Adds edge to edge rendering.

Android/app/src/main/AndroidManifest.xml

@@ -16,6 +16,7 @@
             android:name=".MainActivity"
             android:label="@string/app_name"
             android:launchMode="singleTask"
+            android:windowSoftInputMode="adjustResize"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

Android/app/src/main/java/com/majinnaibu/monstercards/MainActivity.java

@@ -6,10 +6,15 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.provider.OpenableColumns;
 import android.view.MenuItem;
+import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowCompat;
+import androidx.core.view.WindowInsetsCompat;
 import androidx.navigation.NavController;
 import androidx.navigation.NavDirections;
 import androidx.navigation.fragment.NavHostFragment;
@@ -53,9 +58,20 @@ public class MainActivity extends AppCompatActivity {
     @SuppressWarnings("ConstantConditions")
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        WindowCompat.setDecorFitsSystemWindows(getWindow(), false);
         super.onCreate(savedInstanceState);
         AppCenterInitializer.init(getApplication());
         setContentView(R.layout.activity_main);
+
+        View container = findViewById(R.id.container);
+        if (container != null) {
+            ViewCompat.setOnApplyWindowInsetsListener(container, (v, windowInsets) -> {
+                Insets insets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars());
+                v.setPadding(insets.left, insets.top, insets.right, 0);
+                return windowInsets;
+            });
+        }
+
         BottomNavigationView navView = findViewById(R.id.nav_view);
         // Passing each menu ID as a set of Ids because each
         // menu should be considered as top level destinations.