feat: 优化代码

app/src/main/java/io/legado/app/ui/download/DownloadAdapter.kt

@@ -6,6 +6,7 @@ import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.Book
 import kotlinx.android.synthetic.main.item_download.view.*
+import org.jetbrains.anko.sdk27.listeners.onClick
 
 
 class DownloadAdapter(context: Context) :
@@ -25,6 +26,9 @@ class DownloadAdapter(context: Context) :
                     tv_download.text =
                         context.getString(R.string.download_count, cs.size, item.totalChapterNum)
                 }
+                tv_export.onClick {
+
+                }
             } else {
                 val cacheSize = cacheChapters[item.bookUrl]?.size ?: 0
                 tv_download.text =

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

@@ -1,23 +1,46 @@
 <?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"
-    android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:padding="16dp">
 
     <TextView
         android:id="@+id/tv_name"
-        android:layout_width="match_parent"
+        android:layout_width="0dp"
-        android:layout_height="wrap_content" />
+        android:layout_height="wrap_content"
+        android:singleLine="true"
+        app:layout_constraintRight_toLeftOf="@+id/tv_export"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent" />
 
     <TextView
         android:id="@+id/tv_author"
-        android:layout_width="match_parent"
+        android:layout_width="0dp"
-        android:layout_height="wrap_content" />
+        android:layout_height="wrap_content"
+        android:singleLine="true"
+        app:layout_constraintRight_toLeftOf="@+id/tv_export"
+        app:layout_constraintTop_toBottomOf="@+id/tv_name"
+        app:layout_constraintLeft_toLeftOf="parent" />
 
     <TextView
         android:id="@+id/tv_download"
-        android:layout_width="match_parent"
+        android:layout_width="0dp"
-        android:layout_height="wrap_content" />
+        android:layout_height="wrap_content"
+        android:singleLine="true"
+        app:layout_constraintRight_toLeftOf="@+id/tv_export"
+        app:layout_constraintTop_toBottomOf="@id/tv_author"
+        app:layout_constraintLeft_toLeftOf="parent" />
+
+    <TextView
+        android:id="@+id/tv_export"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="?attr/selectableItemBackground"
+        android:padding="10dp"
+        android:text="@string/export"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintRight_toRightOf="parent" />
 
-</LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -554,6 +554,7 @@
     <string name="enable_selection">启用所选</string>
     <string name="disable_selection">禁用所选</string>
     <string name="export_selection">导出所选</string>
+    <string name="export">导出</string>
     <string name="load_toc">加载目录</string>
     <string name="tts">TTS</string>
     <string name="web_dav_pw_s">输入你的WebDav授权密码</string>