ViewPager2+DslTabLayout搭建首页

效果图

添加引用

1. 在settings.gradle.kts中添加maven配置

   dependencyResolutionManagement {
       repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
       repositories {
           maven { setUrl("https://jitpack.io") }
           ...
       }
   }
   

2. 在app的build.gradle中增加引用

   dependencies {
   ...
       implementation("com.github.angcyo.DslTablayout:TabLayout:3.5.5")
       //可选
       implementation("com.github.angcyo.DslTablayout:ViewPager2Delegate:3.5.5")
   }
   

使用

1. xml布局文件中

   <?xml version="1.0" encoding="utf-8"?>
   <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:app="http://schemas.android.com/apk/res-auto"
       xmlns:tools="http://schemas.android.com/tools"
       android:id="@+id/main"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       tools:context=".MainActivity">
   
       <com.angcyo.tablayout.DslTabLayout
           android:id="@+id/tabLayout"
           android:layout_width="0dp"
           android:layout_height="40dp"
           app:layout_constraintLeft_toLeftOf="parent"
           app:layout_constraintRight_toRightOf="parent"
           app:layout_constraintTop_toTopOf="parent"
           app:tab_draw_badge="true"
           app:tab_enable_gradient_scale="true"
           app:tab_indicator_drawable="@drawable/shape_item_tab"
           app:tab_indicator_enable_flow="true"
           app:tab_indicator_style="STYLE_CENTER"
           app:tab_item_auto_equ_width="true"
           app:tab_max_scale="1.1"
           app:tab_min_scale="0.9" />
   
       <androidx.viewpager2.widget.ViewPager2
           android:id="@+id/viewPager"
           android:layout_width="0dp"
           android:layout_height="0dp"
           app:layout_constraintBottom_toBottomOf="parent"
           app:layout_constraintLeft_toLeftOf="parent"
           app:layout_constraintRight_toRightOf="parent"
           app:layout_constraintTop_toBottomOf="@id/tabLayout" />
   
   
   </androidx.constraintlayout.widget.ConstraintLayout>
   

2. kotlin代码

   bind.viewPager.adapter = CustomAdapter()
   titles.forEach { title ->
       LayoutItemTablayoutBinding.inflate(layoutInflater).let {
           it.root.text = title
           bind.tabLayout.addView(it.root)
           bind.tabLayout.onTabBadgeConfig = { child, tabBadge, index ->
               when (index) {
                   2 -> {
                       tabBadge.apply {
                           badgeOffsetY = maxHeight / 2
                           badgeOffsetX = 10.dp2px()
                           badgeGravity = Gravity.RIGHT or Gravity.TOP
                           badgeText = "99"
                       }
                   }
   
                   else -> {
                       tabBadge.apply {
                           badgeCircleOffsetY = -maxHeight / 2
                           badgeText = ""
                       }
                   }
               }
               tabBadge.updateOriginDrawable()
               null
           }
       }
   }
   ViewPager2Delegate.install(bind.viewPager, bind.tabLayout, false)
   

demo下载地址

demo下载地址

参考文献

1. https://github.com/angcyo/DslTabLayout

原文地址：https://blog.csdn.net/ljp345775/article/details/140495458

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