreviewing = false;
}
private void finishRecorderAndCloseCamera() {
// This is similar to what mShutterButton.performClick() does,
// but not quite the same.
if (mMediaRecorderRecording) {
if (mIsVideoCaptureIntent) {
stopVideoRecording();
showAlert();
} else {
stopVideoRecording();
getThumbnail();
}
} else {
stopVideoRecording();
}
closeCamera();
}
@Override
protected void onPause() {
super.onPause();
mPausing = true;
changeHeadUpDisplayState();
if (mIndicatorWheel != null) mIndicatorWheel.dismissSettingPopup();
finishRecorderAndCloseCamera();
if (mSharePopup != null) mSharePopup.dismiss();
if (mReceiver != null) {
unregisterReceiver(mReceiver);
mReceiver = null;
}
resetScreenOn();
if (!mIsVideoCaptureIntent && mThumbnail != null) {
mThumbnail.saveTo(new File(getFilesDir(), LAST_THUMB_FILENAME));
}
if (mStorageHint != null) {
mStorageHint.cancel();
mStorageHint = null;
}
mOrientationListener.disable();
mHandler.removeMessages(CHECK_DISPLAY_ROTATION);
}
@Override
public void onUserInteraction() {
super.onUserInteraction();
if (!mMediaRecorderRecording) keepScreenOnAwhile();
}
@Override
public void onBackPressed() {
if (mPausing) return;
if (mMediaRecorderRecording) {
onStopVideoRecording(false);
} else if (!collapseCameraControls()) {
super.onBackPressed();
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// Do not handle any key if the activity is paused.
if (mPausing) {
return true;
}
switch (keyCode) {
case KeyEvent.KEYCODE_CAMERA:
if (event.getRepeatCount() == 0) {
mShutterButton.performClick();
return true;
}
break;
case KeyEvent.KEYCODE_DPAD_CENTER:
if (event.getRepeatCount() == 0) {
mShutterButton.performClick();
return true;
}
break;
case KeyEvent.KEYCODE_MENU:
if (mMediaRecorderRecording) return true;
break;
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_CAMERA:
mShutterButton.setPressed(false);
return true;
}
return super.onKeyUp(keyCode, event);
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
// Make sure we have a surface in the holder before proceeding.
if (holder.getSurface() == null) {
Log.d(TAG, "holder.getSurface() == null");
return;
}
Log.v(TAG, "surfaceChanged. w=" + w + ". h=" + h);
mSurfaceHolder = holder;
if (mPausing) {
// We're pausing, the screen is off and we already stopped
// video recording. We don't want to start the camera again
// in this case in order to conserve power.
// The fact that surfaceChanged is called _after_ an onPause appears
// to be legitimate since in that case the lockscreen always returns
// to portrait orientation possibly triggering the notification.
return;
}
// The mCameraDevice will be null if it is fail to connect to the
// camera hardware. In this case we will show a dialog and then
// finish the activity, so it's OK to ignore it.
if (mCameraDevice == null) return;
// Set preview display if the surface is being created. Preview was
// already started. Also restart the preview if display rotation has
// changed. Sometimes this happens when the device is held in portrait
// and camera app is opened. Rotation animation takes some time and
// display rotation in onCreate may not be what we want.
if (mPreviewing && (Util.getDisplayRotation(this) == mDisplayRotation)
&& holder.isCreating()) {
setPreviewDisplay(holder);
} else {
stopVideoRecording();
startPreview();
}
}
public void surfaceCreated(SurfaceHolder holder) {
}
public void surfaceDestroyed(SurfaceHolder holder) {
mSurfaceHolder = null;
}
private void gotoGallery() {
MenuHelper.gotoCameraVideoGallery(this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
if (mIsVideoCaptureIntent) {
// No options menu for attach mode.
return false;
} else {
addBaseMenuItems(menu);
}
return true;
}
private boolean isVideoCaptureIntent() {
String action = getIntent().getAction();
return (MediaStore.ACTION_VIDEO_CAPTURE.equals(action));
}
private void doReturnToCaller(boolean valid) {
Intent resultIntent = new Intent();
int resultCode;
if (valid) {
resultCode = RESULT_OK;
resultIntent.setData(mCurrentVideoUri);
} else {
resultCode = RESULT_CANCELED;
}
setResultEx(resultCode, resultIntent);
finish();
}
private void cleanupEmptyFile() {
if (mVideoFilename != null) {
File f = new File(mVideoFilename);
if (f.length() == 0 && f.delete()) {
Log.v(TAG, "Empty video file deleted: " + mVideoFilename);
mVideoFilename = null;
}
}
}
// Prepares media recorder.
