[fix]增加过审获取剪切板隐私相关问题

android/app/src/main/java/com/atmob/elec_asst/activity/MainActivity.java

@@ -5,11 +5,17 @@ import android.content.Context;
 import android.content.Intent;
 import android.view.KeyEvent;
 
+import androidx.annotation.NonNull;
+
+import com.atmob.elec_asst.utils.HookFlutterClipBordUtil;
+
 import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.embedding.engine.FlutterEngine;
 
 public class MainActivity extends FlutterActivity {
 
 
+
     public static void start(Context context) {
         Intent intent = new Intent(context, MainActivity.class);
         if (!(context instanceof Activity)) {
@@ -18,6 +24,11 @@ public class MainActivity extends FlutterActivity {
         context.startActivity(intent);
     }
 
+    @Override
+    public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
+        super.configureFlutterEngine(flutterEngine);
+        HookFlutterClipBordUtil.hookClipBoard(flutterEngine);
+    }
 
     public void exit() {
         try {

android/app/src/main/java/com/atmob/elec_asst/utils/HookFlutterClipBordUtil.java

@@ -0,0 +1,76 @@
+package com.atmob.elec_asst.utils;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+
+import io.flutter.embedding.engine.FlutterEngine;
+import io.flutter.embedding.engine.systemchannels.PlatformChannel;
+
+/**
+ * File description.
+ * hook flutter输入框 自动调用getClipboardData 引起的合规问题
+ *
+ * @author lihongjun
+ * @date 10/13/21
+ */
+public class HookFlutterClipBordUtil {
+
+    /**
+     * 代理剪切板功能
+     * @param flutterEngine
+     */
+    public static void hookClipBoard(FlutterEngine flutterEngine) {
+
+        Class IPlatformMessageHandler;
+        Field platformMessageHandlerField;
+        try {
+            IPlatformMessageHandler = Class.forName(PlatformChannel.PlatformMessageHandler.class.getName());
+            platformMessageHandlerField = PlatformChannel.class.getDeclaredField("platformMessageHandler");
+            if (platformMessageHandlerField == null) {
+                return;
+            }
+            platformMessageHandlerField.setAccessible(true);
+
+            // 拿到真实正常的实例，给不需要被hook的方法使用
+            PlatformChannel channel = flutterEngine.getPlatformChannel();
+            Object real = platformMessageHandlerField.get(channel);
+            // 代理PlatformMessageHandler的方法
+            platformMessageHandlerField.set(channel, Proxy.newProxyInstance(
+                    IPlatformMessageHandler.getClassLoader(), new Class[]{
+                            IPlatformMessageHandler
+                    }, new IClipboardInvocationHandler(real))
+            );
+
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        } catch (NoSuchFieldException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+
+    public static class IClipboardInvocationHandler implements InvocationHandler {
+
+        // 真是的调用方，如果不是获取剪切板 正常调用功能
+        private Object real;
+
+        public IClipboardInvocationHandler(Object real) {
+            this.real = real;
+        }
+
+        @Override
+        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+            // flutter输入框会调用获取剪切板 合规问题屏蔽掉
+            if ("getClipboardData".equals(method.getName())) {
+                return "";
+            }
+            return method.invoke(real, args);
+        }
+    }
+
+}