(window.webpackJsonp=window.webpackJsonp||[]).push([[118],{525:function(t,a,s){"use strict";s.r(a);var n=s(31),e=Object(n.a)({},(function(){var t=this,a=t.$createElement,s=t._self._c||a;return s("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[s("h1",{attrs:{id:"bottomnavigationview"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#bottomnavigationview"}},[t._v("#")]),t._v(" BottomNavigationView")]),t._v(" "),s("p",[t._v("The Bottom Navigation View has been in the material design "),s("a",{attrs:{href:"https://material.io/guidelines/components/bottom-navigation.html",target:"_blank",rel:"noopener noreferrer"}},[t._v("guidelines"),s("OutboundLink")],1),t._v(" for some time, but it hasn’t been easy for us to implement it into our apps.")]),t._v(" "),s("p",[t._v("Some applications have built their own solutions, whilst others have relied on third-party open-source libraries to get the job done.")]),t._v(" "),s("p",[t._v("Now the design support library is seeing the 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punctuation"}},[t._v(".")]),t._v("id"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("my_action1"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v("\n                        "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Do something...")]),t._v("\n                        "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("break")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n                    "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//...")]),t._v("\n                "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n                "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token boolean"}},[t._v("true")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//returning false disables the Navigation bar animations")]),t._v("\n            "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n        "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n")])])]),s("p",[t._v("Checkout demo code at "),s("a",{attrs:{href:"https://github.com/1priyank1/BottomNavigation-Demo",target:"_blank",rel:"noopener noreferrer"}},[t._v("BottomNavigation-Demo"),s("OutboundLink")],1)]),t._v(" "),s("h2",{attrs:{id:"customization-of-bottomnavigationview"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#customization-of-bottomnavigationview"}},[t._v("#")]),t._v(" Customization of BottomNavigationView")]),t._v(" "),s("p",[s("strong",[t._v("Note : I am assuming that you know about how to use "),s("strong",[s("code",[t._v("BottomNavigationView")])]),t._v(".")])]),t._v(" "),s("p",[t._v("This example I will explain how to add selector for "),s("strong",[s("code",[t._v("BottomNavigationView")])]),t._v(". So you can state on UI for icons and texts.")]),t._v(" "),s("p",[t._v("Create drawable "),s("code",[t._v("bottom_navigation_view_selector.xml")]),t._v(" as")]),t._v(" "),s("div",{staticClass:"language-java extra-class"},[s("pre",{pre:!0,attrs:{class:"language-java"}},[s("code",[s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("?")]),t._v("xml version"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"1.0"')]),t._v(" encoding"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"utf-8"')]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("?")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v("selector xmlns"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v("android"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"http://schemas.android.com/apk/res/android"')]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n    "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v("item  android"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v("color"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"@color/bottom_nv_menu_selected"')]),t._v(" android"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v("state_checked"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"true"')]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("/")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n    "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v("item android"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v("color"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"@color/bottom_nv_menu_default"')]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("/")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("/")]),t._v("selector"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n\n")])])]),s("p",[t._v("And use below attributes into "),s("strong",[s("code",[t._v("BottomNavigationView")])]),t._v(" in layout file")]),t._v(" "),s("div",{staticClass:"language-java extra-class"},[s("pre",{pre:!0,attrs:{class:"language-java"}},[s("code",[t._v("app"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v("itemIconTint"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"@drawable/bottom_navigation_view_selector"')]),t._v(" \napp"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v("itemTextColor"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"@drawable/bottom_navigation_view_selector"')]),t._v("\n\n")])])]),s("blockquote"),t._v(" "),s("p",[t._v("In above example, I have used same selector\n`bottom_navigation_view_selector` for `app:itemIconTint` and\n`app:itemTextColor` both to keep text and icon colors same. But if\nyour design has different color for text and icon, you can define 2\ndifferent selectors and use them.")]),t._v(" "),s("p",[t._v("Output will be similar to below")]),t._v(" "),s("p",[s("a",{attrs:{href:"https://i.stack.imgur.com/HT7wB.png",target:"_blank",rel:"noopener noreferrer"}},[s("img",{attrs:{src:"https://i.stack.imgur.com/HT7wB.png",alt:"Option 1"}}),s("OutboundLink")],1)]),t._v(" "),s("p",[s("a",{attrs:{href:"https://i.stack.imgur.com/pScpu.png",target:"_blank",rel:"noopener noreferrer"}},[s("img",{attrs:{src:"https://i.stack.imgur.com/pScpu.png",alt:"Option 2"}}),s("OutboundLink")],1)]),t._v(" "),s("h2",{attrs:{id:"handling-enabled-disabled-states"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#handling-enabled-disabled-states"}},[t._v("#")]),t._v(" Handling Enabled / Disabled states")]),t._v(" "),s("p",[t._v("Create Selector for Enable/Disable Menu Item.")]),t._v(" "),s("p",[s("strong",[t._v("selector.xml")])]),t._v(" "),s("div",{staticClass:"language-java 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