Improve searchview

app/build.gradle

@@ -8,7 +8,7 @@ android {
         targetSdkVersion 30
         versionCode 10
         versionName "2.1.1"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
     flavorDimensions "default"
     buildTypes {
@@ -56,7 +56,7 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
+    androidTestImplementation('androidx.test.espresso:espresso-core:3.1.0', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
     implementation 'androidx.appcompat:appcompat:1.2.0'

app/src/main/java/org/eu/exodus_privacy/exodusprivacy/MainActivity.java

@@ -29,9 +29,9 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.inputmethod.InputMethodManager;
-import android.widget.SearchView;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.SearchView;
 import androidx.databinding.DataBindingUtil;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentTransaction;
@@ -174,7 +174,7 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
-
+    private String previousQuery = "";
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         toolbarMenu = menu;
@@ -182,15 +182,21 @@ public class MainActivity extends AppCompatActivity {
         inflater.inflate(R.menu.main, menu);
         MenuItem actionFilterItem = menu.findItem(R.id.action_filter);
         searchView = (SearchView) actionFilterItem.getActionView();
+        searchView.setOnQueryTextFocusChangeListener((v, hasFocus) -> {
+            if (hasFocus) {
+                searchView.setQuery(previousQuery, false);
+            }
+        });
         searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
             @Override
             public boolean onQueryTextSubmit(String query) {
-                HomeFragment home = (HomeFragment) fragments.get(0);
-                home.filter(query);
+                previousQuery = query.trim();
                 if (!searchView.isIconified()) {
                     searchView.setIconified(true);
                 }
                 menu.findItem(R.id.action_filter).collapseActionView();
+                HomeFragment home = (HomeFragment) fragments.get(0);
+                home.filter(query);
                 return false;
             }
 

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

@@ -5,7 +5,7 @@
         android:id="@+id/action_filter"
         android:icon="@drawable/ic_search"
         android:title="@string/menu_action_filter"
-        app:actionViewClass="android.widget.SearchView"
+        app:actionViewClass="androidx.appcompat.widget.SearchView"
         app:showAsAction="always|collapseActionView" />
     <item
         android:id="@+id/action_settings"

build.gradle

@@ -9,7 +9,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:4.1.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -22,6 +22,7 @@ allprojects {
         maven {
             url "https://maven.google.com"
         }
+        google()
     }
 }