restore all functionality

app/src/main/java/com/github/libretube/activities/MainActivity.kt

@@ -21,7 +21,6 @@ import androidx.appcompat.widget.SearchView
 import androidx.constraintlayout.motion.widget.MotionLayout
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.os.bundleOf
-import androidx.fragment.app.replace
 import androidx.navigation.NavController
 import androidx.navigation.findNavController
 import androidx.navigation.ui.setupWithNavController
@@ -30,7 +29,6 @@ import com.github.libretube.Globals
 import com.github.libretube.R
 import com.github.libretube.databinding.ActivityMainBinding
 import com.github.libretube.fragments.PlayerFragment
-import com.github.libretube.fragments.SearchFragment
 import com.github.libretube.preferences.PreferenceHelper
 import com.github.libretube.preferences.PreferenceKeys
 import com.github.libretube.services.ClosingService
@@ -49,7 +47,7 @@ class MainActivity : AppCompatActivity() {
     lateinit var navController: NavController
     private var startFragmentId = R.id.homeFragment
     var autoRotationEnabled = false
-    private var searchFragment: SearchFragment? = null
+    lateinit var searchView: SearchView
 
     override fun onCreate(savedInstanceState: Bundle?) {
         // set the app theme (e.g. Material You)
@@ -137,6 +135,7 @@ class MainActivity : AppCompatActivity() {
                 // clear backstack if it's the start fragment
                 if (startFragmentId == it.itemId) navController.backQueue.clear()
                 // set menu item on click listeners
+                removeSearchFocus()
                 when (it.itemId) {
                     R.id.homeFragment -> {
                         navController.navigate(R.id.homeFragment)
@@ -155,13 +154,20 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
+    private fun removeSearchFocus() {
+        searchView.setQuery("", false)
+        searchView.clearFocus()
+        searchView.onActionViewCollapsed()
+    }
+
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         // Inflate the menu; this adds items to the action bar if it is present.
         menuInflater.inflate(R.menu.action_bar, menu)
-        val searchItem = menu.findItem(R.id.action_search)
 
         // stuff for the search in the topBar
-        val searchView = searchItem.actionView as SearchView
+        val searchItem = menu.findItem(R.id.action_search)
+        searchView = searchItem.actionView as SearchView
+
         searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
             override fun onQueryTextSubmit(query: String?): Boolean {
                 val bundle = Bundle()
@@ -185,6 +191,10 @@ class MainActivity : AppCompatActivity() {
         // automatically handle clicks on the Home/Up button, so long
         // as you specify a parent activity in AndroidManifest.xml.
         return when (item.itemId) {
+            R.id.action_search -> {
+                navController.navigate(R.id.searchFragment)
+                true
+            }
             R.id.action_settings -> {
                 val settingsIntent = Intent(this, SettingsActivity::class.java)
                 startActivity(settingsIntent)
@@ -204,14 +214,6 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
-    private fun addToHistory(query: String) {
-        val searchHistoryEnabled =
-            PreferenceHelper.getBoolean(PreferenceKeys.SEARCH_HISTORY_TOGGLE, true)
-        if (searchHistoryEnabled && query != "") {
-            PreferenceHelper.saveToSearchHistory(query)
-        }
-    }
-
     override fun onStart() {
         super.onStart()
         val intentData: Uri? = intent?.data
@@ -338,6 +340,9 @@ class MainActivity : AppCompatActivity() {
     }
 
     override fun onBackPressed() {
+        // remove focus from search
+        removeSearchFocus()
+
         if (binding.mainMotionLayout.progress == 0F) {
             try {
                 minimizePlayer()

app/src/main/java/com/github/libretube/adapters/SearchHistoryAdapter.kt

@@ -2,12 +2,14 @@ package com.github.libretube.adapters
 
 import android.view.LayoutInflater
 import android.view.ViewGroup
+import androidx.appcompat.widget.SearchView
 import androidx.recyclerview.widget.RecyclerView
 import com.github.libretube.databinding.SearchhistoryRowBinding
 import com.github.libretube.preferences.PreferenceHelper
 
 class SearchHistoryAdapter(
-    private var historyList: List<String>
+    private var historyList: List<String>,
+    private val searchView: SearchView
 ) :
     RecyclerView.Adapter<SearchHistoryViewHolder>() {
 
