-
Notifications
You must be signed in to change notification settings - Fork 99
/
Copy pathTabLayout.java
1966 lines (1641 loc) · 73.1 KB
/
TabLayout.java
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
package com.example.a83661.jstablayout;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ValueAnimator;
import android.animation.Animator.AnimatorListener;
import android.animation.ValueAnimator.AnimatorUpdateListener;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.database.DataSetObserver;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.LayerDrawable;
import android.graphics.drawable.RippleDrawable;
import android.os.Build.VERSION;
import android.support.annotation.BoolRes;
import android.support.annotation.ColorInt;
import android.support.annotation.ColorRes;
import android.support.annotation.Dimension;
import android.support.annotation.DrawableRes;
import android.support.annotation.LayoutRes;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.annotation.RestrictTo;
import android.support.annotation.StringRes;
import android.support.annotation.RestrictTo.Scope;
import android.support.design.R.attr;
import android.support.design.R.dimen;
import android.support.design.R.layout;
import android.support.design.R.style;
import android.support.design.R.styleable;
import android.support.design.animation.AnimationUtils;
import android.support.design.internal.ThemeEnforcement;
import android.support.design.internal.ViewUtils;
import android.support.design.resources.MaterialResources;
import android.support.design.ripple.RippleUtils;
import android.support.design.widget.TabItem;
import android.support.v4.graphics.drawable.DrawableCompat;
import android.support.v4.util.Pools.Pool;
import android.support.v4.util.Pools.SimplePool;
import android.support.v4.util.Pools.SynchronizedPool;
import android.support.v4.view.MarginLayoutParamsCompat;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.PointerIconCompat;
import android.support.v4.view.ViewCompat;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.DecorView;
import android.support.v4.view.ViewPager.OnAdapterChangeListener;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.support.v4.widget.TextViewCompat;
import android.support.v7.content.res.AppCompatResources;
import android.support.v7.widget.TooltipCompat;
import android.text.Layout;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.view.View.MeasureSpec;
import android.view.ViewGroup.MarginLayoutParams;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.HorizontalScrollView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.FrameLayout.LayoutParams;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Iterator;
@DecorView
public class TabLayout extends HorizontalScrollView {
@Dimension(
unit = 0
)
private static final int DEFAULT_HEIGHT_WITH_TEXT_ICON = 72;
@Dimension(
unit = 0
)
static final int DEFAULT_GAP_TEXT_ICON = 8;
@Dimension(
unit = 0
)
private static final int DEFAULT_HEIGHT = 48;
@Dimension(
unit = 0
)
private static final int TAB_MIN_WIDTH_MARGIN = 56;
@Dimension(
unit = 0
)
private static final int MIN_INDICATOR_WIDTH = 24;
@Dimension(
unit = 0
)
static final int FIXED_WRAP_GUTTER_MIN = 16;
private static final int INVALID_WIDTH = -1;
private static final int ANIMATION_DURATION = 300;
private static final Pool<TabLayout.Tab> tabPool = new SynchronizedPool(16);
public static final int MODE_SCROLLABLE = 0;
public static final int MODE_FIXED = 1;
public static final int GRAVITY_FILL = 0;
public static final int GRAVITY_CENTER = 1;
public static final int INDICATOR_GRAVITY_BOTTOM = 0;
public static final int INDICATOR_GRAVITY_CENTER = 1;
public static final int INDICATOR_GRAVITY_TOP = 2;
public static final int INDICATOR_GRAVITY_STRETCH = 3;
