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Keep the page across process death #233

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Keep the page across process death #233

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a51f21c
Keep the page across process death
dkodr Sep 11, 2026
5c08ce2
Enable the back-forward cache
dkodr Sep 11, 2026
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2 changes: 1 addition & 1 deletion app/build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@ dependencies {
implementation 'androidx.navigation:navigation-ui:2.8.9'
implementation 'com.google.code.gson:gson:2.11.0'
implementation 'io.github.medyo:android-about-page:2.0.0'
implementation 'androidx.webkit:webkit:1.13.0'
implementation 'androidx.webkit:webkit:1.17.0'
implementation 'com.jakewharton:process-phoenix:2.1.2'
testImplementation 'junit:junit:4.13.2'
testImplementation 'org.robolectric:robolectric:4.14.1'
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25 changes: 21 additions & 4 deletions app/src/main/java/com/cylonid/nativealpha/WebViewActivity.java
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Expand Up @@ -52,6 +52,7 @@
import androidx.core.app.ShareCompat;
import androidx.core.content.ContextCompat;
import androidx.webkit.WebSettingsCompat;
import androidx.webkit.WebViewCompat;
import androidx.webkit.WebViewFeature;

import com.cylonid.nativealpha.databinding.DialogHttpAuthBinding;
Expand Down Expand Up @@ -119,6 +120,8 @@ public class WebViewActivity extends AppCompatActivity implements EasyPermission
private AdblockProviderApiHelper adblockProviderApiHelper;
private AdblockLifecycleHelper adblockLifecycleHelper;

private static final int MAX_SAVED_STATE_BYTES = 256 * 1024;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Expand All @@ -135,14 +138,14 @@ protected void onCreate(Bundle savedInstanceState) {
finish();
} else {
if(webapp.isBiometricProtection()) {
new BiometricPromptHelper(WebViewActivity.this).showPrompt(() -> setupWebView(), () -> finish(), getString(R.string.bioprompt_restricted_webapp));
new BiometricPromptHelper(WebViewActivity.this).showPrompt(() -> setupWebView(savedInstanceState), () -> finish(), getString(R.string.bioprompt_restricted_webapp));
}
setupWebView();
setupWebView(savedInstanceState);
}
}

@SuppressLint("ClickableViewAccessibility")
private void setupWebView() {
private void setupWebView(Bundle savedState) {

String processName = Application.getProcessName();
String packageName = this.getPackageName();
Expand Down Expand Up @@ -245,8 +248,14 @@ private void setupWebView() {
wv.getSettings().setBuiltInZoomControls(true);
}

if (WebViewFeature.isFeatureSupported(WebViewFeature.BACK_FORWARD_CACHE)) {
WebSettingsCompat.setBackForwardCacheEnabled(wv.getSettings(), true);
}

CUSTOM_HEADERS = initCustomHeaders(webapp.isSendSavedataRequest());
loadURL(wv, url);
if (savedState == null || wv.restoreState(savedState) == null) {
loadURL(wv, url);
}
wv.setWebChromeClient(new CustomWebChromeClient());
wv.setOnLongClickListener(view -> {
if(webapp.getAlwaysUseFallbackContextMenu()) return false;
Expand Down Expand Up @@ -507,6 +516,14 @@ private void showWebViewPopupMenu() {
mPopupMenu.show();
}

@Override
protected void onSaveInstanceState(@NonNull Bundle outState) {
super.onSaveInstanceState(outState);
if (wv != null && WebViewFeature.isFeatureSupported(WebViewFeature.SAVE_STATE)) {
WebViewCompat.saveState(wv, outState, MAX_SAVED_STATE_BYTES, false);
}
}

@Override
public void onConfigurationChanged(@NonNull Configuration newConfig) {
super.onConfigurationChanged(newConfig);
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