How to Create an Android TV Wrapper App for Hayer.tv with Ad Blocking

// Example of DNS filtering setup
private void setupDNSFiltering() {
    PrivateDnsHelper.enablePrivateDns(context, "dns.adguard.com");
}

public class MainActivity extends Activity {
    private WebView webView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        webView = findViewById(R.id.webview);
        setupWebView();
    }

    private void setupWebView() {
        // Enable JavaScript
        WebSettings webSettings = webView.getSettings();
        webSettings.setJavaScriptEnabled(true);
        webSettings.setDomStorageEnabled(true);
        webSettings.setMediaPlaybackRequiresUserGesture(false);

        // Optimization for Android TV
        webSettings.setSupportZoom(false);
        webSettings.setBuiltInZoomControls(false);
        webSettings.setDisplayZoomControls(false);

        // Settings for remote control
        webView.requestFocus();
        webView.setFocusableInTouchMode(true);
        
        // Set WebViewClient
        webView.setWebViewClient(new CustomWebViewClient());
        
        // Set WebChromeClient for media handling
        webView.setWebChromeClient(new CustomWebChromeClient());
    }
}

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    switch (keyCode) {
        case KeyEvent.KEYCODE_DPAD_UP:
        case KeyEvent.KEYCODE_DPAD_DOWN:
        case KeyEvent.KEYCODE_DPAD_LEFT:
        case KeyEvent.KEYCODE_DPAD_RIGHT:
        case KeyEvent.KEYCODE_CENTER:
            // Handle navigation
            handleNavigation(keyCode);
            return true;
        default:
            return super.onKeyDown(keyCode, event);
    }
}

private void handleNavigation(int keyCode) {
    // Send command to WebView through JavaScript interface
    String command = "handleNavigation('" + keyCode + "')";
    webView.evaluateJavascript(command, null);
}

public class WebAppInterface {
    Context context;

    WebAppInterface(Context c) {
        context = c;
    }

    @JavascriptInterface
    public void navigate(String direction) {
        // Handle navigation in Android
        runOnUiThread(() -> {
            switch (direction) {
                case "up":
                    // Up navigation logic
                    break;
                case "down":
                    // Down navigation logic
                    break;
            }
        });
    }
}

// Set up the interface
webView.addJavascriptInterface(new WebAppInterface(this), "AndroidTV");

webSettings.setMediaPlaybackRequiresUserGesture(false);
webSettings.setAllowFileAccess(true);
webSettings.setAllowContentAccess(true);
webSettings.setAllowUniversalAccessFromFileURLs(true);

// For HTML5 video
webSettings.setPluginState(WebSettings.PluginState.ON);
webSettings.setUseWideViewPort(true);
webSettings.setLoadWithOverviewMode(true);

private class CustomWebChromeClient extends WebChromeClient {
    @Override
    public void onShowCustomView(View view, CustomViewCallback callback) {
        // Handle fullscreen mode
        setContentView(view);
        customViewCallback = callback;
    }

    @Override
    public void onHideCustomView() {
        // Return to normal mode
        if (customViewCallback != null) {
            customViewCallback.onCustomViewHidden();
            customViewCallback = null;
        }
        setContentView(webView);
    }
}

// Save cookies and session
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.setAcceptCookie(true);
cookieManager.setCookie("https://hayer.tv", "session_id=" + sessionId);

// Automatic session refresh
private void refreshSession() {
    new Handler().postDelayed(() -> {
        // Send request to maintain session
        webView.evaluateJavascript("keepSessionAlive()", null);
    }, 30 * 60 * 1000); // Every 30 minutes
}

private class CustomWebViewClient extends WebViewClient {
    @Override
    public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
        // Handle errors and session restoration
        handleSessionError();
    }

    @Override
    public void onPageFinished(WebView view, String url) {
        super.onPageFinished(view, url);
        // Check and restore session
        checkAndRestoreSession();
    }
}

<!-- AndroidManifest.xml -->
<uses-feature android:name="android.hardware.touchscreen" android:required="false" />
<uses-feature android:name="android.software.leanback" android:required="true" />

// Enable WebView debugging
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
    WebView.setWebContentsDebuggingEnabled(true);
}

// Error logging
webView.setWebViewClient(new WebViewClient() {
    @Override
    public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
        Log.e("WebViewError", "Error loading: " + request.getUrl());
    }
});