Android PWA-Installationshinweis mit direktem Install-Button hinzugefügt

src/client/components/pwa-install-prompt.tsx

@@ -1,10 +1,19 @@
 import { useEffect, useState } from 'react';
 
+interface BeforeInstallPromptEvent extends Event {
+  prompt: () => Promise<void>;
+  userChoice: Promise<{ outcome: 'accepted' | 'dismissed' }>;
+}
+
 declare global {
   interface Navigator { standalone?: boolean }
+  interface WindowEventMap {
+    beforeinstallprompt: BeforeInstallPromptEvent;
+  }
 }
 
 const LAST_SHOWN_KEY = 'pwaInstallPrompt_lastShown';
+const ANDROID_DISMISSED_KEY = 'pwaInstallPrompt_androidDismissed';
 
 function isIOS(): boolean {
   if (typeof navigator === 'undefined') return false;
@@ -31,59 +40,144 @@ function isStandalone(): boolean {
 export function PWAInstallPrompt({ hidden = false }: { hidden?: boolean }) {
   if (hidden) return null;
   const [show, setShow] = useState(false);
+  const [promptType, setPromptType] = useState<'ios' | 'android' | null>(null);
+  const [deferredPrompt, setDeferredPrompt] = useState<BeforeInstallPromptEvent | null>(null);
   const [initialized, setInitialized] = useState(false);
 
   useEffect(() => {
     // Only run on client
     if (typeof window === 'undefined') return;
 
-    const eligible = isIOS() && isSafari() && !isStandalone();
-    if (!eligible) {
+    // Check if already in standalone mode
+    if (isStandalone()) {
       setInitialized(true);
       return;
     }
 
-    let lastShown = 0;
-    try {
-      lastShown = Number(localStorage.getItem(LAST_SHOWN_KEY) || 0);
-    } catch {}
-    const oneWeek = 7 * 24 * 60 * 60 * 1000;
-    const shouldShow = !lastShown || Date.now() - lastShown > oneWeek;
+    // Handle iOS
+    const isIOSDevice = isIOS() && isSafari();
+    if (isIOSDevice) {
+      let lastShown = 0;
+      try {
+        lastShown = Number(localStorage.getItem(LAST_SHOWN_KEY) || 0);
+      } catch {}
+      const oneWeek = 7 * 24 * 60 * 60 * 1000;
+      const shouldShow = !lastShown || Date.now() - lastShown > oneWeek;
 
-    setShow(shouldShow);
+      if (shouldShow) {
+        setPromptType('ios');
+        setShow(true);
+      }
+      setInitialized(true);
+      return;
+    }
+
+    // Handle Android (beforeinstallprompt)
+    const handleBeforeInstall = (e: BeforeInstallPromptEvent) => {
+      e.preventDefault();
+      
+      // Check if user has dismissed Android prompt before
+      let dismissed = false;
+      try {
+        dismissed = localStorage.getItem(ANDROID_DISMISSED_KEY) === 'true';
+      } catch {}
+      
+      if (!dismissed) {
+        setDeferredPrompt(e);
+        setPromptType('android');
+        setShow(true);
+      }
+    };
+
+    window.addEventListener('beforeinstallprompt', handleBeforeInstall);
     setInitialized(true);
+
+    return () => {
+      window.removeEventListener('beforeinstallprompt', handleBeforeInstall);
+    };
   }, []);
 
   const dismiss = () => {
-    try { localStorage.setItem(LAST_SHOWN_KEY, String(Date.now())); } catch {}
+    if (promptType === 'ios') {
+      try { localStorage.setItem(LAST_SHOWN_KEY, String(Date.now())); } catch {}
+    } else if (promptType === 'android') {
+      try { localStorage.setItem(ANDROID_DISMISSED_KEY, 'true'); } catch {}
+    }
     setShow(false);
   };
 
