From 59ed4c53ffa036d3fd89d8c9d652c0c88fa3d95c Mon Sep 17 00:00:00 2001
From: Docile-Alligator <chineseperson5@gmail.com>
Date: Thu, 17 Mar 2022 21:22:26 +0800
Subject: [PATCH] Prevent WebView from reloading the website after orientation
 change in WebViewActivity.

---
 app/src/main/AndroidManifest.xml              |  3 ++-
 .../activities/WebViewActivity.java           | 19 +++++++++++++++++--
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 71359562..05cd4a65 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -76,7 +76,8 @@
             android:name=".activities.WebViewActivity"
             android:label=""
             android:parentActivityName=".activities.MainActivity"
-            android:theme="@style/AppTheme.NoActionBar" />
+            android:theme="@style/AppTheme.NoActionBar"
+            android:configChanges="orientation|screenSize" />
         <activity
             android:name=".activities.SuicidePreventionActivity"
             android:parentActivityName=".activities.MainActivity"
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/WebViewActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/WebViewActivity.java
index 37ac9b9b..c21ac456 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/WebViewActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/WebViewActivity.java
@@ -19,6 +19,7 @@ import android.webkit.WebView;
 import android.webkit.WebViewClient;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 
@@ -79,8 +80,10 @@ public class WebViewActivity extends BaseActivity {
         webView.getSettings().setDomStorageEnabled(true);
 
         url = getIntent().getDataString();
-        toolbar.setTitle(url);
-        webView.loadUrl(url);
+        if (savedInstanceState == null) {
+            toolbar.setTitle(url);
+            webView.loadUrl(url);
+        }
 
         WebViewClient client = new WebViewClient() {
             @Override
@@ -177,4 +180,16 @@ public class WebViewActivity extends BaseActivity {
         }
         return super.onKeyDown(keyCode, event);
     }
+
+    @Override
+    protected void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        webView.saveState(outState);
+    }
+
+    @Override
+    protected void onRestoreInstanceState(@NonNull Bundle savedInstanceState) {
+        super.onRestoreInstanceState(savedInstanceState);
+        webView.restoreState(savedInstanceState);
+    }
 }
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