private final ArrayList<TabLayout.Tab> tabs;
private TabLayout.Tab selectedTab;
private final RectF tabViewContentBounds;
private final TabLayout.SlidingTabIndicator slidingTabIndicator;
int tabPaddingStart;
int tabPaddingTop;
int tabPaddingEnd;
int tabPaddingBottom;
int tabTextAppearance;
ColorStateList tabTextColors;
ColorStateList tabIconTint;
ColorStateList tabRippleColorStateList;
@Nullable
Drawable tabSelectedIndicator;
android.graphics.PorterDuff.Mode tabIconTintMode;
float tabTextSize;
float tabTextMultiLineSize;
final int tabBackgroundResId;
int tabMaxWidth;
private final int requestedTabMinWidth;
private final int requestedTabMaxWidth;
private final int scrollableTabMinWidth;
private int contentInsetStart;
int tabGravity;
int tabIndicatorAnimationDuration;
int tabIndicatorGravity;
int mode;
boolean inlineLabel;
boolean tabIndicatorFullWidth;
boolean unboundedRipple;
private TabLayout.BaseOnTabSelectedListener selectedListener;
private final ArrayList<TabLayout.BaseOnTabSelectedListener> selectedListeners;
private TabLayout.BaseOnTabSelectedListener currentVpSelectedListener;
private ValueAnimator scrollAnimator;
ViewPager viewPager;
private PagerAdapter pagerAdapter;
private DataSetObserver pagerAdapterObserver;
private TabLayout.TabLayoutOnPageChangeListener pageChangeListener;
private TabLayout.AdapterChangeListener adapterChangeListener;
private boolean setupViewPagerImplicitly;
private final Pool<TabLayout.TabView> tabViewPool;
public TabLayout(Context context) {
this(context, (AttributeSet)null);
}
public TabLayout(Context context, AttributeSet attrs) {
this(context, attrs, attr.tabStyle);
}
@SuppressLint("RestrictedApi")
public TabLayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
this.tabs = new ArrayList();
this.tabViewContentBounds = new RectF();
this.tabMaxWidth = 2147483647;
this.selectedListeners = new ArrayList();
this.tabViewPool = new SimplePool(12);
this.setHorizontalScrollBarEnabled(false);
this.slidingTabIndicator = new TabLayout.SlidingTabIndicator(context);
super.addView(this.slidingTabIndicator, 0, new LayoutParams(-2, -1));
TypedArray a = ThemeEnforcement.obtainStyledAttributes(context, attrs, styleable.TabLayout, defStyleAttr, style.Widget_Design_TabLayout, new int[]{styleable.TabLayout_tabTextAppearance});
this.slidingTabIndicator.setSelectedIndicatorHeight(a.getDimensionPixelSize(styleable.TabLayout_tabIndicatorHeight, -1));
this.slidingTabIndicator.setSelectedIndicatorColor(a.getColor(styleable.TabLayout_tabIndicatorColor, 0));
this.setSelectedTabIndicator(MaterialResources.getDrawable(context, a, styleable.TabLayout_tabIndicator));
this.setSelectedTabIndicatorGravity(a.getInt(styleable.TabLayout_tabIndicatorGravity, 0));
this.setTabIndicatorFullWidth(a.getBoolean(styleable.TabLayout_tabIndicatorFullWidth, true));
this.tabPaddingStart = this.tabPaddingTop = this.tabPaddingEnd = this.tabPaddingBottom = a.getDimensionPixelSize(styleable.TabLayout_tabPadding, 0);
this.tabPaddingStart = a.getDimensionPixelSize(styleable.TabLayout_tabPaddingStart, this.tabPaddingStart);
this.tabPaddingTop = a.getDimensionPixelSize(styleable.TabLayout_tabPaddingTop, this.tabPaddingTop);
this.tabPaddingEnd = a.getDimensionPixelSize(styleable.TabLayout_tabPaddingEnd, this.tabPaddingEnd);
this.tabPaddingBottom = a.getDimensionPixelSize(styleable.TabLayout_tabPaddingBottom, this.tabPaddingBottom);
this.tabTextAppearance = a.getResourceId(styleable.TabLayout_tabTextAppearance, style.TextAppearance_Design_Tab);
TypedArray ta = context.obtainStyledAttributes(this.tabTextAppearance, android.support.v7.appcompat.R.styleable.TextAppearance);
try {
this.tabTextSize = (float)ta.getDimensionPixelSize(android.support.v7.appcompat.R.styleable.TextAppearance_android_textSize, 0);
