up

app/src/main/java/io/legado/app/ui/chapterlist/ChapterListActivity.kt

@@ -1,17 +1,23 @@
 package io.legado.app.ui.chapterlist
 
 import android.os.Bundle
+import android.view.Menu
+import androidx.appcompat.widget.SearchView
+import androidx.core.view.isGone
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
 import androidx.fragment.app.FragmentPagerAdapter
 import io.legado.app.R
 import io.legado.app.base.BaseActivity
+import io.legado.app.utils.gone
 import io.legado.app.utils.visible
 import kotlinx.android.synthetic.main.activity_chapter_list.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 
 class ChapterListActivity : BaseActivity(R.layout.activity_chapter_list) {
 
+    private var searchView: SearchView? = null
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         setSupportActionBar(toolbar)
         tab_layout.visible()
@@ -19,6 +25,28 @@ class ChapterListActivity : BaseActivity(R.layout.activity_chapter_list) {
         tab_layout.setupWithViewPager(view_pager)
     }
 
+    override fun onCompatCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.search_view, menu)
+        val search = menu.findItem(R.id.action_search)
+        searchView = search.actionView as SearchView
+        searchView?.maxWidth = resources.displayMetrics.widthPixels
+        searchView?.onActionViewCollapsed()
+        searchView?.setOnCloseListener {
+            tab_layout.visible()
+            false
+        }
+        searchView?.setOnSearchClickListener { tab_layout.gone() }
+        searchView?.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
+            override fun onQueryTextSubmit(query: String): Boolean {
+                return false
+            }
+
+            override fun onQueryTextChange(newText: String): Boolean {
+                return false
+            }
+        })
+        return super.onCompatCreateOptionsMenu(menu)
+    }
 
     private inner class TabFragmentPageAdapter internal constructor(fm: FragmentManager) :
         FragmentPagerAdapter(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT) {
@@ -41,4 +69,13 @@ class ChapterListActivity : BaseActivity(R.layout.activity_chapter_list) {
         }
 
     }
+
+    override fun onBackPressed() {
+        if (tab_layout.isGone) {
+            searchView?.onActionViewCollapsed()
+            tab_layout.visible()
+        } else {
+            super.onBackPressed()
+        }
+    }
 }

app/src/main/res/menu/search_view.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/action_search"
+        android:title="@string/search"
+        app:actionViewClass="androidx.appcompat.widget.SearchView"
+        app:showAsAction="always" />
+
+</menu>