private void initializeRecorder() {
Log.v(TAG, "initializeRecorder");
// If the mCameraDevice is null, then this activity is going to finish
if (mCameraDevice == null) return;
if (mSurfaceHolder == null) {
Log.v(TAG, "Surface holder is null. Wait for surface changed.");
return;
}
Intent intent = getIntent();
Bundle myExtras = intent.getExtras();
long requestedSizeLimit = 0;
if (mIsVideoCaptureIntent && myExtras != null) {
Uri saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT);
if (saveUri != null) {
try {
mVideoFileDescriptor =
mContentResolver.openFileDescriptor(saveUri, "rw");
mCurrentVideoUri = saveUri;
} catch (java.io.FileNotFoundException ex) {
// invalid uri
Log.e(TAG, ex.toString());
}
}
requestedSizeLimit = myExtras.getLong(MediaStore.EXTRA_SIZE_LIMIT);
}
mMediaRecorder = new MediaRecorder();
// Unlock the camera object before passing it to media recorder.
mCameraDevice.unlock();
mMediaRecorder.setCamera(mCameraDevice);
if (!mCaptureTimeLapse) {
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
}
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mMediaRecorder.setProfile(mProfile);
mMediaRecorder.setMaxDuration(mMaxVideoDurationInMs);
if (mCaptureTimeLapse) {
mMediaRecorder.setCaptureRate((1000 / (double) mTimeBetweenTimeLapseFrameCaptureMs));
}
// Set output file.
// Try Uri in the intent first. If it doesn't exist, use our own
// instead.
if (mVideoFileDescriptor != null) {
mMediaRecorder.setOutputFile(mVideoFileDescriptor.getFileDescriptor());
} else {
generateVideoFilename(mProfile.fileFormat);
mMediaRecorder.setOutputFile(mVideoFilename);
}
mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface());
// Set maximum file size.
// remaining >= LOW_STORAGE_THRESHOLD at this point, reserve a quarter
// of that to make it more likely that recording can complete
// successfully.
long maxFileSize = mStorageSpace - LOW_STORAGE_THRESHOLD / 4;
if (requestedSizeLimit > 0 && requestedSizeLimit < maxFileSize) {
maxFileSize = requestedSizeLimit;
}
try {
mMediaRecorder.setMaxFileSize(maxFileSize);
} catch (RuntimeException exception) {
// We are going to ignore failure of setMaxFileSize here, as
// a) The composer selected may simply not support it, or
// b) The underlying media framework may not handle 64-bit range
// on the size restriction.
}
// See android.hardware.Camera.Parameters.setRotation for
// documentation.
int rotation = 0;
if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) {
CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId];
if (info.facing == CameraInfo.CAMERA_FACING_FRONT) {
rotation = (info.orientation - mOrientation + 360) % 360;
} else { // back-facing camera
rotation = (info.orientation + mOrientation) % 360;
}
}
mMediaRecorder.setOrientationHint(rotation);
mOrientationHint = rotation;
try {
mMediaRecorder.prepare();
} catch (IOException e) {
Log.e(TAG, "prepare failed for " + mVideoFilename, e);
releaseMediaRecorder();
throw new RuntimeException(e);
}
mMediaRecorder.setOnErrorListener(this);
mMediaRecorder.setOnInfoListener(this);
}
private void releaseMediaRecorder() {
Log.v(TAG, "Releasing media recorder.");
if (mMediaRecorder != null) {
cleanupEmptyFile();
mMediaRecorder.reset();
mMediaRecorder.release();
mMediaRecorder = null;
}
mVideoFilename = null;
if (mVideoFileDescriptor != null) {
try {
mVideoFileDescriptor.close();
} catch (IOException e) {
Log.e(TAG, "Fail to close fd", e);
}
mVideoFileDescriptor = null;
}
}
private void generateVideoFilename(int outputFileFormat) {
long dateTaken = System.currentTimeMillis();
String title = createName(dateTaken);
String filename = title + ".3gp"; // Used when emailing.