@@ -33,6 +35,7 @@ class SearchHistoryAdapter(
             }
 
             root.setOnClickListener {
+                searchView.setQuery(historyQuery, true)
             }
         }
     }

app/src/main/java/com/github/libretube/adapters/SearchSuggestionsAdapter.kt

@@ -2,11 +2,13 @@ package com.github.libretube.adapters
 
 import android.view.LayoutInflater
 import android.view.ViewGroup
+import androidx.appcompat.widget.SearchView
 import androidx.recyclerview.widget.RecyclerView
 import com.github.libretube.databinding.SearchsuggestionRowBinding
 
 class SearchSuggestionsAdapter(
-    private var suggestionsList: List<String>
+    private var suggestionsList: List<String>,
+    private val searchView: SearchView
 ) :
     RecyclerView.Adapter<SearchSuggestionsViewHolder>() {
 
@@ -27,6 +29,7 @@ class SearchSuggestionsAdapter(
         holder.binding.apply {
             suggestionText.text = suggestion
             root.setOnClickListener {
+                searchView.setQuery(suggestion, true)
             }
         }
     }

app/src/main/java/com/github/libretube/fragments/SearchFragment.kt

@@ -10,8 +10,12 @@ import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.github.libretube.R
+import com.github.libretube.activities.MainActivity
+import com.github.libretube.adapters.SearchHistoryAdapter
 import com.github.libretube.adapters.SearchSuggestionsAdapter
 import com.github.libretube.databinding.FragmentSearchBinding
+import com.github.libretube.preferences.PreferenceHelper
+import com.github.libretube.preferences.PreferenceKeys
 import com.github.libretube.util.RetrofitInstance
 import retrofit2.HttpException
 import java.io.IOException
@@ -39,8 +43,21 @@ class SearchFragment() : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
-        // fetch the search
-        fetchSuggestions(query!!)
+        // add the query to the history
+        if (query != null) addToHistory(query!!)
+
+        binding.suggestionsRecycler.layoutManager = LinearLayoutManager(requireContext())
+        // fetch the search or history
+        if (query == null || query == "") showHistory()
+        else fetchSuggestions(query!!)
+    }
+
+    private fun addToHistory(query: String) {
+        val searchHistoryEnabled =
+            PreferenceHelper.getBoolean(PreferenceKeys.SEARCH_HISTORY_TOGGLE, true)
+        if (searchHistoryEnabled && query != "") {
+            PreferenceHelper.saveToSearchHistory(query)
+        }
     }
 
     private fun fetchSuggestions(query: String) {
@@ -59,10 +76,10 @@ class SearchFragment() : Fragment() {
                 // only load the suggestions if the input field didn't get cleared yet
                 val suggestionsAdapter =
                     SearchSuggestionsAdapter(
-                        response
+                        response,
+                        (activity as MainActivity).searchView
                     )
                 runOnUiThread {
-                    binding.suggestionsRecycler.layoutManager = LinearLayoutManager(requireContext())
                     binding.suggestionsRecycler.adapter = suggestionsAdapter
                 }
             }
@@ -70,6 +87,17 @@ class SearchFragment() : Fragment() {
         run()
     }
 
+    private fun showHistory() {
+        val historyList = PreferenceHelper.getSearchHistory()
+        if (historyList.isNotEmpty()) {
+            binding.suggestionsRecycler.adapter =
+                SearchHistoryAdapter(
+                    historyList,
+                    (activity as MainActivity).searchView
+                )
+        }
+    }
+
     private fun Fragment?.runOnUiThread(action: () -> Unit) {
         this ?: return
         if (!isAdded) return // Fragment not attached to an Activity

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

@@ -7,7 +7,8 @@
         android:icon="@drawable/ic_search"
         android:title="@string/search_hint"
         app:showAsAction="ifRoom"
-        app:actionViewClass="androidx.appcompat.widget.SearchView" />
+        app:actionViewClass="androidx.appcompat.widget.SearchView"
+        android:focusableInTouchMode="true" />
 
     <item
         android:id="@+id/action_settings"