this.tabTextColors = MaterialResources.getColorStateList(context, ta, android.support.v7.appcompat.R.styleable.TextAppearance_android_textColor);
} finally {
ta.recycle();
}
if (a.hasValue(styleable.TabLayout_tabTextColor)) {
this.tabTextColors = MaterialResources.getColorStateList(context, a, styleable.TabLayout_tabTextColor);
}
if (a.hasValue(styleable.TabLayout_tabSelectedTextColor)) {
int selected = a.getColor(styleable.TabLayout_tabSelectedTextColor, 0);
this.tabTextColors = createColorStateList(this.tabTextColors.getDefaultColor(), selected);
}
this.tabIconTint = MaterialResources.getColorStateList(context, a, styleable.TabLayout_tabIconTint);
this.tabIconTintMode = ViewUtils.parseTintMode(a.getInt(styleable.TabLayout_tabIconTintMode, -1), (android.graphics.PorterDuff.Mode)null);
this.tabRippleColorStateList = MaterialResources.getColorStateList(context, a, styleable.TabLayout_tabRippleColor);
this.tabIndicatorAnimationDuration = a.getInt(styleable.TabLayout_tabIndicatorAnimationDuration, 300);
this.requestedTabMinWidth = a.getDimensionPixelSize(styleable.TabLayout_tabMinWidth, -1);
this.requestedTabMaxWidth = a.getDimensionPixelSize(styleable.TabLayout_tabMaxWidth, -1);
this.tabBackgroundResId = a.getResourceId(styleable.TabLayout_tabBackground, 0);
this.contentInsetStart = a.getDimensionPixelSize(styleable.TabLayout_tabContentStart, 0);
this.mode = a.getInt(styleable.TabLayout_tabMode, 1);
this.tabGravity = a.getInt(styleable.TabLayout_tabGravity, 0);
this.inlineLabel = a.getBoolean(styleable.TabLayout_tabInlineLabel, false);
this.unboundedRipple = a.getBoolean(styleable.TabLayout_tabUnboundedRipple, false);
a.recycle();
Resources res = this.getResources();
this.tabTextMultiLineSize = (float)res.getDimensionPixelSize(dimen.design_tab_text_size_2line);
this.scrollableTabMinWidth = res.getDimensionPixelSize(dimen.design_tab_scrollable_min_width);
this.applyModeAndGravity();
}
public void setSelectedTabIndicatorColor(@ColorInt int color) {
this.slidingTabIndicator.setSelectedIndicatorColor(color);
}
/** @deprecated */
@Deprecated
public void setSelectedTabIndicatorHeight(int height) {
this.slidingTabIndicator.setSelectedIndicatorHeight(height);
}
public void setScrollPosition(int position, float positionOffset, boolean updateSelectedText) {
this.setScrollPosition(position, positionOffset, updateSelectedText, true);
}
void setScrollPosition(int position, float positionOffset, boolean updateSelectedText, boolean updateIndicatorPosition) {
int roundedPosition = Math.round((float)position + positionOffset);
if (roundedPosition >= 0 && roundedPosition < this.slidingTabIndicator.getChildCount()) {
if (updateIndicatorPosition) {
this.slidingTabIndicator.setIndicatorPositionFromTabPosition(position, positionOffset);
}
if (this.scrollAnimator != null && this.scrollAnimator.isRunning()) {
this.scrollAnimator.cancel();
}
this.scrollTo(this.calculateScrollXForTab(position, positionOffset), 0);
if (updateSelectedText) {
this.setSelectedTabView(roundedPosition);
}
}
}
public void addTab(@NonNull TabLayout.Tab tab) {
this.addTab(tab, this.tabs.isEmpty());
}
public void addTab(@NonNull TabLayout.Tab tab, int position) {
this.addTab(tab, position, this.tabs.isEmpty());
}
public void addTab(@NonNull TabLayout.Tab tab, boolean setSelected) {
this.addTab(tab, this.tabs.size(), setSelected);
}
public void addTab(@NonNull TabLayout.Tab tab, int position, boolean setSelected) {
if (tab.parent != this) {
throw new IllegalArgumentException("Tab belongs to a different TabLayout.");
} else {
this.configureTab(tab, position);
this.addTabView(tab);
if (setSelected) {
tab.select();
}
}
}
private void addTabFromItemView(@NonNull TabItem item) {
TabLayout.Tab tab = this.newTab();
if (item.text != null) {
tab.setText(item.text);
}
if (item.icon != null) {