String mime = "video/3gpp";
if (outputFileFormat == MediaRecorder.OutputFormat.MPEG_4) {
filename = title + ".mp4";
mime = "video/mp4";
}
mVideoFilename = Storage.DIRECTORY + '/' + filename;
mCurrentVideoValues = new ContentValues(7);
mCurrentVideoValues.put(Video.Media.TITLE, title);
mCurrentVideoValues.put(Video.Media.DISPLAY_NAME, filename);
mCurrentVideoValues.put(Video.Media.DATE_TAKEN, dateTaken);
mCurrentVideoValues.put(Video.Media.MIME_TYPE, mime);
mCurrentVideoValues.put(Video.Media.DATA, mVideoFilename);
Log.v(TAG, "New video filename: " + mVideoFilename);
}
private void registerVideo() {
if (mVideoFileDescriptor == null) {
Uri videoTable = Uri.parse("content://media/external/video/media");
mCurrentVideoValues.put(Video.Media.SIZE,
new File(mCurrentVideoFilename).length());
long duration = SystemClock.uptimeMillis() - mRecordingStartTime;
if (duration > 0) {
if (mCaptureTimeLapse) {
duration = getTimeLapseVideoLength(duration);
}
mCurrentVideoValues.put(Video.Media.DURATION, duration);
} else {
Log.w(TAG, "Video duration <= 0 : " + duration);
}
try {
mCurrentVideoUri = mContentResolver.insert(videoTable,
mCurrentVideoValues);
} catch (Exception e) {
// We failed to insert into the database. This can happen if
// the SD card is unmounted.
mCurrentVideoUri = null;
mCurrentVideoFilename = null;
} finally {
Log.v(TAG, "Current video URI: " + mCurrentVideoUri);
}
}
mCurrentVideoValues = null;
}
private void deleteCurrentVideo() {
// Remove the video and the uri if the uri is not passed in by intent.
if (mCurrentVideoFilename != null) {
deleteVideoFile(mCurrentVideoFilename);
mCurrentVideoFilename = null;
if (mCurrentVideoUri != null) {
mContentResolver.delete(mCurrentVideoUri, null, null);
mCurrentVideoUri = null;
}
}
updateAndShowStorageHint();
}
private void deleteVideoFile(String fileName) {
Log.v(TAG, "Deleting video " + fileName);
File f = new File(fileName);
if (!f.delete()) {
Log.v(TAG, "Could not delete " + fileName);
}
}
private void addBaseMenuItems(Menu menu) {
MenuHelper.addSwitchModeMenuItem(menu, false, new Runnable() {
public void run() {
switchToCameraMode();
}
});
MenuItem gallery = menu.add(Menu.NONE, Menu.NONE,
MenuHelper.POSITION_GOTO_GALLERY,
R.string.camera_gallery_photos_text)
.setOnMenuItemClickListener(
new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
gotoGallery();
return true;
}
});
gallery.setIcon(android.R.drawable.ic_menu_gallery);
mGalleryItems.add(gallery);
if (mNumberOfCameras > 1) {
menu.add(Menu.NONE, Menu.NONE,
MenuHelper.POSITION_SWITCH_CAMERA_ID,
R.string.switch_camera_id)
.setOnMenuItemClickListener(new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
CameraSettings.writePreferredCameraId(mPreferences,
((mCameraId == mFrontCameraId)
? mBackCameraId : mFrontCameraId));
onSharedPreferenceChanged();
return true;
}
}).setIcon(android.R.drawable.ic_menu_camera);
}
}
private PreferenceGroup filterPreferenceScreenByIntent(
PreferenceGroup screen) {
Intent intent = getIntent();
if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) {
CameraSettings.removePreferenceFromScreen(screen,
CameraSettings.KEY_VIDEO_QUALITY);
}
if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) {
CameraSettings.removePreferenceFromScreen(screen,
CameraSettings.KEY_VIDEO_QUALITY);
}
return screen;
}
// from MediaRecorder.OnErrorListener
public void onError(MediaRecorder mr, int what, int extra) {
Log.e(TAG, "MediaRecorder error. what=" + what + ". extra=" + extra);
if (what == MediaRecorder.MEDIA_RECORDER_ERROR_UNKNOWN) {
// We may have run out of space on the sdcard.
stopVideoRecording();
updateAndShowStorageHint();
}
}
// from MediaRecorder.OnInfoListener
public void onInfo(MediaRecorder mr, int what, int extra) {
if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED) {
if (mMediaRecorderRecording) onStopVideoRecording(true);
} else if (what
== MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) {
if (mMediaRecorderRecording) onStopVideoRecording(true);
// Show the toast.
