Fix: Migrate to WindowInsets API for API 30+

app/src/main/java/com/termux/app/TermuxActivity.java

@@ -62,6 +62,7 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.view.WindowInsetsCompat;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.viewpager.widget.ViewPager;
 
@@ -233,7 +234,8 @@ public void onCreate(Bundle savedInstanceState) {
 
         View content = findViewById(android.R.id.content);
         content.setOnApplyWindowInsetsListener((v, insets) -> {
-            mNavBarHeight = insets.getSystemWindowInsetBottom();
+            WindowInsetsCompat insetsCompat = WindowInsetsCompat.toWindowInsetsCompat(insets);
+            mNavBarHeight = insetsCompat.getInsets(WindowInsetsCompat.Type.navigationBars()).bottom;
             return insets;
         });
 

app/src/main/java/com/termux/app/terminal/TermuxActivityRootView.java

@@ -3,6 +3,7 @@
 import android.content.Context;
 import android.graphics.Rect;
 import android.inputmethodservice.InputMethodService;
+import android.os.Build;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
@@ -275,7 +276,19 @@ public void onGlobalLayout() {
     public static class WindowInsetsListener implements View.OnApplyWindowInsetsListener {
         @Override
         public WindowInsets onApplyWindowInsets(View v, WindowInsets insets) {
-            mStatusBarHeight =  WindowInsetsCompat.toWindowInsetsCompat(insets).getInsets(WindowInsetsCompat.Type.statusBars()).top;
+            WindowInsetsCompat insetsCompat = WindowInsetsCompat.toWindowInsetsCompat(insets);
+            mStatusBarHeight = insetsCompat.getInsets(WindowInsetsCompat.Type.statusBars()).top;
+
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                // If decorFitsSystemWindows is false, we should apply padding to avoid overlapping with system bars and IME.
+                androidx.core.graphics.Insets systemBarInsets = insetsCompat.getInsets(WindowInsetsCompat.Type.systemBars());
+                androidx.core.graphics.Insets imeInsets = insetsCompat.getInsets(WindowInsetsCompat.Type.ime());
+
+                // Use the maximum of system bar bottom and IME bottom to avoid overlapping
+                int bottomPadding = Math.max(systemBarInsets.bottom, imeInsets.bottom);
+                v.setPadding(systemBarInsets.left, systemBarInsets.top, systemBarInsets.right, bottomPadding);
+            }
+
             // Let view window handle insets however it wants
             return v.onApplyWindowInsets(insets);
         }

app/src/main/java/com/termux/app/terminal/io/FullScreenWorkAround.java

@@ -1,8 +1,12 @@
 package com.termux.app.terminal.io;
 
 import android.graphics.Rect;
+import android.os.Build;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowInsets;
+
+import androidx.core.view.WindowInsetsCompat;
 
 import com.termux.app.TermuxActivity;
 
@@ -31,7 +35,24 @@ private FullScreenWorkAround(TermuxActivity activity) {
         mChildOfContent = content.getChildAt(0);
         mViewGroupLayoutParams = mChildOfContent.getLayoutParams();
         mNavBarHeight = activity.getNavBarHeight();
-        mChildOfContent.getViewTreeObserver().addOnGlobalLayoutListener(this::possiblyResizeChildOfContent);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            mChildOfContent.setOnApplyWindowInsetsListener((v, insets) -> {
+                WindowInsetsCompat insetsCompat = WindowInsetsCompat.toWindowInsetsCompat(insets);
+                int imeHeight = insetsCompat.getInsets(WindowInsetsCompat.Type.ime()).bottom;
+                int navBarHeight = insetsCompat.getInsets(WindowInsetsCompat.Type.navigationBars()).bottom;
+
+                if (imeHeight > 0) {
+                    mViewGroupLayoutParams.height = v.getRootView().getHeight() - imeHeight + navBarHeight;
+                } else {
+                    mViewGroupLayoutParams.height = v.getRootView().getHeight();
+                }
+                v.setLayoutParams(mViewGroupLayoutParams);
+                return insets;
+            });
+        } else {
+            mChildOfContent.getViewTreeObserver().addOnGlobalLayoutListener(this::possiblyResizeChildOfContent);
+        }
     }
 
     private void possiblyResizeChildOfContent() {

termux-shared/src/main/java/com/termux/shared/view/KeyboardUtils.java

@@ -105,12 +105,19 @@ public static void setSoftKeyboardAlwaysHiddenFlags(final Activity activity) {
     }
 
     public static void setSoftInputModeAdjustResize(final Activity activity) {
-        // TODO: The flag is deprecated for API 30 and WindowInset API should be used
-        // https://developer.android.com/reference/android/view/WindowManager.LayoutParams#SOFT_INPUT_ADJUST_RESIZE
-        // https://medium.com/androiddevelopers/animating-your-keyboard-fb776a8fb66d
-        // https://stackoverflow.com/a/65194077/14686958
-        if (activity != null && activity.getWindow() != null)
+        if (activity == null || activity.getWindow() == null) return;
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            // SOFT_INPUT_ADJUST_RESIZE is deprecated in API 30.
+            // The modern way to handle this is to set decorFitsSystemWindows to false
+            // and then handle WindowInsets manually using View.OnApplyWindowInsetsListener.
+            // https://developer.android.com/reference/android/view/WindowManager.LayoutParams#SOFT_INPUT_ADJUST_RESIZE
+            // https://medium.com/androiddevelopers/animating-your-keyboard-fb776a8fb66d
+            // https://stackoverflow.com/a/65194077/14686958
+            activity.getWindow().setDecorFitsSystemWindows(false);
+        } else {
             activity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
+        }
     }
 
     /**