优化

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

@@ -29,7 +29,6 @@ import io.legado.app.utils.getViewModelOfActivity
 import io.legado.app.utils.observeEvent
 import io.legado.app.utils.startActivity
 import kotlinx.android.synthetic.main.fragment_books.*
-import org.jetbrains.anko.startActivity
 import kotlin.math.max
 
 /**
@@ -61,7 +60,6 @@ class BooksFragment : BaseFragment(R.layout.fragment_books),
             position = it.getInt("position", 0)
             groupId = it.getLong("groupId", -1)
         }
-        tv_empty_msg.setText(R.string.bookshelf_empty)
         initRecyclerView()
         upRecyclerData()
     }
@@ -139,8 +137,8 @@ class BooksFragment : BaseFragment(R.layout.fragment_books),
     override fun open(book: Book) {
         when (book.type) {
             BookType.audio ->
-                context?.startActivity<AudioPlayActivity>(Pair("bookUrl", book.bookUrl))
-            else -> context?.startActivity<ReadBookActivity>(
+                startActivity<AudioPlayActivity>(Pair("bookUrl", book.bookUrl))
+            else -> startActivity<ReadBookActivity>(
                 Pair("bookUrl", book.bookUrl),
                 Pair("key", IntentDataHelp.putData(book))
             )

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

@@ -46,7 +46,6 @@ class ExploreFragment : VMBaseFragment<ExploreViewModel>(R.layout.fragment_find_
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         setSupportToolbar(toolbar)
-        tv_empty_msg.setText(R.string.explore_empty)
         initSearchView()
         initRecyclerView()
         initGroupData()

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

@@ -34,7 +34,6 @@ 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()
     }

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

@@ -25,6 +25,7 @@
         android:gravity="center"
         android:layout_gravity="center"
         android:visibility="gone"
+        android:text="@string/bookshelf_empty"
         tools:text="TextView" />
 
 </FrameLayout>

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

@@ -30,6 +30,7 @@
         android:layout_margin="16dp"
         android:gravity="center"
         android:visibility="gone"
+        android:text="@string/explore_empty"
         app:layout_constraintTop_toBottomOf="@+id/title_bar"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"

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

@@ -31,6 +31,7 @@
         android:layout_margin="16dp"
         android:gravity="center"
         android:visibility="gone"
+        android:text="@string/rss_source_empty"
         app:layout_constraintTop_toBottomOf="@+id/title_bar"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"