Toast.makeText(VideoCamera.this, R.string.video_reach_size_limit,
Toast.LENGTH_LONG).show();
}
}
/*
* Make sure we're not recording music playing in the background, ask the
* MediaPlaybackService to pause playback.
*/
private void pauseAudioPlayback() {
// Shamelessly copied from MediaPlaybackService.java, which
// should be public, but isn't.
Intent i = new Intent("com.android.music.musicservicecommand");
i.putExtra("command", "pause");
sendBroadcast(i);
}
// For testing.
public boolean isRecording() {
return mMediaRecorderRecording;
}
private void startVideoRecording() {
Log.v(TAG, "startVideoRecording");
updateAndShowStorageHint();
if (mStorageSpace < LOW_STORAGE_THRESHOLD) {
Log.v(TAG, "Storage issue, ignore the start request");
return;
}
initializeRecorder();
if (mMediaRecorder == null) {
Log.e(TAG, "Fail to initialize media recorder");
return;
}
pauseAudioPlayback();
try {
mMediaRecorder.start(); // Recording is now started
} catch (RuntimeException e) {
Log.e(TAG, "Could not start media recorder. ", e);
releaseMediaRecorder();
// If start fails, frameworks will not lock the camera for us.
mCameraDevice.lock();
return;
}
enableCameraControls(false);
mMediaRecorderRecording = true;
mRecordingStartTime = SystemClock.uptimeMillis();
showRecordingUI(true);
updateRecordingTime();
keepScreenOn();
}
private void showRecordingUI(boolean recording) {
if (recording) {
mShutterButton.setImageDrawable(getResources().getDrawable(
R.drawable.btn_ic_video_record_stop));
mShutterButton.setBackgroundResource(R.drawable.btn_shutter_recording);
mRecordingTimeView.setText("");
mRecordingTimeView.setVisibility(View.VISIBLE);
if (mReviewControl != null) mReviewControl.setVisibility(View.GONE);
if (mCaptureTimeLapse) {
mIndicatorWheel.startTimeLapseAnimation(
mTimeBetweenTimeLapseFrameCaptureMs,
mRecordingStartTime);
}
} else {
mShutterButton.setImageDrawable(getResources().getDrawable(
R.drawable.btn_ic_video_record));
mShutterButton.setBackgroundResource(R.drawable.btn_shutter);
mRecordingTimeView.setVisibility(View.GONE);
if (mReviewControl != null) mReviewControl.setVisibility(View.VISIBLE);
if (mCaptureTimeLapse) {
mIndicatorWheel.stopTimeLapseAnimation();
}
}
}
private void getThumbnail() {
if (mCurrentVideoUri != null) {
Bitmap videoFrame = ThumbnailUtils.createVideoThumbnail(
mCurrentVideoFilename, Video.Thumbnails.MINI_KIND);
if (videoFrame != null) {
mThumbnail = new Thumbnail(mCurrentVideoUri, videoFrame, 0);
mThumbnailView.setBitmap(mThumbnail.getBitmap());
}
}
}
private void showAlert() {
if (mIndicatorWheel == null) {
fadeOut(findViewById(R.id.shutter_button));
}
if (mCurrentVideoFilename != null) {
Bitmap bitmap = ThumbnailUtils.createVideoThumbnail(
mCurrentVideoFilename, Video.Thumbnails.MINI_KIND);
if (bitmap != null) {
// MetadataRetriever already rotates the thumbnail. We should rotate
// it back (and mirror if it is front-facing camera).
