js 交互接口定义

app/src/main/java/com/gamedog/vididin/features/game/GameCenterActivity.kt

@@ -2,14 +2,22 @@ package com.gamedog.vididin.features.game
 
 import android.annotation.SuppressLint
 import android.app.Activity
+import android.content.Context
 import android.content.Intent
+import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.os.Build
 import android.view.LayoutInflater
+import android.webkit.JavascriptInterface
 import android.webkit.WebResourceRequest
 import android.webkit.WebView
 import android.webkit.WebViewClient
 import androidx.activity.addCallback
 import androidx.activity.viewModels
 import androidx.lifecycle.lifecycleScope
+import com.ama.core.architecture.BaseApp
 import com.ama.core.architecture.appBase.AppViewsActivity
 import com.ama.core.architecture.util.AndroidUtil
 import com.gamedog.vididin.VidiConst
@@ -44,12 +52,13 @@ class GameCenterActivity : AppViewsActivity<ViewBinding, UiState, ViewModel>(),
                 if (webView.canGoBack()) {
                     webView.goBack()
                 } else {
-                    super.onBackPressed()
+                    finish()
                 }
             }
 
             with(webView) {
                 settings.javaScriptEnabled = true
+                webView.addJavascriptInterface(WebAppInterface(this@GameCenterActivity), "com.viddin.videos.free")
 
                 webViewClient = object : WebViewClient() {
                     override fun shouldOverrideUrlLoading(
@@ -58,18 +67,20 @@ class GameCenterActivity : AppViewsActivity<ViewBinding, UiState, ViewModel>(),
                     ): Boolean {
                         request.url?.let { url ->
                             view?.loadUrl(url.toString())
-                        }
                             return true
                         }
+                        return false
+                    }
 
 
                     @Deprecated("For API level < 24")
                     override fun shouldOverrideUrlLoading(view: WebView?, url: String?): Boolean {
                         if (!url.isNullOrBlank()) {
                             view?.loadUrl(url)
-                        }
                             return true
                         }
+                        return false
+                    }
                 }
 
             }
@@ -129,3 +140,81 @@ class GameCenterActivity : AppViewsActivity<ViewBinding, UiState, ViewModel>(),
     }
 
 }
+
+
+class WebAppInterface(private val context: Activity) {
+    @JavascriptInterface
+    fun openBrowser(url: String) {
+        try {
+            var intent: Intent? = null
+            if (url.startsWith("intent")) {
+                intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME)
+            } else {
+                intent = Intent("android.intent.action.VIEW", Uri.parse(url))
+            }
+            if (intent != null) {
+                if (isHw()) {
+                    intent.setPackage(getDefaultBrowser())
+                }
+                intent.addCategory(Intent.CATEGORY_BROWSABLE)
+                intent.setComponent(null)
+                intent.setFlags(FLAG_ACTIVITY_NEW_TASK)
+            }
+            context.startActivity(intent)
+        } catch (e: Exception) {
+        }
+    }
+
+    //点击互动广告关闭按钮时调用该方法。
+    @JavascriptInterface
+    fun close() {
+        //TODO  close the ad page or activity.
+    }
+
+    //接入Gspace-Fully广告时需实现此方法。该方法用于打开新的Webview页面。
+    @JavascriptInterface
+    fun openWebview(url: String?) {
+        //TODO  open a new page to display landingpage.
+        //TODO 使用展示GSpace的Activity新实例打开当前url.
+    }
+
+    fun isHw(): Boolean {
+        return "huawei".equals(Build.MANUFACTURER, ignoreCase = true)
+    }
+
+    fun getDefaultBrowser(): String? {
+        var packageName: String? = null
+        var systemApp: String? = null
+        var userApp: String? = null
+        val userAppList: MutableList<String?> = ArrayList<String?>()
+        val context: Context = BaseApp.appContext()
+        val browserIntent = Intent("android.intent.action.VIEW", Uri.parse("https://"))
+        val resolveInfo = context.getPackageManager()
+            .resolveActivity(browserIntent, PackageManager.MATCH_DEFAULT_ONLY)
+        if (resolveInfo != null && resolveInfo.activityInfo != null) {
+            packageName = resolveInfo.activityInfo.packageName
+        }
+        if (packageName == null || packageName == "android") {
+            val lists = context.getPackageManager().queryIntentActivities(browserIntent, 0)
+            for (app in lists) {
+                if ((app.activityInfo.flags and ApplicationInfo.FLAG_SYSTEM) != 0) {
+                    systemApp = app.activityInfo.packageName
+                } else {
+                    userApp = app.activityInfo.packageName
+                    userAppList.add(userApp)
+                }
+            }
+            if (userAppList.contains("com.android.chrome")) {
+                packageName = "com.android.chrome"
+            } else {
+                if (systemApp != null) {
+                    packageName = systemApp
+                }
+                if (userApp != null) {
+                    packageName = userApp
+                }
+            }
+        }
+        return packageName
+    }
+}