tab.setIcon(item.icon);
}
if (item.customLayout != 0) {
tab.setCustomView(item.customLayout);
}
if (!TextUtils.isEmpty(item.getContentDescription())) {
tab.setContentDescription(item.getContentDescription());
}
this.addTab(tab);
}
/** @deprecated */
@Deprecated
public void setOnTabSelectedListener(@Nullable TabLayout.BaseOnTabSelectedListener listener) {
if (this.selectedListener != null) {
this.removeOnTabSelectedListener(this.selectedListener);
}
this.selectedListener = listener;
if (listener != null) {
this.addOnTabSelectedListener(listener);
}
}
public void addOnTabSelectedListener(@NonNull TabLayout.BaseOnTabSelectedListener listener) {
if (!this.selectedListeners.contains(listener)) {
this.selectedListeners.add(listener);
}
}
public void removeOnTabSelectedListener(@NonNull TabLayout.BaseOnTabSelectedListener listener) {
this.selectedListeners.remove(listener);
}
public void clearOnTabSelectedListeners() {
this.selectedListeners.clear();
}
@NonNull
public TabLayout.Tab newTab() {
TabLayout.Tab tab = this.createTabFromPool();
tab.parent = this;
tab.view = this.createTabView(tab);
return tab;
}
protected TabLayout.Tab createTabFromPool() {
TabLayout.Tab tab = (TabLayout.Tab)tabPool.acquire();
if (tab == null) {
tab = new TabLayout.Tab();
}
return tab;
}
protected boolean releaseFromTabPool(TabLayout.Tab tab) {
return tabPool.release(tab);
}
public int getTabCount() {
return this.tabs.size();
}
@Nullable
public TabLayout.Tab getTabAt(int index) {
return index >= 0 && index < this.getTabCount() ? (TabLayout.Tab)this.tabs.get(index) : null;
}
public int getSelectedTabPosition() {
return this.selectedTab != null ? this.selectedTab.getPosition() : -1;
}
public void removeTab(TabLayout.Tab tab) {
if (tab.parent != this) {
throw new IllegalArgumentException("Tab does not belong to this TabLayout.");
} else {
this.removeTabAt(tab.getPosition());
}
}
public void removeTabAt(int position) {
int selectedTabPosition = this.selectedTab != null ? this.selectedTab.getPosition() : 0;
this.removeTabViewAt(position);
TabLayout.Tab removedTab = (TabLayout.Tab)this.tabs.remove(position);
if (removedTab != null) {
removedTab.reset();
this.releaseFromTabPool(removedTab);
}
int newTabCount = this.tabs.size();
for(int i = position; i < newTabCount; ++i) {
((TabLayout.Tab)this.tabs.get(i)).setPosition(i);
}
if (selectedTabPosition == position) {
this.selectTab(this.tabs.isEmpty() ? null : (TabLayout.Tab)this.tabs.get(Math.max(0, position - 1)));
}
}
public void removeAllTabs() {
for(int i = this.slidingTabIndicator.getChildCount() - 1; i >= 0; --i) {
this.removeTabViewAt(i);
}
Iterator i = this.tabs.iterator();
while(i.hasNext()) {
TabLayout.Tab tab = (TabLayout.Tab)i.next();
i.remove();
tab.reset();
this.releaseFromTabPool(tab);
}
this.selectedTab = null;
}
public void setTabMode(int mode) {
if (mode != this.mode) {
this.mode = mode;
this.applyModeAndGravity();
}
}
public int getTabMode() {
return this.mode;
}
public void setTabGravity(int gravity) {
if (this.tabGravity != gravity) {
this.tabGravity = gravity;
this.applyModeAndGravity();
}
}
public int getTabGravity() {
return this.tabGravity;
}
public void setSelectedTabIndicatorGravity(int indicatorGravity) {
if (this.tabIndicatorGravity != indicatorGravity) {
this.tabIndicatorGravity = indicatorGravity;
ViewCompat.postInvalidateOnAnimation(this.slidingTabIndicator);
}
}
public int getTabIndicatorGravity() {
return this.tabIndicatorGravity;
}
public void setTabIndicatorFullWidth(boolean tabIndicatorFullWidth) {
this.tabIndicatorFullWidth = tabIndicatorFullWidth;
ViewCompat.postInvalidateOnAnimation(this.slidingTabIndicator);
}
public boolean isTabIndicatorFullWidth() {
return this.tabIndicatorFullWidth;
}
public void setInlineLabel(boolean inline) {