CameraInfo[] info = CameraHolder.instance().getCameraInfo();
if (info[mCameraId].facing == CameraInfo.CAMERA_FACING_BACK) {
bitmap = Util.rotateAndMirror(bitmap, -mOrientationHint, false);
} else {
bitmap = Util.rotateAndMirror(bitmap, -mOrientationHint, true);
}
mReviewImage.setImageBitmap(bitmap);
mReviewImage.setVisibility(View.VISIBLE);
}
}
int[] pickIds = {R.id.btn_retake, R.id.btn_done, R.id.btn_play};
for (int id : pickIds) {
View button = findViewById(id);
fadeIn(((View) button.getParent()));
}
// Remove the text of the cancel button
View view = findViewById(R.id.btn_cancel);
if (view instanceof Button) ((Button) view).setText("");
showTimeLapseUI(false);
}
private void hideAlert() {
mReviewImage.setVisibility(View.INVISIBLE);
fadeIn(findViewById(R.id.shutter_button));
mShutterButton.setEnabled(true);
enableCameraControls(true);
// Restore the text of the cancel button
View view = findViewById(R.id.btn_cancel);
if (view instanceof Button) {
((Button) view).setText(R.string.review_cancel);
}
int[] pickIds = {R.id.btn_retake, R.id.btn_done, R.id.btn_play};
for (int id : pickIds) {
View button = findViewById(id);
((View) button.getParent()).setVisibility(View.GONE);
}
if (mCaptureTimeLapse) {
showTimeLapseUI(true);
}
}
private static void fadeIn(View view) {
view.setVisibility(View.VISIBLE);
Animation animation = new AlphaAnimation(0F, 1F);
animation.setDuration(500);
view.startAnimation(animation);
}
private static void fadeOut(View view) {
view.setVisibility(View.INVISIBLE);
Animation animation = new AlphaAnimation(1F, 0F);
animation.setDuration(500);
view.startAnimation(animation);
}
private boolean isAlertVisible() {
return this.mReviewImage.getVisibility() == View.VISIBLE;
}
private void stopVideoRecording() {
Log.v(TAG, "stopVideoRecording");
if (mMediaRecorderRecording) {
boolean needToRegisterRecording = false;
mMediaRecorder.setOnErrorListener(null);
mMediaRecorder.setOnInfoListener(null);
try {
mMediaRecorder.stop();
mCurrentVideoFilename = mVideoFilename;
Log.v(TAG, "Setting current video filename: "
+ mCurrentVideoFilename);
needToRegisterRecording = true;
} catch (RuntimeException e) {
Log.e(TAG, "stop fail", e);
if (mVideoFilename != null) deleteVideoFile(mVideoFilename);
}
mMediaRecorderRecording = false;
showRecordingUI(false);
if (!mIsVideoCaptureIntent) {
enableCameraControls(true);
}
keepScreenOnAwhile();
if (needToRegisterRecording && mStorageSpace >= LOW_STORAGE_THRESHOLD) {
registerVideo();
}
}
releaseMediaRecorder(); // always release media recorder
}
private void resetScreenOn() {
mHandler.removeMessages(CLEAR_SCREEN_DELAY);
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
private void keepScreenOnAwhile() {
mHandler.removeMessages(CLEAR_SCREEN_DELAY);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY);
}
private void keepScreenOn() {
mHandler.removeMessages(CLEAR_SCREEN_DELAY);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
private void initThumbnailButton() {
mThumbnailView = (RotateImageView) findViewById(R.id.thumbnail);
findViewById(R.id.share_button).setOnClickListener(this);
// Load the thumbnail from the disk.
mThumbnail = Thumbnail.loadFrom(new File(getFilesDir(), LAST_THUMB_FILENAME));
}
private void updateThumbnailButton() {
if (mThumbnail == null || !Util.isUriValid(mThumbnail.getUri(), mContentResolver)) {
mThumbnail = Thumbnail.getLastVideoThumbnail(mContentResolver);
}
if (mThumbnail != null) {
mThumbnailView.setBitmap(mThumbnail.getBitmap());
} else {
mThumbnailView.setBitmap(null);
}
}
private static String millisecondToTimeString(long milliSeconds, boolean displayCentiSeconds) {
long seconds = milliSeconds / 1000; // round down to compute seconds
long minutes = seconds / 60;
long hours = minutes / 60;
long remainderMinutes = minutes - (hours * 60);
long remainderSeconds = seconds - (minutes * 60);
StringBuilder timeStringBuilder = new StringBuilder();
// Hours
if (hours > 0) {
if (hours < 10) {
timeStringBuilder.append('0');
}
timeStringBuilder.append(hours);
timeStringBuilder.append(':');
}
// Minutes
if (remainderMinutes < 10) {
timeStringBuilder.append('0');
}
timeStringBuilder.append(remainderMinutes);
timeStringBuilder.append(':');
// Seconds
if (remainderSeconds < 10) {
timeStringBuilder.append('0');
}
timeStringBuilder.append(remainderSeconds);
// Centi seconds
if (displayCentiSeconds) {
timeStringBuilder.append('.');
long remainderCentiSeconds = (milliSeconds - seconds * 1000) / 10;
if (remainderCentiSeconds < 10) {
timeStringBuilder.append('0');
}
timeStringBuilder.append(remainderCentiSeconds);
}
return timeStringBuilder.toString();
}
private long getTimeLapseVideoLength(long deltaMs) {
// For better approximation calculate fractional number of frames captured.
