在DrawerLayout小案例的基础上添加了底部切换标签的功能

int anim abc_fade_in 0x7f050000 int anim abc_fade_out 0x7f050001 int anim abc_grow_fade_in_from_bottom 0x7f050002 int anim abc_popup_enter 0x7f050003 int anim abc_popup_exit 0x7f050004 int anim abc_shrink_fade_out_from_bottom 0x7f050005 int anim abc_slide_in_bottom 0x7f050006 int anim abc_slide_in_top 0x7f050007 int anim abc_slide_out_bottom 0x7f050008 int anim abc_slide_out_top 0x7f050009 int attr actionBarDivider 0x7f01006c int attr actionBarItemBackground 0x7f01006d int attr actionBarPopupTheme 0x7f010066 int attr actionBarSize 0x7f01006b int attr actionBarSplitStyle 0x7f010068 int attr actionBarStyle 0x7f010067 int attr actionBarTabBarStyle 0x7f010062 int attr actionBarTabStyle 0x7f010061 int attr actionBarTabTextStyle 0x7f010063 int attr actionBarTheme 0x7f010069 int attr actionBarWidgetTheme 0x7f01006a int attr actionButtonStyle 0x7f010087 int attr actionDropDownStyle 0x7f010083 int attr actionLayout 0x7f0100d8 int attr actionMenuTextAppearance 0x7f01006e int attr actionMenuTextColor 0x7f01006f int attr actionModeBackground 0x7f010072 int attr actionModeCloseButtonStyle 0x7f010071 int attr actionModeCloseDrawable 0x7f010074 int attr actionModeCopyDrawable 0x7f010076 int attr actionModeCutDrawable 0x7f010075 int attr actionModeFindDrawable 0x7f01007a int attr actionModePasteDrawable 0x7f010077 int attr actionModePopupWindowStyle 0x7f01007c int attr actionModeSelectAllDrawable 0x7f010078 int attr actionModeShareDrawable 0x7f010079 int attr actionModeSplitBackground 0x7f010073 int attr actionModeStyle 0x7f010070 int attr actionModeWebSearchDrawable 0x7f01007b int attr actionOverflowButtonStyle 0x7f010064 int attr actionOverflowMenuStyle 0x7f010065 int attr actionProviderClass 0x7f0100da int attr actionViewClass 0x7f0100d9 int attr activityChooserViewStyle 0x7f01008f int attr alertDialogButtonGroupStyle 0x7f0100b3 int attr alertDialogCenterButtons 0x7f0100b4 int attr alertDialogStyle 0x7f0100b2 int attr alertDialogTheme 0x7f0100b5 int attr allowStacking 0x7f0100c8 int attr alpha 0x7f0100c9 int attr arrowHeadLength 0x7f0100d0 int attr arrowShaftLength 0x7f0100d1 int attr autoCompleteTextViewStyle 0x7f0100ba int attr background 0x7f010038 int attr backgroundSplit 0x7f01003a int attr backgroundStacked 0x7f010039 int attr backgroundTint 0x7f01010b int attr backgroundTintMode 0x7f01010c int attr barLength 0x7f0100d2 int attr borderlessButtonStyle 0x7f01008c int attr buttonBarButtonStyle 0x7f010089 int attr buttonBarNegativeButtonStyle 0x7f0100b8 int attr buttonBarNeutralButtonStyle 0x7f0100b9 int attr buttonBarPositiveButtonStyle 0x7f0100b7 int attr buttonBarStyle 0x7f010088 int attr buttonGravity 0x7f010100 int attr buttonPanelSideLayout 0x7f01004d int attr buttonStyle 0x7f0100bb int attr buttonStyleSmall 0x7f0100bc int attr buttonTint 0x7f0100ca int attr buttonTintMode 0x7f0100cb int attr checkboxStyle 0x7f0100bd int attr checkedTextViewStyle 0x7f0100be int attr closeIcon 0x7f0100e3 int attr closeItemLayout 0x7f01004a int attr collapseContentDescription 0x7f010102 int attr collapseIcon 0x7f010101 int attr color 0x7f0100cc int attr colorAccent 0x7f0100aa int attr colorBackgroundFloating 0x7f0100b1 int attr colorButtonNormal 0x7f0100ae int attr colorControlActivated 0x7f0100ac int attr colorControlHighlight 0x7f0100ad int attr colorControlNormal 0x7f0100ab int attr colorPrimary 0x7f0100a8 int attr colorPrimaryDark 0x7f0100a9 int attr colorSwitchThumbNormal 0x7f0100af int attr commitIcon 0x7f0100e8 int attr constraintSet 0x7f010000 int attr contentInsetEnd 0x7f010043 int attr contentInsetEndWithActions 0x7f010047 int attr contentInsetLeft 0x7f010044 int attr contentInsetRight 0x7f010045 int attr contentInsetStart 0x7f010042 int attr contentInsetStartWithNavigation 0x7f010046 int attr controlBackground 0x7f0100b0 int attr customNavigationLayout 0x7f01003b int attr defaultQueryHint 0x7f0100e2 int attr dialogPreferredPadding 