修复webview崩溃问题

app/build.gradle

@@ -27,7 +27,7 @@ android {
         applicationId "com.jld.vod"
         minSdkVersion 23
         targetSdkVersion 29
-        versionCode 193
+        versionCode 195
         versionName "1.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -154,9 +154,9 @@ dependencies {
     implementation 'cn.jzvd:jiaozivideoplayer:7.4.2'
 
     //WebView
-    implementation 'com.just.agentweb:agentweb:4.1.3' // (必选)
-    implementation 'com.just.agentweb:filechooser:4.1.3'// (可选)
-    implementation 'com.download.library:Downloader:4.1.3'// (可选)
+    implementation 'com.github.Justson.AgentWeb:agentweb-core:v4.1.9-androidx' // (必选)
+    implementation 'com.github.Justson.AgentWeb:agentweb-filechooser:v4.1.9-androidx' // (可选)
+    implementation 'com.github.Justson:Downloader:v4.1.9-androidx' // (可选)
 
     //retrofit
     implementation 'com.google.code.gson:gson:2.8.6'

app/src/main/java/com/jld/vod/view/SplashActivity.kt

@@ -278,6 +278,7 @@ class SplashActivity : BaseActivity(){
 
         //3.获取apk路径，下载更新
         splashViewmodel.previewAPKliveData.observe(this){res ->
+            LogUtils.logD("previewAPKliveData="+res)
             //有更新
             if(res == "0") {
                 flag = true

app/src/main/java/com/jld/vod/view/WebActivity.kt

@@ -1,16 +1,15 @@
 package com.jld.vod.view
 
-import android.graphics.Bitmap
+import android.content.Intent
 import android.os.Build
+import android.os.Bundle
 import android.view.KeyEvent
-import android.webkit.WebView
 import android.widget.LinearLayout
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.FragmentActivity
 import com.jld.vod.R
-import com.jld.vod.base.BaseActivity
 import com.jld.vod.utils.LogUtils
 import com.just.agentweb.AgentWeb
-import com.just.agentweb.WebChromeClient
-import com.just.agentweb.WebViewClient
 import kotlinx.android.synthetic.main.activity_web.*
 import java.lang.reflect.Constructor
 import java.lang.reflect.Field
@@ -23,30 +22,42 @@ import java.lang.reflect.Method
  * @description:
  * @date :2020/7/16 14:46
  */
-class WebActivity : BaseActivity() {
+class WebActivity : AppCompatActivity() {
     private var mAgentWeb: AgentWeb? = null
     private var mLinearLayout : LinearLayout? = null
 
-    override fun getLayoutId(): Int {
-        return R.layout.activity_web
-    }
 
-    override fun initView() {
-        super.initView()
+//    val mWebViewClient: WebViewClient = object : WebViewClient() {
+//        override fun onPageStarted(view: WebView?, url: String?, favicon: Bitmap?) {
+//            LogUtils.logD("url=="+url)
+//        }
+//    }
+//
+//    val mWebChromeClient: WebChromeClient = object : WebChromeClient() {
+//        override fun onProgressChanged(view: WebView?, newProgress: Int) {
+//            //LogUtils.logD("newProgress=="+newProgress)
+//        }
+//    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+         hookWebViews()
+        setContentView(R.layout.activity_web)
+
         val intnet = intent
         val url = intnet.getStringExtra("url")
-        hookWebView()
+
 
         mLinearLayout = findViewById(R.id.ll_webview)
 
         mAgentWeb = AgentWeb.with(this)
-            .setAgentWebParent(mLinearLayout!!, LinearLayout.LayoutParams(-1, -1))
-            .useDefaultIndicator(-1,6)
-            .setWebChromeClient(mWebChromeClient)
-            .setWebViewClient(mWebViewClient)
-            .createAgentWeb()
-            .ready()
-            .go(url)
+                .setAgentWebParent(mLinearLayout!!, LinearLayout.LayoutParams(-1, -1))
+                .useDefaultIndicator(-1,6)
+//            .setWebChromeClient(mWebChromeClient)
+//            .setWebViewClient(mWebViewClient)
+                .createAgentWeb()
+                .ready()
+                .go(url)
 
