1

app/src/main/java/com/polysoft/nafmii/webview/HomeWebviewHandler.java

 package com.polysoft.nafmii.webview;
 
 import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
 
 import com.polysoft.nafmii.bean.MenuBean;
+import com.polysoft.nafmii.fragment.WebViewFragment;
 import com.tencent.smtt.sdk.WebView;
 import com.whaty.nafmii.activity.HomeActivity;
 
+import java.util.List;
+
 public class HomeWebviewHandler extends WebviewHandler {
-    private final JsToJavaInterface js2java;
 
     public HomeWebviewHandler(Fragment fragment, WebView webView) {
         super(fragment, webView);
-        this.js2java = new JsToJavaInterface(this);
-        webView.addJavascriptInterface(this.js2java, "$NativeApi");
+        webView.addJavascriptInterface(new NativeApi(this), "$NativeApi");
     }
 
-
     public void setButtomMenu(MenuBean bean) {
         HomeActivity activity = (HomeActivity) this.fragment.getActivity();
         activity.setModuleStatus(bean);
     }
 
     public void setTextZoom(int zoom) {
-        super.webView.getSettings().setTextZoom(zoom);
+        FragmentManager manager = super.getFragmentManager();
+        List<Fragment> fragments = manager.getFragments();
+        for (Fragment fmt : fragments) {
+            String tag = fmt.getTag();
+            WebView webview = ((WebViewFragment) fmt).getWebview().getWebview();
+            webview.getSettings().setTextZoom(zoom);
+        }
     }
 }

app/src/main/java/com/polysoft/nafmii/webview/IWebview.java

 package com.polysoft.nafmii.webview;
 
+
+import androidx.fragment.app.Fragment;
+
+import com.tencent.smtt.sdk.WebView;
+
 public interface IWebview {
 
     void loadUrl(String url);
@@ -8,6 +13,8 @@ public interface IWebview {
 
     boolean canGoBack();
 
-    JavaToJsinterface getJsInterface();
+    WebView getWebview();
+
+    Fragment getFragment();
 
 }

app/src/main/java/com/polysoft/nafmii/webview/JSApi.java

+package com.polysoft.nafmii.webview;
+
+import android.util.Log;
+
+import com.alibaba.fastjson.JSON;
+import com.tencent.smtt.sdk.WebView;
+
+public class JSApi {
+
+    private static final String TAG = JSApi.class.getName();
+
+
+    public static void callOnBack(WebView webView, String json) {
+        callJs(webView, "onBack", json);
+    }
+
+    public static void callOnRouteChange(WebView webView, String json) {
+        callJs(webView, "onRouteChange", json);
+    }
+
+    public static void callOnPushMessage(WebView webView, String json) {
+        callJs(webView, "onPushMessage", json);
+    }
+
+
+    public static void callJs(WebView webView, String methodName, String json) {
+        String param = JSON.toJSONString(json);
+        String script = String.format("javascript:$api.%s(%s)", methodName, param);
+        webView.evaluateJavascript(script, value -> Log.d(TAG, String.format("JavaToJsinterface: callJs is %s result : %s", methodName, value)));
+    }
+}

app/src/main/java/com/polysoft/nafmii/webview/JsInterfaceHandler.java

@@ -5,16 +5,17 @@ import android.text.TextUtils;
 
 import com.alibaba.fastjson.JSONObject;
 import com.polysoft.nafmii.bean.Result;
+import com.tencent.smtt.sdk.WebView;
 
 public class JsInterfaceHandler {
 
     private final Activity mActivity;
-    private final JavaToJsinterface javaTojs;
+    private final WebView mWebview;
     private String jsMethodName;
 
     public JsInterfaceHandler(WebviewHandler handler) {
         this.mActivity = handler.getFragment().getActivity();
-        this.javaTojs = handler.getJsInterface();
+        this.mWebview = handler.getWebview();
     }
 
     public void parse(String params, JsHandle jsHandle) {
@@ -34,10 +35,10 @@ public class JsInterfaceHandler {
             return;
         }
         if ("'main'".equals(Thread.currentThread().getName())) {
-            javaTojs.callJs(jsMethodName, json);
+            JSApi.callJs(this.mWebview, jsMethodName, json);
             return;
         }
-        this.mActivity.runOnUiThread(() -> javaTojs.callJs(jsMethodName, json));
+        this.mActivity.runOnUiThread(() -> JSApi.callJs(this.mWebview, jsMethodName, json));
     }
 
 

app/src/main/java/com/polysoft/nafmii/webview/JsToJavaInterface.java → app/src/main/java/com/polysoft/nafmii/webview/NativeApi.java

@@ -29,11 +29,11 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-public class JsToJavaInterface {
+public class NativeApi {
     private final HomeWebviewHandler handler;
     private final Activity mActivity;
 
-    public JsToJavaInterface(HomeWebviewHandler handler) {
+    public NativeApi(HomeWebviewHandler handler) {
         this.handler = handler;
         this.mActivity = handler.getFragment().getActivity();
     }

app/src/main/java/com/polysoft/nafmii/webview/WebviewHandler.java

@@ -3,31 +3,27 @@ package com.polysoft.nafmii.webview;
 import android.text.TextUtils;
 
 import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
 
-import com.polysoft.nafmii.bean.MenuBean;
-import com.polysoft.nafmii.enums.JSMethodsEnum;
 import com.tencent.smtt.sdk.WebView;
-import com.whaty.nafmii.activity.HomeActivity;
 
 public class WebviewHandler implements IWebview {
 
     private static final String TAG = WebviewHandler.class.getName();
     protected final Fragment fragment;
     protected final WebView webView;
-    protected final JavaToJsinterface java2js;
 
     protected boolean backIntercept = false;
 
     public WebviewHandler(Fragment fragment, WebView webView) {
         this.fragment = fragment;
         this.webView = webView;
-        this.java2js = new JavaToJsinterface(webView);
     }
 
     @Override
     public boolean canGoBack() {
         if (this.backIntercept) {
-            this.java2js.callJs(JSMethodsEnum.CALL_BACK, "");
+            JSApi.callOnBack(this.webView, "");
             return true;
         }
         if (this.webView.canGoBack()) {
@@ -38,6 +34,16 @@ public class WebviewHandler implements IWebview {
     }
 
     @Override
+    public WebView getWebview() {
+        return this.webView;
+    }
+
+    @Override
+    public Fragment getFragment() {
+        return this.fragment;
+    }
+
+    @Override
     public void loadUrl(String url) {
         if (TextUtils.isEmpty(url) || url.equals(this.getUrl())) {
             return;
@@ -50,20 +56,13 @@ public class WebviewHandler implements IWebview {
         return this.webView.getUrl();
     }
 
-    @Override
-    public JavaToJsinterface getJsInterface() {
-        return this.java2js;
-    }
-
     public void setBackIntercept(boolean intercept) {
         this.backIntercept = intercept;
     }
 
-    public WebView getWebView() {
-        return this.webView;
+    protected FragmentManager getFragmentManager() {
+        return this.fragment.getActivity().getSupportFragmentManager();
     }
 
-    public Fragment getFragment() {
-        return this.fragment;
-    }
 }
+