if (this.inlineLabel != inline) {
this.inlineLabel = inline;
for(int i = 0; i < this.slidingTabIndicator.getChildCount(); ++i) {
View child = this.slidingTabIndicator.getChildAt(i);
if (child instanceof TabLayout.TabView) {
((TabLayout.TabView)child).updateOrientation();
}
}
this.applyModeAndGravity();
}
}
public void setInlineLabelResource(@BoolRes int inlineResourceId) {
this.setInlineLabel(this.getResources().getBoolean(inlineResourceId));
}
public boolean isInlineLabel() {
return this.inlineLabel;
}
public void setUnboundedRipple(boolean unboundedRipple) {
if (this.unboundedRipple != unboundedRipple) {
this.unboundedRipple = unboundedRipple;
for(int i = 0; i < this.slidingTabIndicator.getChildCount(); ++i) {
View child = this.slidingTabIndicator.getChildAt(i);
if (child instanceof TabLayout.TabView) {
((TabLayout.TabView)child).updateBackgroundDrawable(this.getContext());
}
}
}
}
public void setUnboundedRippleResource(@BoolRes int unboundedRippleResourceId) {
this.setUnboundedRipple(this.getResources().getBoolean(unboundedRippleResourceId));
}
public boolean hasUnboundedRipple() {
return this.unboundedRipple;
}
public void setTabTextColors(@Nullable ColorStateList textColor) {
if (this.tabTextColors != textColor) {
this.tabTextColors = textColor;
this.updateAllTabs();
}
}
@Nullable
public ColorStateList getTabTextColors() {
return this.tabTextColors;
}
public void setTabTextColors(int normalColor, int selectedColor) {
this.setTabTextColors(createColorStateList(normalColor, selectedColor));
}
public void setTabIconTint(@Nullable ColorStateList iconTint) {
if (this.tabIconTint != iconTint) {
this.tabIconTint = iconTint;
this.updateAllTabs();
}
}
public void setTabIconTintResource(@ColorRes int iconTintResourceId) {
this.setTabIconTint(AppCompatResources.getColorStateList(this.getContext(), iconTintResourceId));
}
@Nullable
public ColorStateList getTabIconTint() {
return this.tabIconTint;
}
@Nullable
public ColorStateList getTabRippleColor() {
return this.tabRippleColorStateList;
}
public void setTabRippleColor(@Nullable ColorStateList color) {
if (this.tabRippleColorStateList != color) {
this.tabRippleColorStateList = color;
for(int i = 0; i < this.slidingTabIndicator.getChildCount(); ++i) {
View child = this.slidingTabIndicator.getChildAt(i);
if (child instanceof TabLayout.TabView) {
((TabLayout.TabView)child).updateBackgroundDrawable(this.getContext());
}
}
}
}
public void setTabRippleColorResource(@ColorRes int tabRippleColorResourceId) {
this.setTabRippleColor(AppCompatResources.getColorStateList(this.getContext(), tabRippleColorResourceId));
}
@Nullable
public Drawable getTabSelectedIndicator() {
return this.tabSelectedIndicator;
}
public void setSelectedTabIndicator(@Nullable Drawable tabSelectedIndicator) {
if (this.tabSelectedIndicator != tabSelectedIndicator) {
this.tabSelectedIndicator = tabSelectedIndicator;
ViewCompat.postInvalidateOnAnimation(this.slidingTabIndicator);
}
}
public void setSelectedTabIndicator(@DrawableRes int tabSelectedIndicatorResourceId) {
if (tabSelectedIndicatorResourceId != 0) {
this.setSelectedTabIndicator(AppCompatResources.getDrawable(this.getContext(), tabSelectedIndicatorResourceId));
} else {
this.setSelectedTabIndicator((Drawable)null);
}
}
public void setupWithViewPager(@Nullable ViewPager viewPager) {
this.setupWithViewPager(viewPager, true);
}
public void setupWithViewPager(@Nullable ViewPager viewPager, boolean autoRefresh) {
this.setupWithViewPager(viewPager, autoRefresh, false);
}
private void setupWithViewPager(@Nullable ViewPager viewPager, boolean autoRefresh, boolean implicitSetup) {
if (this.viewPager != null) {
if (this.pageChangeListener != null) {
this.viewPager.removeOnPageChangeListener(this.pageChangeListener);
}
if (this.adapterChangeListener != null) {
