implement edge-to-edge display support with modern WindowInsets API ( needed since TargetSdkVersion 35) and fix auto-rotation system settings

Author: rubo77

app/src/main/AndroidManifest.xml

@@ -16,7 +16,7 @@
             android:name="roboyard.eclabs.ui.MainFragmentActivity"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.NoActionBar"
-            android:screenOrientation="fullSensor">
+            android:screenOrientation="user">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

app/src/main/java/roboyard/eclabs/ui/MainFragmentActivity.java

@@ -6,6 +6,9 @@
 import android.net.Uri;
 import android.os.Bundle;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.view.WindowCompat;
+import androidx.core.view.WindowInsetsCompat;
+import androidx.core.view.WindowInsetsControllerCompat;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.NavController;
 import androidx.navigation.fragment.NavHostFragment;
@@ -49,6 +52,10 @@ public static int getBoardHeight() {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        // Enable edge-to-edge display for modern Android versions
+        // This is safe for all versions as WindowCompat handles compatibility
+        WindowCompat.setDecorFitsSystemWindows(getWindow(), false);
+        
         // Apply fullscreen mode if enabled
         applyFullscreenMode();
 
@@ -665,22 +672,83 @@ private void applyLanguageSettings() {
     private void applyFullscreenMode() {
         // Check if fullscreen is enabled in preferences
         boolean fullscreenEnabled = Preferences.fullscreenEnabled;
-        
+
         if (fullscreenEnabled) {
-            // Apply fullscreen mode by hiding the system UI
+            // Apply fullscreen mode for edge-to-edge compatibility
+            applyFullscreenModeForEdgeToEdge();
+        } else {
+            // Apply normal mode for edge-to-edge compatibility
+            applyNormalModeForEdgeToEdge();
+        }
+    }
+
+    private void applyFullscreenModeForEdgeToEdge() {
+        try {
+            // Use modern WindowInsets API for API 30+
+            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.R) {
+                WindowInsetsControllerCompat windowInsetsController =
+                    WindowCompat.getInsetsController(getWindow(), getWindow().getDecorView());
+                windowInsetsController.hide(WindowInsetsCompat.Type.systemBars());
+                windowInsetsController.setSystemBarsBehavior(
+                    WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
+            } else {
+                // Fallback for older Android versions
+                getWindow().getDecorView().setSystemUiVisibility(
+                        View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+                        | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+                        | View.SYSTEM_UI_FLAG_FULLSCREEN);
+            }
+            Timber.d("[FULLSCREEN] Edge-to-edge fullscreen mode enabled");
+        } catch (Exception e) {
+            Timber.e(e, "[FULLSCREEN] Error applying edge-to-edge fullscreen mode, falling back to legacy");
+            // Fallback to legacy fullscreen
+            applyLegacyFullscreen();
+        }
+    }
+
+    private void applyNormalModeForEdgeToEdge() {
+        try {
+            // Use modern WindowInsets API for API 30+
+            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.R) {
+                WindowInsetsControllerCompat windowInsetsController =
+                    WindowCompat.getInsetsController(getWindow(), getWindow().getDecorView());
+                windowInsetsController.show(WindowInsetsCompat.Type.systemBars());
+            } else {
+                // Fallback for older Android versions
+                getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
+            }
+            Timber.d("[FULLSCREEN] Edge-to-edge normal mode - system bars visible");
+        } catch (Exception e) {
+            Timber.e(e, "[FULLSCREEN] Error applying edge-to-edge normal mode, falling back to legacy");
+            // Fallback to legacy normal mode
+            applyLegacyNormalMode();
+        }
+    }
+
+    private void applyLegacyFullscreen() {
+        try {
             getWindow().getDecorView().setSystemUiVisibility(
                     View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
                     | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                     | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                     | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                     | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                     | View.SYSTEM_UI_FLAG_FULLSCREEN);
-            
-            Timber.d("[FULLSCREEN] Fullscreen mode enabled");
-        } else {
-            // Ensure normal mode with system UI visible
+            Timber.d("[FULLSCREEN] Legacy fullscreen mode applied");
+        } catch (Exception e) {
+            Timber.e(e, "[FULLSCREEN] Error applying legacy fullscreen");
+        }
+    }
+
+    private void applyLegacyNormalMode() {
+        try {
             getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
-            Timber.d("[FULLSCREEN] Fullscreen mode disabled");
+            Timber.d("[FULLSCREEN] Legacy normal mode applied");
+        } catch (Exception e) {
+            Timber.e(e, "[FULLSCREEN] Error applying legacy normal mode");
         }
     }
 }

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

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
     tools:context=".MainActivity">
 
     <androidx.fragment.app.FragmentContainerView

dev/TODO.md

@@ -90,4 +90,7 @@ check if this all works:
 
 # most important
 
-Der Margin unter dem game grid ist zu klein, die untere Zeile des Games ist verdeckt. der game screen darf niemals verdeckt werden, er muss in der hchsten z-ebene liegen
+- Wenn man jetzt den bildschrm dreht, dreht er immer die app ausrichtung (landscape oder protrait) unabhngig von den einstellungen im system.
+die app soll aber der systemeinstellung für automatisch drehen gehorchen, also z.b. nicht drehen, wenn dies im system ausgeschaltet ist
+
+Wenn man den fullscreen ausschaltet, ist die app trotzdem noch bildschirmfüllend, das soll aber nicht, es soll dann die obere statuszeile des systems ihren eigenen platz haben, (also das normale verhalten, wie bei den meisten apps sonst auch)