0x7f010081 int attr dialogTheme 0x7f010080 int attr displayOptions 0x7f010031 int attr divider 0x7f010037 int attr dividerHorizontal 0x7f01008e int attr dividerPadding 0x7f0100d6 int attr dividerVertical 0x7f01008d int attr drawableSize 0x7f0100ce int attr drawerArrowStyle 0x7f010001 int attr dropDownListViewStyle 0x7f0100a0 int attr dropdownListPreferredItemHeight 0x7f010084 int attr editTextBackground 0x7f010095 int attr editTextColor 0x7f010094 int attr editTextStyle 0x7f0100bf int attr elevation 0x7f010048 int attr expandActivityOverflowButtonDrawable 0x7f01004c int attr gapBetweenBars 0x7f0100cf int attr goIcon 0x7f0100e4 int attr height 0x7f010002 int attr hideOnContentScroll 0x7f010041 int attr homeAsUpIndicator 0x7f010086 int attr homeLayout 0x7f01003c int attr icon 0x7f010035 int attr iconifiedByDefault 0x7f0100e0 int attr imageButtonStyle 0x7f010096 int attr indeterminateProgressStyle 0x7f01003e int attr initialActivityCount 0x7f01004b int attr isLightTheme 0x7f010003 int attr itemPadding 0x7f010040 int attr layout 0x7f0100df int attr layout_constraintBaseline_creator 0x7f010004 int attr layout_constraintBaseline_toBaselineOf 0x7f010005 int attr layout_constraintBottom_creator 0x7f010006 int attr layout_constraintBottom_toBottomOf 0x7f010007 int attr layout_constraintBottom_toTopOf 0x7f010008 int attr layout_constraintDimensionRatio 0x7f010009 int attr layout_constraintEnd_toEndOf 0x7f01000a int attr layout_constraintEnd_toStartOf 0x7f01000b int attr layout_constraintGuide_begin 0x7f01000c int attr layout_constraintGuide_end 0x7f01000d int attr layout_constraintGuide_percent 0x7f01000e int attr layout_constraintHeight_default 0x7f01000f int attr layout_constraintHeight_max 0x7f010010 int attr layout_constraintHeight_min 0x7f010011 int attr layout_constraintHorizontal_bias 0x7f010012 int attr layout_constraintHorizontal_chainStyle 0x7f010013 int attr layout_constraintHorizontal_weight 0x7f010014 int attr layout_constraintLeft_creator 0x7f010015 int attr layout_constraintLeft_toLeftOf 0x7f010016 int attr layout_constraintLeft_toRightOf 0x7f010017 int attr layout_constraintRight_creator 0x7f010018 int attr layout_constraintRight_toLeftOf 0x7f010019 int attr layout_constraintRight_toRightOf 0x7f01001a int attr layout_constraintStart_toEndOf 0x7f01001b int attr layout_constraintStart_toStartOf 0x7f01001c int attr layout_constraintTop_creator 0x7f01001d int attr layout_constraintTop_toBottomOf 0x7f01001e int attr layout_constraintTop_toTopOf 0x7f01001f int attr layout_constraintVertical_bias 0x7f010020 int attr layout_constraintVertical_chainStyle 0x7f010021 int attr layout_constraintVertical_weight 0x7f010022 int attr layout_constraintWidth_default 0x7f010023 int attr layout_constraintWidth_max 0x7f010024 int attr layout_constraintWidth_min 0x7f010025 int attr layout_editor_absoluteX 0x7f010026 int attr layout_editor_absoluteY 0x7f010027 int attr layout_goneMarginBottom 0x7f010028 int attr layout_goneMarginEnd 0x7f010029 int attr layout_goneMarginLeft 0x7f01002a int attr layout_goneMarginRight 0x7f01002b int attr layout_goneMarginStart 0x7f01002c int attr layout_goneMarginTop 0x7f01002d int attr layout_optimizationLevel 0x7f01002e int attr listChoiceBackgroundIndicator 0x7f0100a7 int attr listDividerAlertDialog 0x7f010082 int attr listItemLayout 0x7f010051 int attr listLayout 0x7f01004e int attr listMenuViewStyle 0x7f0100c7 int attr listPopupWindowStyle 0x7f0100a1 int attr listPreferredItemHeight 0x7f01009b int attr listPreferredItemHeightLarge 0x7f01009d int attr listPreferredItemHeightSmall 0x7f01009c int attr listPreferredItemPaddingLeft 0x7f01009e int attr listPreferredItemPaddingRight 0x7f01009f int attr logo 0x7f010036 int attr logoDescription 0x7f010105 int attr maxButtonHeight 0x7f0100ff int attr measureWithLargestChild 0x7f0100d4 int attr multiChoiceItemLayout 0x7f01004f int attr navigationContentDescription 0x7f010104 int attr navigatio