// This will update the video time at a higher resolution.
double numberOfFrames = (double) deltaMs / mTimeBetweenTimeLapseFrameCaptureMs;
return (long) (numberOfFrames / mProfile.videoFrameRate * 1000);
}
private void updateRecordingTime() {
if (!mMediaRecorderRecording) {
return;
}
long now = SystemClock.uptimeMillis();
long delta = now - mRecordingStartTime;
// Starting a minute before reaching the max duration
// limit, we'll countdown the remaining time instead.
boolean countdownRemainingTime = (mMaxVideoDurationInMs != 0
&& delta >= mMaxVideoDurationInMs - 60000);
long deltaAdjusted = delta;
if (countdownRemainingTime) {
deltaAdjusted = Math.max(0, mMaxVideoDurationInMs - deltaAdjusted) + 999;
}
String text;
long targetNextUpdateDelay;
if (!mCaptureTimeLapse) {
text = millisecondToTimeString(deltaAdjusted, false);
targetNextUpdateDelay = 1000;
} else {
// The length of time lapse video is different from the length
// of the actual wall clock time elapsed. Display the video length
// only in format hh:mm:ss.dd, where dd are the centi seconds.
text = millisecondToTimeString(getTimeLapseVideoLength(delta), true);
targetNextUpdateDelay = mTimeBetweenTimeLapseFrameCaptureMs;
}
mRecordingTimeView.setText(text);
if (mRecordingTimeCountsDown != countdownRemainingTime) {
// Avoid setting the color on every update, do it only
// when it needs changing.
mRecordingTimeCountsDown = countdownRemainingTime;
int color = getResources().getColor(countdownRemainingTime
? R.color.recording_time_remaining_text
: R.color.recording_time_elapsed_text);
mRecordingTimeView.setTextColor(color);
}
long actualNextUpdateDelay = targetNextUpdateDelay - (delta % targetNextUpdateDelay);
mHandler.sendEmptyMessageDelayed(
UPDATE_RECORD_TIME, actualNextUpdateDelay);
}
private static boolean isSupported(String value, List<String> supported) {
return supported == null ? false : supported.indexOf(value) >= 0;
}
private void setCameraParameters() {
mParameters = mCameraDevice.getParameters();
mParameters.setPreviewSize(mDesiredPreviewWidth, mDesiredPreviewHeight);
mParameters.setPreviewFrameRate(mProfile.videoFrameRate);
// Set flash mode.
String flashMode = mPreferences.getString(
CameraSettings.KEY_VIDEOCAMERA_FLASH_MODE,
getString(R.string.pref_camera_video_flashmode_default));
List<String> supportedFlash = mParameters.getSupportedFlashModes();
if (isSupported(flashMode, supportedFlash)) {
mParameters.setFlashMode(flashMode);
} else {
flashMode = mParameters.getFlashMode();
if (flashMode == null) {
flashMode = getString(
R.string.pref_camera_flashmode_no_flash);
}
}
// Set white balance parameter.
String whiteBalance = mPreferences.getString(
CameraSettings.KEY_WHITE_BALANCE,
getString(R.string.pref_camera_whitebalance_default));
if (isSupported(whiteBalance,
mParameters.getSupportedWhiteBalance())) {
mParameters.setWhiteBalance(whiteBalance);
} else {
whiteBalance = mParameters.getWhiteBalance();
if (whiteBalance == null) {
whiteBalance = Parameters.WHITE_BALANCE_AUTO;
}
}
// Set zoom.
if (mParameters.isZoomSupported()) {
mParameters.setZoom(mZoomValue);
}
mCameraDevice.setParameters(mParameters);
// Keep preview size up to date.