this.viewPager.removeOnAdapterChangeListener(this.adapterChangeListener);
}
}
if (this.currentVpSelectedListener != null) {
this.removeOnTabSelectedListener(this.currentVpSelectedListener);
this.currentVpSelectedListener = null;
}
if (viewPager != null) {
this.viewPager = viewPager;
if (this.pageChangeListener == null) {
this.pageChangeListener = new TabLayout.TabLayoutOnPageChangeListener(this);
}
this.pageChangeListener.reset();
viewPager.addOnPageChangeListener(this.pageChangeListener);
this.currentVpSelectedListener = new TabLayout.ViewPagerOnTabSelectedListener(viewPager);
this.addOnTabSelectedListener(this.currentVpSelectedListener);
PagerAdapter adapter = viewPager.getAdapter();
if (adapter != null) {
this.setPagerAdapter(adapter, autoRefresh);
}
if (this.adapterChangeListener == null) {
this.adapterChangeListener = new TabLayout.AdapterChangeListener();
}
this.adapterChangeListener.setAutoRefresh(autoRefresh);
viewPager.addOnAdapterChangeListener(this.adapterChangeListener);
this.setScrollPosition(viewPager.getCurrentItem(), 0.0F, true);
} else {
this.viewPager = null;
this.setPagerAdapter((PagerAdapter)null, false);
}
this.setupViewPagerImplicitly = implicitSetup;
}
/** @deprecated */
@Deprecated
public void setTabsFromPagerAdapter(@Nullable PagerAdapter adapter) {
this.setPagerAdapter(adapter, false);
}
public boolean shouldDelayChildPressedState() {
return this.getTabScrollRange() > 0;
}
protected void onAttachedToWindow() {
super.onAttachedToWindow();
if (this.viewPager == null) {
ViewParent vp = this.getParent();
if (vp instanceof ViewPager) {
this.setupWithViewPager((ViewPager)vp, true, true);
}
}
}
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
if (this.setupViewPagerImplicitly) {
this.setupWithViewPager((ViewPager)null);
this.setupViewPagerImplicitly = false;
}
}
private int getTabScrollRange() {
return Math.max(0, this.slidingTabIndicator.getWidth() - this.getWidth() - this.getPaddingLeft() - this.getPaddingRight());
}
void setPagerAdapter(@Nullable PagerAdapter adapter, boolean addObserver) {
if (this.pagerAdapter != null && this.pagerAdapterObserver != null) {
this.pagerAdapter.unregisterDataSetObserver(this.pagerAdapterObserver);
}
this.pagerAdapter = adapter;
if (addObserver && adapter != null) {
if (this.pagerAdapterObserver == null) {
this.pagerAdapterObserver = new TabLayout.PagerAdapterObserver();
}
adapter.registerDataSetObserver(this.pagerAdapterObserver);
}
this.populateFromPagerAdapter();
}
void populateFromPagerAdapter() {
this.removeAllTabs();
if (this.pagerAdapter != null) {
int adapterCount = this.pagerAdapter.getCount();
int curItem;
for(curItem = 0; curItem < adapterCount; ++curItem) {
this.addTab(this.newTab().setText(this.pagerAdapter.getPageTitle(curItem)), false);
}
if (this.viewPager != null && adapterCount > 0) {
curItem = this.viewPager.getCurrentItem();
if (curItem != this.getSelectedTabPosition() && curItem < this.getTabCount()) {
this.selectTab(this.getTabAt(curItem));
}
}
}
}
private void updateAllTabs() {
int i = 0;
for(int z = this.tabs.size(); i < z; ++i) {
((TabLayout.Tab)this.tabs.get(i)).updateView();
}
}
private TabLayout.TabView createTabView(@NonNull TabLayout.Tab tab) {
TabLayout.TabView tabView = this.tabViewPool != null ? (TabLayout.TabView)this.tabViewPool.acquire() : null;
if (tabView == null) {
tabView = new TabLayout.TabView(this.getContext());
}
tabView.setTab(tab);
tabView.setFocusable(true);
tabView.setMinimumWidth(this.getTabMinWidth());
if (TextUtils.isEmpty(tab.contentDesc)) {
tabView.setContentDescription(tab.text);
} else {
tabView.setContentDescription(tab.contentDesc);
}
return tabView;
}
private void configureTab(TabLayout.Tab tab, int position) {
tab.setPosition(position);
this.tabs.add(position, tab);
