hcp-pad/webview/src/main/java/com/yingyangfly/webview/BridgeWebActivity.kt

package com.yingyangfly.webview

import android.annotation.SuppressLint
import android.content.pm.ActivityInfo
import android.os.Build
import android.os.Bundle
import android.webkit.WebResourceRequest
import android.webkit.WebSettings
import android.webkit.WebView
import android.webkit.WebViewClient
import com.alibaba.android.arouter.facade.annotation.Route
import com.github.lzyzsd.jsbridge.BridgeHandler
import com.github.lzyzsd.jsbridge.CallBackFunction
import com.yingyangfly.baselib.base.BaseActivity
import com.yingyangfly.baselib.router.RouterUrlCommon
import com.yingyangfly.webview.databinding.ActivityBridgeWebBinding

/**
 * BridgeWebview
 */
@Route(path = RouterUrlCommon.WEB_VIEW_INTERACTION_JS)
class BridgeWebActivity : BaseActivity<ActivityBridgeWebBinding>() {

    private lateinit var webSettings: WebSettings
    private var url: String = ""

    override fun onCreate(savedInstanceState: Bundle?) {
        url = intent.getStringExtra("url") ?: ""
        super.onCreate(savedInstanceState)
    }

    override fun initViews() {
        initWebView()
    }

    override fun initListener() {

    }

    override fun initData() {

    }

    @SuppressLint("JavascriptInterface", "SetJavaScriptEnabled")
    private fun initWebView() {
        webSettings = binding.webView.settings
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            webSettings.mixedContentMode = WebSettings.MIXED_CONTENT_ALWAYS_ALLOW
        }
        val ua = webSettings.userAgentString
        //必须设置
        webSettings.userAgentString = "$ua; app/lottchina  Android"
        webSettings.javaScriptCanOpenWindowsAutomatically = true
        webSettings.javaScriptEnabled = true
        webSettings.setAppCacheEnabled(true)
        webSettings.allowUniversalAccessFromFileURLs = true
        webSettings.cacheMode = WebSettings.LOAD_DEFAULT
        /**必须的设置， 访问网页版的H5，一定要设置。该方法是设置支持DomStorage，
         * DOM Storage 分为 sessionStorage 和 localStorage。
         * localStorage 对象和 sessionStorage 对象使用方法基本相同，它们的区别在于作用的范围不同。
         * sessionStorage 用来存储与页面相关的数据，它在页面关闭后无法使用。而 localStorage 则持久存在，在页面关闭后也可以使用。
         */
        webSettings.domStorageEnabled = true
        // 通过addJavascriptInterface()将Java对象映射到JS对象 下面一行代码是 JS调用原生方法
        binding.webView.addJavascriptInterface(AndroidToJs(this), "callJavaFunc")
//        binding.webView.callHandler("javascript:callJavaFunc()"
//        ) { value -> Log.e("wpp", "----------------------------" + value) }

        binding.webView.registerHandler("", object : BridgeHandler {
            override fun handler(data: String?, function: CallBackFunction?) {

            }
        })

//        binding.webView.addJavascriptInterface(AndroidToJs(this), "callbackImgHandle")
//        binding.webView.addJavascriptInterface(AndroidToJs(this), "callbackBackHandle")

        binding.webView.isDrawingCacheEnabled = true
        binding.webView.buildDrawingCache()
        binding.webView.buildLayer()

        binding.webView.webViewClient = object : WebViewClient() {
            override fun shouldOverrideUrlLoading(
                view: WebView?,
                request: WebResourceRequest?
            ): Boolean {
                url.let {
                    view?.loadUrl(it)
                }
                return true
            }

            override fun onPageFinished(view: WebView?, url: String?) {
                super.onPageFinished(view, url)
            }
        }
        binding.webView.loadUrl(url)
    }

    override fun onDestroy() {
        destoryWebView()
        super.onDestroy()
    }

    /**
     * 结束webview清空缓存
     */
    private fun destoryWebView() {
        binding.webView.stopLoading() // 停止加载
        binding.webView.removeAllViews() // 移除webview上子view
        binding.webView.clearCache(true) // 清除缓存
        binding.webView.clearHistory() // 清楚历史
        binding.webView.destroy() // 销毁WebView自身。
    }

    override fun onResume() {
        /**
         * 设置为横屏
         */
        if (requestedOrientation != ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
            requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
        }
        super.onResume()
    }
}