feat: preference search in actionbar

app/src/main/java/info/nightscout/androidaps/activities/PreferencesActivity.kt

@@ -2,9 +2,9 @@ package info.nightscout.androidaps.activities
 
 import android.content.Context
 import android.os.Bundle
-import android.text.Editable
+import android.view.Menu
-import android.text.TextWatcher
 import android.view.MenuItem
+import androidx.appcompat.widget.SearchView
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.PreferenceScreen
 import info.nightscout.androidaps.R
@@ -15,6 +15,7 @@ class PreferencesActivity : NoSplashAppCompatActivity(), PreferenceFragmentCompa
 
     private var preferenceId = 0
     private var myPreferenceFragment: MyPreferenceFragment? = null
+    private var searchView: SearchView? = null
 
     private lateinit var binding: ActivityPreferencesBinding
 
@@ -24,15 +25,6 @@ class PreferencesActivity : NoSplashAppCompatActivity(), PreferenceFragmentCompa
         binding = ActivityPreferencesBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
-        binding.prefFilter.addTextChangedListener(object : TextWatcher {
-            override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {}
-            override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
-                filterPreferences()
-            }
-
-            override fun afterTextChanged(s: Editable) {}
-        })
-
         title = rh.gs(R.string.nav_preferences)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         supportActionBar?.setDisplayShowHomeEnabled(true)
@@ -40,12 +32,29 @@ class PreferencesActivity : NoSplashAppCompatActivity(), PreferenceFragmentCompa
         preferenceId = intent.getIntExtra("id", -1)
         myPreferenceFragment?.arguments = Bundle().also {
             it.putInt("id", preferenceId)
-            it.putString("filter", binding.prefFilter.text.toString())
         }
         if (savedInstanceState == null)
             supportFragmentManager.beginTransaction().replace(R.id.frame_layout, myPreferenceFragment!!).commit()
     }
 
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.menu_preferences, menu)
+        val searchItem = menu.findItem(R.id.menu_search)
+        searchView = searchItem.actionView as SearchView
+        searchView?.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
+
+            override fun onQueryTextChange(newText: String): Boolean {
+                myPreferenceFragment?.setFilter(newText)
+                return false
+            }
+
+            override fun onQueryTextSubmit(query: String): Boolean {
+                return false
+            }
+        })
+        return super.onCreateOptionsMenu(menu)
+    }
+
     override fun onPreferenceStartScreen(caller: PreferenceFragmentCompat, pref: PreferenceScreen): Boolean {
         val fragment = MyPreferenceFragment()
         fragment.arguments = Bundle().also {
@@ -60,10 +69,6 @@ class PreferencesActivity : NoSplashAppCompatActivity(), PreferenceFragmentCompa
         super.attachBaseContext(LocaleHelper.wrap(newBase))
     }
 
-    private fun filterPreferences() {
-        myPreferenceFragment?.setFilter(binding.prefFilter.text.toString())
-    }
-
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             android.R.id.home -> {

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

@@ -5,28 +5,6 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <com.google.android.material.textfield.TextInputLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="@string/filter"
-        app:endIconMode="clear_text">
-
-        <com.google.android.material.textfield.TextInputEditText
-            android:id="@+id/pref_filter"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="10dp"
-            android:layout_marginEnd="10dp"
-            android:layout_gravity="center_vertical"
-            android:layout_weight="1"
-            android:autofillHints="@string/filter"
-            android:gravity="start"
-            android:textStyle="bold"
-            android:inputType="text"
-            android:background="@color/transparent"/>
-
-    </com.google.android.material.textfield.TextInputLayout>
-
     <ScrollView
         android:layout_width="match_parent"
         android:layout_height="match_parent"

app/src/main/res/menu/menu_preferences.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/menu_search"
+        android:title="@string/search"
+        app:showAsAction="always"
+        app:actionViewClass="androidx.appcompat.widget.SearchView" />
+
+</menu>

app/src/main/res/values/strings.xml

@@ -1242,6 +1242,7 @@
     <string name="a11y_only_on_watch">only on watch</string>
     <string name="a11y_only_on_phone">only on phone</string>
     <string name="a11y_drag_and_drop_handle">drag and drop handle</string>
+    <string name="search">Search</string>
 
     <!-- Aidex Cgms -->
     <string name="aidex">GlucoRx Aidex</string>