enaklo-flutter/android/app/src/main/kotlin/com/apskel/enaklocustomer/MainActivity.kt

package com.apskel.enaklocustomer

import android.os.Build
import io.flutter.embedding.android.FlutterActivity
import io.flutter.embedding.engine.FlutterEngine
import io.flutter.plugin.common.MethodChannel
import io.flutter.plugins.webviewflutter.WebViewFlutterAndroidExternalApi

class MainActivity : FlutterActivity() {
    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
        super.configureFlutterEngine(flutterEngine)

        // Pengaturan WebView yang tidak disediakan plugin webview_flutter.
        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, WEBVIEW_CHANNEL)
            .setMethodCallHandler { call, result ->
                when (call.method) {
                    "enableOffscreenPreRaster" -> {
                        val id = call.argument<Number>("webViewId")?.toLong()
                        @Suppress("DEPRECATION")
                        val webView = id?.let {
                            WebViewFlutterAndroidExternalApi.getWebView(flutterEngine, it)
                        }
                        if (webView != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                            webView.settings.offscreenPreRaster = true
                        }
                        result.success(webView != null)
                    }
                    else -> result.notImplemented()
                }
            }
    }

    private companion object {
        const val WEBVIEW_CHANNEL = "com.apskel.enaklocustomer/webview"
    }
}