fix(android): add SplashActivity with video intro — fix NPE by moving insetsController after setContentView

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

android/app/src/main/kotlin/com/sicherhaven/eventify/SplashActivity.kt

@@ -0,0 +1,80 @@
+package com.sicherhaven.eventify
+
+import android.app.Activity
+import android.content.Intent
+import android.graphics.Color
+import android.media.MediaPlayer
+import android.net.Uri
+import android.os.Build
+import android.os.Bundle
+import android.view.View
+import android.view.ViewGroup
+import android.view.WindowInsets
+import android.view.WindowInsetsController
+import android.view.WindowManager
+import android.widget.FrameLayout
+import android.widget.VideoView
+
+class SplashActivity : Activity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        window.setFlags(
+            WindowManager.LayoutParams.FLAG_FULLSCREEN,
+            WindowManager.LayoutParams.FLAG_FULLSCREEN
+        )
+
+        // White background matches splash logo/video content
+        val container = FrameLayout(this)
+        container.setBackgroundColor(Color.WHITE)
+        setContentView(container, ViewGroup.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT,
+            ViewGroup.LayoutParams.MATCH_PARENT
+        ))
+
+        // Edge-to-edge: hide both status bar and navigation bar (after setContentView so DecorView exists)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            window.insetsController?.let {
+                it.hide(WindowInsets.Type.statusBars() or WindowInsets.Type.navigationBars())
+                it.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+            }
+        } else {
+            @Suppress("DEPRECATION")
+            window.decorView.systemUiVisibility = (
+                View.SYSTEM_UI_FLAG_FULLSCREEN
+                or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+                or View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+                or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+                or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+            )
+        }
+
+        val videoView = VideoView(this)
+        container.addView(videoView, FrameLayout.LayoutParams(
+            FrameLayout.LayoutParams.MATCH_PARENT,
+            FrameLayout.LayoutParams.MATCH_PARENT
+        ))
+
+        val uri = Uri.parse("android.resource://$packageName/${R.raw.splash_video}")
+        videoView.setVideoURI(uri)
+
+        videoView.setOnPreparedListener { mp ->
+            mp.setVideoScalingMode(MediaPlayer.VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING)
+            mp.start()
+        }
+
+        videoView.setOnCompletionListener {
+            startActivity(Intent(this, MainActivity::class.java))
+            finish()
+        }
+
+        videoView.setOnErrorListener { _, _, _ ->
+            startActivity(Intent(this, MainActivity::class.java))
+            finish()
+            true
+        }
+
+        videoView.requestFocus()
+    }
+}