-  if (!initialized || !show) return null;
+  const handleAndroidInstall = async () => {
+    if (!deferredPrompt) return;
+
+    try {
+      await deferredPrompt.prompt();
+      const choiceResult = await deferredPrompt.userChoice;
+      
+      if (choiceResult.outcome === 'accepted') {
+        console.log('PWA installation accepted');
+      }
+      
+      setDeferredPrompt(null);
+      setShow(false);
+    } catch (error) {
+      console.error('Error during PWA installation:', error);
+    }
+  };
+
+  if (!initialized || !show || !promptType) return null;
 
   return (
     <div
       role="dialog"
-      aria-label="PWA Installation Anleitung"
+      aria-label={promptType === 'android' ? 'PWA Installation' : 'PWA Installation Anleitung'}
       className="fixed bottom-0 left-0 right-0 z-50 px-4 pb-4"
       style={{ paddingBottom: `max(env(safe-area-inset-bottom), 1rem)` }}
     >
       <div className="relative max-w-3xl mx-auto rounded-xl shadow-lg bg-gradient-to-r from-pink-500 to-purple-600 text-white p-4 sm:p-6">
         <button aria-label="Hinweis schließen" onClick={dismiss} className="absolute top-2 right-2 text-white/90 hover:text-white text-2xl leading-none">×</button>
-        <div className="flex items-start gap-3">
-          <div className="text-2xl">📱</div>
-          <div className="flex-1">
-            <h3 className="text-lg sm:text-xl font-bold mb-2">App installieren</h3>
-            <p className="text-white/90 mb-2">So installierst du Stargirlnails als App auf deinem iPhone/iPad:</p>
-            <ol className="list-decimal pl-5 space-y-1 text-white/95">
-              <li>Öffne diese Seite in Safari (nicht Chrome oder andere Browser).</li>
-              <li>Tippe auf das Teilen-Symbol (□↑) unten in der Mitte.</li>
-              <li>Scrolle nach unten und wähle „Zum Home-Bildschirm".</li>
-              <li>Tippe auf „Hinzufügen".</li>
-            </ol>
-            <p className="mt-3 text-sm text-white/90">✨ Schneller Zugriff, keine App-Store-Installation nötig, automatische Updates.</p>
+        
+        {promptType === 'android' ? (
+          // Android: Direct install button
+          <div className="flex items-center gap-4">
+            <div className="text-3xl">📱</div>
+            <div className="flex-1">
+              <h3 className="text-lg sm:text-xl font-bold mb-2">App installieren</h3>
+              <p className="text-white/90 mb-3">
+                Installiere Stargirlnails als App für schnellen Zugriff direkt vom Startbildschirm!
+              </p>
+              <div className="flex gap-2">
+                <button
+                  onClick={handleAndroidInstall}
+                  className="bg-white text-pink-600 px-4 py-2 rounded-lg font-semibold hover:bg-pink-50 transition-colors"
+                >
+                  Jetzt installieren
+                </button>
+                <button
+                  onClick={dismiss}
+                  className="bg-white/20 text-white px-4 py-2 rounded-lg font-semibold hover:bg-white/30 transition-colors"
+                >
+                  Später
+                </button>
+              </div>
+            </div>
           </div>
-        </div>
+        ) : (
+          // iOS: Manual instructions
+          <div className="flex items-start gap-3">
+            <div className="text-2xl">📱</div>
+            <div className="flex-1">
+              <h3 className="text-lg sm:text-xl font-bold mb-2">App installieren</h3>
+              <p className="text-white/90 mb-2">So installierst du Stargirlnails als App auf deinem iPhone/iPad:</p>
+              <ol className="list-decimal pl-5 space-y-1 text-white/95">
+                <li>Öffne diese Seite in Safari (nicht Chrome oder andere Browser).</li>
+                <li>Tippe auf das Teilen-Symbol (□↑) unten in der Mitte.</li>
+                <li>Scrolle nach unten und wähle „Zum Home-Bildschirm".</li>
+                <li>Tippe auf „Hinzufügen".</li>
+              </ol>
+              <p className="mt-3 text-sm text-white/90">✨ Schneller Zugriff, keine App-Store-Installation nötig, automatische Updates.</p>
+            </div>
+          </div>
+        )}
       </div>
     </div>
   );