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feat: Implement fullscreen WebView for vshare with theme auto-adaptation
- Add VshareWebActivity for fullscreen display of vshare page - Implement automatic light/dark theme adaptation based on app's current mode - Replace browser opening with native WebView experience - Add progress bar for loading indication - Enable JavaScript and DOM storage for proper page functionality - Handle back navigation within WebView 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
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‎app/src/main/AndroidManifest.xml‎

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android:exported="true"
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android:label="添加附言" />
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<activity android:name=".general.PageHost" />
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<activity
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android:name=".module.vshare.VshareWebActivity"
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android:exported="false"
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android:theme="@style/GalleryTheme"
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android:configChanges="orientation|keyboardHidden|screenSize" />
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</application>
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</manifest>

‎app/src/main/java/me/ghui/v2er/module/home/MainActivity.java‎

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Navigator.from(getContext()).to(CreateTopicActivity.class).start();
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break;
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case R.id.vshare_nav_item:
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Utils.openInBrowser("https://v2er.app/vshare", getContext());
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me.ghui.v2er.module.vshare.VshareWebActivity.open(getContext());
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mVshareVersionChecker.markAsViewed();
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updateVshareBadge();
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break;

‎app/src/main/java/me/ghui/v2er/module/vshare/VshareWebActivity.java‎

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package me.ghui.v2er.module.vshare;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.content.Intent;
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import android.graphics.Bitmap;
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import android.os.Bundle;
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import android.view.View;
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import android.view.Window;
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import android.view.WindowManager;
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import android.webkit.WebChromeClient;
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import android.webkit.WebResourceRequest;
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import android.webkit.WebSettings;
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import android.webkit.WebView;
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import android.webkit.WebViewClient;
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import android.widget.ProgressBar;
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import androidx.appcompat.app.AppCompatActivity;
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import butterknife.BindView;
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import butterknife.ButterKnife;
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import me.ghui.v2er.R;
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import me.ghui.v2er.util.DarkModelUtils;
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/**
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* Fullscreen WebView Activity for displaying vshare page
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* with automatic theme adaptation
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*/
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public class VshareWebActivity extends AppCompatActivity {
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private static final String KEY_URL = "url";
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private static final String VSHARE_BASE_URL = "https://v2er.app/vshare";
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@BindView(R.id.webview)
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WebView mWebView;
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@BindView(R.id.progress_bar)
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ProgressBar mProgressBar;
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public static void open(Context context) {
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Intent intent = new Intent(context, VshareWebActivity.class);
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// Append theme parameter based on current app theme
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String url = VSHARE_BASE_URL;
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if (DarkModelUtils.isDarkMode()) {
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url += "?theme=dark";
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} else {
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url += "?theme=light";
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}
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intent.putExtra(KEY_URL, url);
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context.startActivity(intent);
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// Request fullscreen mode
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requestWindowFeature(Window.FEATURE_NO_TITLE);
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getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
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WindowManager.LayoutParams.FLAG_FULLSCREEN);
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// Hide action bar if present
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if (getSupportActionBar() != null) {
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getSupportActionBar().hide();
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}
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setContentView(R.layout.activity_vshare_web);
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ButterKnife.bind(this);
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setupWebView();
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// Load the URL
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String url = getIntent().getStringExtra(KEY_URL);
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if (url != null) {
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mWebView.loadUrl(url);
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}
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}
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@SuppressLint("SetJavaScriptEnabled")
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private void setupWebView() {
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WebSettings settings = mWebView.getSettings();
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// Enable JavaScript
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settings.setJavaScriptEnabled(true);
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// Enable DOM storage
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settings.setDomStorageEnabled(true);
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// Enable responsive layout
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settings.setUseWideViewPort(true);
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settings.setLoadWithOverviewMode(true);
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// Enable zoom
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settings.setSupportZoom(true);
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settings.setBuiltInZoomControls(true);
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settings.setDisplayZoomControls(false);
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// Set cache mode
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settings.setCacheMode(WebSettings.LOAD_DEFAULT);
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// Set WebViewClient to handle navigation
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mWebView.setWebViewClient(new WebViewClient() {
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@Override
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public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
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// Keep navigation within the WebView
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view.loadUrl(request.getUrl().toString());
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return true;
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}
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@Override
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public void onPageStarted(WebView view, String url, Bitmap favicon) {
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super.onPageStarted(view, url, favicon);
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mProgressBar.setVisibility(View.VISIBLE);
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}
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@Override
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public void onPageFinished(WebView view, String url) {
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super.onPageFinished(view, url);
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mProgressBar.setVisibility(View.GONE);
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// Inject CSS to ensure proper theme is applied
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String theme = DarkModelUtils.isDarkMode() ? "dark" : "light";
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String js = "javascript:(function() { " +
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"document.documentElement.setAttribute('data-theme', '" + theme + "'); " +
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"})()";
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mWebView.loadUrl(js);
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}
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});
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// Set WebChromeClient for progress updates
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mWebView.setWebChromeClient(new WebChromeClient() {
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@Override
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public void onProgressChanged(WebView view, int newProgress) {
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mProgressBar.setProgress(newProgress);
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if (newProgress == 100) {
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mProgressBar.setVisibility(View.GONE);
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}
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}
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});
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}
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@Override
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public void onBackPressed() {
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// Handle back navigation in WebView
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if (mWebView.canGoBack()) {
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mWebView.goBack();
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} else {
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super.onBackPressed();
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}
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}
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@Override
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protected void onDestroy() {
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if (mWebView != null) {
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mWebView.clearHistory();
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mWebView.clearCache(true);
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mWebView.loadUrl("about:blank");
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mWebView.pauseTimers();
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mWebView.destroy();
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}
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super.onDestroy();
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}
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}

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

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<?xml version="1.0" encoding="utf-8"?>
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<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:background="?android:attr/windowBackground">
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<WebView
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android:id="@+id/webview"
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android:layout_width="match_parent"
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android:layout_height="match_parent" />
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<ProgressBar
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android:id="@+id/progress_bar"
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style="?android:attr/progressBarStyleHorizontal"
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android:layout_width="match_parent"
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android:layout_height="3dp"
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android:layout_gravity="top"
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android:progressTint="@color/colorAccent"
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android:visibility="gone" />
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</FrameLayout>

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