int count = this.tabs.size();
for(int i = position + 1; i < count; ++i) {
((TabLayout.Tab)this.tabs.get(i)).setPosition(i);
}
}
private void addTabView(TabLayout.Tab tab) {
TabLayout.TabView tabView = tab.view;
this.slidingTabIndicator.addView(tabView, tab.getPosition(), this.createLayoutParamsForTabs());
}
public void addView(View child) {
this.addViewInternal(child);
}
public void addView(View child, int index) {
this.addViewInternal(child);
}
public void addView(View child, android.view.ViewGroup.LayoutParams params) {
this.addViewInternal(child);
}
public void addView(View child, int index, android.view.ViewGroup.LayoutParams params) {
this.addViewInternal(child);
}
private void addViewInternal(View child) {
if (child instanceof TabItem) {
this.addTabFromItemView((TabItem)child);
} else {
throw new IllegalArgumentException("Only TabItem instances can be added to TabLayout");
}
}
private android.widget.LinearLayout.LayoutParams createLayoutParamsForTabs() {
android.widget.LinearLayout.LayoutParams lp = new android.widget.LinearLayout.LayoutParams(-2, -1);
this.updateTabViewLayoutParams(lp);
return lp;
}
private void updateTabViewLayoutParams(android.widget.LinearLayout.LayoutParams lp) {
if (this.mode == 1 && this.tabGravity == 0) {
lp.width = 0;
lp.weight = 1.0F;
} else {
lp.width = -2;
lp.weight = 0.0F;
}
}
@Dimension(
unit = 1
)
int dpToPx(@Dimension(unit = 0) int dps) {
return Math.round(this.getResources().getDisplayMetrics().density * (float)dps);
}
protected void onDraw(Canvas canvas) {
for(int i = 0; i < this.slidingTabIndicator.getChildCount(); ++i) {
View tabView = this.slidingTabIndicator.getChildAt(i);
if (tabView instanceof TabLayout.TabView) {
((TabLayout.TabView)tabView).drawBackground(canvas);
}
}
super.onDraw(canvas);
}
@SuppressLint("WrongConstant")
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int idealHeight = this.dpToPx(this.getDefaultHeight()) + this.getPaddingTop() + this.getPaddingBottom();
switch(MeasureSpec.getMode(heightMeasureSpec)) {
case -2147483648:
heightMeasureSpec = MeasureSpec.makeMeasureSpec(Math.min(idealHeight, MeasureSpec.getSize(heightMeasureSpec)), 1073741824);
break;
case 0:
heightMeasureSpec = MeasureSpec.makeMeasureSpec(idealHeight, 1073741824);
}
int specWidth = MeasureSpec.getSize(widthMeasureSpec);
if (MeasureSpec.getMode(widthMeasureSpec) != 0) {
this.tabMaxWidth = this.requestedTabMaxWidth > 0 ? this.requestedTabMaxWidth : specWidth - this.dpToPx(56);
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
if (this.getChildCount() == 1) {
View child = this.getChildAt(0);
boolean remeasure = false;
switch(this.mode) {
case 0:
remeasure = child.getMeasuredWidth() < this.getMeasuredWidth();
break;
case 1:
remeasure = child.getMeasuredWidth() != this.getMeasuredWidth();
}
if (remeasure) {
int childHeightMeasureSpec = getChildMeasureSpec(heightMeasureSpec, this.getPaddingTop() + this.getPaddingBottom(), child.getLayoutParams().height);
int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(this.getMeasuredWidth(), 1073741824);
child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
}
}
}
private void removeTabViewAt(int position) {
TabLayout.TabView view = (TabLayout.TabView)this.slidingTabIndicator.getChildAt(position);
this.slidingTabIndicator.removeViewAt(position);
if (view != null) {
view.reset();
this.tabViewPool.release(view);
}
this.requestLayout();
}
private void animateToTab(int newPosition) {
if (newPosition != -1) {
if (this.getWindowToken() != null && ViewCompat.isLaidOut(this) && !this.slidingTabIndicator.childrenNeedLayout()) {
int startScrollX = this.getScrollX();
int targetScrollX = this.calculateScrollXForTab(newPosition, 0.0F);
if (startScrollX != targetScrollX) {
this.ensureScrollAnimator();
