Minor fixes and cleanup

Author: sarsamurmu

app/src/main/AndroidManifest.xml

@@ -30,22 +30,6 @@
         android:enableOnBackInvokedCallback="true"
         tools:targetApi="33">
 
-        <!--<activity
-            android:name=".activities.SplashActivity"
-            android:launchMode="singleTop"
-            android:noHistory="true"
-            android:screenOrientation="portrait"
-            android:exported="true"
-            android:theme="@style/CandyBar.Theme.Splash">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-            <meta-data
-                android:name="android.app.shortcuts"
-                android:resource="@xml/shortcuts" />
-        </activity>-->
-
         <activity
             android:name=".activities.MainActivity"
             android:launchMode="singleTop"

app/src/main/java/com/candybar/dev/activities/SplashActivity.java

@@ -65,14 +65,14 @@
     <string name="premium_request_pacific_api_key"></string>
 
     <!-- CONFIG: CLOUD WALLPAPERS -->
-    <string name="wallpaper_json">https://zixpo.github.io/candybar-sources/walls_alt.json</string>
+    <string name="wallpaper_json">https://zixpo.github.io/candybar-sources/walls.json</string>
     <!--<string name="wallpaper_json">assets://wallpapers_offline.json</string>-->
     <bool name="enable_wallpaper_download">true</bool>
     <bool name="wallpaper_show_name_author">true</bool>
     <string name="wallpaper_grid_preview_style">square</string>
 
     <!-- CONFIG: ABOUT -->
-    <string name="about_image">https://source.unsplash.com/_8WAobqAJog/1400x0</string>
+    <string name="about_image">https://zixpo.github.io/candybar-sources/images/tasha-kostyuk-0DshL2mq68s-unsplash.jpg</string>
     <string name="about_profile_image">about_image</string>
     <string name="about_title">CandyBar \nMaterial Dashboard</string>
     <string name="about_desc">

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

@@ -21,6 +21,7 @@
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.activity.OnBackPressedCallback;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
@@ -39,6 +40,7 @@
 import com.danimahardhika.android.helpers.core.ColorHelper;
 import com.danimahardhika.android.helpers.core.DrawableHelper;
 import com.danimahardhika.android.helpers.core.WindowHelper;
+import com.danimahardhika.android.helpers.core.utils.LogUtil;
 import com.danimahardhika.android.helpers.permission.PermissionCode;
 import com.kogitune.activitytransition.ActivityTransition;
 import com.kogitune.activitytransition.ExitActivityTransition;
@@ -127,6 +129,12 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
         mBack.setImageDrawable(DrawableHelper.getTintedDrawable(
                 this, R.drawable.ic_toolbar_back, Color.WHITE));
         mBack.setOnClickListener(this);
+        getOnBackPressedDispatcher().addCallback(new OnBackPressedCallback(true) {
+            @Override
+            public void handleOnBackPressed() {
+                closePreview();
+            }
+        });
 
         String url = "";
         if (savedInstanceState != null) {
@@ -263,8 +271,7 @@ protected void onDestroy() {
         super.onDestroy();
     }
 
-    @Override
-    public void onBackPressed() {
+    private void closePreview() {
         WallpapersAdapter.sIsClickable = true;
         if (mHandler != null && mRunnable != null)
             mHandler.removeCallbacks(mRunnable);
@@ -273,14 +280,13 @@ public void onBackPressed() {
             mExitTransition.exit(this);
             return;
         }
-        super.onBackPressed();
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         int id = item.getItemId();
         if (id == android.R.id.home) {
-            onBackPressed();
+            closePreview();
             return true;
         }
         return super.onOptionsItemSelected(item);
@@ -290,7 +296,7 @@ public boolean onOptionsItemSelected(MenuItem item) {
     public void onClick(View view) {
         int id = view.getId();
         if (id == R.id.back) {
-            onBackPressed();
+            closePreview();
         } else if (id == R.id.menu_apply) {
             Popup popup = Popup.Builder(this)
                     .to(mMenuApply)