         //后退
         iv_web_back.setOnClickListener {
@@ -64,11 +75,12 @@ class WebActivity : BaseActivity() {
         //退出
         iv_web_exit.setOnClickListener {
             this.onBackPressed()
+         //   System.exit(0)
         }
 
         //回到主界面
         iv_web_home.setOnClickListener {
-            go<HomeActivity>()
+            startActivity(Intent(this,HomeActivity::class.java))
             finish()
         }
 
@@ -78,19 +90,6 @@ class WebActivity : BaseActivity() {
             webview.reload() //刷新
         }
     }
-
-    val mWebViewClient: WebViewClient = object : WebViewClient() {
-        override fun onPageStarted(view: WebView?, url: String?, favicon: Bitmap?) {
-            LogUtils.logD("url=="+url)
-        }
-    }
-
-    val mWebChromeClient: WebChromeClient = object : WebChromeClient() {
-        override fun onProgressChanged(view: WebView?, newProgress: Int) {
-            //LogUtils.logD("newProgress=="+newProgress)
-        }
-    }
-
     override fun onPause() {
         mAgentWeb!!.webLifeCycle.onPause()
         super.onPause()
@@ -102,8 +101,8 @@ class WebActivity : BaseActivity() {
     }
 
     override fun onDestroy() {
-        super.onDestroy()
         mAgentWeb!!.webLifeCycle.onDestroy()
+        super.onDestroy()
     }
 
     override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
@@ -114,9 +113,11 @@ class WebActivity : BaseActivity() {
     private fun hookWebView() {
         var factoryClass: Class<*>? = null
         try {
+
             factoryClass = Class.forName("android.webkit.WebViewFactory")
             var getProviderClassMethod: Method? = null
             var sProviderInstance: Any? = null
+            LogUtils.logD("Build.VERSION.SDK_INT="+Build.VERSION.SDK_INT)
             if (Build.VERSION.SDK_INT === 23) {
                 getProviderClassMethod = factoryClass.getDeclaredMethod("getProviderClass")
                 getProviderClassMethod.setAccessible(true)
@@ -161,4 +162,39 @@ class WebActivity : BaseActivity() {
             e.printStackTrace()
         }
     }
+    fun hookWebViews() {
+        val sdkInt = Build.VERSION.SDK_INT
+        try {
+            val factoryClass = Class.forName("android.webkit.WebViewFactory")
+            val field = factoryClass.getDeclaredField("sProviderInstance")
+            field.isAccessible = true
+            var sProviderInstance = field[null]
+            if (sProviderInstance != null) {
+                LogUtils.logD("sProviderInstance isn't null")
+                return
+            }
+            val getProviderClassMethod: Method
+            getProviderClassMethod = if (sdkInt > 22) {
+                factoryClass.getDeclaredMethod("getProviderClass")
+            } else if (sdkInt == 22) {
+                factoryClass.getDeclaredMethod("getFactoryClass")
+            } else {
+                LogUtils.logD( "Don't need to Hook WebView")
+                return
+            }
+            getProviderClassMethod.isAccessible = true
+            val providerClass = getProviderClassMethod.invoke(factoryClass) as Class<*>
+            val delegateClass = Class.forName("android.webkit.WebViewDelegate")
+            val providerConstructor = providerClass.getConstructor(delegateClass)
+            if (providerConstructor != null) {
+                providerConstructor.isAccessible = true
+                val declaredConstructor = delegateClass.getDeclaredConstructor()
+                declaredConstructor.isAccessible = true
+                sProviderInstance = providerConstructor.newInstance(declaredConstructor.newInstance())
+                field["sProviderInstance"] = sProviderInstance
+            }
+            LogUtils.logD( "Hook done!")
+        } catch (e: Throwable) {
+        }
+    }
 }

app/src/main/java/com/jld/vod/view/widget/MyJzvdStd.kt

@@ -52,5 +52,6 @@ class MyJzvdStd(context: Context?, attrs: AttributeSet?) : JzvdStd(context, attr
     }
 
     override fun showWifiDialog() {
+        WIFI_TIP_DIALOG_SHOWED = true
     }
 }