this.scrollAnimator.setIntValues(new int[]{startScrollX, targetScrollX});
this.scrollAnimator.start();
}
this.slidingTabIndicator.animateIndicatorToPosition(newPosition, this.tabIndicatorAnimationDuration);
} else {
this.setScrollPosition(newPosition, 0.0F, true);
}
}
}
private void ensureScrollAnimator() {
if (this.scrollAnimator == null) {
this.scrollAnimator = new ValueAnimator();
this.scrollAnimator.setInterpolator(AnimationUtils.FAST_OUT_SLOW_IN_INTERPOLATOR);
this.scrollAnimator.setDuration((long)this.tabIndicatorAnimationDuration);
this.scrollAnimator.addUpdateListener(new AnimatorUpdateListener() {
public void onAnimationUpdate(ValueAnimator animator) {
TabLayout.this.scrollTo((Integer)animator.getAnimatedValue(), 0);
}
});
}
}
void setScrollAnimatorListener(AnimatorListener listener) {
this.ensureScrollAnimator();
this.scrollAnimator.addListener(listener);
}
private void setSelectedTabView(int position) {
int tabCount = this.slidingTabIndicator.getChildCount();
if (position < tabCount) {
for(int i = 0; i < tabCount; ++i) {
View child = this.slidingTabIndicator.getChildAt(i);
child.setSelected(i == position);
child.setActivated(i == position);
}
}
}
void selectTab(TabLayout.Tab tab) {
this.selectTab(tab, true);
}
void selectTab(TabLayout.Tab tab, boolean updateIndicator) {
TabLayout.Tab currentTab = this.selectedTab;
if (currentTab == tab) {
if (currentTab != null) {
this.dispatchTabReselected(tab);
this.animateToTab(tab.getPosition());
}
} else {
int newPosition = tab != null ? tab.getPosition() : -1;
if (updateIndicator) {
if ((currentTab == null || currentTab.getPosition() == -1) && newPosition != -1) {
this.setScrollPosition(newPosition, 0.0F, true);
} else {
this.animateToTab(newPosition);
}
if (newPosition != -1) {
this.setSelectedTabView(newPosition);
}
}
this.selectedTab = tab;
if (currentTab != null) {
this.dispatchTabUnselected(currentTab);
}
if (tab != null) {
this.dispatchTabSelected(tab);
}
}
}
private void dispatchTabSelected(@NonNull TabLayout.Tab tab) {
for(int i = this.selectedListeners.size() - 1; i >= 0; --i) {
((TabLayout.BaseOnTabSelectedListener)this.selectedListeners.get(i)).onTabSelected(tab);
}
}
private void dispatchTabUnselected(@NonNull TabLayout.Tab tab) {
for(int i = this.selectedListeners.size() - 1; i >= 0; --i) {
((TabLayout.BaseOnTabSelectedListener)this.selectedListeners.get(i)).onTabUnselected(tab);
}
}
private void dispatchTabReselected(@NonNull TabLayout.Tab tab) {
for(int i = this.selectedListeners.size() - 1; i >= 0; --i) {
((TabLayout.BaseOnTabSelectedListener)this.selectedListeners.get(i)).onTabReselected(tab);
}
}
private int calculateScrollXForTab(int position, float positionOffset) {
if (this.mode == 0) {
View selectedChild = this.slidingTabIndicator.getChildAt(position);
View nextChild = position + 1 < this.slidingTabIndicator.getChildCount() ? this.slidingTabIndicator.getChildAt(position + 1) : null;
int selectedWidth = selectedChild != null ? selectedChild.getWidth() : 0;
int nextWidth = nextChild != null ? nextChild.getWidth() : 0;
int scrollBase = selectedChild.getLeft() + selectedWidth / 2 - this.getWidth() / 2;
int scrollOffset = (int)((float)(selectedWidth + nextWidth) * 0.5F * positionOffset);
return ViewCompat.getLayoutDirection(this) == 0 ? scrollBase + scrollOffset : scrollBase - scrollOffset;
} else {
return 0;
}
}
private void applyModeAndGravity() {
int paddingStart = 0;
if (this.mode == 0) {
paddingStart = Math.max(0, this.contentInsetStart - this.tabPaddingStart);
}
ViewCompat.setPaddingRelative(this.slidingTabIndicator, paddingStart, 0, 0, 0);
switch(this.mode) {
case 0:
this.slidingTabIndicator.setGravity(8388611);
break;
case 1:
this.slidingTabIndicator.setGravity(1);
}
this.updateTabViews(true);
}
void updateTabViews(boolean requestLayout) {