search: open kb only when created

Make it so that the keyboard is only opened on the search view when
it's initially created instead of when it's loaded from the
backstack. This is just nice for overall UX.

app/build.gradle

@@ -4,7 +4,7 @@ apply plugin: "kotlin-kapt"
 apply plugin: "androidx.navigation.safeargs.kotlin"
 
 android {
-    compileSdkVersion 32
+    compileSdkVersion 31
     buildToolsVersion "31.0.0"
 
     defaultConfig {
@@ -13,7 +13,7 @@ android {
         versionCode 10
 
         minSdkVersion 21
-        targetSdkVersion 32
+        targetSdkVersion 31
 
         buildFeatures {
             dataBinding true

app/src/main/java/org/oxycblt/auxio/search/SearchFragment.kt

@@ -55,6 +55,9 @@ class SearchFragment : Fragment() {
     private val playbackModel: PlaybackViewModel by activityViewModels()
     private val detailModel: DetailViewModel by activityViewModels()
 
+    private var launchedKeyboard = false
+    private var mustScrollUp = false
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -103,15 +106,20 @@ class SearchFragment : Fragment() {
 
         binding.searchEditText.apply {
             addTextChangedListener { text ->
+                mustScrollUp = true
                 // Run the search with the updated text as the query
                 searchModel.search(text?.toString() ?: "")
             }
 
-            // Auto-open the keyboard when this view is shown
-            requestFocus()
+            if (!launchedKeyboard) {
+                // Auto-open the keyboard when this view is shown
+                requestFocus()
 
-            postDelayed(200) {
-                imm.showSoftInput(this, InputMethodManager.SHOW_IMPLICIT)
+                postDelayed(200) {
+                    imm.showSoftInput(this, InputMethodManager.SHOW_IMPLICIT)
+                }
+
+                launchedKeyboard = true
             }
         }
 
@@ -127,7 +135,9 @@ class SearchFragment : Fragment() {
 
         searchModel.searchResults.observe(viewLifecycleOwner) { results ->
             searchAdapter.submitList(results) {
-                // We've just scrolled back to the top, reset the lifted state
+                // I would make it so that the position is only scrolled back to the top when
+                // the query actually changes instead of one every re-creation event, but sadly
+                // that doesn't seem possible.
                 binding.searchRecycler.scrollToPosition(0)
             }