优化

app/src/main/java/io/legado/app/ui/main/bookshelf/books/BooksFragment.kt

@@ -32,7 +32,9 @@ import kotlinx.android.synthetic.main.fragment_books.*
 import org.jetbrains.anko.startActivity
 import kotlin.math.max
 
-
+/**
+ * 书架界面
+ */
 class BooksFragment : BaseFragment(R.layout.fragment_books),
     BaseBooksAdapter.CallBack {
 

app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt

@@ -29,7 +29,9 @@ import kotlinx.android.synthetic.main.view_search.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 import java.text.Collator
 
-
+/**
+ * 发现界面
+ */
 class ExploreFragment : VMBaseFragment<ExploreViewModel>(R.layout.fragment_find_book),
     ExploreAdapter.CallBack {
     override val viewModel: ExploreViewModel
@@ -44,7 +46,7 @@ class ExploreFragment : VMBaseFragment<ExploreViewModel>(R.layout.fragment_find_
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         setSupportToolbar(toolbar)
-        tv_empty_msg.text = "当前没有发现源,关注公众号[开源阅读]添加带发现的书源!"
+        tv_empty_msg.setText(R.string.explore_empty)
         initSearchView()
         initRecyclerView()
         initGroupData()

app/src/main/java/io/legado/app/ui/main/rss/RssFragment.kt

@@ -4,7 +4,7 @@ import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
-import androidx.recyclerview.widget.GridLayoutManager
+import androidx.core.view.isGone
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.VMBaseFragment
@@ -22,6 +22,9 @@ import io.legado.app.utils.startActivity
 import kotlinx.android.synthetic.main.fragment_rss.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 
+/**
+ * 订阅界面
+ */
 class RssFragment : VMBaseFragment<RssSourceViewModel>(R.layout.fragment_rss),
     RssAdapter.CallBack {
 
@@ -31,6 +34,7 @@ class RssFragment : VMBaseFragment<RssSourceViewModel>(R.layout.fragment_rss),
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         setSupportToolbar(toolbar)
+        tv_empty_msg.setText(R.string.rss_source_empty)
         initRecyclerView()
         initData()
     }
@@ -50,12 +54,12 @@ class RssFragment : VMBaseFragment<RssSourceViewModel>(R.layout.fragment_rss),
     private fun initRecyclerView() {
         ATH.applyEdgeEffectColor(recycler_view)
         adapter = RssAdapter(requireContext(), this)
-        recycler_view.layoutManager = GridLayoutManager(requireContext(), 4)
         recycler_view.adapter = adapter
     }
 
     private fun initData() {
         App.db.rssSourceDao().liveEnabled().observe(viewLifecycleOwner, {
+            tv_empty_msg.isGone = it.isNotEmpty()
             if (it.isEmpty()) {
                 getViewModelOfActivity(MainViewModel::class.java).initRss()
             }

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

@@ -1,20 +1,40 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:orientation="vertical"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:orientation="vertical">
 
     <io.legado.app.ui.widget.TitleBar
         android:id="@+id/title_bar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         app:attachToActivity="false"
+        app:layout_constraintTop_toTopOf="parent"
         app:title="@string/rss" />
 
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recycler_view"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="0dp"
+        app:layout_constraintTop_toBottomOf="@id/title_bar"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+        app:spanCount="4"
+        tools:listitem="@layout/item_rss" />
 
-</LinearLayout>
+    <TextView
+        android:id="@+id/tv_empty_msg"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:gravity="center"
+        android:visibility="gone"
+        app:layout_constraintTop_toBottomOf="@+id/title_bar"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        tools:text="TextView" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1,6 +1,7 @@
 <?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:padding="16dp"
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
@@ -24,6 +25,7 @@
         android:gravity="top|center_horizontal"
         android:lines="2"
         android:ellipsize="end"
+        tools:text="RSS"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/iv_icon" />

app/src/main/res/values-zh-rHK/strings.xml

@@ -767,5 +767,7 @@
     <string name="share_selected_source">分享選中書源</string>
     <string name="sort_by_lastUppdateTime">時間排序</string>
     <string name="search_content">全文搜索</string>
+    <string name="rss_source_empty">关注公众号[开源阅读]获取订阅源!</string>
+    <string name="explore_empty">当前没有发现源,关注公众号[开源阅读]添加带发现的书源!</string>
 
 </resources>

app/src/main/res/values-zh-rTW/strings.xml

@@ -767,5 +767,7 @@
     <string name="share_selected_source">分享選中書源</string>
     <string name="sort_by_lastUppdateTime">時間排序</string>
     <string name="search_content">全文搜尋</string>
+    <string name="rss_source_empty">关注公众号[开源阅读]获取订阅源!</string>
+    <string name="explore_empty">当前没有发现源,关注公众号[开源阅读]添加带发现的书源!</string>
 
 </resources>

app/src/main/res/values-zh/strings.xml

@@ -770,5 +770,7 @@
     <string name="select_theme">切换默认主题</string>
     <string name="sort_by_lastUppdateTime">时间排序</string>
     <string name="search_content">全文搜索</string>
+    <string name="rss_source_empty">关注公众号[开源阅读]获取订阅源!</string>
+    <string name="explore_empty">当前没有发现源,关注公众号[开源阅读]添加带发现的书源!</string>
 
 </resources>

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

@@ -773,5 +773,7 @@
     <string name="share_selected_source">Share selected sources</string>
     <string name="sort_by_lastUppdateTime">Sort by update time</string>
     <string name="search_content">Search content</string>
+    <string name="rss_source_empty">关注公众号[开源阅读]获取订阅源!</string>
+    <string name="explore_empty">当前没有发现源,关注公众号[开源阅读]添加带发现的书源!</string>
 
 </resources>