feat: 优化

app/src/main/java/io/legado/app/ui/rss/article/RssArticlesAdapter.kt

@@ -1,5 +1,6 @@
 package io.legado.app.ui.rss.article
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.graphics.drawable.Drawable
 import com.bumptech.glide.load.DataSource
@@ -21,15 +22,19 @@ import org.jetbrains.anko.textColorResource
 class RssArticlesAdapter(context: Context, layoutId: Int, val callBack: CallBack) :
     SimpleRecyclerAdapter<RssArticle>(context, layoutId) {
 
+    @SuppressLint("CheckResult")
     override fun convert(holder: ItemViewHolder, item: RssArticle, payloads: MutableList<Any>) {
         with(holder.itemView) {
             tv_title.text = item.title
             tv_pub_date.text = item.pubDate
-            if (item.image.isNullOrBlank()) {
+            if (item.image.isNullOrBlank() && !callBack.isGridLayout) {
                 image_view.gone()
             } else {
-                ImageLoader.load(context, item.image)
-                    .addListener(object : RequestListener<Drawable> {
+                val glide = ImageLoader.load(context, item.image)
+                if (callBack.isGridLayout) {
+                    glide.placeholder(R.drawable.image_rss_article)
+                } else {
+                    glide.addListener(object : RequestListener<Drawable> {
                         override fun onLoadFailed(
                             e: GlideException?,
                             model: Any?,
@@ -52,7 +57,8 @@ class RssArticlesAdapter(context: Context, layoutId: Int, val callBack: CallBack
                         }
 
                     })
-                    .into(image_view)
+                }
+                glide.into(image_view)
             }
             if (item.read) {
                 tv_title.textColorResource = R.color.tv_text_summary
@@ -71,6 +77,7 @@ class RssArticlesAdapter(context: Context, layoutId: Int, val callBack: CallBack
     }
 
     interface CallBack {
+        val isGridLayout: Boolean
         fun readRss(rssArticle: RssArticle)
     }
 }

app/src/main/java/io/legado/app/ui/rss/article/RssArticlesFragment.kt

@@ -43,6 +43,8 @@ class RssArticlesFragment : VMBaseFragment<RssArticlesViewModel>(R.layout.fragme
     lateinit var adapter: RssArticlesAdapter
     private lateinit var loadMoreView: LoadMoreView
     private var rssArticlesData: LiveData<List<RssArticle>>? = null
+    override val isGridLayout: Boolean
+        get() = activityViewModel.isGridLayout
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         viewModel.init(arguments)

app/src/main/res/layout/item_rss_article.xml

@@ -43,6 +43,7 @@
         android:paddingLeft="16dp"
         android:visibility="gone"
         android:scaleType="centerCrop"
+        android:src="@drawable/image_rss_article"
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         tools:ignore="RtlHardcoded,RtlSymmetry" />