mParameters = mCameraDevice.getParameters();
}
private boolean switchToCameraMode() {
if (isFinishing() || mMediaRecorderRecording) return false;
MenuHelper.gotoCameraMode(VideoCamera.this);
finish();
return true;
}
public boolean onSwitchChanged(Switcher source, boolean onOff) {
if (onOff == SWITCH_CAMERA) {
return switchToCameraMode();
} else {
return true;
}
}
@Override
public void onConfigurationChanged(Configuration config) {
super.onConfigurationChanged(config);
// If the camera resumes behind the lock screen, the orientation
// will be portrait. That causes OOM when we try to allocation GPU
// memory for the GLSurfaceView again when the orientation changes. So,
// we delayed initialization of HeadUpDisplay until the orientation
// becomes landscape.
changeHeadUpDisplayState();
}
public void onSizeChanged() {
// TODO: update the content on GLRootView
}
private class MyHeadUpDisplayListener implements HeadUpDisplay.Listener {
public void onSharedPreferenceChanged() {
mHandler.post(new Runnable() {
public void run() {
VideoCamera.this.onSharedPreferenceChanged();
}
});
}
public void onRestorePreferencesClicked() {
mHandler.post(new Runnable() {
public void run() {
VideoCamera.this.onRestorePreferencesClicked();
}
});
}
public void onPopupWindowVisibilityChanged(final int visibility) {
}
}
private void onRestorePreferencesClicked() {
Runnable runnable = new Runnable() {
public void run() {
restorePreferences();
}
};
MenuHelper.confirmAction(this,
getString(R.string.confirm_restore_title),
getString(R.string.confirm_restore_message),
runnable);
}
private void restorePreferences() {
// Reset the zoom. Zoom value is not stored in preference.
if (mParameters.isZoomSupported()) {
mZoomValue = 0;
setCameraParameters();
if (mZoomPicker != null) mZoomPicker.setZoomIndex(0);
}
if (mHeadUpDisplay != null) {
mHeadUpDisplay.restorePreferences(mParameters);
}
if (mIndicatorWheel != null) {
mIndicatorWheel.dismissSettingPopup();
CameraSettings.restorePreferences(VideoCamera.this, mPreferences,
mParameters);
initializeIndicatorWheel();
onSharedPreferenceChanged();
}
}
private void onSharedPreferenceChanged() {
// ignore the events after "onPause()" or preview has not started yet
if (mPausing) return;
synchronized (mPreferences) {
// If mCameraDevice is not ready then we can set the parameter in
// startPreview().
if (mCameraDevice == null) return;
// Check if camera id is changed.
int cameraId = CameraSettings.readPreferredCameraId(mPreferences);
if (mCameraId != cameraId) {
// Restart the activity to have a crossfade animation.
// TODO: Use SurfaceTexture to implement a better and faster
// animation.
if (mIsVideoCaptureIntent) {
// If the intent is video capture, stay in video capture mode.
MenuHelper.gotoVideoMode(this, getIntent());
} else {
MenuHelper.gotoVideoMode(this);
}
finish();
} else {
readVideoPreferences();
// We need to restart the preview if preview size is changed.
Size size = mParameters.getPreviewSize();
if (size.width != mDesiredPreviewWidth
|| size.height != mDesiredPreviewHeight) {
mCameraDevice.stopPreview();
resizeForPreviewAspectRatio();
startPreview(); // Parameters will be set in startPreview().
} else {
setCameraParameters();
}
}
showTimeLapseUI(mCaptureTimeLapse);
}
}
private void showTimeLapseUI(boolean enable) {
if (mTimeLapseLabel != null) {
mTimeLapseLabel.setVisibility(enable ? View.VISIBLE : View.GONE);
}
if (mPreviewBorder != null) {
mPreviewBorder.setBackgroundResource(enable
? R.drawable.border_preview_time_lapse
: R.drawable.border_preview);
}
}
private void showSharePopup() {
Uri uri = mThumbnail.getUri();
if (mSharePopup == null || !uri.equals(mSharePopup.getUri())) {
mSharePopup = new SharePopup(this, uri, mThumbnail.getBitmap(),
"video/*", mOrientationCompensation, mShareButton);
}
mSharePopup.showAtLocation(mThumbnailView, Gravity.NO_GRAVITY, 0, 0);
}
private class MyIndicatorWheelListener implements IndicatorWheel.Listener {
public void onSharedPreferenceChanged() {
VideoCamera.this.onSharedPreferenceChanged();
}
public void onRestorePreferencesClicked() {
VideoCamera.this.onRestorePreferencesClicked();
}
public void onOverriddenPreferencesClicked() {
}
}
private class MyCameraPickerListener implements CameraPicker.Listener {
public void onSharedPreferenceChanged() {
VideoCamera.this.onSharedPreferenceChanged();
}
}
@Override
public boolean dispatchTouchEvent(MotionEvent m) {
// Check if the popup window should be dismissed first.
