微调首页轮播图上边距

app/src/main/java/com/gh/common/util/EntranceUtils.java

@@ -193,6 +193,7 @@ public class EntranceUtils {
     public static final String KEY_UUID = "uuid";
     public static final String KEY_IS_HOME_VIDEO = "isHomeVideo";
     public static final String KEY_IS_HOME = "isHome";
+    public static final String KEY_TAB_COUNT = "tab_count";
     public static final String KEY_WEB_SHARE = "webShare";
     public static final String KEY_ACTIVITY_NAME = "activityName";//活动名称
     public static final String KEY_PAGINATION_TYPE = "paginationType";//活动分页方式

app/src/main/java/com/gh/gamecenter/fragment/HomeSearchToolWrapperFragment.kt

@@ -250,7 +250,7 @@ class HomeSearchToolWrapperFragment : SearchToolWrapperFragment() {
         val fragmentList = arrayListOf<Fragment>()
         for (tab in tabList) {
             val fragment = when (tab.type) {
-                "home" -> HomeFragment()
+                "home" -> HomeFragment().with(Bundle())
                 "top_game_comment" -> AmwayFragment().with(Bundle())
                 "block" -> GameFragment().with(Bundle().apply {
                     putParcelable(EntranceUtils.KEY_BLOCK_DATA, tab)
@@ -290,8 +290,9 @@ class HomeSearchToolWrapperFragment : SearchToolWrapperFragment() {
                 "bbs" -> Fragment()
                 else -> Fragment()
             }
+            fragment.arguments?.putInt(EntranceUtils.KEY_TAB_COUNT, tabList.size)
             fragment.arguments?.putBoolean(EntranceUtils.KEY_IS_HOME, true)
-            fragment.arguments?.putParcelable(EntranceUtils.KEY_EXPOSURE_SOURCE, ExposureSource("首页顶部Tab栏", tab.name!!))
+            fragment.arguments?.putParcelable(EntranceUtils.KEY_EXPOSURE_SOURCE, ExposureSource("首页顶部Tab栏", tab.name ?: ""))
             fragmentList.add(fragment)
         }
         return fragmentList

app/src/main/java/com/gh/gamecenter/home/HomeFragment.kt

@@ -64,6 +64,7 @@ class HomeFragment : BaseFragment<Any>() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         mViewModel = ViewModelProviders.of(this).get(HomeViewModel::class.java)
+        mViewModel.homeOnlyWithoutOtherTab = arguments?.getInt(EntranceUtils.KEY_TAB_COUNT) == 1
         mViewModel.itemDataList.observeNonNull(this, callback = {
             mListAdapter.submitList(it)
         })

app/src/main/java/com/gh/gamecenter/home/HomeFragmentAdapter.kt

@@ -3,6 +3,7 @@ package com.gh.gamecenter.home
 import android.content.Context
 import android.view.View
 import android.view.ViewGroup
+import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.gh.common.constant.ItemViewType
@@ -131,7 +132,13 @@ class HomeFragmentAdapter(context: Context,
 
     override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
         when (holder) {
-            is HomeSlideListViewHolder -> holder.bindSlideList(mDataList[position], mBasicExposureSource)
+            is HomeSlideListViewHolder -> {
+                // 根据首页是否有其它 tab 设置不同的 marginTop
+                val marginTop = if (viewModel.homeOnlyWithoutOtherTab) 4F.dip2px() else 0
+                (holder.binding.recyclerView.layoutParams as ConstraintLayout.LayoutParams)
+                    .setMargins(0, marginTop, 0, 0)
+                holder.bindSlideList(mDataList[position], mBasicExposureSource)
+            }
             is HomeRecommendItemViewHolder -> holder.bindRecommend(mDataList[position].recommends!!)
             is HomeAmwayListViewHolder -> bindAmway(holder, position)
             is HomeGameItemViewHolder -> bindAttachGame(holder, position)

app/src/main/java/com/gh/gamecenter/home/HomeViewModel.kt

@@ -46,6 +46,9 @@ class HomeViewModel(application: Application) : AndroidViewModel(application) {
     // 所有专题里的所有游戏 ID 集合，供替换时排重用
     private var mSubjectGameIdList = hashSetOf<String>()
 
+    // 首页是否只有首页，不显示其它 tab
+    var homeOnlyWithoutOtherTab = false
+
     var itemDataList: MediatorLiveData<List<HomeItemData>> = MediatorLiveData()
     var positionAndPackageMap = HashMap<String, Int>() // key: packageName + position, value: position
 

app/src/main/res/values/dimens.xml

@@ -24,7 +24,7 @@
 
     <dimen name="home_item_padding">16dp</dimen>
     <dimen name="home_large_image_radius">6dp</dimen>
-    <dimen name="home_recyclerview_padding_top">8dp</dimen>
+    <dimen name="home_recyclerview_padding_top">4dp</dimen>
 
     <dimen name="home_column_collection_height">122dp</dimen>