feat: 更新 Edge-to-Edge 支持，提升用户界面体验，升级相关依赖版本

android/app/src/main/java/com/echo/app/MainActivity.java

@@ -1,9 +1,9 @@
 package com.echo.app;
 
 import android.os.Bundle;
-import android.view.View;
-import androidx.core.view.WindowCompat;
-import androidx.core.view.WindowInsetsControllerCompat;
+import android.graphics.Color;
+import androidx.activity.EdgeToEdge;
+import androidx.activity.SystemBarStyle;
 import com.getcapacitor.BridgeActivity;
 import com.echo.app.notification.NotificationBridgePlugin;
 
@@ -16,13 +16,11 @@ public class MainActivity extends BridgeActivity {
         registerPlugin(NotificationBridgePlugin.class);
         super.onCreate(savedInstanceState);
 
-        // 让内容绘制到状态栏/导航栏后面，实现沉浸式效果
-        WindowCompat.setDecorFitsSystemWindows(getWindow(), false);
-
-        // 使用浅色背景 + 深色状态栏图标，避免黑色条块感
-        View decorView = getWindow().getDecorView();
-        WindowInsetsControllerCompat insetsController =
-                new WindowInsetsControllerCompat(getWindow(), decorView);
-        insetsController.setAppearanceLightStatusBars(true);
+        // 官方 Edge-to-Edge 实现：让内容延伸到状态栏和导航栏，小白条悬浮在内容之上
+        EdgeToEdge.enable(
+                this,
+                SystemBarStyle.auto(Color.TRANSPARENT, Color.TRANSPARENT),
+                SystemBarStyle.auto(Color.TRANSPARENT, Color.TRANSPARENT)
+        );
     }
 }