if (mPopupGestureDetector != null && mPopupGestureDetector.onTouchEvent(m)) {
return true;
}
return super.dispatchTouchEvent(m);
}
private class PopupGestureListener extends
GestureDetector.SimpleOnGestureListener {
@Override
public boolean onDown(MotionEvent e) {
// Check if the popup window is visible.
View popup = mIndicatorWheel.getActiveSettingPopup();
if (popup == null) return false;
// Let popup window or indicator wheel handle the event by
// themselves. Dismiss the popup window if users touch on other
// areas.
if (!Util.pointInView(e.getX(), e.getY(), popup)
&& !Util.pointInView(e.getX(), e.getY(), mIndicatorWheel)) {
mIndicatorWheel.dismissSettingPopup();
// Let event fall through.
}
return false;
}
}
private void initializeZoom() {
if (!mParameters.isZoomSupported()) return;
mZoomMax = mParameters.getMaxZoom();
mSmoothZoomSupported = mParameters.isSmoothZoomSupported();
if (mZoomPicker != null) {
mZoomPicker.setZoomRatios(Util.convertZoomRatios(mParameters.getZoomRatios()));
mZoomPicker.setZoomIndex(mParameters.getZoom());
mZoomPicker.setSmoothZoomSupported(mSmoothZoomSupported);
mZoomPicker.setOnZoomChangeListener(
new ZoomPicker.OnZoomChangedListener() {
// only for immediate zoom
@Override
public void onZoomValueChanged(int index) {
VideoCamera.this.onZoomValueChanged(index);
}
// only for smooth zoom
@Override
public void onZoomStateChanged(int state) {
if (mPausing) return;
Log.v(TAG, "zoom picker state=" + state);
if (state == ZoomPicker.ZOOM_IN) {
VideoCamera.this.onZoomValueChanged(mZoomMax);
} else if (state == ZoomPicker.ZOOM_OUT){
VideoCamera.this.onZoomValueChanged(0);
} else {
mTargetZoomValue = -1;
if (mZoomState == ZOOM_START) {
mZoomState = ZOOM_STOPPING;
mCameraDevice.stopSmoothZoom();
}
}
}
});
}
mCameraDevice.setZoomChangeListener(mZoomListener);
}
private final class ZoomListener
implements android.hardware.Camera.OnZoomChangeListener {
@Override
public void onZoomChange(int value, boolean stopped, android.hardware.Camera camera) {
Log.v(TAG, "Zoom changed: value=" + value + ". stopped="+ stopped);
mZoomValue = value;
// Update the UI when we get zoom value.
if (mZoomPicker != null) mZoomPicker.setZoomIndex(value);
// Keep mParameters up to date. We do not getParameter again in
// takePicture. If we do not do this, wrong zoom value will be set.
mParameters.setZoom(value);
if (stopped && mZoomState != ZOOM_STOPPED) {
if (mTargetZoomValue != -1 && value != mTargetZoomValue) {
mCameraDevice.startSmoothZoom(mTargetZoomValue);
mZoomState = ZOOM_START;
} else {
mZoomState = ZOOM_STOPPED;
}
}
}
}
private void onZoomValueChanged(int index) {
// Not useful to change zoom value when the activity is paused.
if (mPausing) return;
if (mSmoothZoomSupported) {
if (mTargetZoomValue != index && mZoomState != ZOOM_STOPPED) {
mTargetZoomValue = index;
if (mZoomState == ZOOM_START) {
mZoomState = ZOOM_STOPPING;
mCameraDevice.stopSmoothZoom();
}
} else if (mZoomState == ZOOM_STOPPED && mZoomValue != index) {
mTargetZoomValue = index;
mCameraDevice.startSmoothZoom(index);
mZoomState = ZOOM_START;
}
} else {
mZoomValue = index;
setCameraParameters();
}
}
}
|