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/build.gradle

@@ -47,6 +47,7 @@ dependencies {
     implementation "androidx.appcompat:appcompat:$androidxAppCompatVersion"
     implementation "androidx.coordinatorlayout:coordinatorlayout:$androidxCoordinatorLayoutVersion"
     implementation "androidx.core:core-splashscreen:$coreSplashScreenVersion"
+    implementation "androidx.activity:activity-ktx:$androidxActivityVersion"
     implementation project(':capacitor-android')
     implementation project(':capacitor-cordova-android-plugins')
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"

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)
+        );
     }
 }

android/variables.gradle

@@ -1,8 +1,9 @@
 ext {
     minSdkVersion = 22
-    compileSdkVersion = 33
+    // Edge-to-Edge 相关依赖（androidx.activity 等）要求至少 compileSdk 34
+    compileSdkVersion = 34
     targetSdkVersion = 33
-    androidxActivityVersion = '1.7.0'
+    androidxActivityVersion = '1.9.0'
     androidxAppCompatVersion = '1.6.1'
     androidxCoordinatorLayoutVersion = '1.2.0'
     androidxCoreVersion = '1.10.0'