Minimizes keyboard on search screen (#4633)

Adds feature if user clicks on toolbar, on the pages box, or on the tabs
buttons that the keyboard will minimize and focus will be taken off of
search bar.

Further addresses issue #4573

app/src/main/java/com/keylesspalace/tusky/components/search/SearchActivity.kt

@@ -22,9 +22,11 @@ import android.os.Bundle
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
+import android.view.MotionEvent
 import androidx.activity.viewModels
 import androidx.appcompat.widget.SearchView
 import androidx.core.view.MenuProvider
+import com.google.android.material.tabs.TabLayout
 import com.google.android.material.tabs.TabLayoutMediator
 import com.keylesspalace.tusky.BottomSheetActivity
 import com.keylesspalace.tusky.R
@@ -82,6 +84,7 @@ class SearchActivity : BottomSheetActivity(), MenuProvider, SearchView.OnQueryTe
         searchViewMenuItem.expandActionView()
         searchView = searchViewMenuItem.actionView as SearchView
         setupSearchView()
+        setupClearFocusOnClickListeners()
     }
 
     override fun onMenuItemSelected(menuItem: MenuItem): Boolean {
@@ -105,6 +108,30 @@ class SearchActivity : BottomSheetActivity(), MenuProvider, SearchView.OnQueryTe
         }
     }
 
+    private fun setupClearFocusOnClickListeners() {
+        binding.overlayPagesClickView.setOnTouchListener { view, event ->
+            if (event.action == MotionEvent.ACTION_DOWN) {
+                searchView.clearFocus()
+                view.performClick()
+            }
+            false
+        }
+        binding.toolbar.setOnClickListener {
+            searchView.clearFocus()
+        }
+        binding.tabs.addOnTabSelectedListener(object : TabLayout.OnTabSelectedListener {
+            override fun onTabSelected(p0: TabLayout.Tab?) {
+                searchView.clearFocus()
+            }
+
+            override fun onTabUnselected(p0: TabLayout.Tab?) {}
+
+            override fun onTabReselected(p0: TabLayout.Tab?) {
+                searchView.clearFocus()
+            }
+        })
+    }
+
     private fun setupSearchView() {
         searchView.setIconifiedByDefault(false)
         searchView.setSearchableInfo(

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

@@ -38,6 +38,12 @@
         android:layout_height="match_parent"
         app:layout_behavior="@string/appbar_scrolling_view_behavior" />
 
+    <View
+        android:id="@+id/overlayPagesClickView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@android:color/transparent" />
+
     <include layout="@layout/item_status_bottom_sheet" />
 
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>